Komatsuother(no series)

Komatsu WF550T-3A(S/N 50001-UP)

Maintenance schedule, common problems & OEM parts breakdown

The Komatsu WF550T-3A is a heavy-duty compactor within the Komatsu WF550 series, designed for earthmoving and compaction applications. The machine operates in the heavy mining and construction weight class, with an operating weight of approximately 77,382 lb (35,100 kg). Production years for the WF550T-3 series span the mid-2000s to the early 2010s. The WF550T-3A serves as a variant within the WF550T-3 lineage, which succeeded earlier WF550 models and was eventually replaced by newer generations of compaction equipment. Configurations offered include standard and wide drum options, with variations in weight and dimensions depending on the specific setup.

Across the WF550 series generations, changes included updates to engine emissions compliance, hydraulic system efficiency, and operator cab ergonomics. The WF550T-3A is relevant in the used and parts market today because it represents a robust, high-capacity compactor with a proven Komatsu powertrain and undercarriage design. Its availability in the secondary market provides fleet managers with a cost-effective option for large-scale earthmoving projects, while the established parts network ensures long-term serviceability for critical components like the engine, hydraulic pumps, and undercarriage.

Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.

Komatsu WF550T-3A(S/N 50001-UP) specifications

Engine

ModelSA6D140E
Cylinders6
Displacement927.6 cu in (15.2 L)
Gross Power315.2 hp (235 kW) @ 2100 rpm
Max Torque1014.2 lb ft (1375 N·m)

Weights

Operating Weight77382.3 lb (35100 kg)

Dimensions

Transport Length (With Blade On Ground)26.73 ft (8.15 m)
Transport Width10.47 ft (3.19 m)
Transport Height (To Top Of Cab)13.82 ft (4.21 m)
Wheelbase11.82 ft (3.60 m)
Ground Clearance1.65 ft (0.50 m)
Front Wheels Drum Diameter60.9 in (1.55 m)
Front Wheels Drum Width47.3 in (1.20 m)
Rear Wheels Drum Width47.3 in (1.20 m)
Blade Width15 ft (4.57 m)
Blade Height79 in (2.01 m)

Performance

Max Travel Speed12.5 mph (20.1 km/h)
Transmission TypeFull powershift
Forward Gears4
Reverse Gears4

Service capacities (summary)

Fuel Tank340 L (89.9 gal)
Hydraulic System Fluid Capacity42.3 gal (160 L)
Engine Oil Capacity10.1 gal (38 L)
Cooling System Fluid Capacity18 gal (68 L)
Transmission Fluid Capacity15.9 gal (60 L)

Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.

Komatsu WF550T-3A(S/N 50001-UP) maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil level and condition.
  • Check hydraulic fluid level at sight glass.
  • Check coolant level and ensure cap is secure.
  • Check fuel level and drain water from separator.
  • Check DEF level on Tier 4 machines.
  • Check air filter restriction indicator.
  • Inspect track tension and shoe/pad condition.
  • Inspect tire condition and inflation.
  • Inspect hydraulic hoses for cracks or leaks.
  • Inspect pins, bushings, and attachment points.
  • Clear debris from radiator and oil cooler fins.
  • Check for fluid leaks under the machine.
  • Verify ROPS/FOPS integrity and seat belt function.
  • Test horn, backup alarm, and lights.
  • Ensure emergency shutoff is accessible.
  • Start engine and verify gauges and KOMTRAX display are normal.
  • Test all controls for smooth response.
  • Check service and parking brakes.
Every 250 h
  • Change engine oil and filter.
  • Grease all points (boom, stick, bucket, swing bearing, or linkage/steering/axle).
  • Check fluid levels.
  • Check air filter.
  • Inspect belts and hoses.
  • Perform visual walk-around.
Every 500 h
  • Replace fuel filter.
  • Replace hydraulic return filter.
  • Service battery.
  • Test coolant SCA.
  • Take KOWA oil sample.
  • Perform detailed undercarriage inspection.
Every 1,000 h
  • Take hydraulic oil sample.
  • Check final drive oil.
  • Inspect turbocharger.
  • Take wear measurements.
  • Check valve adjustment.
  • Perform structural inspection.
Every 2,000 h
  • Change hydraulic oil.
  • Flush and replace coolant.
  • Service transmission.
  • Perform comprehensive component evaluation.
  • Check KDPF (at 4,500 hours).

Servicing the WF550T-3A(S/N 50001-UP) beyond the schedule

Predictive Maintenance & Fluid Analysis

Utilize KOWA fluid analysis at every major service interval to monitor engine oil wear metals, hydraulic fluid particle count, and coolant SCA concentration. Track KOMTRAX telematics data for fuel consumption, load frequency, and fault codes to anticipate service needs. Inspect hydraulic hoses and fittings for leaks or cracks during daily checks. Monitor air filter restriction indicators and replace elements as needed to maintain engine performance. Use Komatsu Genuine Lubricants to ensure optimal additive packages and component protection.

Corrective & Common Repairs

Address common issues by inspecting and replacing worn undercarriage components such as track rollers, idlers, and sprockets. Check final drive oil levels and change them at specified intervals to prevent gear wear. Inspect hydraulic return filters and replace them to maintain system cleanliness. Examine brake pads and measure wear during scheduled services. Replace worn belts and hoses to prevent sudden failures. Ensure battery terminals are clean and perform load tests to avoid starting issues.

Overhaul & Rebuild Points

Plan for major overhauls at 4,000 to 5,000 hours for critical components. Inspect the swing circle and undercarriage for excessive wear and replace key parts as necessary. Check final drives and transmission for wear and replace seals or gears if performance declines. Evaluate the engine for compression and oil consumption, and rebuild if necessary. Inspect hydraulic pumps and valves for wear and overhaul or replace them to restore system pressure and flow. Perform comprehensive structural inspections to identify fatigue or cracks in the frame and boom.

Seasonal & Environment Servicing

In cold weather, ensure coolant concentration is adequate to prevent freezing and use appropriate grade engine oil. Check DEF levels frequently in cold conditions to ensure proper SCR system function. In dusty environments, inspect air filters more often and clean or replace elements as needed. Clear debris from radiator and oil cooler fins to prevent overheating. In wet conditions, check track tension and tire inflation regularly to maintain traction and stability. Inspect electrical connections for corrosion and protect them with dielectric grease.

WF550T-3A(S/N 50001-UP) common service parts

Part numberPart
07281-00197Clamp,(With Pre-Fuel Filter)Check fitment →
600-311-7132Cartridge,Fuel FilterCheck fitment →
09637-90263Plate? Instruction,Air Cleaner Element MainteCheck fitment →
09637-30163Plate? Instruction,Air Cleaner (Single Element)Check fitment →
07063-01383Element, Hydraulic Tank Oil FilterCheck fitment →

Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.

WF550T-3A(S/N 50001-UP) fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
CA115Engine crankshaft speed sensor and backup speed sensor failureFaulty speed sensor, broken wiring harness, or corroded connector at the pin connectorReplace the speed sensor and verify voltage at the pin connector
CA111Internal engine controller faultMalfunction within the Electronic Control Module (ECM)Replace or reprogram the ECM
CA451Common rail pressure sensor feedback value too highMalfunction in the rail pressure sensor or actual overpressure conditionDiagnose the fuel rail pressure sensor or check pump lines
CA441Battery voltage too lowWeak battery, failing alternator, or poor connectionsReplace the alternator or battery; check the voltage regulator
CA442Battery voltage too highFaulty voltage regulator or alternator overchargingReplace the alternator or battery; check the voltage regulator
CA122Intake air pressure sensor feedback voltage too highFaulty intake pressure sensor or wiring issueVerify the intake pressure sensor and wiring
CA123Intake air pressure sensor feedback voltage too lowSensor short circuit or airflow restrictionCheck for a sensor short or an airflow restriction
CA234Engine overspeedThrottle calibration error, engine load cycle issue, or operator misuseVerify throttle calibration, engine load cycle, or operator misuse
AA10NXAir cleaner cloggingDirty or blocked air filter elementReplace the air filter
B@BCNSEngine coolant overheatingLow coolant level, blocked radiator fins, or fan belt failureCheck radiator fins, fan belt, and coolant level

Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.

WF550T-3A(S/N 50001-UP) attachments & work tools

Compactor Drums & Blades

The WF550T-3A utilizes a front-mounted dozer-type blade configuration with dimensions of 4550 x 2005 mm. The machine is equipped with sealed wheels and a front sheepfoot crusher for landfill compaction duties.

Hydraulic Systems

The machine employs a hydraulic pump assembly identified by OEM number 705-52-30490. A gear pump with OEM number 705-12-38011 is also specified for the hydraulic circuit.

Engine & Powertrain

The WF550T-3A is powered by a Komatsu S6D140E engine rated at 235 kW (320 PS). The powertrain includes protected axles and a bodyguard structure for durability.

Cab & Operator Environment

The operator station features a comfortable ROPS (Roll-Over Protective Structure) cab designed for extended operation in waste management environments.

All WF550T-3A(S/N 50001-UP) assemblies by section

Every catalogued assembly group for the Komatsu WF550T-3A(S/N 50001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Accessory And Tool
Komatsu : Wf550t-3a(S/N 50001-Up) : Accessory And Tool : Fire Extinguisher (Chinese)
01***20Bolt,(Without Air Con. Or Heater)4
01***09Nut,(For Japan)4
01***23Washer,(With Auto Emergency Steering)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Accessory And Tool : Spare Parts (English)
04***63V-Belt Set,(High Speed Pulley) (E/J)1
07***14O-Ring,(F4350-61a0a-20 )2
07***25O-Ring,Cylinder Head2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Accessory And Tool : Tool (Chinese) (With Overall And Cap)
04***28Bolt,Lifting4
07***50Pump, (Bellows Type)1
07***03Cartridge - Grease1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Accessory And Tool : Tool (English) (With Overall And Cap)
04***28Bolt,Lifting4
07***50Pump, (Bellows Type)1
07***03Cartridge - Grease1
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Cooling System
Komatsu : Wf550t-3a(S/N 50001-Up) : Cooling System : Cooling (Steering Oil Cooler Line)
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)5
07***28Hose2
42***60Clip, Torque Converter And Transmission Lines10
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Komatsu : Wf550t-3a(S/N 50001-Up) : Cooling System : Radiator (Fan Duct)(#50001-50002)
01***30Bolt,(Not Used When Towing Winch)4
01***16Bolt - Starting Motor Ground Cable17
01***25Bolt, Mount Engine Oil Drain To Fuel Tank8
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Komatsu : Wf550t-3a(S/N 50001-Up) : Cooling System : Radiator (Fan Duct)(#50003-)
01***25Bolt, Mount Engine Oil Drain To Fuel Tank4
41***12Duct1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Cooling System : Radiator (Fan Guard)
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)21
01***32Washer,(With Auto Emergency Steering)3
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Komatsu : Wf550t-3a(S/N 50001-Up) : Cooling System : Radiator (Fan Motor And Related Parts)
01***35Bolt, Mount Ground Driven Steering Pump26
01***40Bolt,For Weight Adjusting Bolt2
01***15Nut1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Cooling System : Radiator (Radiator And Mounting)
01***70Capscrew (4) (Qty.26 (5))4
01***25Bolt,(For Canvas Canopy?Head Guard)10
01***30Bolt,(With Body Positioner)80
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Komatsu : Wf550t-3a(S/N 50001-Up) : Cooling System : Radiator (Radiator Piping)
01***16Bolt - Starting Motor Ground Cable2
01***25Bolt, Mount Engine Oil Drain To Fuel Tank2
07***63Hose1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Cooling System : Radiator (Steering Oil Cooler Line)
01***60Bolt - Upper Cooler Inlet Tubemounting4
07***35O-Ring, Upper Cooler Inlet And Outlet Ports2
07***35O-Ring2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Cooling System : Radiator (Torque Converter Oil Cooler Piping)
01***60Bolt - Upper Cooler Inlet Tubemounting4
07***35O-Ring, Upper Cooler Inlet And Outlet Ports1
07***35O-Ring2
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Electrical Sytem
Komatsu : Wf550t-3a(S/N 50001-Up) : Electrical Sytem : Battery
08***20Battery (165g51),(Without Cab) (For Japan)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Electrical Sytem : Battery (Large Capacity)
08***00Terminal? (+),(10l) (Not Shown)2
08***01Terminal? (-),(20l) (Not Shown)2
69***60Battery (195g51),(Large Capacity Type)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Electrical Sytem : Battery Box (Box And Battery Mounting)
01***35Bolt,(With Rops)4
01***75Capscrew2
01***08Screw, Terminal6
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Komatsu : Wf550t-3a(S/N 50001-Up) : Electrical Sytem : Beacon Lamp
01***16Bolt, Mount Solenoid Valve4
08***03Groove1
08***00Lamp Assembly, Beacon1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Electrical Sytem : Electrical Instrument (Starter Switch And Wiper Switch)
01***08Screw - Holder6
01***20Screw4
01***13Washer,Spring(For Wiper Switch Earth)6
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Komatsu : Wf550t-3a(S/N 50001-Up) : Electrical Sytem : Electrical Instrument (Starter Switch And Wiper Switch) (Sandy And Dusty Terrain)(#50010-)
01***08Screw - Holder6
01***20Screw4
01***13Washer,Spring(For Wiper Switch Earth)6
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Komatsu : Wf550t-3a(S/N 50001-Up) : Electrical Sytem : Horn
01***20Bolt,(Forwarded Individually Parts)4
01***25Bolt - Relay Mounting4
42***10Horn Assembly1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Electrical Sytem : Wiring Harness (Additional Rear Harness)
04***10Clip,(With Accumulator)3
08***34Tie, Cable2
41***20Wiring Harness1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Electrical Sytem : Wiring Harness (Back-Up Alarm)
01***16Washer,(For 35a Alternator)2
42***90Buzzer, Back-Up1
42***91Harness, Back-Up Alarm1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Electrical Sytem : Wiring Harness (Battery Line)
01***16Bolt - Starting Motor Ground Cable1
01***20Bolt - Mount Risers To Cab Floor1
01***45Washer,(For Quick Shift) (Mitsubishi)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Electrical Sytem : Wiring Harness (Engine Line)
01***16Bolt - Starting Motor Ground Cable11
01***30Bolt - Lower Oil Cooler Outlet Tubemounting2
01***60Bolt - Upper Cooler Inlet Tubemounting1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Electrical Sytem : Wiring Harness (Front Frame Line)
01***16Bolt - Starting Motor Ground Cable3
04***10Clip,(With Accumulator)1
04***10Clip,(With Accumulator)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Electrical Sytem : Wiring Harness (Rear Frame Line)
01***16Bolt - Starting Motor Ground Cable18
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
04***10Clip,See Fig. K4010-05a05
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Komatsu : Wf550t-3a(S/N 50001-Up) : Electrical Sytem : Wiring Harness (Slow Blow Fuse And Mounting)
01***16Bolt, Mount Solenoid Valve2
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
01***23Washer, Wiring Harness Mounting Bracket2
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Engine Related Parts
Komatsu : Wf550t-3a(S/N 50001-Up) : Engine Related Parts : Damper
01***80Bolt, Mount Strainer Flange12
01***40Bolt,(Dust And Dirt Protection)12
01***25Bolt,(For Canvas Canopy?Head Guard)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Engine Related Parts : Engine (Drain Hose)(#50001-50003)
01***16Bolt - Starting Motor Ground Cable1
01***25Bolt, Mount Engine Oil Drain To Fuel Tank2
07***80Hose, Tank To Front Brake Chamber1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Engine Related Parts : Engine (Drain Hose)(#50004-)
01***25Bolt, Mount Engine Oil Drain To Fuel Tank2
07***80Hose, Tank To Front Brake Chamber1
07***13Hose1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Engine Related Parts : Engine (Engine Control Bracket)
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
01***05Nut,(For Air Conditioner Less), Nut6
42***40Cushion, Bracket Mount3
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Komatsu : Wf550t-3a(S/N 50001-Up) : Engine Related Parts : Engine (Engine Control Bracket)(#50004-)
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
01***05Nut,(For Air Conditioner Less), Nut6
42***40Cushion, Bracket Mount3
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Komatsu : Wf550t-3a(S/N 50001-Up) : Engine Related Parts : Engine (Engine Fan)
Komatsu : Wf550t-3a(S/N 50001-Up) : Engine Related Parts : Engine Mounting
01***25Bolt,(Not Shown)4
41***62Washer4
42***20Plain Washer4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Engine Related Parts : Exhaust System
01***30Bolt, Mounting - Front Hand Rails4
42***20Pipe,Exhaust1
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Fuel Tank And Related Parts
Komatsu : Wf550t-3a(S/N 50001-Up) : Fuel Tank And Related Parts : Fuel Piping
01***16Bolt - Starting Motor Ground Cable3
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)5
04***10Clip,(With Accumulator)13
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Komatsu : Wf550t-3a(S/N 50001-Up) : Fuel Tank And Related Parts : Fuel Piping (Additional Fuel Filter Line)
01***35Bolt,(F4320-52a0 -5 )2
01***15Bolt, Fan Mounting2
01***25Bolt,L.H. (For Add. Air Compressor)3
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Komatsu : Wf550t-3a(S/N 50001-Up) : Fuel Tank And Related Parts : Fuel Piping (Water Separator Line)
01***16Bolt - Starting Motor Ground Cable1
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)4
01***08Nut,(For Canvas Canopy?Head Guard)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Fuel Tank And Related Parts : Fuel Piping (With Water Separator Or Additional Fuel Filter)
01***16Bolt - Starting Motor Ground Cable3
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)5
04***10Clip,(With Accumulator)13
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Komatsu : Wf550t-3a(S/N 50001-Up) : Fuel Tank And Related Parts : Fuel Tank
01***16Bolt - Starting Motor Ground Cable7
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)12
01***30Bolt, Mounting - Front Hand Rails4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Fuel Tank And Related Parts : Fuel Tank (Mounting Parts And Fuel Strainer)
01***50Bolt,(For Large Size Tire)9
01***60Flat Washer - M20 (Hardened)9
07***16Strainer, Fuel Tank Filler1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Fuel Tank And Related Parts : Fuel Tank (Piping)
01***16Bolt - Starting Motor Ground Cable3
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
01***40Bolt,(Shim 3-Piece)3
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Guard
Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Bulkhead (1/2)(#50001-50002)
01***25Bolt,(Without Rops Guard? Canopy)2
01***05Screw6
01***12Screw,(For Side Lamp) (Not Shown)15
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Bulkhead (1/2)(#50003-)
01***25Bolt,(Without Rops Guard? Canopy)2
01***05Screw6
01***12Screw,(For Side Lamp) (Not Shown)15
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Bulkhead (2/2)
01***20Bolt - Mount Risers To Cab Floor1
01***30Bolt, Mounting - Front Hand Rails6
01***32Washer6
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Bulkhead (Breather And Piping)
01***16Bolt - Starting Motor Ground Cable2
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
07***52Breather, Radiator Sub Tank1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Bulkhead (Bulkhead Harness)(#50001-50006)
01***16Bolt - Starting Motor Ground Cable1
08***00Diode,(With Air Conditioner)2
08***14Clip,(For Add.Filter)(Except Japan)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Bulkhead (Bulkhead Harness)(#50007-)
01***16Bolt - Starting Motor Ground Cable1
08***00Diode,(With Air Conditioner)2
08***14Clip,(For Add.Filter)(Except Japan)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Bulkhead (Fuel Filter And Piping)
01***25Capscrew2
01***16Bolt - Starting Motor Ground Cable3
01***35Bolt, Mount Bracket To Floor2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Bulkhead (Oil Filter And Piping)
01***25Bolt, Mount Engine Oil Drain To Fuel Tank9
01***30Bolt - Lower Oil Cooler Outlet Tubemounting4
01***50Bolt,(See Fig.A4010-C3w6)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Bulkhead (Solenoid Valve And Priority Valve)(#50001-50002)
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)6
01***85Bolt,(For Reversible Fan)2
07***18O-Ring, Divider Valve Mounting2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Bulkhead (Solenoid Valve And Priority Valve)(#50003-)
01***60Bolt4
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)3
01***25Bolt, Mount Engine Oil Drain To Fuel Tank3
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Bulkhead (Solenoid Valve Piping)(#50001-50002)
01***16Bolt - Starting Motor Ground Cable2
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
01***40Bolt,(Shim 3-Piece)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Bulkhead (Solenoid Valve Piping)(#50003-)
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***16Bolt - Starting Motor Ground Cable2
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Engine Hood (Rear Working Lamp)
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
01***11Nut - Mounting1
01***42Washer,Spring (For Pedal Steering), Washer-Spring1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Engine Hood (Side Cover)(#50001-50002)
01***20Screw24
01***30Screw2
01***25Bolt, Mount Engine Oil Drain To Fuel Tank4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Engine Hood (Side Cover)(#50003-50009)
01***12Bolt,(With Speedometer)16
01***25Bolt, Mount Engine Oil Drain To Fuel Tank4
01***20Bolt - Mount Risers To Cab Floor16
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Engine Hood (Side Cover)(#50010-)
01***20Bolt? Wing,(Noise Suppression Spec.)16
01***25Bolt, Mount Engine Oil Drain To Fuel Tank4
01***20Bolt - Mount Risers To Cab Floor16
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Ladder (Side Floor? 1/2)
01***65Bolt,(Without Rops)6
01***00Capscrew8
01***30Screw2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Ladder (Side Floor? 2/2)
01***40Bolt,(For Slag Handling) (For Usa)12
01***16Bolt - Starting Motor Ground Cable10
01***16Bolt12
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Ladder Rail (Handrail And Step)(#50001-50006)
01***30Bolt,(Not Used When Towing Winch)8
01***90Bolt,For Weight Adjusting Bolt8
01***45Bolt, Bracket Mounting16
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Ladder Rail (Handrail And Step)(#50007-)
01***30Bolt,(Not Used When Towing Winch)8
01***90Bolt,For Weight Adjusting Bolt8
01***50Bolt,(See Fig.A4010-C3w6)16
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Mirror
01***25Bolt, Mount Engine Oil Drain To Fuel Tank8
04***32Adapter Sleeves2
36***50Cap, Bolt8
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Radiator Guard And Hood (Engine Hood? 1/2)
01***05Screw6
01***25Bolt,L.H. (For Add. Air Compressor)2
01***45Bolt,(Noise Abatement Part)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Radiator Guard And Hood (Engine Hood? 1/2) (With Water Separator And Additional Fuel Filter)
01***05Screw6
01***25Bolt,L.H. (For Add. Air Compressor)2
01***45Bolt,(Noise Abatement Part)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Radiator Guard And Hood (Engine Hood? 2/2)
01***16Bolt - Starting Motor Ground Cable6
01***30Bolt - Lower Oil Cooler Outlet Tubemounting2
01***20Bolt - Mount Risers To Cab Floor12
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Radiator Guard And Hood (Rear Grille)(#50001-50007)
01***20Screw24
01***12Bolt,(With Speedometer)24
01***20Bolt - Mount Risers To Cab Floor17
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Radiator Guard And Hood (Rear Grille)(#50008-50009)
01***14Bolt - Plate Mounting8
01***12Bolt,(With Speedometer)24
01***20Bolt - Mount Risers To Cab Floor15
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Radiator Guard And Hood (Rear Grille)(#50010-)
01***10Screw4
01***16Bolt16
01***16Bolt? Wing,Wing4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Radiator Guard And Hood (Stopper And Air Intake Extension)
01***32Washer,(With Auto Emergency Steering)4
04***20Pin,Cotter (For Chinese)4
04***28Pin,(With Body Positioner)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Rear Bumper
01***75Bolt2
01***80Bolt - Counterweight Mounting2
01***80Washer,(For Shipping)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Rear Bumper (Rear Combination Lamp)
01***35Screw, Mount Lens8
01***16Bolt - Starting Motor Ground Cable4
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Under Cover (Additional Floor Fram Cover)(#50008-)
01***16Bolt - Starting Motor Ground Cable4
01***25Bolt,L.H. (For Add. Air Compressor)8
41***10Cover,L.H1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Guard : Under Cover (For Floor Frame)
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)12
41***11Cover,L.H1
41***12Cover,L.H1
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Hydraulic System
Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Main Valve (Control Valve Mounting Parts)
01***70Bolt,(With Wear Guard)4
01***00Bolt,For Weight Adjusting Bolt3
01***32Washer,(Not Used With Emergency Str.)3
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Main Valve (Control Valve Mounting Parts) (With In-Line Filter)
01***70Bolt,(With Wear Guard)4
01***00Bolt,For Weight Adjusting Bolt3
01***32Washer,(Not Used With Emergency Str.)3
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Main Valve (P.P.C. Valve Line Connecting Parts)
01***32Washer, (Without Emergency Steering)8
07***32O-Ring,(See Fig. H0312-01a0-4)2
07***34O-Ring,(For Without Brake Assistor)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (Drain Line)
01***70Bolt - Bracket And Oil Inlet Tubemounting4
01***40Bolt,For Weight Adjusting Bolt4
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (In-Line Filter Mounting) (With In-Line Filter)
01***35Bolt, Mount Ground Driven Steering Pump3
01***11Nut, Lock4
01***32Washer,(Not Used With Emergency Str.)7
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (Lift Cylinder Line? 1/2)
01***40Bolt (Op)8
01***45Bolt, Bracket Mounting4
01***11Nut,(With Under Mirror)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (Lift Cylinder Line? 2/2)
01***60Bolt,(F4320-52a0 -5- )8
01***25Bolt,L.H. (For Add. Air Compressor)4
01***09Nut,(For Japan)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (Loader Pump To Control Valve? 1/2)
01***60Bolt, Mount Tube To Switch Pump4
01***60Bolt,(F4320-52a0 -5- )4
01***25Screw4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (Loader Pump To Control Valve? 2/2)
01***45Bolt,(With Water Separator Type)4
01***30Bolt - Lower Oil Cooler Outlet Tubemounting2
01***09Nut,(For Japan)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (Loader Pump To Control Valve? 2/2) (With In-Line Filter)
01***45Bolt,(With Water Separator Type)4
01***65Bolt,(Used With Pin Puller)4
01***30Bolt - Lower Oil Cooler Outlet Tubemounting2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (P.P.C. Valve Pilot And Charge Valve Drain)
01***16Bolt - Starting Motor Ground Cable4
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)1
01***09Nut,(For Japan)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (P.P.C. Valve To Control Valve And Drain Line)
01***16Bolt - Starting Motor Ground Cable6
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)5
01***50Bolt,(See Fig.A4010-C3w6)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (Power Tilt Line)
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***40Bolt (Op)8
01***20Bolt - Mount Risers To Cab Floor4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (Radiator Fan Motor Line)
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)5
01***32Washer, (Without Emergency Steering)16
04***10Clip,(With Accumulator)5
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (Steering Oil Cooler Line)
01***30Bolt - Lower Oil Cooler Outlet Tubemounting2
01***35Bolt, Mount Bracket To Floor4
01***09Nut,(For Japan)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (Switch Pump To Steering Demand Valve)
01***35Bolt, Mount Bracket To Floor4
01***09Nut,(For Japan)6
01***32Washer,(With Auto Emergency Steering)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (Switch Pump To Steering Demand Valve) (With In-Line Filter)
01***60Bolt,(F4320-52a0 -5- )4
01***35Bolt, Mount Bracket To Floor4
01***09Nut,(For Japan)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Piping (Tank To Pump)
01***35Bolt, Bolt, Mount Tubes To Switch And Work Pumps4
01***35Bolt, Mount Ground Driven Steering Pump8
01***45Bolt,L.H1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Hydraulic Tank
01***40Bolt,(For Center Guard)2
01***45Bolt,(For Slag Handling)3
01***30Bolt,(Not Used When Towing Winch)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Pump (Pump And Mounting Parts)
01***45Bolt,(For 60ton Dump Body)6
01***45Washer,(For Travel Motor) (Not Show)6
07***30O-Ring,Housing3
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Demand Valve
07***12O-Ring, Divider Valve Mounting2
42***70O-Ring2
42***10Plug1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Hydraulic Line (Drain Line)
07***23O-Ring,(For 2nd Travel Speed) (Op)2
07***25Hose1
07***71Hose, From Thermostat Housing1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Hydraulic Line (Drain Line) (With Joy Stick Steering)
07***23O-Ring,(For 2nd Travel Speed) (Op)2
07***25Hose1
07***71Hose, From Thermostat Housing1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Hydraulic Line (In-Line Filter Bracket)
01***35Bolt, Mount Ground Driven Steering Pump4
01***16Bolt - Starting Motor Ground Cable1
01***45Bolt, Bracket Mounting4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Hydraulic Line (Pilot Line)
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)1
01***25Bolt, Mount Engine Oil Drain To Fuel Tank4
01***55Bolt, Mount Dryer To Bracket And Frame1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Hydraulic Line (Pilot Line) (With Joy Stick Steering)
01***25Bolt, Mount Engine Oil Drain To Fuel Tank4
01***55Bolt, Mount Dryer To Bracket And Frame1
01***60Bolt - Upper Cooler Inlet Tubemounting1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Hydraulic Line (Piping Mounting Parts) (With Joy Stick Steering)
01***45Bolt, Bracket Mounting4
01***09Nut,(For Japan)4
01***32Washer,(With Auto Emergency Steering)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Hydraulic Line (Solenoid Valve And Mounting Parts) (With Joy Stick Steering)
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
01***25Bolt, Mount Engine Oil Drain To Fuel Tank2
07***34O-Ring,(For Without Brake Assistor)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Hydraulic Line (Steering Cylinder Line)
01***45Bolt, Bracket Mounting8
01***09Nut,(For Japan)8
01***32Washer,(With Auto Emergency Steering)8
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Hydraulic Line (Steering Cylinder Line) (With Joy Stick Steering)
01***00Bolt,(For Front Brake Release)8
01***25Bolt,Sight4
01***45Bolt, Bracket Mounting8
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Hydraulic Line (Steering Demand Valve Mounting Parts)
01***20Bolt,For Weight Adjusting Bolt3
01***30Bolt, Mounting - Front Hand Rails4
01***11Nut, Lock3
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Hydraulic Line (Stop Valve Mounting And Stopper Bolt)
01***60Bolt, Mounting6
01***25Bolt, Mount Engine Oil Drain To Fuel Tank4
01***10Nut,(Without Air Conditioner)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Hydraulic Line (Stop Valve)
42***01Valve, Steering Stop2
42***30Poppet1
42***40Compression Spring1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Hydraulic Line (Suction And Delivery Line)
Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Hydraulic Line (Suction And Delivery Line)(With In-Line Filter)
01***35Bolt,(F4320-52a0 -5 )4
01***60Bolt,(F4320-52a0 -5- )12
01***12Bolt,(With Speedometer)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Hydraulic System : Steering Valve
41***30Cap, End1
41***60Plate, Spacer1
41***70Drive1
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Main/Revolving Frame And Related Parts
Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Front Frame
Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Front Frame (Steering Cylinder Mounting Pin)
01***25Bolt,(Without Rops Guard? Canopy)4
17***70Washer (Isolator Mounting)4
20***40Shim, 0.5 mm2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Front Frame (With In-Line Filter)
41***10Frame,Front1
42***50Seal,Dust (Kit)4
42***91Bushing2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Front Frame (With Tilt Dozer)
41***00Seat Ass'Y1
42***50Seal,Dust (Kit)4
42***71Bushing2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Hinge Pin (For Front And Rear Frame Connecting)
01***45Bolt, Mount Center Hinge Retainer (Lower)16
01***50Screw2
01***50Bolt, Radiator To Frame6
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Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Lock And Cover (Axle Cover)
01***35Bolt40
01***45Washer,(For Quick Shift) (Mitsubishi)40
41***10Cover4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Lock And Cover (Battery Box Cover)
01***30Bolt,(Not Used When Towing Winch)8
01***35Bolt, Mount Ground Driven Steering Pump8
01***32Washer,(Not Used With Emergency Str.)16
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Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Lock And Cover (Center Cover)(#50001-50002)
01***45Bolt, Mounting Cranking Motor2
01***16Bolt - Starting Motor Ground Cable21
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)8
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Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Lock And Cover (Center Cover)(#50003-50007)
01***45Bolt, Mounting Cranking Motor2
01***16Bolt - Starting Motor Ground Cable14
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)7
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Lock And Cover (Center Cover)(#50008-)
01***30Bolt,(Not Used When Towing Winch)14
01***45Bolt, Mounting Cranking Motor5
01***50Bolt,For Weight Adjusting Bolt5
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Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Lock And Cover (Front And Rear Frame Cover)
01***35Bolt, Mount Ground Driven Steering Pump6
01***45Bolt, Mounting Cranking Motor7
01***20Bolt - Mount Risers To Cab Floor10
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Lock And Cover (Lock Bar)
01***40Bolt,(For Slag Handling) (For Usa)2
01***45Washer,(For Travel Motor) (Not Show)2
42***80Bracket (For Machines W/O Ground Driven Steering)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Lock And Cover (Under Guard? Front Frame)
01***40Bolt,(For Slag Handling) (For Usa)2
01***50Bolt,(For D60pl)4
01***65Capscrew - M16 X 2.00 X 904
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Lock And Cover (Under Guard? Rear Frame)
01***40Bolt,(For Slag Handling) (For Usa)2
01***50Bolt,(For D60pl)10
01***70Capscrew - M242
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Lock And Cover (Wheel Cleaner)
01***70Capscrew - M2434
01***60Washer,(Without Rops Guard? Canopy)34
41***30Bar,L.H1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Rear Axle Support
01***55Bolt,(For Long Track)8
01***70Bolt - Thrust Plate Mounting8
01***55Bolt,(Not Used For Chip Dozer)8
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Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Rear Frame
Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Rear Frame (With Water Separator And Additional Fuel Filter)
Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Remote Grease (Lift Cylinder Pin)
01***16Bolt - Starting Motor Ground Cable3
04***10Clip - Fuel Sensor Harness3
07***00Fitting, Grease - Upper Hinge Pin1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Remote Grease (Rear Axle)
01***16Bolt - Starting Motor Ground Cable5
04***10Clip - Fuel Sensor Harness2
04***10Clip5
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Remote Grease (Rear Frame And Lift Cylinder Fitting)
07***75Fitting,Grease (Without Lub. Piping)5
07***08Plug,(D65ex?Px)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Remote Grease (Steering Cylinder Pin)
01***16Bolt - Starting Motor Ground Cable8
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)1
04***10Clip - Fuel Sensor Harness5
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Remote Grease (Transmission Mount And Damper)
01***16Bolt - Starting Motor Ground Cable1
07***10Tube (Std)1
07***13Sleeve (Kit)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Main/Revolving Frame And Related Parts : Steering Cylinder (Cylinder And Seal)
41***20Seal,Dust? (Cylinder Bottom)8
(7***2)Cylinder Ass'Y,Steering? L.H1
(4***0)Seal8
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Marks And Plates
Komatsu : Wf550t-3a(S/N 50001-Up) : Marks And Plates : Marks And Plates (Chinese)
04***60Screw,Machine Model (For Ec Reg.)4
09***00Plate? Name,(Limited Supply)1
09***63Plate? Instruction,Air Cleaner Element Mainte1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Marks And Plates : Marks And Plates (English)
04***60Screw,Machine Model (For Ec Reg.)4
09***00Plate? Name,Machine Model (For Ec Reg.)1
09***00Plate? Name,(Limited Supply)1
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Operator'S Compartment And Control System
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner (Air Compressor)
42***80Air Compressor Assembly, A-Type1
ND***70Clamp, Tapping1
ND***00Washer? 0.3mm,Plate? Sk1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner (Air Conditioner Kit)
01***20Bolt,See Fig. K4010-11a02
20***10Condenser Ass'Y (Kit)2
20***20Receiver Tank, Receiver1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner (Air Conditioner Unit? 1/2)
42***11Air Conditioner U.,See Fig. K4010-15a01
ND***40Pipe,See Fig. K4010-15a01
ND***20Clamp,See Fig. K4010-15a06
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner (Air Conditioner Unit? 2/2)
ND***90Screw,See Fig. K4010-16a08
ND***70Bracket,See Fig. K4010-16a01
ND***41Screw,See Fig. K4010-16a03
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner (Air Duct)
42***52Duct Assembly, Air1
ND***20Screw With Washer, Tapping2
ND***80Screw With Washer, Tapping1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner (Damper)
42***41Damper Ass'Y,See Fig. K4010-13a01
ND***10Damper Ass'Y,See Fig. K4010-13a01
ND***20Knob,See Fig. K4010-13a02
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner (Filter Box)(#50001-50002)
01***25Bolt, Mount Engine Oil Drain To Fuel Tank12
01***40Nut,(Noise Suppression Spec.)1
01***23Washer, Wiring Harness Mounting Bracket1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner (Filter Box)(#50003-)
01***40Bolt? Wing,See Fig. K4010-12a01
01***25Bolt, Mount Engine Oil Drain To Fuel Tank12
01***10Washer,See Fig. K4010-12a01
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner And Duct
01***12Screw,(Not Shown) (For Std Cab)4
01***12Bolt,(See Fig. K0210-16a0)4
01***16Bolt, Mounting Transmission Control Switch8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner And Heater Cover (Console Box Related Parts)(#50001-50002)
23***30Seal, Door1
42***30Finisher1
42***30Gasket1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner And Heater Cover (Console Box Related Parts)(#50003-)
41***50Sheet1
41***60Sheet1
42***30Finisher1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner And Heater Cover (L.H. Console Box)
01***12Bolt,(See Fig. K0210-16a0)4
01***20Bolt - Mount Risers To Cab Floor3
01***08Washer,(For Joy Stick Steering)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner And Heater Cover (L.H. Console Box) (With Joy Stick Steering)
01***14Screw (Joystick Steering)6
01***20Bolt - Mount Risers To Cab Floor3
08***14Grommet,(For Eu Dynamic Noise)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner And Heater Cover (Rear Console Box)
01***16Screw, Sems2
01***16Bolt, Mounting Transmission Control Switch5
01***12Bolt,(With Speedometer)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner Mounting And Piping (Air Compressor Mounting)
01***85Bolt - M8 X 85lg4
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***30Bolt,(Not Used When Towing Winch)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner Mounting And Piping (Air Compressor Piping)
01***10Bolt - Relay And Flasher Mounting2
01***25Screw2
01***30Bolt,See Fig. K4010-17a03
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner Mounting And Piping (Electrical System)
01***12Bolt,(See Fig. K0210-16a0)8
01***16Bolt - Starting Motor Ground Cable2
08***36Tie, Cable7
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Air Conditioner Mounting And Piping (Receiver Tank And Condenser Mounting Parts)
01***16Bolt, Mount Solenoid Valve4
01***75Screw4
01***25Bolt,L.H. (For Add. Air Compressor)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Control (Accumulator And Piping)
01***25Bolt, Mount Engine Oil Drain To Fuel Tank2
01***40Bolt,(Shim 3-Piece)4
01***25Bolt,L.H. (For Add. Air Compressor)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Control (Accumulator Charge Valve To Single Brake Valve)
01***25Bolt, Mount Engine Oil Drain To Fuel Tank1
04***12Clip,See Fig. K4010-62a01
07***34O-Ring,(For Without Brake Assistor)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Control (Accumulator Charge Valve)
07***11O-Ring,(Tm8202-009)1
07***14O-Ring,(Without Maintenance Monitor)1
07***18O-Ring2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Control (Accumulator To Brake Valve Piping)
01***16Bolt - Starting Motor Ground Cable4
01***09Nut,(For Japan)2
01***32Washer,(With Auto Emergency Steering)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Control (Brake Valve To Hydraulic Tank Piping)
01***16Bolt - Starting Motor Ground Cable4
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
04***10Clip,(See Fig.0311a Or 0321)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Control (Brake Valve To Slack Adjuster)
01***16Bolt - Starting Motor Ground Cable10
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)1
01***25Bolt, Mount Engine Oil Drain To Fuel Tank1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Control (Charge Valve To Emergency Brake Valve And Drain)
07***03Hose,(F4310-55a0 -17 )1
07***05Hose1
36***10Protector Z02001
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Control (Drain Tube)
01***55Bolt, Mount Dryer To Bracket And Frame2
07***28O-Ring,(F5350-63a0 -10 )1
42***80Tube1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Control (Emergency Parking Brake Release Line)
01***16Bolt, Mount Solenoid Valve2
01***16Bolt - Starting Motor Ground Cable5
04***10Clip,See Fig. K4010-17a02
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Control (P.P.C. Pump To Accumulator Charge Valve)
01***30Bolt - M8 X 30lg4
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
01***90Bolt,(For Large Fan)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Control (Single Brake Valve)
01***20Screw1
01***25Bolt,See Fig. K4010-65a04
01***40Bolt,See Fig. K4010-64a04
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Control (Tandem Brake Valve)
01***20Screw1
01***25Bolt,See Fig. K4010-65a04
01***20Bolt,See Fig. K4010-65a01
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Piping (Front Axle Line)
01***25Bolt,(Without Rops Guard? Canopy)6
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)8
01***50Bolt,(See Fig.A4010-C3w6)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Piping (Rear Axle Line)
01***16Bolt - Starting Motor Ground Cable4
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)6
01***50Bolt,(See Fig.A4010-C3w6)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Brake Piping (Slack Adjuster)
07***08Plug,(Without Lock-Up), Plug2
42***30Spring2
42***40O-Ring,Piston2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Canopy (With Chinese Plate)
01***00Rops Bolt20
01***12Screw,(Without Ashtray)2
01***60Washer,(Without Rops Guard? Canopy)20
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Canopy (With English Plate)
01***00Rops Bolt20
01***12Screw (2)2
01***12Screw,(Without Ashtray)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Cooler And Heater Box
01***16Bolt, Mounting Transmission Control Switch4
07***89Clamp,(D31s)2
42***70Grille,(See Fig. K0210-16a0)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Engine Control (Accelerator Pedal)
01***16Bolt - Box Mounting2
01***70Screw1
01***20Bolt,See Fig. K4010-11a03
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor (Foot Rest)
01***20Bolt,See Fig. K4010-11a03
42***20Plate1
42***21Foot Rest,Foot1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor (Joy Stick Lever) (With Joy Stick Steering)
01***12Screw,Sems1
01***16Screw2
01***14Screw (Joystick Steering)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor (Joy Stick? On-Off Switch) (With Joy Stick Steering)
42***61Switch, On - Off (Joystick Steering)1
42***60Plate? Mark1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor (Lever Bracket And Related Parts? 1/2) (With Joy Stick Steering)
01***16Bolt - Box Mounting2
01***50Capscrew1
01***16Screw2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor (Lever Bracket And Related Parts? 2/2) (With Joy Stick Steering)
01***12Screw4
01***16Screw,(With Payload Meter)2
01***16Screw1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor (P.P.C. Valve Line)
01***20Bolt,(Forwarded Individually Parts)3
01***35Bolt, Mount Bracket To Floor6
07***18O-Ring, Divider Valve Mounting2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor (R.H.Console Box)
01***16Screw,(With Payload Meter)5
01***16Screw,(For Joy Stick Steering)5
01***16Bolt, Mounting Transmission Control Switch2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor (R.H.Console Box) (With Joy Stick Steering)
01***16Screw,(For Joy Stick Steering)5
01***16Bolt, Mounting Transmission Control Switch2
01***35Bolt, Mount Bracket To Floor1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor Decal (Chinese)
09***81Plate? Safety,Warning Before Ope.And Mainte1
09***81Plate? Safety,Work Equipment Lever Lock1
09***0APlate? Operating,Blade Control Lever (A)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor Decal (English)
09***81Plate? Safety,Warning Before Ope.And Mainte1
09***81Plate? Safety,Work Equipment Lever Lock1
09***0APlate? Operating,Blade Control Lever (A)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor Frame
01***12Screw,Sems1
01***16Bolt, Mounting Transmission Control Switch10
08***11Spring Clip1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor Frame (With Joy Stick Steering)
01***12Screw,Sems1
01***16Bolt, Mounting Transmission Control Switch10
08***11Spring Clip1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor Harness
01***16Bolt, Battery To Frame Ground Wire Attaching2
01***16Bolt, Battery To Frame Ground Wire Attaching2
01***10Bolt - Relay And Flasher Mounting6
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor Harness (Additional Floor Harness And Working Lamp)(#50001-50002)
01***08Bolt, Mount Relays And Flasher2
01***10Bolt - Relay And Flasher Mounting2
01***16Bolt2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor Harness (Additional Floor Harness And Working Lamp)(#50003-)
01***12Screw4
01***10Bolt - Relay And Flasher Mounting3
01***16Bolt - Starting Motor Ground Cable2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor Harness (Relay And Fuse)
01***12Screw,(For Side Lamp) (Not Shown)2
01***16Screw, Mount Parking Lights4
01***10Bolt - Relay And Flasher Mounting5
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor Harness (Sub Monitor And Mounting Parts)
01***25Screw4
01***08Washer,(For Mounting First Aid Kit)4
42***70Nut4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor Harness (Transmission Controller And Mounting Parts)
01***16Bolt - Starting Motor Ground Cable4
01***05Nut,(For Air Conditioner Less), Nut4
01***23Washer,(With Auto Emergency Steering)8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Floor Mat
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Gauge And Sensor (Main Monitor) (Except Japan)
01***12Screw,(With Articulate Indicator)8
01***19Washer,Spring (With Extinguisher) (D31p)8
(7***0)Monitor,Main1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Gauge And Sensor (Main Monitor) (Except Japan)(#50008-)
01***12Screw,(With Articulate Indicator)8
01***19Washer,Spring (With Extinguisher) (D31p)8
(7***0)Monitor Ass'Y,Main (English)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Heater Piping
01***25Bolt,(For Canvas Canopy?Head Guard)1
01***25Bolt,(For Canvas Canopy?Head Guard)1
01***10Bolt - Relay And Flasher Mounting2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Loader Control (Work Equipment Control Lever)
01***16Screw,(With Payload Meter)4
01***16Screw,(For Joy Stick Steering)4
01***30Screw, Mounting1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Loader Control (Work Equipment Control Linkage)
01***03Nut, L. H. Thread1
01***05Nut,(For Air Conditioner Less), Nut1
01***07Nut,(With Body Positioner)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Loader Control (Work Equipment Lock Lever)
01***20Bolt - Mount Risers To Cab Floor2
04***20Pin, Spring Retainer2
09***00Knob,Lock Lever1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Mainn Monitor (Inner Parts)
78***10Bulb - 1.4 Watt9
78***00Screw12
78***00Panel1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Maintenance Monitor (Inner Parts)
01***10Washer,(Except Japan)12
01***05Washer,(Except Japan)12
08***03Bulb? 3w,Turn Signal Lamp1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Antenna And Speaker)
01***20Screw (Not Illustrated)8
01***12Screw,(Without Ashtray)2
08***36Tie, Cable1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Cab Harness Mounting Parts And Front Glass Plate)
01***10Screw1
01***16Bolt - Starting Motor Ground Cable1
08***10Clamp1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Cab Mounting Parts)
01***40Bolt,For Weight Adjusting Bolt2
01***45Bolt, Mounting Cranking Motor2
01***60Bolt,Rear8
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Cap And Door Lock)
01***25Bolt,(Rear Attachment Less)12
01***10Screw,(For Shipping)4
01***20Screw4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Cigar Lighter And Radio Bracket)
01***10Bolt - Relay And Flasher Mounting3
01***16Bolt, Mounting Transmission Control Switch6
01***18Washer,Spring1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Door Lock? L.H.)
01***12Screw8
01***16Screw1
01***12Bolt,(See Fig. K0210-16a0)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Door Lock? R.H.)
01***12Screw8
01***16Screw1
01***12Bolt,(See Fig. K0210-16a0)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Door Related Parts? L.H.)
01***25Bolt,(Rear Attachment Less)4
01***14Screw1
01***16Screw1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Door Related Parts? R.H.)
01***25Bolt,(Rear Attachment Less)4
01***12Screw1
01***16Screw1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Door? L.H.)
01***12Screw8
01***06Screw (Op)2
01***08Screw7
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Door? R.H.)
01***12Screw8
01***06Screw (Op)2
01***08Screw7
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Electrical System)
01***12Screw10
01***12Screw2
01***16Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Front Interior Trim)
01***10Plain Washer10
20***20Ashtray1
41***80Seal2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Front Wiper)
01***16Bolt, Mounting Transmission Control Switch4
01***16Bolt - Starting Motor Ground Cable1
08***10Connector, Clip1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Interior Trim? 1/2)
42***10Screw,(With Washer)6
42***40Screw2
42***90Cover6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Interior Trim? 2/2)
42***10Screw,(With Washer)7
42***80Cover, Wiper Motor - L.H1
42***90Cover, Wiper Motor - R.H1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Komatsu Plate)
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Lower Cover? Front)
42***10Screw,(With Washer)6
42***60Protective Strip1
42***11Cover, L.H1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Pillar Cover And Roof? Inside)
01***16Screw4
01***12Screw2
01***23Washer,(With Auto Emergency Steering)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Rear Wiper)
01***16Screw, Mount Parking Lights1
01***12Bolt,(With Speedometer)2
01***16Bolt - Starting Motor Ground Cable1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Window Washer)
01***16Screw2
07***65Tube, Washer1
08***08Grommet,(Without Beacon Lamp)3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Window) (Except Japan)
01***25Bolt? Wing2
01***10Washer,(For 35a Alternator)2
01***08Washer,(For Mounting First Aid Kit)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Cab (Working Lamp Harness)
01***16Bolt - Starting Motor Ground Cable1
08***10Connector, Clip1
22***50Finisher2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Seat
01***20Screw4
01***25Bolt,L.H. (For Add. Air Compressor)4
01***06Nut4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Operator'S Seat (With Joy Stick Steering)
01***40Bolt2
01***25Bolt,L.H. (For Add. Air Compressor)4
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108062
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Radio? Am/Fm (Except Japan)
01***10Screw4
01***12Capscrew - M44
08***00Fuse, Radio 1a1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Seat Belt
02***19Bolt,Tether2
09***01Bolt,(For Shipping)3
09***02Washer,(For Shipping)3
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Support (For Floor Frame)
01***45Bolt,(For Slag Handling)8
01***25Bolt,(For Canvas Canopy?Head Guard)8
01***25Bolt,(For Canvas Canopy?Head Guard)8
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Transmission Control Switch
01***08Screw, Mount Damper To Shaft6
01***12Screw2
01***08Screw, Terminal10
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Washer Tank
01***16Screw,(P.O.C. Model) (Except Japan)2
01***23Washer,(With Auto Emergency Steering)2
08***10Clip,See Fig. K4010-06a05
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Wheel Column And Steering Valve (Column Cover)
01***30Bolt, Mounting - Front Hand Rails4
01***08Washer,(For Joy Stick Steering)5
42***40Rivet6
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Wheel Column And Steering Valve (Support And Mounting Parts)
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***20Capscrew2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Operator'S Compartment And Control System : Wheel Column And Steering Valve (Wheel And Column)
01***40Screw1
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108061
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring1
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S6d140e-2d-6 Engine S/N 22537-Up
Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Air Cleaner (With Intake Extension Pipe)(#27374-)
01***25Bolt,(For Canvas Canopy?Head Guard)8
01***40Capscrew2
01***08Nut,(For Canvas Canopy?Head Guard)8
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Air Intake Manifold(#23227-)
01***75Bolt (M10-1.50x75)12
01***35Capscrew8
01***50Screw4
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Alternator (50a) (With Hardening Pulley) (Inner Parts)(#23227-27965)
60***10Alternator A. (50a)1
SD***X0Coil Assembly1
SD***X0Washer1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Alternator (60a) (With Hardening Pulley) (Inner Parts)(#27966-)
60***70Alternator A. (60a),(See Fig.A6010-B4k6)1
KD***70Bushing,Insulate2
KD***40Bushing,Insulate1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Alternator (75a) (With Hardening Pulley) (Inner Parts)(#24911-30743)
60***10Alternator A. (75a)1
SD***X0Coil Assembly1
SD***X0Washer1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Alternator Mounting (50a) (With Hardening Pulley)(#23227-)
01***20Bolt, Wiring Harness Mounting Bracket3
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***60Bolt,For Weight Adjusting Bolt1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Alternator Mounting (75a) (With Hardening Pulley)(#24911-)
01***20Bolt, Wiring Harness Mounting Bracket3
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***60Bolt,For Weight Adjusting Bolt1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Camfollower Cover(#26526-)
01***30Bolt,(With Body Positioner)5
01***60Bolt,(F4320-52a0 -5- )1
01***70Bolt - Bracket And Oil Inlet Tubemounting1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Camfollower(#26075-)
04***12Ring, Retaining4
61***30Pin,Dowel12
61***20Ball1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Camshaft(#26075-)
01***20Bolt (M12-1.75x20)2
04***25Key, Plain Woodruff1
62***12Camshaft Assembly1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Cooling Fan(#27478-)
Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Corrosion Resistor And Piping(#23227-)
01***16Bolt, Battery To Frame Ground Wire Attaching1
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***90Bolt,(For No?1 And No?3 Housing)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Crank Pulley (Hardening)(#23227-)
04***24Pin,Dowel (For No.3 Housing)1
62***20Bolt6
62***10Pulley? Hardening1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Crankshaft
61***30Key Parallel1
62***00Bearing Assembly1
62***10Main Bearing Assembly7
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Cylinder Block (1/2)(#26698-)
01***45Washer,(Without R.O.P.S.)14
04***14Pin, Dowel2
04***20Pin,Dowel (Welded)12
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Cylinder Block (2/2)(#26698-)
Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Cylinder Block Gasket Kit(#23227-)
01***12Washer,(F2320-63a2 -13 )2
07***60O-Ring,(For Pc750?800?1800) (A2610)1
07***25O-Ring,Corrosion Resistor1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Cylinder Block Mounting (With Block Heater)(#26119-)
01***20Bolt,(For Mono Lever Steering)1
01***25Bolt,(For Canvas Canopy?Head Guard)7
01***25Bolt,(Without Rops Guard? Canopy)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Cylinder Block Mounting(#26119-)
01***20Bolt,(For Mono Lever Steering)1
01***25Bolt,(For Canvas Canopy?Head Guard)7
01***25Bolt,(Without Rops Guard? Canopy)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Cylinder Head
01***20Bolt (M10-1.75x120)6
04***20Pin,Dowel (Welded)2
07***25O-Ring,Lubrication Valve1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Cylinder Head Gasket Kit(#23227-)
02***75O-Ring,(For Japan) (K1)4
02***81O-Ring,Air Connector2
07***21O-Ring,Oil Cooler Pipe12
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Damper
01***30Bolt,(Not Used When Towing Winch)6
01***32Washer,(Not Used With Emergency Str.)6
62***00Damper Ass'Y1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Ejector Piping (For Air Cleaner With Intake Extension Pipe)(#23227-)
01***16Bolt, Battery To Frame Ground Wire Attaching1
01***25Bolt,(For Canvas Canopy?Head Guard)1
01***35Bolt,(F4320-52a0 -5 )2
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Element (Ordering Transferded Parts)(#27120-)
60***31Cartridge, Oil Filter1
60***32Cartridge,Fuel Filter1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Engine Mounting(#25131-)
01***45Bolt,(For Travel Motor) (Not Show)8
01***45Capscrew - M168
01***45Washer,(For Travel Motor) (Not Show)8
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Engine Stop Motor(#23227-)
01***16Bolt - Box Mounting3
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)3
01***25Bolt, Mount Engine Oil Drain To Fuel Tank2
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Exhaust Manifold(#22885-)
01***55Screw2
01***00Screw22
07***08Plug,(For W/O. Corrosion Resistor)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fan Drive (With Hardening Pulley)(#23227-)
01***16Bolt - Seat And Tether Belt Mounting6
01***20Bolt, Wiring Harness Mounting Bracket2
01***55Bolt - Mount Cage To Transmission Case3
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fan Pulley (With Hardening Pulley) (With Air Conditioner)(#23227-)
01***30Bolt,(With Body Positioner)6
04***61V-Belt,(For Air Conditioner)1
04***63V-Belt Set,(High Speed Pulley) (E/J)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Flywheel Housing(#23227-)
01***45Bolt,(For Slag Handling)8
01***60Bolt, Hanger Bearing Mounting2
01***45Capscrew - M168
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Flywheel(#23227-)
04***16Pin,(Dowel)6
61***51Gear, Ring1
62***50Bolt6
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Front Cover Mounting(#26119-)
01***16Bolt - Box Mounting2
01***30Bolt - M8 X 30lg2
01***20Bolt,(For Mono Lever Steering)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Front Cover(#26084-)
07***16Plug, Expansion7
62***10Cover,Front1
67***21Seal? Front,(See Fig.A2040)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Front Power Take Off (Without Front Power Take Off)(#23227-)
01***20Bolt,(For Mono Lever Steering)3
01***30Bolt,(With Body Positioner)3
01***25Bolt,(Without Rops Guard? Canopy)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fuel Filter(#27396-)
07***12Gasket,Mechanical Pump Piping1
07***08Plug,(Without Lock-Up), Plug1
60***32Cartridge,Fuel Filter1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fuel Filter(#27478-)
07***12Gasket,Mechanical Pump Piping1
07***08Plug,(Without Lock-Up), Plug1
60***32Cartridge,Fuel Filter1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fuel Injection Pump (Coupling) (Inner Parts)(#24132-)
DK***00Coupling1
DK***00Bolt6
DK***00Bolt2
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fuel Injection Pump (Feed Pump) (Inner Parts)(#24132-)
DK***20Bolt, Joint1
DK***20Housing1
DK***00Valve,Check4
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#24132-)
Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#24132-)
DK***00Gasket1
DK***00Spring1
DK***00Nut,Cap1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#24132-)
62***10Injection Pump A1
DK***30Bearing,Roller2
DK***00Bearing, Center1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fuel Injection Pump (Pump) (2/2) (Inner Parts)(#24132-)
DK***20Plunger Ass'Y1
DK***20Plunger Block A6
DK***00Shim? 0.875mm0
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fuel Injection Pump Drive(#22653-)
01***16Bolt - Seat And Tether Belt Mounting3
01***19Nut1
01***16Washer,(For Shipping)3
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fuel Injection Pump Lubricator(#23227-)
07***12Gasket,(Without Air Compressor Type) (K2)2
07***12Gasket,(Without Air Compressor Type) (K1)2
07***10Screw, Banjo Connector (M10-1.25x20)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fuel Injection Pump Mounting(#24132-)
01***90Bolt,(For No?1 And No?3 Housing)4
01***16Washer,Radio Controlled Slag Handling4
42***31Tube1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fuel Injection Pump Piping
01***25Capscrew4
01***30Screw4
01***35Bolt4
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Fuel Return(#23227-)
07***16Tube,Spill (S6d110-1a? S6d110-1b)1
07***85Clip1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Gasket (Ordering Transferded Parts)(#27120-)
Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Head Cover Mounting(#26084-)
Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Head Cover(#26084-)
62***11Cover,Rocker Arm Housing6
62***20Gasket, Rocker Lever Housing6
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Heater Switch Wiring(#23227-)
01***10Bolt,(With Auto Emergency Steering)2
01***10Washer,(For 35a Alternator)2
08***19Cap, At Heater Relay Terminals3
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Hood (With Intake Extension Pipe) (Ordering Transferded Parts)(#27120-)
Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Idler Gear(#26526-)
01***30Bolt - M8 X 30lg6
61***60Pin, Dowel1
61***22Bolt1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Injection Nozzle(#23227-)
01***20Capscrew6
07***21O-Ring,Oil Cooler Pipe12
07***21Seal, O-Ring6
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Lubricating Oil Adapter(#27478-)
01***16Bolt - Seat And Tether Belt Mounting3
01***20Bolt,(For Mono Lever Steering)2
01***30Bolt,(With Body Positioner)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Muffler (For Air Cleaner With Intake Extension Pipe)(#23227-)
01***20Bolt,(For Mono Lever Steering)2
01***45Capscrew3
01***50Bolt4
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Name Plate (For Regulation Of Epa)(#27478-)
Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Name Plate And Caution Plate (For Eu Exhaust Gas Regulation)(#26616-27978)
04***50Screw4
61***10Plate? Name,(Limited Supply)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Name Plate And Caution Plate(#25887-)
04***50Screw4
09***40Plate? Name,(Limited Supply) (English)1
60***00Plate,(Limited Supply)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Nozzle Holder (Inner Parts)(#23227-)
62***31Connector1
62***00Nozzle Holder Ass'Y6
62***20Nozzle1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Oil Cooler
01***20Bolt, Wiring Harness Mounting Bracket2
01***30Bolt,(With Body Positioner)13
01***60Bolt,(F4320-52a0 -5- )2
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Oil Filter(#27478-)
07***35O-Ring,Transmission Valve Mount1
60***30Plug1
60***40Seal, O-Ring1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Oil Level Gauge (With Oil Pan Heater)(#27478-)
61***20Collar1
61***30Nut,(For Shipping)1
62***10Gauge,Oil Level1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Oil Level Gauge(#27478-)
61***20Collar1
61***30Nut,(For Shipping)1
62***10Gauge,Oil Level1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Oil Pan And Suction Tube (With Oil Pan Heater)(#27478-)
01***25Bolt,(For Canvas Canopy?Head Guard)40
01***30Bolt,(With Body Positioner)2
01***50Bolt,(Spark Arrester Spec.)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Oil Pan And Suction Tube(#27478-)
01***25Bolt,(For Canvas Canopy?Head Guard)40
01***30Bolt,(With Body Positioner)2
01***12Bolt,(See Fig. K0210-16a0)3
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Oil Pump
01***25Bolt,(Rear Attachment Less)4
01***30Bolt,(Not Used When Towing Winch)1
01***40Bolt,For Weight Adjusting Bolt2
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Piston
02***13Pin, Dowel2
04***20Ring, Retaining12
62***10Bolt2
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Rocker Arm And Housing(#26075-)
01***80Bolt (M12-2.00x80)6
01***80Bolt (M10-1.50x80)16
01***20Bolt (M12-1.75x120)12
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Starting Motor (11kw) (Inner Parts)(#22653-28710)
60***10Starting Motor Ass'Y,(11kw)1
SD***X0Bearing,Ball1
SD***X0Brush Holder Ass'Y1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Starting Motor (11kw) (Inner Parts)(#28711-)
60***11Starting Motor Ass'Y,(11kw)1
KD***40Spring,Spring4
KD***57Bearing, Ball, Front1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Starting Motor Mounting (11kw)(#22653-28710)
01***40Bolt (Kit)3
01***16Bolt, Battery To Frame Ground Wire Attaching1
01***16Washer,Radio Controlled Slag Handling1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Starting Motor Mounting (11kw)(#28711-)
01***40Bolt (Kit)3
01***16Bolt, Battery To Frame Ground Wire Attaching1
01***16Washer,Radio Controlled Slag Handling1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Tamper Proof Kit (For Regulation Of Epa)(#23257-)
Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Thermostat Housing(#25659-)
Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Turbocharger (Inner Parts)(#23227-)
01***16Bolt4
01***16Bolt8
01***16Bolt8
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Turbocharger Mounting And Lubricator(#23227-)
01***20Bolt,(For Mono Lever Steering)1
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***35Bolt,(F4320-52a0 -5 )3
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : V-Belt (Ordering Transferded Parts)(#27120-)
04***63V-Belt Set,(High Speed Pulley) (E/J)1
62***40V-Belt Set,Alternator Drive1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Water Pump Gasket Kit(#23227-)
02***37O-Ring,(For Pc750?1800) (A5010)2
07***55O-Ring,Front Accessory Drive2
07***70O-Ring,(For Intake Air Cover)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Water Pump(#25659-)
01***20Bolt,(For Mono Lever Steering)1
01***30Bolt,(With Body Positioner)4
01***80Bolt,(With Corrosion Resistor)1
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Komatsu : Wf550t-3a(S/N 50001-Up) : S6d140e-2d-6 Engine S/N 22537-Up : Water Separator (Ordering Transferded Parts)(#27396-)
07***12Gasket,Mechanical Pump Piping1
60***90O-Ring1
60***31Separator Assembly, Water1
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Service Kit And Component Parts
Komatsu : Wf550t-3a(S/N 50001-Up) : Service Kit And Component Parts : Accumulator
07***00O-Ring,(Y1620-11a0a-11)1
07***90O-Ring,Grease Pump Strap2
70***20Ring,Back-Up (Kit)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Service Kit And Component Parts : Control Valve (2-Spool) (1/3)
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***20Bolt8
07***35O-Ring, Upper Cooler Inlet And Outlet Ports1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Service Kit And Component Parts : Control Valve (2-Spool) (2/3)
01***30Bolt,(With Body Positioner)4
01***35Bolt,(F4320-52a0 -5 )2
01***16Screw4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Service Kit And Component Parts : Control Valve (2-Spool) (3/3)
07***34O-Ring,Transmission And Steering Case2
07***34O-Ring,See Fig. K4010-65a01
70***01Valve Assembly, Suction1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Service Kit And Component Parts : Hydraulic Pump (Steering)
04***20Ring, Retaining1
70***11Pump Assembly, Steering (Sar3-80)2
70***11Seal, Oil1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Service Kit And Component Parts : Hydraulic Pump (Transmission)
04***20Ring, Retaining1
70***10Pump, Torque Converter And Transmission1
70***10Shaft Seal1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Service Kit And Component Parts : Hydraulic Pump (Work Equipment And P.P.C.) (1/2)
01***45Washer, Spring4
04***28Pin, Dowel - Transmission Case, Pin-Dowel4
04***20Ring, Snap1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Service Kit And Component Parts : Hydraulic Pump (Work Equipment And P.P.C.) (2/2)
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***32Washer, (Without Emergency Steering)4
01***32Washer, (Without Emergency Steering)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Service Kit And Component Parts : Kit (Torque Converter And Transmission)
07***60O-Ring,(For Pc750?800?1800) (A2610)1
07***30O-Ring, Cover - Transfer Gear1
07***06O-Ring,(F4320-61a0 -9 )6
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Komatsu : Wf550t-3a(S/N 50001-Up) : Service Kit And Component Parts : Lift Cylinder
01***40Capscrew - M12 X 1.75 X 40lg6
01***55Bolt,(For Shipping)12
01***45Washer,(For Quick Shift) (Mitsubishi)12
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Komatsu : Wf550t-3a(S/N 50001-Up) : Service Kit And Component Parts : Ppc Valve
07***20O-Ring,Relief Valve4
70***05Valve Assembly, P.P.C. - Two-Spool1
70***40Shim - 0.012 In. (0.30 mm)8
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Komatsu : Wf550t-3a(S/N 50001-Up) : Service Kit And Component Parts : Steering Cylinder(#50001-50007)
07***10O-Ring - Strainer Cover1
07***05O-Ring, Steering Pump Mounting1
07***00Fitting, Grease - Upper Hinge Pin1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Service Kit And Component Parts : Steering Cylinder(#50008-)
07***10O-Ring - Strainer Cover1
07***05O-Ring, Steering Pump Mounting1
07***00Fitting, Grease - Upper Hinge Pin1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Service Kit And Component Parts : Tilt Cylinder
07***15O-Ring,(Y1621-01a0-10)1
07***20O-Ring,(Y1621-01a0-12)1
07***07Bushing2
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Suspension And Wheel Related Parts
Komatsu : Wf550t-3a(S/N 50001-Up) : Suspension And Wheel Related Parts : Steel Wheel
42***12Wheel,Front R.H. And Rear L.H2
42***22Wheel,Front L.H. And Rear R.H2
42***32Foot (Welded)28
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Komatsu : Wf550t-3a(S/N 50001-Up) : Suspension And Wheel Related Parts : Steel Wheel (Chopper Type)
41***10Wheel,Front L.H. And Rear R.H2
41***20Wheel,Front R.H. And Rear L.H2
41***30Bracket (Welded)28
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Torque Converter And Transmission
Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Drive Shaft (Front Axle Side? Center)
01***30Bolt, Mount Pump4
01***70Capscrew (4) (Qty.26 (5))6
01***30Capscrew1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Drive Shaft (Front Axle Side? Front)
01***60Bolt, Upper Shaft Mounting8
41***40Lubrication Nipple1
42***20Spider Assembly2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Drive Shaft (Front Axle Side? Rear)
01***60Bolt, Upper Shaft Mounting8
41***30Lubrication Nipple3
42***20Spider Assembly2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Drive Shaft (Rear Axle Side)
01***60Bolt, Upper Shaft Mounting8
41***30Lubrication Nipple2
41***40Lubrication Nipple1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Drive Shaft (Universal Joint)
01***50Bolt - Spider To Transmission And To Front Drive8
42***30Lubrication Nipple4
42***90Bolt - Spider To Drive Shaft Mounting8
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Front Axle (Axle Mounting Parts)
01***29Nut - Front Axle Mounting8
42***31Bolt - Front Axle Mounting4
42***70Bolt - Front Axle Mounting4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Front Axle (Differential And Mounting Parts)
01***65Bolt - Battery Box10
01***20Screw4
01***50Bolt - Differential Carrier36
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Front Axle (Final Drive)
01***20Screw24
01***30Capscrew - M12 X 1.7524
01***60Capscrew16
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Front Axle (Housing)
01***30Capscrew - M12 X 1.752
01***32Washer,(Not Used With Emergency Str.)2
04***60Screw,Machine Model (For Ec Reg.)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Front Axle (Wheel Brake Mounting Parts)
01***60Bolt,(Balancer)24
01***60Flat Washer - M20 (Hardened)24
07***28O-Ring16
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Front Axle (Wheel Brake)
01***50Bolt,(Not Used When With Cab)40
01***80Stud72
01***45Washer,(For Quick Shift) (Mitsubishi)40
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Front Axle (Wheel Rim Mounting Parts)
01***60Flat Washer - M20 (Hardened)72
42***90Nut, Lug - Wheel Mounting72
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Rear Axle (Differential And Mounting Parts)
01***20Screw4
01***65Capscrew10
01***50Bolt - Differential Carrier36
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Rear Axle (Final Drive)
01***20Screw24
01***30Capscrew - M12 X 1.7524
01***60Capscrew16
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Rear Axle (Housing)
01***30Capscrew - M12 X 1.752
01***50Capscrew14
01***32Washer,(Not Used With Emergency Str.)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Rear Axle (Wheel Brake Mounting Parts)
01***60Bolt,(Balancer)24
01***60Flat Washer - M20 (Hardened)24
07***28O-Ring16
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Rear Axle (Wheel Brake)
01***50Bolt,(Not Used When With Cab)40
01***80Stud72
01***45Washer,(For Quick Shift) (Mitsubishi)40
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Rear Axle (Wheel Rim Mounting Parts)
01***60Flat Washer - M20 (Hardened)72
42***90Nut, Lug - Wheel Mounting72
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torqflow (Mount)
01***40Bolt (Op)4
01***60Bolt,(F4320-52a0 -5- )2
01***70Bolt - Bracket And Oil Inlet Tubemounting2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torque Converter
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***30Bolt,(With Body Positioner)24
01***40Bolt (Op)12
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torque Converter And Transmission (Filler Cap? Lock Type)
07***05Gasket1
07***00Cap, Hydraulic Tank - Transmission Oil Filler1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torque Converter And Transmission (Oil Heater)
Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torque Converter And Transmission (Sensor)
78***30Sensor,Pick-Up Engine Tachometer1
78***20Sensor, Trans. Control Valve Oil Temperature1
(7***1)Torque Converter A1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torque Converter And Transmission Line (Oil Cooler Piping? Connecting Hose)
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)4
07***25Hose, Fuel1
07***29Hose1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torque Converter And Transmission Line (Oil Filter And Mounting)
01***25Bolt,(For Canvas Canopy?Head Guard)5
01***25Bolt,(For Canvas Canopy?Head Guard)5
01***40Bolt (Op)9
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torque Converter And Transmission Line (Oil Filter Piping? Delivery Hose)
01***25Screw4
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)1
01***32Washer, (Without Emergency Steering)8
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torque Converter And Transmission Line (Oil Filter Piping? Suction)
01***35Bolt,R.H. (For Add. Air Compressor)8
01***09Nut,(For Japan)2
01***32Washer,(With Auto Emergency Steering)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torque Converter And Transmission Line (Oil Filter Piping? Transmission Side)
01***65Bolt - Transmission Tube Mounting2
07***45O-Ring,(F4350-60a0 -9 )1
41***10Tube1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torque Converter And Transmission Line (Oil Filter Piping? Oil Filter Side)
01***35Bolt,(F4320-52a0 -5 )1
01***50Bolt,(Spark Arrester Spec.)3
01***40Bolt,(Shim 3-Piece)4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torque Converter And Transmission Line (Oli Cooler Piping? Transmission Side)
01***60Bolt - Upper Cooler Inlet Tubemounting2
01***65Bolt - Transmission Tube Mounting2
07***45O-Ring,(F4350-60a0 -9 )1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torque Converter And Transmission Line (Pump And Mounting)
01***45Bolt,(For 60ton Dump Body)2
01***45Washer,(For Travel Motor) (Not Show)2
07***30O-Ring,Housing1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torque Converter And Transmission Mounting
01***50Bolt, Radiator To Frame8
01***30Bolt, Mount Transmission To Frame6
01***45Washer,(For Travel Motor) (Not Show)8
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Torque Converter Case
01***30Bolt,(With Body Positioner)10
01***35Bolt, Mount Ground Driven Steering Pump11
01***12Nut,Lock4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (2nd And 1st Carrier)
04***18Ring, Retaining1
04***20Ring, Retaining2
04***35Bowl, Check Valve3
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (2nd And 1st Housing)
01***75Bolt,(Without Cab)9
04***28Pin, Dowel - Transmission Case, Pin-Dowel6
14***81Ring, Seal - Reverse Clutch1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (4th And 3rd Carrier)
04***24Pin, Spring3
04***20Ring, Retainer1
04***35Bowl, Check Valve3
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (4th And 3rd Housing)
11***70Ring, Seal - Reverse Clutch1
13***20Pin,(D=15? L=162)5
14***81Ring, Seal - Reverse Clutch2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (Parking Brake)
01***45Bolt,(With Water Separator Type)2
01***55Bolt - Mount Cage To Transmission Case12
01***45Screw4
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (Reverse And Forward Carrier)
04***10Ring, Snap1
04***30Ring, Retaining1
04***80Ring, Retaining1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (Reverse And Forward Housing)
14***81Ring, Seal - Reverse Clutch2
14***20Plug1
14***90Spring? (L= 59.0),Return10
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (Transfer Filler)
Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (Transfer Output Shaft)
01***35Bolt, Mount Ground Driven Steering Pump8
01***20Bolt2
01***32Washer,(Not Used With Emergency Str.)8
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (Transfer) (1/3) (Transfer Case)
01***35Bolt, Mount Ground Driven Steering Pump11
01***32Washer,(Not Used With Emergency Str.)11
04***38Pin, Dowel1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (Transfer) (2/3) (Transfer Gear)
01***35Bolt,(Not Used With Rops Canopy)2
01***30Bolt,(Not Used When Towing Winch)6
01***35Bolt, Mount Ground Driven Steering Pump8
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (Transfer) (3/3) (Magnet And Flange)
01***30Bolt,(Not Used When Towing Winch)12
01***20Bolt,For Weight Adjusting Bolt2
01***32Washer,(Not Used With Emergency Str.)14
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (Transmission Cage)
04***28Pin, Dowel - Transmission Case, Pin-Dowel2
04***40Ring, Retaining1
04***00Ring, Retaining1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (Transmission Case)
01***25Bolt,(For Canvas Canopy?Head Guard)1
01***30Bolt,(With Body Positioner)1
01***35Bolt, Mount Ground Driven Steering Pump15
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (Transmission Gear)
04***25Ring, Retaining1
06***13Bearing,Ball1
42***40Spacer1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (Transmission Input Shaft)
07***53Ring, Seal1
42***11Shaft, Input1
(4***3)Transmission Ass'Y1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission (Transmission Piping)
07***12Gasket,Mechanical Pump Piping4
07***08Screw, Banjo Connector (M5)2
42***20Nipple,(D=4.0mm)2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission Control Valve (1/3) (Control Valve)
01***30Bolt,(With Body Positioner)1
01***60Bolt,(F4320-52a0 -5- )7
01***65Bolt - Return Line And Suction Linehose Clamps1
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission Control Valve (2/3) (Main Relief Valve)
01***65Bolt - Return Line And Suction Linehose Clamps4
01***32Washer,(With Auto Emergency Steering)4
07***30O-Ring,Transmission Case Mount5
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Komatsu : Wf550t-3a(S/N 50001-Up) : Torque Converter And Transmission : Transmission Control Valve (3/3) (Harness And Cover)
01***08Nut, Regular Hexagon (M10-1.50)5
01***32Washer,(With Auto Emergency Steering)5
08***14Band,(For Additional Fuel Strainer)1
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Work Equipment
Komatsu : Wf550t-3a(S/N 50001-Up) : Work Equipment : Blade
01***20Bolt,(Without Rops Guard? Canopy)2
01***25Bolt, Pinlock2
01***30Bolt - Pin Mounting2
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Komatsu : Wf550t-3a(S/N 50001-Up) : Work Equipment : Blade (For Power Tilt)
01***20Bolt,(Without Rops Guard? Canopy)1
01***60Bolt,Rear8
01***90Bolt6
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Komatsu : Wf550t-3a(S/N 50001-Up) : Work Equipment : Lift Cylinder
Komatsu : Wf550t-3a(S/N 50001-Up) : Work Equipment : Linkage
01***20Bolt,(Without Rops Guard? Canopy)3
01***30Bolt - Pin Mounting2
01***25Bolt,L.H. (For Add. Air Compressor)8
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Frequently asked questions

What engine does the Komatsu WF550T-3A use?

The Komatsu WF550T-3A uses a Komatsu diesel engine; specific model details vary by configuration and production year. Consult the machine's operation and maintenance manual for the exact engine designation and specifications.

What is the operating weight of the Komatsu WF550T-3A?

The operating weight of the Komatsu WF550T-3A is approximately 77,382 lb (35,100 kg), varying by configuration and attachment package.

What model replaced the Komatsu WF550T-3A?

The Komatsu WF550T-3A was succeeded by newer generations of compaction equipment in the Komatsu lineup, such as the WA series wheel loaders and updated compactor models. Specific replacement models vary by region and application.

Need a specific WF550T-3A(S/N 50001-UP) part?

Search live OEM part data, check fitment, and cross-reference alternatives with Heavy Parts AI.