Komatsu SK05J-1(S/N 0007-Up)
Komatsuwheel loadersmall ( - wa120 / sk*)

Komatsu SK05J-1(S/N 0007-Up)

Maintenance schedule, common problems & OEM parts breakdown

The Komatsu SK05J-1 is a compact skid steer loader manufactured from 1997 to 1999. It weighs approximately 1,750 kg (1.75 tons) with a rated operating capacity of 434 kg (956 lb). The machine features a 30.9 hp engine and a bucket capacity of 0.22 m³ (0.29 cu yd). It succeeded the original SK05J series and was followed by the SK05J-2 generation. Configurations included standard lift arms and various attachment options for municipal and landscaping use.

The SK05J-1 represents a transitional generation in Komatsu's compact equipment lineup, bridging the gap between early skid steer designs and modern Tier-compliant engines. Its significance in the used market lies in its durability and the availability of aftermarket support for its simple mechanical systems. The SK05J-1 is often sought for its compact footprint and reliable powertrain, making it a staple in tight-space applications where larger loaders cannot operate.

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 SK05J-1(S/N 0007-Up) specifications

Engine

ModelNot documented for this exact serial range — verify with your dealer
Gross/Net PowerNot documented for this exact serial range — verify with your dealer
DisplacementNot documented for this exact serial range — verify with your dealer
CylindersNot documented for this exact serial range — verify with your dealer
Emissions TierNot documented for this exact serial range — verify with your dealer

Weights

Operating Weight1,750 kg (3,858 lb)
Shipping WeightNot documented for this exact serial range — verify with your dealer
Ground PressureNot documented for this exact serial range — verify with your dealer

Dimensions

Transport LengthNot documented for this exact serial range — verify with your dealer
Transport WidthNot documented for this exact serial range — verify with your dealer
Transport HeightNot documented for this exact serial range — verify with your dealer
Wheelbase / Track GaugeNot documented for this exact serial range — verify with your dealer
Ground ClearanceNot documented for this exact serial range — verify with your dealer

Performance

Travel SpeedsNot documented for this exact serial range — verify with your dealer
Lift/Dig/Dump/DrawbarNot documented for this exact serial range — verify with your dealer
GradeabilityNot documented for this exact serial range — verify with your dealer

Service capacities (summary)

Fuel TankNot documented for this exact serial range — verify with your dealer
Hydraulic SystemNot documented for this exact serial range — verify with your dealer
Engine OilNot documented for this exact serial range — verify with your dealer
Cooling SystemNot documented for this exact serial range — verify with your dealer

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

Komatsu SK05J-1(S/N 0007-Up) maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil level.
  • Check hydraulic fluid level at sight glass.
  • Check coolant level and ensure cap is secure.
  • Drain water from fuel separator.
  • Check DEF level.
  • Check air filter restriction indicator.
Every 250 h
  • Change engine oil and filter.
  • Grease all points (bucket, linkage, steering, axle).
  • Check fluid levels.
  • Inspect air filter outer element.
  • Inspect belts and hoses.
  • Perform visual walk-around for leaks.
Every 500 h
  • Replace fuel filter.
  • Replace hydraulic return filter.
  • Service battery and terminals.
  • Test coolant SCA concentration.
  • Collect KOWA oil sample.
  • Inspect undercarriage/wheels for wear.
Every 1,000 h
  • Collect hydraulic oil sample.
  • Check final drive oil level.
  • Inspect turbocharger.
  • Measure wear on critical components.
  • Check valve adjustment.
  • Inspect structural welds and frame.
Every 2,000 h
  • Change hydraulic oil.
  • Flush and replace coolant.
  • Change transmission oil and filter.
  • Change axle oil (front and rear).
  • Change differential oil.
  • Comprehensive brake system inspection.

Servicing the SK05J-1(S/N 0007-Up) beyond the schedule

Predictive Maintenance & Fluid Analysis

Utilize Komatsu Oil/Fuel & Wear Analysis (KOWA) at every 500-hour interval to monitor engine wear metals and hydraulic contamination. Check coolant SCA concentration at 500 hours to prevent liner cavitation. Inspect the air filter restriction indicator daily; replace the outer element at 1,000 hours or when clogged. Monitor hydraulic oil viscosity and particle count during 1,000-hour sampling to detect pump or valve wear early. Use Komatsu Genuine Lubricants to maintain system integrity.

Corrective & Common Repairs

Address hydraulic hose leaks promptly, as high-pressure lines are prone to abrasion against the frame. Replace the fuel filter and drain the water separator every 500 hours to protect the injection system. Inspect the radiator and oil cooler fins daily for debris buildup that causes overheating. Check tire inflation and condition at 250-hour intervals to ensure stability and traction. Replace worn pins and bushings on the lift arm linkage to maintain bucket curl force and prevent excessive play.

Overhaul & Rebuild Points

Plan for major component overhaul around 10,000 hours. Inspect final drive gears and seals during the 2,000-hour service; replace axle oil to prevent gear wear. Evaluate the engine for compression loss and turbocharger shaft play at 5,000 hours. Check the hydraulic pump pressure and flow rates during the 2,000-hour service. Replace all hydraulic hoses and fittings if leakage becomes persistent. Inspect the articulation joint pins and bushings for wear to prevent frame damage.

Seasonal & Environment Servicing

In cold weather, use Komatsu Super Coolant AF-NAC and ensure the battery is fully charged. Drain the fuel water separator more frequently in humid conditions to prevent ice formation. In dusty environments, clean the air filter outer element every 250 hours and check the inner element at 1,000 hours. In high-temperature conditions, monitor coolant levels daily and clean the radiator fins to prevent overheating. Use appropriate viscosity hydraulic oil for extreme cold to ensure smooth valve operation.

SK05J-1(S/N 0007-Up) common service parts

Part numberPart
333307072Air Filter, AssemblyCheck fitment →
885141126Glass, Transmission Oil Filter CloggingCheck fitment →
YMR000114Filter, AssemblyCheck fitment →
YMR000115Element, AssemblyCheck fitment →
YMR000506Wrench, FilterCheck fitment →

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

SK05J-1(S/N 0007-Up) fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
CA115Engine crankshaft speed sensor failureBroken sensor, wiring issue, or connector corrosionReplace the speed sensor and verify voltage at the pin connector
CA111Internal engine controller faultECM hardware failureReplace or reprogram the ECM
CA441Battery voltage too lowWeak battery or charging system failureReplace the alternator or battery; check the voltage regulator
CA442Battery voltage too highAlternator overchargingReplace the alternator or battery; check the voltage regulator
AA10NXAir cleaner cloggingDirty or blocked air filter elementReplace the air filter
A570NXEngine oil filter cloggedBlocked oil filter elementReplace filter element
AB00KECharge voltage lowAlternator malfunction or loose beltReplace the alternator or tighten the belt
CA122Intake air pressure high voltageSensor malfunction or actual overpressureVerify the intake pressure sensor and wiring
CA123Intake air pressure low voltageSensor short or airflow restrictionCheck for a sensor short or an airflow restriction
CA153Intake air temperature sensor errorFaulty IAT sensorReplace or test the IAT sensor

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

SK05J-1(S/N 0007-Up) attachments & work tools

General Purpose Buckets

Standard earth-moving bucket for loose materials like sand and gravel. Typical capacity for this class is 0.22 m³ (0.29 yd³). Rated operating capacity is 434 kg (957 lb).

Light Material Buckets

Larger volume bucket designed for low-density materials such as mulch, leaves, or light wood chips. Capacity varies by configuration/series but exceeds standard earth buckets.

Heavy Duty Buckets

Reinforced bucket with extra wear plates and side cutters for abrasive materials like rock or demolition debris. Capacity is typically smaller than general purpose buckets to maintain structural integrity.

Quick Couplers

Hydraulic quick-attach system allowing rapid tool changes. Factory specifications require specific hydraulic kit arrangements to operate the coupler functions.

Hydraulic Kits

Required for powered attachments such as quick couplers, breakers, or augers. Kit includes hoses, valves, and mounting brackets specific to the SK05J-1(S/N 0007-Up) hydraulic circuit.

Ground Engaging Tools (GET)

Replaceable cutting edges, side cutters, and wear plates to protect the bucket structure. Available in standard and heavy-duty configurations depending on material abrasiveness.

All SK05J-1(S/N 0007-Up) assemblies by section

Every catalogued assembly group for the Komatsu SK05J-1(S/N 0007-Up). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Engine
Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Air Intake Manifold
87***04Motor, Assembly1
YM***01Gasket1
YM***65Heater1
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Camshaft And Driving Gear
87***04Motor, Assembly1
YM***85Bushing1
YM***07Screw2
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Cooling Water System
87***04Motor, Assembly1
YM***75Fan1
YM***08Rubber1
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Crankshaft And Piston
87***04Motor, Assembly1
YM***97Parallel Pin1
YM***03Bushing (Repair Part)3
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Cylinder Block
87***04Motor, Assembly1
YM***39Plug1
YM***61Gasket, Cylinder Head1
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Cylinder Head And Bonnet
87***04Motor, Assembly1
YM***08Screw6
YM***65Seal, Valve Exhaust3
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Engine Stop Device
87***04Motor, Assembly1
YM***00Bolt Plated4
YM***29Foot (A)1
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Exhaust Manifold
87***04Motor, Assembly1
YM***02Manifold, Exhaust1
YM***76Gasket1
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Flywheel Housing And Oil Sump
87***04Motor, Assembly1
YM***08Screw4
YM***99Support2
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Fuel Injection Line
87***04Motor, Assembly1
YM***85Pipe1
YM***83Pipe1
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Fuel Injection Pump
87***04Motor, Assembly1
YM***29Plug1
YM***24Camshaft1
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Fuel Piping
87***04Motor, Assembly1
YM***75Gasket2
YM***61Pipe2
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Gasket Set - Tool (Optional)
87***04Motor, Assembly1
YM***01Gasket1
YM***10Wrench1
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Gear Housing
87***04Motor, Assembly1
YM***96Pipe L=182
YM***07Screw6
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Generator
87***04Motor, Assembly1
YM***39Nut Assembly., Pulley1
YM***34Diode Assembly1
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Governor
87***04Motor, Assembly1
YM***26Spring1
YM***59Screw1
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Lubricating Oil Pump
87***04Motor, Assembly1
YM***74Gasket2
YM***73Oil Pressure Transmitter1
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Starter Motor
87***04Motor, Assembly1
YM***05Bearing (1)1
YM***30Shaft1
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Komatsu : Sk05j-1(S/N 0007-Up) : Engine : Thermostat
87***04Motor, Assembly1
YM***08Screw1
YM***78Plug1
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Excavator E26
Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Bucket (Tooth With Bolts Version)
20***85Bucket, L=300 mm1
20***86Bucket, L=400 mm1
20***87Bucket, L=250 mm1
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Bucket (Welded Tooth Version)
20***30Bucket, L=250 mm1
20***40Bucket, L=300 mm1
20***50Bucket, L=400 mm1
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Bucket Control Cylinder
86***07Fitting (Except Germany)1
86***04Fitting (Only For Germany)1
UE***64Bushing2
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Control Valve (1/3)
80***18Washer3
80***09Gasket1
80***12Gasket, Seal1
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Control Valve (2/3)
Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Control Valve (3/3)
80***12Gasket, Seal2
84***63Safety Valve, Assembly2
84***84Valve Assembly1
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Dipper Control Cylinder
86***07Fitting (Except Germany)1
86***04Fitting (Only For Germany)1
U2***5ACap1
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Excavation Group
80***24Screw2
80***92Dowel1
80***08Nut (With Stabilizers Only)12
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Excavation Group Hydraulic System
80***08Nut (With Stabilizers Only)3
UE***63Hose1
UE***62Hose1
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Fixed Frame And Sliding Plate
50***62Washer2
80***65Bolt4
80***13Bolt2
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Hydraulic Piping (Sliding Plate) (With Hydraulic Lock)
50***08Elbow (For Hydraulic Lock)2
50***17Union2
80***82Bolt12
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Hydraulic Piping Hammer (1/2)
20***49Fitting (For Hammer On Plate And On Excavator)1
20***50Body (For Hammer On Plate And On Excavator)1
20***52Fitting (For Hand Hammer)1
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Hydraulic Piping Hammer (2/2)
50***10Union1
50***47Union (For Hand Hammer)1
82***20Point1
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Lifting Control Cylinder
86***07Fitting (Except Germany)1
86***04Fitting (Only For Germany)1
UE***29Cap1
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Main Valve Control Hydraulic System
Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Main Valve Element For Hammer
80***93Screw2
84***92Spring1
84***01Kit, Docking, Assembly1
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Main Valve Support
80***46Bolt8
80***48Bolt1
80***97Bolt (For Disengagement Reduction Gear)1
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Rotation Group
20***07Housing1
20***11Rotation Group, Assembly1
80***94Bolt12
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Komatsu : Sk05j-1(S/N 0007-Up) : Excavator E26 : Stabilizers Control Cylinder
80***18Nut1
86***07Fitting (Except Germany)1
U2***3ACap1
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Machine And Optional Devices
Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Air Filter - Exhaust Silencer
33***68Muffler Support1
33***69Clamp, Upper1
33***70Clamp, Lower1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Arm - Bucket
20***82Frame1
20***39Pushrod1
20***11Pin2
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Auxiliary Hydraulic Kit Control Pedal
33***62Lever1
33***66Pedal1
33***67Support1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Brake Group
33***56Support1
33***50Lever, L.H1
33***51Lever, R.H1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Bucket Control Cylinder
20***38R.H. Cylinder, Assembly1
20***39R.H. Cylinder, Assembly1
20***01R.H. Cylinder1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Bucket Lifting Control Manipulator
84***55Ppc Valve, R.H1
84***52Washer8
84***56Shim, 0.100 mm0
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Cabin (1/3)
33***27Spacer (For Mounting Safety Valves)5
33***55Protection1
33***68Operator'S Cab, Assembly1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Cabin (2/3)
33***63Seat Belt, Assembly1
33***68Washer4
33***76Board, R.H1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Cabin (3/3)
33***74Support, L.H1
33***75Support, R.H1
33***77Guide, R.H1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Control Valve (1/2)
80***47Screw4
80***18Washer4
80***09Gasket1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Control Valve (2/2)
80***47Screw4
80***93Screw8
84***29Control Valve, Assembly1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Electrical Components
33***51Fuel Level1
50***68Bracket1
50***94Adaptor1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Engine-Pumps Group
20***15Rear Bracket2
20***78Support1
20***36Engine-Pump Support1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Equipment (Germany Version)
33***58Support1
80***47Bolt1
80***00Screw (Only For Germany)2
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Equipment Unloading Kit
20***48Coupling, Assembly. (For Hammer On Plate And On Excavator)1
20***49Fitting (For Hammer On Plate And On Excavator)1
20***50Body (For Hammer On Plate And On Excavator)1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Frame
20***95Window2
20***20Plug2
33***68Shim2
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Fuel Control Lever
20***00Pedal1
33***71Support1
33***80Pedal Lever1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Fuel Piping
20***44Fuel Tank1
20***57Plug, Assembly1
33***75Pipe1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Hydraulic Piping (Bucket Liftin Servo-Control)
20***42Union1
33***93Pipe1
33***00Block1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Hydraulic Piping (Bucket Lifting Cylinder)
20***30Fastener2
33***58Pipe1
33***59Pipe1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Hydraulic Piping (Bucket Tipping Cylinder)
20***30Fastener1
33***62Pipe1
33***63Pipe1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Hydraulic Piping (Delivery And Return Line) (1/2)
20***80Hose-Clamp1
33***02Valve1
33***76Pipe1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Hydraulic Piping (Delivery And Return Line) (2/2)
20***23Union1
20***40Indicator Oil Level1
20***90Pressure Take-Up1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Hydraulic Piping (Travel Ppc Line)
33***96Union1
33***97Union1
33***07Support2
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Hydraulic System Boom Loader Kit
20***51Coupling, Assembly. (For Hand Hammer)1
20***52Fitting (For Hand Hammer)1
20***53Body (For Hand Hammer)1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Instrumentation
33***03Dashboard1
35***53Wrench2
80***60Screw4
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Lifting Control Cylinder
20***37Cylinder, Assembly2
20***01Cylinder1
39***01Piston Rod1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Radiator - Heat Excangeur Group
20***12Support, R.H1
20***13Support, L.H1
33***77Protection1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Rear Door
Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Road Homologation - Work Light (1/2)
33***03Support (Version A)1
33***13Plate2
80***25Bolt4
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Road Homologation - Work Lights (2/2)
33***00Support1
33***52Protection, Tooth1
33***58Support1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Safety Bars
33***28Bushing2
33***66Plate R.H1
33***67Plate L.H1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Safety Valve (1/2)
20***50Clamp1
33***02U-Bolt2
33***03Support2
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Safety Valve (2/2)
33***55Pipe1
33***56Pipe1
33***57Pipe1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Self-Levelling Valve : Unit_01_of_02
84***01Valve, Assembly1
84***01Plug3
84***02Spring1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Self-Levelling Valve : Unit_02_of_02
84***63Valve, Assembly1
84***25Valve1
84***26O-Ring2
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Shovel Connection Devices
33***51R.H. Lock1
33***52L.H. Lock1
33***54Connecting Rod2
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Tools - Mark Plate
30***38Plate ?Fai Komatsu?2
33***06Plate, Max. Speed (Only For Germany)3
33***54Tools Bag1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Translation Control Manipulator
84***57Ppc Valve, L.H., Assembly1
84***52Washer8
84***56Shim, 0.100 mm0
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Transmission
20***13Crown Wheel4
20***30Chain Stretcher4
33***58Chain2
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Transmission Hydraulic Motor
84***04Hydraulic Motor2
84***01Gasket1
84***02Kit, Gasket1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Transmission Hydraulic Pump (1/2)
84***82Pump, Assembly1
84***28Relief Valve2
84***31Gasket1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Transmission Hydraulic Pump (2/2)
84***82Pump, Assembly1
84***28Relief Valve2
84***31Gasket1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Transmission Hydraulic System
33***53Union1
33***92Pipe1
33***94Union1
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Wheels
33***50Rim (7jx15")4
33***51Rim (5jx12) (Optional)4
50***09Stud24
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Komatsu : Sk05j-1(S/N 0007-Up) : Machine And Optional Devices : Wire Assembly
33***24Plate1
33***61Front Wiring Harness, L.H. (Optional)1
33***01Rubber1
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Frequently asked questions

What engine does the SK05J-1 use?

The Komatsu SK05J-1 is equipped with a 30.9 hp engine.

What is the operating weight of the SK05J-1?

The operating weight is approximately 1.75 tons (1,750 kg).

What model replaced the SK05J-1?

The SK05J-1 was succeeded by the SK05J-2 generation.

Need a specific SK05J-1(S/N 0007-Up) part?

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