Komatsuengine(no series)

Komatsu SA12V140-1U(S/N 11640-UP)

Maintenance schedule, common problems & OEM parts breakdown

The Komatsu SA12V140-1U engine (S/N 11640-UP) is a 12-cylinder, 30.5-liter water-cooled, turbocharged, and aftercooled diesel unit. It delivers flywheel horsepower ranging from 770 to 808 hp at 2,000 rpm. This engine powers heavy-duty machinery including the D475A-2 bulldozer, WA800-2 and WA800-3 wheel loaders, and HD1200M-1 rigid dump trucks. It features a 140 mm bore and 165 mm stroke with a dry weight of approximately 3,100 to 3,300 kg. The unit utilizes a Bosch PE-P or Zexel electronic control fuel injection pump and is designed for high-output applications in construction and mining.

The SA12V140-1U represents a specific serial range within the broader SA12V140-1 series, distinguished by its governor type and emission configuration relative to earlier variants like the SA12V140-1A. While later generations introduced electronic common-rail systems for emissions compliance, the SA12V140-1U retains mechanical jerk-pump injection. This mechanical simplicity, combined with shared powertrain and axle components across the SA12V140Z-1 build blocks, makes it highly relevant in the used-truck and aftermarket parts market. Buyers value its predictable rebuild costs and parts interchangeability over the complex electronic diagnostics found in newer models.

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 SA12V140-1U(S/N 11640-UP) specifications

Engine

ModelSA12V140-1
ConfigurationV-type 12-cylinder, water-cooled, 4-cycle, turbocharged and aftercooled
Displacement30.5 L (30,480 cc)
Bore x Stroke140.0 mm x 165.0 mm
Firing OrderR1 — L1 — R5 — L5 — R3 — L3 — R6 — L6 — R2 — L2 — R4 — L4
Gross/Net Power574 kW (770 HP) @ 2,000 rpm (Net); 588 kW (789 HP) @ 2,000 rpm (Net); 603 kW (808 HP) @ 2,000 rpm (Net) — varies by configuration/series
Governor TypeBOSCH PE-P (PS7S) type; ZEXEL electronic control type — varies by configuration/series
Emissions TierNot documented for this exact serial range — verify with your dealer

Weights

Dry Weight3,100 kg (6,834 lb); 3,300 kg (7,275 lb) — varies by configuration/series
Operating WeightNot documented for this exact serial range — verify with your dealer
Ground PressureNot published

Dimensions

Overall Length1,715 mm (5 ft 7.5 in); 2,000 mm (6 ft 6.7 in) — varies by configuration/series
Overall Width1,450 mm (4 ft 9 in); 1,515 mm (4 ft 11.6 in) — varies by configuration/series
Overall Height (excluding exhaust pipe)1,475 mm (4 ft 10 in); 2,000 mm (6 ft 6.7 in) — varies by configuration/series
Overall Height (including exhaust pipe)1,592 mm (5 ft 2.7 in)
Transport Length/Width/HeightNot documented for this exact serial range — verify with your dealer
Wheelbase or Track GaugeNot published
Ground ClearanceNot published

Performance

Travel SpeedsNot documented for this exact serial range — verify with your dealer
Torque3,350 Nm (2,472 lbf-ft) @ 1,400 rpm; 3,730 Nm (2,751 lbf-ft) @ 1,400 rpm; 4,090 Nm (3,016 lbf-ft) @ 1,300 rpm; 4,170 Nm (3,077 lbf-ft) @ 1,500 rpm; 3,820 Nm (2,817 lbf-ft) @ 1,250 rpm — varies by configuration/series
High Power Mode627 kW (840 HP) @ 2,000 rpm (Net); 636 kW (853 HP) @ 2,000 rpm (Net)
Economy Mode783 kW (1,050 HP) @ 2,100 rpm (Net); 753 kW (1,010 HP) @ 2,100 rpm (Net)
GradeabilityNot published

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 Oil (Refill Capacity)80 L (21 US gal); 88 L (23 US gal); 92 L (24 US gal); 95 L (25 US gal); 102 L (27 US gal); 103 L (27 US gal) — varies by configuration/series
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.

SA12V140-1U(S/N 11640-UP) fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)88-132 L (23-35 US gal) total system volume; 80-120 L (21-32 US gal) refill capacityKomatsu Genuine EO diesel engine oil. EO10W30-LA or EO15W40-LA for emissions-controlled builds; EO10W30-DH or EO15W40-DH for earlier builds. Select grade by ambient temperature per OMM viscosity chart (10W30 for cold climates, 15W40 for warm climates).
Cooling systemNot documented for this exact engine/truck combination in available sources.Komatsu Super Coolant (AF-NAC or AF-ACL type), pre-mixed ethylene-glycol coolant with corrosion inhibitors. Concentration adjusted by climate per OMM coolant chart.
Fuel tankNot documented for this specific engine grouping in available sources.Ultra-low-sulfur diesel fuel meeting the SA12V140Z-1 engine specification. Use winter-grade blend in cold climates per OMM.
Transmission/powertrain compartmentsNot documented for this specific engine grouping in available sources.Komatsu Genuine TO powertrain oil. TO10 (SAE 10W, API CD) for cold-climate service; TO30 (SAE 30W, API CD) for standard/warm-climate service.
Final drives (each)Not documented for this specific engine grouping in available sources.Komatsu Genuine AXO axle/final-drive oil (AXO46 or AXO80, SAE 80W, API GL-4). Grade selected by ambient temperature per OMM chart.
Hydraulic system and tankNot documented for this specific engine grouping in available sources.Komatsu Genuine HO hydraulic oil. HO46-HM (ISO VG46) for standard/warm climates; HO56-HE (ISO VG56, SAE 5W-30 equivalent) for cold-climate service.
Grease (spec only)Spec only - no fill quantity applies.Komatsu Genuine G2-LI multipurpose lithium EP grease.

Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.

Komatsu SA12V140-1U(S/N 11640-UP) maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil level and condition.
  • Check hydraulic fluid level via sight glass.
  • Check coolant level and ensure cap is secure.
  • Drain water from fuel separator.
  • Check air filter restriction indicator.
  • Inspect hydraulic hoses for cracks or leaks.
Every 250 h
  • Change engine oil and filter.
  • Inspect air cleaner element.
  • Check fuel system components.
  • Check hydraulic system components.
  • Inspect undercarriage rollers, sprockets, and idlers.
  • Grease all lubrication points.
Every 500 h
  • Inspect hydraulic oil condition.
  • Replace hydraulic filters.
  • Check fuel system integrity.
  • Verify cooling system operation.
  • Perform detailed undercarriage inspection.
  • Check battery terminals and load.
Every 1,000 h
  • Change hydraulic oil.
  • Inspect engine air filter.
  • Check swing machinery components.
  • Check travel system components.
  • Inspect exhaust system.
  • Inspect electrical wiring for wear.
Every 2,000 h
  • Replace hydraulic hoses.
  • Flush and replace coolant.
  • Inspect final drives.
  • Replace hydraulic oil.
  • Inspect pump system.
  • Check structural welds.

Servicing the SA12V140-1U(S/N 11640-UP) beyond the schedule

Predictive Maintenance & Fluid Analysis

Utilize Komatsu Oil Wear Analysis (KOWA) at every major service interval to monitor wear metals (iron, copper, lead, aluminum) and contaminants (silicon, sodium) in the engine oil. Check hydraulic fluid particle count and viscosity to detect pump or valve wear early. Test coolant pH, SCA concentration, and glycol content to prevent corrosion in the 30.5-liter displacement block. Monitor fuel dilution and soot levels to maintain oil integrity under the 770-808 hp load.

Corrective & Common Repairs

Address fuel waxing in cold climates by using correct Komatsu EO viscosity grade and verifying coolant protection with Super Coolant AF-NAC or AF-ACL. Inspect the Bosch PE-P or Zexel electronic control fuel injection pump for leaks or calibration drift. Check turbocharger condition and aftercooler efficiency to maintain rated horsepower. Replace worn hydraulic hoses and inspect electrical wiring for chafing near the exhaust manifold to prevent shorts.

Overhaul & Rebuild Points

Plan inframe overhauls based on cylinder liner wear (140 mm bore) and piston ring clearance. Replace piston assemblies and pin bushings when wear exceeds limits. Inspect the crankshaft main bearings and rod bearings for scoring. Check the cylinder head gasket and valve seats for leakage. Verify camshaft lobe wear and injector nozzle spray patterns to ensure proper combustion and fuel efficiency at 2,000 rpm.

Seasonal & Environment Servicing

In cold weather, ensure the mechanical jerk-pump injection system receives high-quality fuel resistant to waxing. Use Komatsu Super Coolant AF-NAC or AF-ACL for adequate freeze protection. In dusty environments, clean the air filter outer element frequently and check the restriction indicator daily. Inspect the radiator and oil cooler fins for debris buildup to prevent overheating during high-load operations in the D475A-2 or WA800 series.

SA12V140-1U(S/N 11640-UP) common service parts

Part numberPart
600-311-7111Cartridge,Fuel FilterCheck fitment →
6215-71-6201Fuel Filter Ass'YCheck fitment →
09637-30163Plate? Instruction,Air Cleaner (Single Element)Check fitment →
09637-81163Plate? Instruction,Air Cleaner Element MainteCheck fitment →
07000-02080O-Ring,Hydraulic Oil FilterCheck fitment →

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

SA12V140-1U(S/N 11640-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 overcharging or regulator failureReplace the alternator or battery; check the voltage regulator
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
CA451Common rail pressure sensor feedback value too highFuel rail sensor malfunction or actual overpressureDiagnose the fuel rail pressure sensor or pump lines
CA452Common rail pressure sensor feedback value too lowFuel rail sensor malfunction or low pressureDiagnose the fuel rail pressure sensor or pump lines
CA234Engine overspeedThrottle calibration error, engine load cycle issue, or operator misuseVerify throttle calibration, engine load cycle, or operator misuse
CA2311IMV solenoid valve failureSolenoid malfunction or wiring harness issueReplace the IMV solenoid or inspect the wire harness

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

SA12V140-1U(S/N 11640-UP) attachments & work tools

Wheel Loader Attachments

The SA12V140-1U engine powers the WA800-2 and WA900-1 wheel loader series. Factory configurations include standard bucket couplers and hydraulic quick-attach systems compatible with the WA800-2 and WA900-1 frame mounts. Typical bucket capacities for this class range from 3.0 to 5.0 cubic meters, varying by material density and specific machine configuration.

Rigid Hauler Attachments

The SA12V140-1U engine is used in the HD785-3, HD785-5, HD985-3, and HD985-5 rigid dump trucks. These machines utilize a fixed, high-strength steel dump body with no user-swappable work tools. Guarding options include factory-installed rock shields and underbody protection kits specific to the HD785 and HD985 chassis series.

Generator Set Configurations

The SA12V140-1U engine drives the EG750B-1L generator set. This configuration includes a factory-mounted alternator and control panel interface. No external work tools are attached; the primary interface is the electrical output coupling and exhaust system routing.

Hydraulic System Compatibility

Work tools for WA800-2 and WA900-1 loaders require high-flow hydraulic circuits. The engine drives the main hydraulic pump, which supplies pressure to the quick-attach coupler and auxiliary hydraulic lines. Fluid specifications require Komatsu EO or equivalent high-viscosity hydraulic oil for the powertrain and hydraulic systems.

All SA12V140-1U(S/N 11640-UP) assemblies by section

Every catalogued assembly group for the Komatsu SA12V140-1U(S/N 11640-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Engine
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : After Cooler Water Piping (Cold Terrain Spec.) (Except Japan)(#11755-12773)
01***20Bolt,(For Mono Lever Steering)4
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***35Bolt,(F4320-52a0 -5 )2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : After Cooler Water Piping (Cold Terrain Spec.) (Except Japan)(#12774-)
01***20Bolt,(For Mono Lever Steering)4
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***35Bolt,(F4320-52a0 -5 )2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Compressor (Front) (Inner Parts)(#11755-)
62***01Air Compressor A.,(See Fig.A7010-D7a3)1
DK***40Gasket,Air Compressor1
DK***40Gasket,Air Compressor1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Compressor (Rear) (Inner Parts)(#11755-)
62***01Air Compressor A.,(See Fig.A7010-E7a3)1
DK***40Gasket,Air Compressor1
DK***40Gasket,Air Compressor1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Compressor And Mounting(#11755-)
01***35Bolt, Mount Ground Driven Steering Pump2
01***45Bolt, Mounting Cranking Motor2
01***95Capscrew - M123
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Compressor Gasket Kit(#11755-)
07***00O-Ring (K8)2
07***00O-Ring,(For Dual Water Pump)2
07***19Gasket,(For Hd325-6) (See Fig.A7010)11
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Compressor Piping (1/2)(#11755-)
01***35Bolt,(For Fix Position)1
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***50Bolt,(Spark Arrester Spec.)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Compressor Piping (2/2)(#11755-)
01***45Screw1
01***50Bolt,For Weight Adjusting Bolt1
01***35Bolt1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Intake Manifold And After Cooler (1/2) (L.H. Bank) (Cold Terrain Spec.) (Except Japan)(#11755-12773)
01***00Bolt,(For Front Brake Release)9
01***10Bolt,(With Joy Stick Steering)3
01***60Bolt11
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Intake Manifold And After Cooler (1/2) (L.H. Bank) (Cold Terrain Spec.) (Except Japan)(#12774-)
01***00Bolt,(For Front Brake Release)9
01***10Bolt,(With Joy Stick Steering)3
01***60Bolt11
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Intake Manifold And After Cooler (1/2) (L.H. Bank) (For Electrical Governor)(#11755-)
01***00Bolt,(For Front Brake Release)9
01***10Bolt,(With Joy Stick Steering)3
01***60Bolt11
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Intake Manifold And After Cooler (2/2) (R.H. Bank) (Cold Terrain Spec.) (Except Japan)(#11755-12773)
01***00Bolt,(For Front Brake Release)8
01***10Bolt,(With Joy Stick Steering)4
01***60Bolt9
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Intake Manifold And After Cooler (2/2) (R.H. Bank) (Cold Terrain Spec.) (Except Japan)(#12774-)
01***00Bolt,(For Front Brake Release)8
01***10Bolt,(With Joy Stick Steering)4
01***60Bolt9
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Intake Manifold And After Cooler (2/2) (R.H. Bank) (For Electrical Governor)(#11755-)
01***00Bolt,(For Front Brake Release)9
01***10Bolt,(With Joy Stick Steering)3
01***60Bolt9
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Vent(#11755-11883)
01***30Bolt,(With Body Positioner)1
01***30Bolt, Mount Control Valve8
01***10Bolt,(With Joy Stick Steering)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Vent(#11884-12236)
01***30Bolt,(With Body Positioner)1
01***30Bolt, Mount Control Valve8
01***10Bolt,(With Joy Stick Steering)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Air Vent(#12237-)
01***30Bolt,(With Body Positioner)1
01***30Bolt, Mount Control Valve8
01***10Bolt,(With Joy Stick Steering)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Alternator (50a) (Inner Parts)(#11755-)
60***21Alternator A. (50a),(With Hardening Pulley)1
SD***X0Coil Assembly1
SD***X0Washer1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Alternator (75a) (Inner Parts)
60***30Alternator A. (75a)1
SD***X0Coil Assembly1
SD***X0Washer1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Alternator (90a) (Inner Parts)(#12106-)
60***30Alternator A. (90a)1
KD***02Bolt4
KD***02Washer,Spring5
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Alternator Drive (For 50a And 75a)
01***16Bolt - Seat And Tether Belt Mounting6
01***30Bolt,(Not Used When Towing Winch)2
01***90Bolt,For Weight Adjusting Bolt1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Alternator Drive (For 90a Alternator)(#11640-12105)
01***16Bolt - Seat And Tether Belt Mounting6
01***30Bolt,(Not Used When Towing Winch)2
01***90Bolt,For Weight Adjusting Bolt1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Alternator Drive (For 90a)(#12106-)
01***16Bolt - Seat And Tether Belt Mounting6
01***30Bolt,(Not Used When Towing Winch)2
01***90Bolt,For Weight Adjusting Bolt1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Alternator Mounting (50a)(#11755-)
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***30Bolt,(With Body Positioner)6
01***20Bolt,For Weight Adjusting Bolt1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Alternator Mounting (75a)
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***30Bolt,(With Body Positioner)6
01***20Bolt,For Weight Adjusting Bolt1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Alternator Mounting (90a)(#11640-12105)
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***30Bolt,(With Body Positioner)6
01***55Bolt - Mount Cage To Transmission Case1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Alternator Mounting (90a)(#12106-)
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***30Bolt,(With Body Positioner)6
01***55Bolt - Mount Cage To Transmission Case1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Amplifier (Vhms Spec.)(#11755-)
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Blowby Sensor (For Electrical Governor) (Vhms Spec.) (R.H. Bank)(#13163-)
01***20Bolt,See Fig. K4010-11a02
01***16Bolt - Starting Motor Ground Cable2
01***45Bolt, Bracket Mounting1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Breather (For Electrical Governor)(#11755-11948)
01***30Bolt,(With Body Positioner)1
01***40Bolt (Op)4
01***20Bolt,(Without Rops Guard? Canopy)3
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Breather And Front Seal (For Electrical Governor) (Vhms Spec.) (L.H. Bank)(#11755-13162)
01***16Bolt, Battery To Frame Ground Wire Attaching1
01***40Bolt (Op)2
01***85Bolt, Divider Valve Mounting2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Breather And Front Seal (For Electrical Governor) (Vhms Spec.) (L.H. Bank)(#13163-)
01***30Bolt,(With Body Positioner)1
01***40Bolt (Op)2
01***20Bolt,(Without Rops Guard? Canopy)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Breather And Front Seal (For Electrical Governor) (Vhms Spec.) (R.H. Bank)(#11755-)
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***40Bolt (Op)2
01***20Bolt,(Without Rops Guard? Canopy)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Breather And Front Seal (For Electrical Governor)(#11949-12743)
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***30Bolt,(With Body Positioner)1
01***40Bolt (Op)4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Breather And Front Seal (For Electrical Governor)(#12744-)
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***30Bolt,(With Body Positioner)1
01***40Bolt (Op)4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Breather And Front Seal(#11949-12743)
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***30Bolt,(With Body Positioner)1
01***40Bolt (Op)4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Breather And Front Seal(#12744-)
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***30Bolt,(With Body Positioner)1
01***40Bolt (Op)4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Breather(#11755-11948)
01***30Bolt,(With Body Positioner)1
01***40Bolt (Op)4
01***20Bolt,(Without Rops Guard? Canopy)3
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Bypass Filter (For Hd785-5 And Hd985-5)(#11755-11772)
01***30Bolt,(With Body Positioner)1
01***85Bolt, Divider Valve Mounting2
07***23O-Ring,(For Shipping) (K6)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Bypass Filter (For Hd785-5 And Hd985-5)(#11773-12363)
01***30Bolt,(With Body Positioner)1
01***85Bolt, Divider Valve Mounting2
07***23O-Ring,(For Shipping) (K6)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Bypass Filter (For Hd785-5 And Hd985-5)(#12364-)
01***30Bolt,(With Body Positioner)1
01***85Bolt, Divider Valve Mounting2
07***23O-Ring,(For Shipping) (K6)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Camfollower And Tachometer Drive Shaft(#11949-)
01***85Bolt (M10-1.50x85)2
01***80Bolt (M12-2.00x80)12
01***80Bolt (M10-1.50x80)34
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Camfollower Cover
01***20Bolt,(For Japan Pc200)70
07***12Gasket,(Without Air Compressor Type) (K2)48
62***20Cover,Camfollower12
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Camfollower Cover (For Electrical Governor)(#11755-)
01***20Bolt,(For Japan Pc200)62
07***12Gasket,(Without Air Compressor Type) (K2)45
62***20Cover,Camfollower12
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Camfollower(#11949-)
04***12Ring, Retaining48
61***20Ball1
62***00Lever, Cam Follower24
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Camshaft And Camfollower (For Electrical Governor)(#11755-11948)
01***20Bolt (M12-1.75x20)4
04***25Key, Plain Woodruff1
04***12Ring, Retaining48
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Camshaft And Camfollower(#11755-11948)
01***20Bolt (M12-1.75x20)4
04***25Key, Plain Woodruff1
04***12Ring, Retaining48
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Camshaft And Gear(#11949-)
01***20Bolt (M12-1.75x20)4
04***25Key, Plain Woodruff1
62***20Gear, Camshaft (Left Hand)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cooling Fan (Tropical Spec.)(#11755-)
01***00Bolt,For Weight Adjusting Bolt6
01***32Washer,(Not Used With Emergency Str.)6
60***00Fan,Cooling1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cooling Fan(#11755-)
01***35Bolt, Mount Ground Driven Steering Pump6
01***32Washer,(Not Used With Emergency Str.)6
60***50Fan,Cooling1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cooling System Piping(#11755-11883)
01***75Bolt,(For 75a Alternator)4
01***35Bolt,(F4320-52a0 -5 )2
01***30Bolt,(Not Used When Towing Winch)4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cooling System Piping(#11884-12236)
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cooling System Piping(#12237-)
01***75Bolt,(For 75a Alternator)4
01***35Bolt,(F4320-52a0 -5 )2
01***30Bolt,(Not Used When Towing Winch)4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Corrosion Resistor
01***35Bolt,(F4320-52a0 -5 )2
07***06O-Ring,Corrosion Resistor1
07***14O-Ring,(F4350-63a1a-2 )1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Coupling (For Electrical Governor) (For Ec Regulation) (Inner Parts)(#11794-)
01***25Bolt,(Without Rops Guard? Canopy)6
01***35Bolt, Mount Ground Driven Steering Pump2
65***01Coupling Ass'Y2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Crank Pulley
04***24Pin,Dowel (For No.3 Housing)1
61***21Bolt6
62***30Pulley? Hardening1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Crank Pulley (Toropical Spec.)(#11755-)
04***24Pin,Dowel (For No.3 Housing)1
61***21Bolt6
62***70Pulley? Hardening1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Crankshaft
04***28Key, Plain Woodruff1
62***01Main Metal Ass'Y1
62***11Main Metal Ass'Y,No.1?2?3?5?6?76
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cylinder Block (For Electrical Governor)(#11755-11948)
01***20Bolt12
01***25Screw12
01***16Washer,(With Water Separator)12
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cylinder Block Blind Cover (Water Cool Spec.) (For Hd785-5)(#11949-)
01***25Bolt,(Without Rops Guard? Canopy)26
08***05Switch,Engine Oil Pressure1
62***10Cover, Water Header2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cylinder Block Blind Cover (Water Cool Turbo Spec.) (For Hd785-5)(#11949-)
01***25Bolt,(Without Rops Guard? Canopy)22
01***35Bolt, Mount Ground Driven Steering Pump4
08***05Switch,Engine Oil Pressure1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cylinder Block Cover (For Electrical Governor)(#11755-11948)
01***25Bolt,(Without Rops Guard? Canopy)26
62***10Cover, Water Header2
62***81Gasket, Water Header Cover3
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cylinder Block Cover(#11755-11948)
01***25Bolt,(Without Rops Guard? Canopy)22
01***35Bolt, Mount Ground Driven Steering Pump4
62***10Cover, Water Header2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cylinder Block Gasket Kit(#11755-)
07***12O-Ring, Between Valve And Pump1
07***15O-Ring,(Without Boom Kickout)2
07***21O-Ring,Water Piping2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cylinder Block Related Parts (For Electrical Governor)(#11949-)
01***25Bolt,(Without Rops Guard? Canopy)26
07***08Plug,(Without Auto Priming System)1
62***10Cover, Water Header2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cylinder Block Related Parts (With Tachometer Drive)(#11949-)
01***25Bolt,(Without Rops Guard? Canopy)22
01***35Bolt, Mount Ground Driven Steering Pump4
07***08Plug,(Without Auto Priming System)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cylinder Block(#11755-11948)
01***20Bolt12
01***25Screw12
01***16Washer,(With Water Separator)12
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cylinder Block(#11949-)
01***25Screw12
01***16Washer,(With Water Separator)12
01***60Washer,(Without Rops Guard? Canopy)14
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cylinder Head Gasket Kit(#11755-)
02***75O-Ring,(See Fig.A1310)8
07***21O-Ring,Water Piping24
07***25O-Ring,Corrosion Resistor5
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Cylinder Head(#11755-)
01***16Bolt,(For Shipping)12
01***20Bolt (M10-1.75x120)12
04***20Pin,Dowel (Welded)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Damper
01***35Bolt, Mount Ground Driven Steering Pump12
01***32Washer,(Not Used With Emergency Str.)12
04***24Pin,Dowel (For No.3 Housing)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Electrical Wiring (For Electrical Governor) (For Ec Regulation)(#11755-)
01***25Bolt,(Without Rops Guard? Canopy)4
01***16Bolt, Mount Solenoid Valve8
01***16Bolt - Starting Motor Ground Cable4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Electrical Wiring (For Electrical Governor) (Harness Heavy Duty Type)(#11755-)
01***25Bolt,(Without Rops Guard? Canopy)4
01***16Bolt, Mount Solenoid Valve8
01***16Bolt - Starting Motor Ground Cable4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Electrical Wiring (For Electrical Governor)(#11755-)
01***25Bolt,(Without Rops Guard? Canopy)4
01***16Bolt, Mount Solenoid Valve8
01***16Bolt - Starting Motor Ground Cable4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Electrical Wiring (For Mechanical Gouernor)(#11755-)
01***85Bolt, Divider Valve Mounting1
01***25Bolt,(Without Rops Guard? Canopy)2
01***16Bolt, Mount Solenoid Valve4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Engine Support And Bracket(#11755-)
01***50Bolt, Fuel Tank Mounting - Front Left8
01***50Bolt - Differential Carrier8
01***60Flat Washer - M20 (Hardened)8
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Exhaust Brake (Inner Parts)(#11755-11807)
62***01Exhaust Brake Ass'Y2
JK***22Seal,Ring2
JK***05Nut1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Exhaust Brake (Inner Parts)(#11808-12623)
62***02Exhaust Brake Ass'Y2
JK***48Screw2
JK***66Bolt2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Exhaust Brake (Inner Parts)(#12624-13122)
62***02Exhaust Brake Ass'Y2
JK***48Screw2
JK***66Bolt2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Exhaust Brake (Inner Parts)(#13123-)
62***02Exhaust Brake Ass'Y2
MY***18Brake Valve Ass'Y1
MY***07Cover1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Exhaust Brake And Mounting(#11755-)
01***25Bolt,Joint8
01***35Capscrew4
01***40Capscrew8
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Exhaust Manifold
01***95Bolt48
61***50Stud, Mounting4
62***81Gasket, Exhaust Manifold12
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Exhaust Manifold (Vhms Spec.)(#11755-)
01***95Bolt48
08***12Clip2
61***20Clip,(For D57sr)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fan Drive (Tropical Spec.)(#11755-)
01***35Bolt,(For Pedal Steering)2
01***35Bolt2
01***40Bolt,For Weight Adjusting Bolt8
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fan Drive(#11755-)
01***35Bolt,(For Pedal Steering)2
01***35Bolt2
01***35Bolt, Mount Ground Driven Steering Pump6
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fan Pulley
01***35Bolt, Mount Ground Driven Steering Pump6
62***90V-Belt Set1
62***60Pulley? Hardening1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Flywheel Housing
01***30Screw3
01***65Bolt,L.H14
01***30Bolt, Tank Mounting3
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Flywheel Housing (For Electrical Governor)(#11755-)
01***30Screw3
01***65Bolt,L.H14
01***30Bolt, Tank Mounting3
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Flywheel(#11755-)
01***60Bolt (M20-1.50x60)10
61***20Washer, Plain (M20)10
62***00Flywheel Ass'Y1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Front Cover (For Electrical Governor)(#11755-11948)
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***75Bolt - Tube Mounting7
01***90Bolt,For Weight Adjusting Bolt3
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Front Cover(#11755-11948)
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***75Bolt - Tube Mounting7
01***90Bolt,For Weight Adjusting Bolt3
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Front Cover(#11949-)
01***75Bolt - Tube Mounting7
01***90Bolt,For Weight Adjusting Bolt3
01***30Bolt,For Weight Adjusting Bolt9
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Controller (For Hd785-5) (High Altitude Spec.)(#13101-)
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Controller (For Hd785?Hd985-5) (High Altitude Spec.)(#13101-)
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Controller (Forwarded Individually Parts)(#11755-11766)
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Controller (Forwarded Individually Parts)(#11767-)
78***01Controller1
78***02Controller1
78***03Controller1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Filter (For Electrical Governor)(#11755-12363)
07***12Gasket,Mechanical Pump Piping1
60***11Cartridge,Fuel Filter2
61***31Plug,(Not Shown)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Filter(#11755-12363)
07***12Gasket,Mechanical Pump Piping1
60***11Cartridge,Fuel Filter2
61***31Plug,(Not Shown)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Filter(#12364-)
07***12Gasket,Mechanical Pump Piping1
60***11Cartridge,Fuel Filter2
61***31Plug,(Not Shown)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Nozzle And Spill Pipe(#11755-)
01***20Capscrew12
07***21O-Ring,Oil Cooler Pipe24
07***21Seal, O-Ring12
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Coupling) (For Electrical Governor) (Inner Parts)
01***25Bolt,(Without Rops Guard? Canopy)6
01***35Bolt, Mount Ground Driven Steering Pump2
65***01Coupling Ass'Y2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Coupling) (L.H.) (For Mechanical Governor) (Inner Parts)(#11755-)
DK***00Coupling1
DK***00Bolt6
DK***00Coupling,Cross1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Coupling) (R.H.) (For Mechanical Governor) (Inner Parts)(#11755-)
DK***00Coupling1
DK***00Bolt6
DK***00Coupling,Cross1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Feed Pump) (L.H.) (For Mechanical Governor) (Inner Parts)(#11755-)
DK***20Bolt, Joint1
DK***00Valve,Check4
DK***20Housing1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Feed Pump) (R.H.) (For Mechanical Governor) (Inner Parts)(#11755-)
DK***20Bolt, Joint1
DK***00Valve,Check4
DK***20Housing1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (L.H.) (1/2) (For Electrical Governor) (Inner Parts)
01***45Bolt4
01***80Bolt6
01***80Bolt6
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (L.H.) (1/2) (For Mechanical Governor) (Inner Parts)(#11755-)
DK***00Gasket1
DK***00Gear1
DK***00Shim? 2.00mm,(High Altitude Spec.)0
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (L.H.) (1/2)(For Electrical Governor)(Ec Regulation)(Inner Parts)(#11794-)
01***45Bolt4
01***80Bolt6
01***80Bolt6
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (L.H.) (2/2) (For Electrical Governor) (Inner Parts)
01***30Bolt (Itl)1
01***80Bolt2
01***30Bolt1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (L.H.) (2/2) (For Mechanical Goverrnor) (Inner Parts)(#11755-)
DK***80Shim? 0.5mm0
DK***40Gasket,Air Compressor4
DK***40Bolt4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (L.H.) (2/2)(For Electrical Governor)(For Ec Regulation)(Inner Parts)(#11794-)
01***30Bolt (Itl)1
01***80Bolt2
01***30Bolt1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (R.H.) (1/2) (For Electrical Governor) (Inner Parts)
01***45Bolt4
01***80Bolt6
01***80Bolt6
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (R.H.) (1/2)(For Electrical Governor)(For Ec Regulation)(Inner Parts)(#11794-)
01***45Bolt4
01***80Bolt6
01***80Bolt6
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (R.H.) (2/2) (For Electrical Governor) (Inner Parts)
01***30Bolt (Itl)1
01***80Bolt2
01***30Bolt1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (R.H.) (2/2)(For Electrical Governor)(For Ec Regulation)(Inner Parts)(#11794-)
01***30Bolt (Itl)1
01***80Bolt2
01***30Bolt1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (L.H.) (1/2) (For Electrical Governor) (For Ec Regulation) (Inner Parts)(#11794-)
01***12Bolt - M8 - 1.25 X 122
01***35Bolt4
01***30Bolt (Itl)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (L.H.) (1/2) (For Electrical Governor) (Inner Parts)
01***12Bolt - M8 - 1.25 X 122
01***35Bolt4
01***30Bolt (Itl)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (L.H.) (1/2) (For Mechanical Governor) (Inner Parts)(#11755-)
62***10Injection Pump A.,L.H1
DK***30Bearing,Roller1
DK***00Bearing,Center2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (L.H.) (2/2) (For Electrical Governor) (For Ec Regulation) (Inner Parts)(#11794-)
01***08Nut, Regular Hexagon (M10-1.50)12
01***32Washer,(With Auto Emergency Steering)12
65***01Valve Ass'Y6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (L.H.) (2/2) (For Electrical Governor) (Inner Parts)
01***08Nut, Regular Hexagon (M10-1.50)12
01***32Washer,(With Auto Emergency Steering)12
65***01Valve Ass'Y6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (L.H.) (2/2) (For Mechanical Governor) (Inner Parts)(#11755-)
DK***00Nut12
DK***40Screw2
DK***00Shim? 0.875mm0
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (R.H.) (1/2) (For Electrical Governor) (For Ec Regulation) (Inner Parts)(#11794-)
01***12Bolt (M8-1.25x12)2
01***35Bolt4
01***30Bolt (Itl)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (R.H.) (1/2) (For Electrical Governor) (Inner Parts)
01***12Bolt (M8-1.25x12)2
01***12Bolt - M8 - 1.25 X 122
01***35Bolt4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (R.H.) (1/2) (For Mechanical Governor) (Inner Parts)(#11755-)
62***20Injection Pump A.,R.H1
DK***30Bearing,Roller1
DK***20Limiter1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (R.H.) (2/2) (For Electrical Governor) (For Ec Regulation ) (Inner Parts)(#11794-)
01***08Nut, Regular Hexagon (M10-1.50)12
01***32Washer,(With Auto Emergency Steering)12
65***01Valve Ass'Y6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (R.H.) (2/2) (For Electrical Governor) (Inner Parts)
01***08Nut, Regular Hexagon (M10-1.50)12
01***32Washer,(With Auto Emergency Steering)12
65***01Valve Ass'Y6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (R.H.) (2/2) (For Mechanical Governor) (Inner Parts)(#11755-)
DK***00Nut12
DK***40Screw2
DK***00Shim? 0.875mm0
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Timer) (L.H.) (For Mechanical Governor) (Inner Parts)(#11755-)
DK***20Cover1
DK***00Shim? 1.0mm0
DK***00Spacer2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump (Timer) (R.H.) (For Mechanical Governor) (Inner Parts)(#11755-)
DK***20Cover1
DK***00Shim? 1.0mm0
DK***00Spacer2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Bracket (For Electrical Governor)(#11755-12669)
01***65Bolt - Return Line And Suction Linehose Clamps4
01***95Capscrew8
62***31Pin,Dowel4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Bracket (For Electrical Governor)(#12670-)
01***70Bolt - Bracket And Oil Inlet Tubemounting4
01***95Capscrew8
01***32Washer,(With Auto Emergency Steering)12
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Bracket(#11640-12669)
01***65Bolt - Return Line And Suction Linehose Clamps4
01***95Capscrew8
62***31Pin,Dowel4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Bracket(#12670-)
01***70Bolt - Bracket And Oil Inlet Tubemounting4
01***95Capscrew8
01***32Washer,(With Auto Emergency Steering)12
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Drive (For Hd785-5 And Hd985-5)(#11755-12363)
01***30Bolt,(Not Used When Towing Winch)8
01***20Bolt, Mount Spool Covers6
01***13Nut, Regular Hexagon (M22-1.25)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Drive (For Hd785-5 And Hd985-5)(#12364-)
01***30Bolt,(Not Used When Towing Winch)8
01***20Bolt, Mount Spool Covers6
01***13Nut, Regular Hexagon (M22-1.25)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Linkage (For Mechanical Governor)(#11755-)
01***20Bolt,(For Mono Lever Steering)1
01***03Nut? L.H. Thread,L.H. Thread1
01***05Nut (Welded)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Lubricating (1/2) (L.H. Bank)
07***12Gasket,(Without Air Compressor Type) (K1)2
07***14Screw, Banjo Connector (M10)1
61***20Nipple1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Lubricating (1/2) (L.H. Bank) (For Electrical Governor)(#11755-)
07***12Gasket,(Without Air Compressor Type) (K2)4
07***12Gasket,(Without Air Compressor Type) (K1)2
07***10Screw, Banjo Connector (M10-1.25x20)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Lubricating (2/2) (R.H. Bank)
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 : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Lubricating (2/2) (R.H. Bank) (For Electrical Governor)(#11755-)
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 : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Mounting (For Electrical Governor)
01***00Bolt8
01***32Washer, (Without Emergency Steering)8
07***08Plug,(Without Lock-Up), Plug2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Mounting (For Electrical Governor) (For Ec Regulation)(#11794-)
01***00Bolt8
01***32Washer, (Without Emergency Steering)8
07***08Plug,(Without Lock-Up), Plug2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Mounting (For Mechanical Governor)(#11755-)
01***90Bolt,(For No?1 And No?3 Housing)8
01***32Washer, (Without Emergency Steering)8
07***12Gasket,(Without Air Compressor Type) (K2)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Piping (1/2) (L.H. Bank) (For Electrical Governor)(#11755-12983)
01***25Capscrew7
01***30Screw7
01***35Bolt4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Piping (1/2) (L.H. Bank) (For Electrical Governor)(#12984-)
01***30Screw7
01***35Bolt6
01***20Bolt,(For Mono Lever Steering)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Piping (1/2) (L.H. Bank)(#11755-)
01***25Capscrew7
01***30Screw7
01***35Bolt4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Piping (2/2) (R.H. Bank) (For Electrical Governor)(#11755-12983)
01***25Capscrew7
01***30Screw7
01***35Bolt4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Piping (2/2) (R.H. Bank) (For Electrical Governor)(#12984-)
01***30Screw11
01***35Bolt4
01***20Bolt,(For Mono Lever Steering)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Injection Pump Piping (2/2) (R.H. Bank)(#11755-)
01***25Capscrew5
01***30Screw5
01***35Bolt4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Piping (1/2) (L.H. Bank) (For Electrical Governor)(#11755-12363)
01***16Bolt - Box Mounting3
01***50Capscrew1
01***16Bolt, Battery To Frame Ground Wire Attaching1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Piping (1/2) (L.H. Bank) (For Electrical Governor)(#12364-)
01***50Capscrew1
01***60Bolt,(With Body Positioner)1
01***16Bolt, Battery To Frame Ground Wire Attaching1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Piping (2/2) (R.H. Bank) (For Electrical Governor)(#11755-12363)
01***40Screw, Hex Socket4
01***55Screw1
01***20Bolt,(For Mono Lever Steering)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Piping (2/2) (R.H. Bank) (For Electrical Governor)(#12364-)
01***40Screw, Hex Socket4
01***55Screw1
01***20Bolt,(For Mono Lever Steering)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Piping(#11755-12363)
01***40Screw, Hex Socket4
01***25Bolt,(For Canvas Canopy?Head Guard)1
01***40Bolt (Op)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Piping(#12364-)
01***40Screw, Hex Socket4
01***25Bolt,(For Canvas Canopy?Head Guard)1
01***40Bolt (Op)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Return (L.H. Bank)
01***25Bolt1
07***12Gasket,Mechanical Pump Piping3
07***08Plug,(Without Oil Pressure Switch)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Return (L.H. Bank) (For Electrical Governor)(#11755-12108)
04***10Clip1
07***12Gasket,Mechanical Pump Piping3
07***12Gasket,(Without Air Compressor Type) (K1)5
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Return (L.H. Bank) (For Electrical Governor)(#12109-)
01***30Screw2
01***25Bolt,(Rear Attachment Less)1
01***20Bolt,(For Mono Lever Steering)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Return (R.H. Bank)
01***25Bolt1
07***12Gasket,Mechanical Pump Piping3
07***08Plug,(Without Oil Pressure Switch)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Return (R.H. Bank) (For Electrical Governor)(#11755-12108)
04***10Clip1
07***12Gasket,Mechanical Pump Piping3
07***12Gasket,(Without Air Compressor Type) (K1)3
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Fuel Return (R.H. Bank) (For Electrical Governor)(#12109-)
01***25Bolt,(Rear Attachment Less)1
01***20Bolt,(For Mono Lever Steering)1
01***23Washer, Wiring Harness Mounting Bracket1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Gear Case (For Electrical Governor)(#11755-11948)
01***30Bolt,(Not Used When Towing Winch)13
07***08Plug,(Without Lock-Up), Plug4
07***16Plug, Expansion9
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Gear Case Related Parts (For Electrical Governor) (Vhms Spec.)(#11755-)
01***30Bolt,(Not Used When Towing Winch)13
07***08Plug,(Without Lock-Up), Plug4
07***16Plug, Expansion9
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Gear Case Related Parts (For Electrical Governor)(#11949-12743)
01***30Bolt,(Not Used When Towing Winch)13
07***08Plug,(Without Lock-Up), Plug4
07***16Plug, Expansion9
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Gear Case Related Parts (For Electrical Governor)(#12744-)
01***30Bolt,(Not Used When Towing Winch)13
07***08Plug,(Without Lock-Up), Plug4
07***16Plug, Expansion9
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Gear Case Related Parts(#11949-12743)
01***30Bolt,(Not Used When Towing Winch)13
07***08Plug,(Without Lock-Up), Plug4
07***16Plug, Expansion9
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Gear Case Related Parts(#12744-)
01***30Bolt,(Not Used When Towing Winch)13
07***08Plug,(Without Lock-Up), Plug4
07***16Plug, Expansion9
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Gear Case(#11755-11948)
01***30Bolt,(Not Used When Towing Winch)13
07***08Plug,(Without Lock-Up), Plug4
07***16Plug, Expansion9
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Head Cover And Shield Plate(#11640-11948)
01***55Screw36
62***11Cover,Rocker Arm Housing12
62***20Gasket, Rocker Lever Housing12
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Head Cover(#11949-)
01***55Screw36
62***11Cover,Rocker Arm Housing12
62***20Gasket, Rocker Lever Housing12
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Heat Shield (For Wa800?900-2 And Hd785?985-3)
01***35Capscrew8
01***40Capscrew8
01***32Washer,(With Auto Emergency Steering)8
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Heater Switch (L.H. Bank)(#11755-)
01***12Bolt,(With Speedometer)2
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)4
01***30Bolt - Lower Oil Cooler Outlet Tubemounting4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Heater Switch (R.H. Bank)(#11755-)
01***12Bolt,(With Speedometer)2
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)6
01***12Bolt,(See Fig.0501)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Idler Gear
01***40Bolt (Op)12
01***80Bolt,For Weight Adjusting Bolt2
01***10Bolt,For Weight Adjusting Bolt4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Lift Pump (For Electrical Governor) (Inner Parts)(#11755-12363)
65***00Lift Pump Assembly1
DK***91Feed Pump Ass'Y1
DK***00Valve,Check4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Lift Pump (For Electrical Governor)(#11755-12363)
01***16Bolt - Box Mounting3
01***35Bolt,(F4320-52a0 -5 )2
62***50Adapter1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Lift Pump(#12364-)
01***16Bolt - Box Mounting3
01***35Bolt,(F4320-52a0 -5 )2
62***50Adapter1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Name Plate And Caution (Chinese)(#11755-12338)
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Name Plate And Caution (English)(#11755-12338)
04***60Screw, Serial Number Plate4
09***63Plate? Instruction,Air Cleaner (Single Element)3
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Name Plate And Caution (English)(#12181-12338)
09***63Plate? Instruction,Air Cleaner (Single Element)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Name Plate And Caution (French)(#11755-12338)
04***60Screw, Serial Number Plate4
09***12Plate? Name,(Limited Supply)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Name Plate And Caution (German)(#11755-12338)
04***60Screw, Serial Number Plate4
09***63Plate? Instruction,Air Cleaner Element Mainte2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Name Plate And Caution (German)(#12181-12338)
09***63Plate? Instruction,Air Cleaner Element Mainte2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Name Plate And Caution (Indonesian)(#11755-12338)
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Name Plate And Caution (Japanese-English)
04***60Screw, Serial Number Plate4
60***40Plate? Name,(Limited Supply)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Name Plate And Caution (Spanish)(#11755-12338)
04***60Screw, Serial Number Plate4
09***63Plate? Instruction,(Spanish) (Not Shown)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Nozzle Holder (Inner Parts)(#11755-)
62***12Holder Ass'Y,(See Fig.A4210-B7a4)12
DK***00Shim? 0.725mm0
DK***00Shim? 0.525mm0
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Adapter (Vhms Spec.)(#11755-)
01***12Bolt - M8 - 1.25 X 123
01***65Bolt - Return Line And Suction Linehose Clamps1
01***80Bolt,(With Corrosion Resistor)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Adapter (With Alarm) (Vhms Spec.)(#11755-)
01***12Bolt - M8 - 1.25 X 123
01***65Bolt - Return Line And Suction Linehose Clamps1
01***80Bolt,(With Corrosion Resistor)6
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Adapter (With Alarm)(#11755-)
01***12Bolt - M8 - 1.25 X 123
01***65Bolt - Return Line And Suction Linehose Clamps1
01***80Bolt,(With Corrosion Resistor)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Adapter(#11755-)
01***12Bolt - M8 - 1.25 X 123
01***65Bolt - Return Line And Suction Linehose Clamps1
01***80Bolt,(With Corrosion Resistor)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Cooler (Cold Terrain Spec.)(#11755-11948)
01***30Bolt,(With Body Positioner)24
01***65Bolt - Return Line And Suction Linehose Clamps2
01***75Bolt (M10-1.50x75)4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Cooler (Cold Terrain Spec.)(#11949-12318)
01***30Bolt,(With Body Positioner)24
01***65Bolt - Return Line And Suction Linehose Clamps2
61***20O-Ring,(Cold Terrain Spec.) (K2)8
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Cooler (Cold Terrain Spec.)(#12319-)
01***30Bolt,(With Body Positioner)24
01***65Bolt - Return Line And Suction Linehose Clamps2
01***16Bolt - Starting Motor Ground Cable1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Cooler Mounting (Cold Terrain Spec.)(#11949-12318)
01***20Bolt,(For Mono Lever Steering)1
01***75Bolt (M10-1.50x75)4
01***32Washer,(With Auto Emergency Steering)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Cooler Mounting(#11949-)
01***75Bolt (M10-1.50x75)4
07***40O-Ring,Cooling Valve1
07***40O-Ring,(For Hd325-6?Hm400-1) (A3110)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Cooler(#11640-11948)
01***30Bolt,(With Body Positioner)24
01***65Bolt - Return Line And Suction Linehose Clamps2
01***75Bolt (M10-1.50x75)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Cooler(#11949-)
01***30Bolt,(With Body Positioner)24
01***65Bolt - Return Line And Suction Linehose Clamps2
07***16O-Ring (K2)8
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Filler (With Oil Level Sensor)(#11755-)
01***25Bolt,(Rear Attachment Less)2
01***30Bolt,(With Body Positioner)1
01***11Nut,(With Under Mirror)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Filler (Without Oil Level Sensor)(#11755-)
01***25Bolt,(Rear Attachment Less)2
01***30Bolt,(With Body Positioner)1
01***11Nut,(With Under Mirror)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Filler(#11755-)
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Filter (Vhms Spec.)(#11755-)
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***30Bolt,(With Body Positioner)7
01***30Bolt - Lower Oil Cooler Outlet Tubemounting13
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Filter (With Alarm) (Vhms Spec.)(#11755-)
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***30Bolt,(With Body Positioner)7
01***30Bolt - Lower Oil Cooler Outlet Tubemounting15
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Filter (With Alarm)(#11755-)
01***25Bolt,(For Canvas Canopy?Head Guard)10
01***30Bolt,(With Body Positioner)11
01***40Bolt (Op)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Filter(#11755-)
01***25Bolt,(For Canvas Canopy?Head Guard)10
01***30Bolt,(With Body Positioner)11
01***40Bolt (Op)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Level Gauge (Cold Terrain Spec.) (For Hd785-5)(#12774-)
01***16Bolt - Seat And Tether Belt Mounting1
07***12O-Ring,(F4350-59a1 -17 )1
07***27Nut, Tube1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Level Gauge (With Oil Level Sensor) (For Hd785-5)(#11755-)
01***16Bolt - Seat And Tether Belt Mounting1
07***12O-Ring,(Extreme Cold Terrain Spec.) (K2)1
07***12O-Ring,(F4350-59a1 -17 )1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Level Gauge (With Oil Level Sensor)(#11755-11793)
01***16Bolt - Seat And Tether Belt Mounting1
07***12O-Ring,(Extreme Cold Terrain Spec.) (K2)1
07***27Nut, Tube1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Level Gauge (With Oil Level Sensor)(#11794-)
01***16Bolt - Seat And Tether Belt Mounting1
07***12O-Ring,(Extreme Cold Terrain Spec.) (K2)1
07***12O-Ring,(F4350-59a1 -17 )1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Level Gauge (Without Oil Level Sensor) (For Hd785-5)(#11755-)
01***16Bolt - Seat And Tether Belt Mounting1
07***12O-Ring,(Extreme Cold Terrain Spec.) (K2)1
07***12O-Ring,(F4350-59a1 -17 )1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Level Gauge(#11755-)
01***16Bolt - Seat And Tether Belt Mounting1
07***12O-Ring,(Extreme Cold Terrain Spec.) (K2)1
07***12O-Ring,(F4350-59a1 -17 )1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Pan And Suction Tube (Cold Terrain Spec.) (For Hd785-5)(#12774-)
01***20Bolt,(For Mono Lever Steering)2
01***25Bolt,(For Canvas Canopy?Head Guard)27
01***30Bolt,(With Body Positioner)3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Pan And Suction Tube (With Oil Level Sensor) (For Hd785-5)(#11755-)
01***12Bolt - Front Cover Mounting3
01***20Bolt,(For Mono Lever Steering)2
01***25Bolt,(For Canvas Canopy?Head Guard)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Pan And Suction Tube (With Oil Level Sensor)(#11755-11793)
01***20Bolt,(For Mono Lever Steering)2
01***25Bolt,(For Canvas Canopy?Head Guard)24
01***30Bolt,(With Body Positioner)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Pan And Suction Tube (With Oil Level Sensor)(#11794-)
01***20Bolt,(For Mono Lever Steering)2
01***25Bolt,(For Canvas Canopy?Head Guard)27
01***30Bolt,(With Body Positioner)3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Pan And Suction Tube (Without Oil Level Sensor) (For Hd785-5)(#11755-)
01***12Bolt - Front Cover Mounting3
01***20Bolt,(For Mono Lever Steering)2
01***25Bolt,(For Canvas Canopy?Head Guard)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Pan And Suction Tube(#11755-)
01***20Bolt,(For Mono Lever Steering)2
01***25Bolt,(For Canvas Canopy?Head Guard)27
01***30Bolt,(With Body Positioner)3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Pressure Sensor (Vhms Spec.)(#11755-)
01***14Bolt - Fuel Sensor Mounting1
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)1
01***35Bolt, Mount Bracket To Floor2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Pressure Sensor (With Alarm) (Vhms Spec.)(#11755-)
01***14Bolt - Fuel Sensor Mounting1
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)1
01***35Bolt, Mount Bracket To Floor2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Pressure Sensor (With Alarm)(#11755-)
01***14Bolt - Fuel Sensor Mounting1
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)1
01***35Bolt, Mount Bracket To Floor2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Pressure Sensor(#11755-)
01***14Bolt - Fuel Sensor Mounting1
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)1
01***35Bolt, Mount Bracket To Floor2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Oil Pump
01***30Bolt,(With Body Positioner)2
01***55Bolt,(See Service News)1
01***20Bolt,(Forwarded Individually Parts)5
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Piston
02***13Pin, Dowel2
04***20Ring, Retaining24
62***33Piston Ring Ass'Y,Per Cylinder12
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Pm-Clinic(#11755-)
04***10Clip,(F4320-51a0 -8 )2
07***00Elbow,(F4320-54a0 -6 )2
08***12Clip, Clip,(With Auto Emergency Steering)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Rocker Arm And Housing (For Electrical Governor)(#11755-11948)
01***85Bolt (M10-1.50x85)2
01***80Bolt (M12-2.00x80)12
01***80Bolt (M10-1.50x80)34
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Rocker Arm And Housing(#11755-11948)
01***85Bolt (M10-1.50x85)2
01***80Bolt (M12-2.00x80)12
01***80Bolt (M10-1.50x80)34
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Rocker Arm And Housing(#11949-)
01***85Bolt (M10-1.50x85)2
01***80Bolt (M12-2.00x80)12
01***80Bolt (M10-1.50x80)34
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Safety Guard (Injection Pump Drive) (For Electrical Governor)(#11755-)
01***20Bolt,(For Mono Lever Steering)10
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***75Bolt (M10-1.50x75)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Safety Guard (Injection Pump Drive)(#11755-)
01***20Bolt,(For Mono Lever Steering)10
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***75Bolt (M10-1.50x75)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Shield Plate(#11949-)
62***10Plate,Heat Shield2
62***11Plate,Heat Shield2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Starting Motor (7.5kw) (Inner Parts)(#11755-12657)
60***31Starting Motor Ass'Y,(7.5kw)2
KD***20Magnetic Switch Assembly1
KD***40Spring,Spring4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Starting Motor (7.5kw) (Inner Parts)(#12658-)
60***32Starting Motor Ass'Y,(7.5kw)2
KD***20Magnetic Switch Assembly1
KD***40Spring,Spring4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Starting Motor Mounting (7.5kw)(#11755-13249)
01***40Bolt,(With Center Guard)6
01***40Bolt (Kit)6
01***25Bolt,(For Canvas Canopy?Head Guard)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Stop Motor And Linkage (For Mechanical Governor)(#11755-12363)
01***16Bolt, Battery To Frame Ground Wire Attaching2
01***05Nut (Welded)1
60***30Motor Ass'Y,(For Engine Stop)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Stop Motor And Linkage (For Mechanical Governor)(#12364-)
01***16Bolt, Battery To Frame Ground Wire Attaching2
61***90Spacer2
62***50Bracket1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Stop Motor And Linkage (Mechanical Governor Spec.)(#12364-)
01***05Nut (Welded)1
60***30Motor Ass'Y,(For Engine Stop)1
69***10Joint,Ball1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Tachometer Drive(#11755-)
01***16Bolt - Box Mounting2
01***16Bolt, Mounting Transmission Control Switch2
07***50O-Ring,Front Cover Plate1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Tension Pulley
01***10Bolt,(With Auto Emergency Steering)1
01***16Bolt - Seat And Tether Belt Mounting2
01***20Bolt,(For Mono Lever Steering)4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Thermostat And Mounting (Without Air Comppressor)(#11755-)
01***20Bolt,(For Mono Lever Steering)3
01***30Bolt,(With Body Positioner)1
01***10Bolt,(With Joy Stick Steering)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Tool(#11755-12363)
07***23Clamp,Hose1
07***80Hose1
62***00Drain Hose Ass'Y,(Except Japan) (Op)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Tool(#12364-)
07***23Clamp,Hose1
07***80Hose1
62***00Drain Hose Ass'Y,(Except Japan) (Op)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger (Ktr110g-F45c) (For Hd785-5) (Inner Parts)(#12364-)
01***16Bolt4
01***16Bolt8
01***16Bolt8
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger (Ktr110g-F45c) (Inner Parts)(#11755-11833)
01***16Bolt4
01***16Bolt8
04***08Pin, Dowel1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger (Ktr110g-F45c) (Inner Parts)(#11834-12363)
01***16Bolt4
01***16Bolt8
04***08Pin, Dowel1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger (Ktr110l-585cw) (For Hd785-5) (High Altitude Spec.) (Inner Parts)(#13101-)
01***16Bolt4
01***16Bolt8
04***08Pin, Dowel1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Cooling (Water Innlet Line) (For Hd785-5) (High Altitude Spec.)(#13101-)
01***35Bolt4
07***19Gasket,(For Hd325-6) (See Fig.A7010)4
07***21Gasket,Turbocharger Water2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Cooling (Water Innlet Line) (For Hd785-5)(#12364-)
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***35Bolt4
07***19Gasket,(For Hd325-6) (See Fig.A7010)4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Cooling (Water Innlet Line)(#11755-11833)
01***25Bolt,(For Canvas Canopy?Head Guard)4
07***19Gasket,(For Hd325-6) (See Fig.A7010)4
07***21Gasket,Turbocharger Water3
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Cooling (Water Innlet Line)(#11834-12363)
01***25Bolt,(For Canvas Canopy?Head Guard)4
07***19Gasket,(For Hd325-6) (See Fig.A7010)4
07***21Gasket,Turbocharger Water2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Cooling (Water Outlet Line) (For Hd785-5) (High Altitude Spec.)(#13101-)
01***35Bolt,(For Fix Position)1
01***45Bolt,(With Water Separator Type)2
01***50Bolt2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Cooling (Water Outlet Line) (For Hd785-5)(#12364-)
01***25Capscrew2
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***45Bolt,(With Water Separator Type)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Cooling (Water Outlet Line)(#11755-11833)
01***25Capscrew2
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***45Bolt,(With Water Separator Type)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Cooling (Water Outlet Line)(#11834-12363)
01***25Capscrew2
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***45Bolt,(With Water Separator Type)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Mounting (For Hd785-5) (High Altitude Spec.)(#13101-)
01***25Bolt,Joint8
61***90Nut, Mounting8
61***10Screw4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Mounting (For Hd785-5)(#12364-)
01***25Bolt,Joint8
61***90Nut, Mounting8
61***10Screw4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Mounting(#11755-11833)
01***25Bolt,Joint8
61***90Nut, Mounting8
61***10Screw4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Mounting(#11834-12363)
01***25Bolt,Joint8
61***90Nut, Mounting8
61***10Screw4
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Mounting(#12364-)
Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Oil Piping (For Hd785-5) (High Altitude Spec.)(#13101-)
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***35Bolt,(F4320-52a0 -5 )4
01***16Bolt - Starting Motor Ground Cable6
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Oil Piping (For Hd785-5)(#12364-)
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***35Bolt,(F4320-52a0 -5 )4
01***16Bolt - Starting Motor Ground Cable6
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Oil Piping(#11755-11833)
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***35Bolt,(F4320-52a0 -5 )4
01***16Bolt - Starting Motor Ground Cable6
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Turbocharger Oil Piping(#11834-12363)
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***35Bolt,(F4320-52a0 -5 )4
01***16Bolt - Starting Motor Ground Cable6
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Water Piping (For Electrical Governor)(#11755-)
01***20Bolt,(For Mono Lever Steering)4
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***35Bolt,(F4320-52a0 -5 )2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Water Pump Gasket Kit(#11755-)
07***60O-Ring,(For Pc750?800?1800) (A2610)1
07***80O-Ring,Hydraulic Oil Filter1
07***90O-Ring,(Dk029369-0020) (K2)1
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Water Pump(#11755-11883)
01***20Bolt,(For Mono Lever Steering)1
01***30Bolt,(With Body Positioner)7
01***30Bolt,(Not Used When Towing Winch)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Water Pump(#11884-12236)
01***20Bolt,(For Mono Lever Steering)1
01***30Bolt,(With Body Positioner)7
01***30Bolt,(Not Used When Towing Winch)2
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Komatsu : Sa12v140-1u(S/N 11640-Up) : Engine : Water Pump(#12237-)
01***20Bolt,(For Mono Lever Steering)1
01***30Bolt,(With Body Positioner)7
01***30Bolt,(Not Used When Towing Winch)2
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SA12V140-1U(S/N 11640-UP) serial number reference

The PIN plate is located on the engine block, typically near the injection pump or on the side of the cylinder head. Read the prefix from the model designation stamped on the plate, which identifies the engine series and configuration variant.

PrefixIdentifies
SA12V140-1UStandard SA12V140-1U engine
SA12V140-1U-98SA12V140-1U-98 engine

Frequently asked questions

What engine powers the Komatsu SA12V140-1U?

The Komatsu SA12V140-1U is a 12-cylinder, 30.5-liter water-cooled, turbocharged, and aftercooled diesel engine. It features a 140 mm bore and 165 mm stroke, delivering 770-808 hp at 2,000 rpm.

What is the operating weight of the machine powered by this engine?

Operating weight varies by configuration. The D475A-2 bulldozer and WA800-2/3 wheel loader configurations have different weights. The engine dry weight is 3,100-3,300 kg. Machine weight varies by configuration/series.

What replaced the SA12V140-1U series?

The SA12V140-1U is part of the SA12V140 series lineage. Later generations introduced electronically controlled common-rail fuel injection systems for improved emissions compliance, such as the SAA12V140E-3. Specific successor models depend on the application (dozer, loader, or truck).

What SA12V140-1U(S/N 11640-UP) owners discuss

What is the power output and governor type for the SA12V140-1U engine?
The SA12V140-1U engine produces 603 kW (808 HP) at 2,000 rpm. It uses a Bosch PE-P (PS7S) type mechanical governor. Power output varies by configuration/series depending on the specific machine application (e.g., dozer vs. generator). Have your dealer verify the exact rating for your serial range against the shop manual.
How does the SA12V140-1U engine handle cold weather starting and fuel waxing?
The mechanical jerk-pump injection system is sensitive to fuel waxing and cold-start quality. In cold climates, use Komatsu Genuine EO diesel engine oil with the correct viscosity grade (EO10W30-LA or EO15W40-LA) and verify coolant protection with Komatsu Super Coolant (AF-NAC or AF-ACL) ahead of winter. Use winter-grade diesel fuel blend per the operation and maintenance manual.
What are the typical undercarriage and wear patterns for machines powered by this engine series?
Machines in this class are designed for heavy earthmoving and mining. Undercarriage wear is accelerated by continuous load and dust exposure. Track tension must be checked regularly to prevent loosening. Final drives and travel motors are common wear points; if one travel motor fails, inspect the opposing side and hydraulic supply, as the line is designed to wear out complete machines simultaneously. Have your dealer verify final drive and track component wear limits.
What are the common hydraulic behaviors and troubleshooting patterns for this machine type?
Komatsu excavators and loaders with this engine often exhibit hydraulic weakness when hot due to decreased oil viscosity and internal leakage in pumps, valves, or cylinders. If all functions are slow, check hydraulic oil level, filter condition, and engine RPM. If only one function is slow, inspect the specific cylinder, control valve, and hoses. Do not replace the main pump immediately if only one circuit is weak; measure performance cold and hot.
What electrical or sensor issues are commonly reported for this generation?
While the SA12V140-1U itself is a mechanical engine, the host machine's electronic control systems can cause intermittent starting, dashboard failures, or random shutdowns. A single faulty sensor or unstable power supply can trigger multiple warning signals. Check battery state of charge, engine/chassis grounds, and main starter cable before assuming component failure. Have your dealer verify the machine's electrical system and sensor network.
What is the engine oil capacity and recommended fluid for the SA12V140-1U?
The lubricating oil refill capacity is 102 L (92 US gal) for the SA12V140-1U configuration. Use Komatsu Genuine EO diesel engine oil. Grade selection depends on ambient temperature: EO10W30-LA for cold climates and EO15W40-LA for warm climates. Always fill to the dipstick sight gauge, not the total capacity number.
What specific items should be checked when buying a used machine with the SA12V140-1U engine (S/N 11640-UP)?
Verify the serial number is 11640 or up to ensure you are referencing the correct parts catalog (SA12V140-1U-98). Check the fuel injection pump governor type (Bosch PE-P PS7S) and ensure linkage travel is correct. Inspect the cooling package (radiator, hydraulic oil cooler, charge-air cooler) for packed debris between heat exchangers. Test hydraulic performance cold and hot to identify internal leakage. Check for oil weeping around the dump body hoist cylinders and frame rails. Have your dealer verify the engine's compression and blow-by trends before purchase.

Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.

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