Komatsuengine(no series)
Komatsu SA6D140-2C-G(S/N 22537-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu SA6D140-2C-G engine (S/N 22537-UP) is a 6-cylinder, turbocharged, aftercooled diesel powerplant used in heavy-duty construction machinery. It is part of the SA6D140 series, which includes variants like the SA6D140E-2 and SDA6D140E-2. This engine is typically found in medium-to-large class bulldozers (such as the D155A and D355C series) and hydraulic excavators (such as the PC1600SP-1). Production years for this specific engine configuration generally span from the late 1990s through the 2000s. It succeeded earlier 6D140-1 series engines and was eventually replaced by newer emissions-compliant generations. Configurations offered include standard industrial, cold-weather (-30°C and -50°C specs), and Tier 4 Interim variants depending on the host machine and region.
Across the SA6D140 series generations, changes primarily involved emissions compliance upgrades, fuel system refinements, and cooling system enhancements to meet evolving regulatory standards. The SA6D140-2C-G remains significant in the used and parts market due to its widespread installation in durable, high-hour D155 and PC1600 class machines. Its robust design and availability of overhaul kits make it a common target for rebuilds. The engine's modular nature and the continued demand for replacement components for these legacy heavy machines sustain its relevance in the aftermarket.
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 SA6D140-2C-G(S/N 22537-UP) specifications
Engine
| Model | SA6D140-2C-G |
| Series | SA6D140-2 Series |
| Configuration | 6-cylinder, inline, water-cooled, turbocharged, aftercooled diesel |
| Displacement | 15.24 L (930 in³) |
| Bore | 140 mm (5.51 in) |
| Stroke | 150 mm (5.91 in) |
| Power | 368 kW (493 hp) @ 1900 rpm |
| Torque | 2237 N·m (1651 lbf·ft) @ 1200 rpm |
| Emissions Tier | Not documented for this exact serial range — verify with your dealer |
Weights
| Operating Weight | Not documented for this exact serial range — verify with your dealer |
| Shipping Weight | Not documented for this exact serial range — verify with your dealer |
| Ground Pressure | Not documented for this exact serial range — verify with your dealer |
Dimensions
| Transport Length | Not documented for this exact serial range — verify with your dealer |
| Transport Width | Not documented for this exact serial range — verify with your dealer |
| Transport Height | Not documented for this exact serial range — verify with your dealer |
| Track Gauge | Not documented for this exact serial range — verify with your dealer |
| Ground Clearance | Not documented for this exact serial range — verify with your dealer |
Performance
| Travel Speed | Not documented for this exact serial range — verify with your dealer |
| Gradeability | Not documented for this exact serial range — verify with your dealer |
| Digging/Loading Force | Not documented for this exact serial range — verify with your dealer |
Service capacities (summary)
| Engine Oil | Not documented for this exact serial range — verify with your dealer |
| Cooling System | Not documented for this exact serial range — verify with your dealer |
| Fuel Tank | Not documented for this exact serial range — verify with your dealer |
| Hydraulic System | Not 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 SA6D140-2C-G(S/N 22537-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the SA6D140-2C-G(S/N 22537-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize Komatsu KOWA fluid analysis at every major service interval to monitor engine wear metals (iron, copper, lead, aluminum) and contaminants (silicon for dirt, sodium for coolant). Check hydraulic fluid particle count (ISO cleanliness) and water content to prevent pump and valve damage. Monitor coolant pH, SCA concentration, and glycol levels to ensure proper corrosion protection. Track fuel dilution and soot levels in engine oil to assess combustion efficiency and filter life. Use KOMTRAX telematics to monitor load frequency and fault codes for proactive scheduling.
Corrective & Common Repairs
Address common SA6D140-2C-G issues by inspecting the turbocharger for shaft play and seal leaks at 1,000-hour intervals. Check fuel injection pumps and nozzles for wear if power loss or excessive smoke occurs. Inspect the water pump and thermostat housing for coolant leaks. Verify belt tension and condition to prevent alternator and hydraulic pump drive failure. Check electrical connectors and wiring harnesses for corrosion, especially in high-humidity environments. Replace worn pins and bushings on attachment points to maintain hydraulic system efficiency and reduce stress on the engine mounts.
Overhaul & Rebuild Points
Plan for major overhaul based on KOWA analysis results and performance metrics. Typical rebuild intervals for the SA6D140-2C-G occur between 15,000 and 20,000 hours, depending on duty cycle. Key components to inspect include cylinder liners, pistons, piston rings, and crankshaft bearings. Replace all gaskets and seals during overhaul. Check the cylinder head for warpage and cracks. Inspect the turbocharger for bearing wear and replace if necessary. Ensure the fuel injection system is calibrated or replaced to meet performance specifications.
Seasonal & Environment Servicing
For cold-weather operation (-30°C or -50°C specs), use appropriate low-temperature fluids and ensure the cooling system is protected with the correct antifreeze concentration. Inspect and replace air filter elements more frequently in dusty environments to prevent engine wear. Check the battery and charging system for cold-weather performance. In hot climates, ensure the radiator and oil cooler fins are clean and free of debris to prevent overheating. Verify the operation of the coolant temperature sensor and thermostat. Use Komatsu Genuine Lubricants with OEM-formulated additive packages for optimal protection in extreme conditions.
SA6D140-2C-G(S/N 22537-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 600-311-7132 | Cartridge,Fuel Filter | Fuel system service | Check fitment → |
| 6162-53-5430 | Packing,Oil Filter And Piping | Lubrication service | Check fitment → |
| 6162-53-5450 | Packing,Oil Filter And Piping | Lubrication service | Check fitment → |
| 600-211-1291 | Cartridge,Oil Filter | Lubrication service | Check fitment → |
| 600-211-1231 | Cartridge, Oil Filter | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
SA6D140-2C-G(S/N 22537-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CA115 | Engine crankshaft speed sensor failure | Broken sensor, wiring issue, or connector corrosion | Replace the speed sensor and verify the voltage at the pin connector |
| CA111 | Internal engine controller fault | ECM internal abnormality | Replace or reprogram the ECM |
| CA451 | Common rail pressure sensor feedback value too high | Malfunction in the rail sensor or actual overpressure condition | Diagnose the fuel rail pressure sensor or pump lines |
| CA234 | Engine overspeed | Throttle calibration error, engine load cycle issue, or operator misuse | Verify throttle calibration and engine load cycle |
| CA441 | Battery voltage too low | Alternator failure, battery failure, or voltage regulator issue | Replace the alternator or battery; check the voltage regulator |
| CA442 | Battery voltage too high | Alternator overcharging or voltage regulator failure | Replace the alternator or battery; check the voltage regulator |
| AA10NX | Air cleaner clogging | Dirty or blocked air filter element | Replace the air filter |
| CA122 | Intake air pressure high voltage | Intake pressure sensor malfunction or wiring issue | Verify the intake pressure sensor and wiring |
| CA123 | Intake air pressure low voltage | Sensor short or airflow restriction | Check for a sensor short or an airflow restriction |
| CA153 | Intake air temperature sensor error (high) | Intake air temperature sensor malfunction | Replace 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.
SA6D140-2C-G(S/N 22537-UP) attachments & work tools
Bulldozer Blade Configurations
The SA6D140-2C-G(S/N 22537-UP) engine powers the D155AX-5 and D355C-3 bulldozer series. Factory configurations include standard straight blades and angle blades for earthmoving and material handling tasks.
Excavator Bucket Families
Compatible with the PC650-3 and PC710-5 hydraulic excavator models. Typical bucket capacities for this class range from 2.8 to 6.1 cubic meters, depending on the specific machine model and application requirements.
Wheel Loader Bucket Configurations
Used in the WA500-1L wheel loader series. Standard bucket sizes for this class typically support high-volume loading operations, with capacities varying by configuration and series.
Generator Set Configurations
The engine is installed in the DCA-400SSK generator set. This configuration provides industrial power generation, with specific mounting and guarding options defined by the generator manufacturer's factory specs.
Coupler and Mounting Systems
Work tool attachment interfaces are defined by the host machine's chassis (e.g., D155AX-5 dozer frame or PC650-3 excavator boom). Specific coupler types and mounting points vary by configuration/series and must be verified against the host machine's operation and maintenance manual.
Hydraulic Kit Requirements
Attachment operation requires host machine hydraulic circuits. Fluid specifications include Komatsu EO or equivalent diesel engine oil and Komatsu TO or equivalent hydraulic oil. Hydraulic kit arrangements vary by configuration/series.
All SA6D140-2C-G(S/N 22537-UP) assemblies by section
Every catalogued assembly group for the Komatsu SA6D140-2C-G(S/N 22537-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Engine
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : After Cooler Water Piping(#22537-30036)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***40 | Bolt (Op) | 2 |
| 01***65 | Bolt - Return Line And Suction Linehose Clamps | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : After Cooler Water Piping(#30037-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***40 | Bolt (Op) | 2 |
| 01***65 | Bolt - Return Line And Suction Linehose Clamps | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Air Cleaner Hood(#29271-)
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Air Cleaner Mounting(#25748-29874)
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
| 01***40 | Bolt (Op) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Air Cleaner Mounting(#29875-)
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
| 01***40 | Bolt (Op) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Air Intake Manifold And After Cooler(#22537-30036)
| 01***00 | Bolt,(For Front Brake Release) | 11 |
| 01***55 | Bolt,(With Corrosion Resistor) | 3 |
| 01***60 | Bolt | 7 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Air Intake Manifold And After Cooler(#30037-)
| 01***00 | Bolt,(For Front Brake Release) | 11 |
| 01***55 | Bolt,(With Corrosion Resistor) | 3 |
| 01***60 | Bolt | 7 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Air Vent(#25748-29874)
| 01***20 | Bolt | 1 |
| 01***16 | Washer,Radio Controlled Slag Handling | 1 |
| 07***15 | Gasket,(Hd325?Pc750?800?1800) (A5010) | 14 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Air Vent(#29271-)
| 01***20 | Bolt | 1 |
| 01***16 | Washer,Radio Controlled Slag Handling | 1 |
| 07***15 | Gasket,(Hd325?Pc750?800?1800) (A5010) | 14 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Alternator (35a) (Inner Parts)
| 60***10 | Alternator A. (35a) | 1 |
| 60***11 | Alternator A. (35a) | 1 |
| KD***50 | Bracket,Rear | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Alternator (35a) (With Hardening Pulley) (Inner Parts)(#25887-)
| 60***10 | Alternator A. (35a) | 1 |
| KD***70 | Bushing,Insulate | 1 |
| KD***40 | Bushing,Insulate | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Alternator (50a) (Inner Parts)(#25748-29347)
| 60***10 | Alternator A. (50a) | 1 |
| SD***X0 | Coil Assembly | 1 |
| SD***X0 | Washer | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Alternator (50a) (With Hardening Pulley) (Inner Parts)(#25887-27970)
| 60***10 | Alternator A. (50a) | 1 |
| SD***X0 | Coil Assembly | 1 |
| SD***X0 | Washer | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Alternator (60a) (Inner Parts)(#26660-)
| 60***10 | Alternator A. (60a) | 1 |
| KD***70 | Bushing,Insulate | 1 |
| KD***40 | Bushing,Insulate | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Alternator (60a) (Inner Parts)(#29348-29874)
| 60***70 | Alternator A. (60a) | 1 |
| KD***70 | Bushing,Insulate | 2 |
| KD***40 | Bushing,Insulate | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Alternator (60a) (With Hardening Pulley) (Inner Parts)(#27971-)
| 60***70 | Alternator A. (60a),(See Fig.A6010-B4k6) | 1 |
| KD***70 | Bushing,Insulate | 2 |
| KD***40 | Bushing,Insulate | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Alternator Mounting (35a)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***60 | Bolt,For Weight Adjusting Bolt | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Alternator Mounting (35a) (With Hardening Pulley)(#25887-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***60 | Bolt,For Weight Adjusting Bolt | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Alternator Mounting (50a) (With Hardening Pulley)(#25887-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***60 | Bolt,For Weight Adjusting Bolt | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Alternator Mounting (50a)(#25748-29874)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***60 | Bolt,For Weight Adjusting Bolt | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Alternator Mounting (60a)(#26660-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***60 | Bolt,For Weight Adjusting Bolt | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Camfollower Cover
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***30 | Bolt,(With Body Positioner) | 5 |
| 01***65 | Bolt - Return Line And Suction Linehose Clamps | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Camfollower Cover(#25748-29874)
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Camfollower(#26075-)
| 04***12 | Ring, Retaining | 4 |
| 61***30 | Pin,Dowel | 12 |
| 61***20 | Ball | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Camshaft And Camfollower(#24649-26074)
| 01***20 | Bolt (M12-1.75x20) | 2 |
| 04***25 | Key, Plain Woodruff | 1 |
| 04***12 | Ring, Retaining | 4 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Camshaft(#26075-)
| 01***20 | Bolt (M12-1.75x20) | 2 |
| 04***25 | Key, Plain Woodruff | 1 |
| 62***12 | Camshaft Assembly | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cooling Fan (Reversible Type)(#25748-25748)
| 60***20 | Fan,Reversible | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cooling Fan (Reversible Type)(#25749-29347)
| 60***20 | Fan,Reversible | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cooling Fan (Reversible Type)(#29348-)
| 60***20 | Fan,Reversible | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cooling Fan(#29271-)
| 60***20 | Fan,(High Speed) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Corrosion Resistor
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Corrosion Resistor(#25748-29874)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Crank Pulley(#25748-)
| 04***24 | Pin,Dowel (For No.3 Housing) | 1 |
| 62***20 | Bolt | 6 |
| 62***30 | Pulley? Hardening | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Crankshaft
| 61***30 | Key Parallel | 1 |
| 62***00 | Bearing Assembly | 1 |
| 62***10 | Main Bearing Assembly | 7 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cylinder Block (1/2)(#25748-25748)
| 01***45 | Washer,(Without R.O.P.S.) | 14 |
| 04***14 | Pin, Dowel | 2 |
| 04***20 | Pin,Dowel (Welded) | 12 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cylinder Block (1/2)(#25749-26659)
| 01***45 | Washer,(Without R.O.P.S.) | 14 |
| 04***14 | Pin, Dowel | 2 |
| 04***20 | Pin,Dowel (Welded) | 12 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cylinder Block (1/2)(#26660-)
| 01***45 | Washer,(Without R.O.P.S.) | 14 |
| 04***14 | Pin, Dowel | 2 |
| 04***20 | Pin,Dowel (Welded) | 12 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cylinder Block (2/2)(#25748-25748)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cylinder Block (2/2)(#25749-26659)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***25 | Screw | 6 |
| 01***16 | Washer,(With Water Separator) | 6 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cylinder Block (2/2)(#26660-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***25 | Screw | 6 |
| 01***16 | Washer,(With Water Separator) | 6 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cylinder Block Gasket Kit (For D355cda-3d)(#25748-)
| 01***12 | Washer,(F2320-63a2 -13 ) | 2 |
| 01***23 | Washer,(Not Shown) | 1 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cylinder Block Related Parts (Cold Terrain Spec.) (Electrical Coolant Heater Spec.)(#29875-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cylinder Block Related Parts (Coolant Heater Spec.)(#29875-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cylinder Block Related Parts (Electrical Coolant Heater Spec.) (Combustion Coolant Heater Spec.)(#30232-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cylinder Block Related Parts(#25749-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cylinder Head
| 01***20 | Bolt (M10-1.75x120) | 6 |
| 04***20 | Pin,Dowel (Welded) | 2 |
| 07***25 | O-Ring,Lubrication Valve | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Cylinder Head Gasket Kit (For D355cda-3d)(#25748-)
| 02***75 | O-Ring,(For Japan) (K1) | 4 |
| 02***81 | O-Ring,Air Connector | 2 |
| 07***25 | O-Ring,Corrosion Resistor | 4 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Damper
| 01***30 | Bolt,(Not Used When Towing Winch) | 6 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 6 |
| 62***00 | Damper Ass'Y | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Ejector Piping(#25748-29347)
| 01***30 | Bolt,(With Body Positioner) | 5 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Ejector Piping(#29348-29874)
| 01***30 | Bolt,(With Body Positioner) | 5 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Ejector Piping(#29875-)
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***49 | Clamp, Hose | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Engine Mounting(#25748-)
| 01***45 | Bolt | 4 |
| 01***95 | Hexagon Bolt | 4 |
| 01***45 | Washer,(Except Pll) | 8 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Exhaust Manifold
| 01***55 | Screw | 2 |
| 01***00 | Screw | 22 |
| 07***08 | Plug,(For W/O. Corrosion Resistor) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Exhaust Pipe And Rain Cap(#25748-29347)
| 61***71 | Cap,Rain | 1 |
| 62***90 | Pipe,Exhaust | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Exhaust Pipe(#29348-)
| 62***91 | Pipe,Exhaust | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fan Belt (Reversible Type) (Forwarded Individually Parts)(#29875-)
| 04***75 | V-Belt Set,Reversible | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fan Belt(#25748-29347)
| 04***74 | V-Belt Set,Fan Drive | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Flywheel Housing(#25748-29874)
| 01***40 | Bolt (Kit) | 5 |
| 01***45 | Capscrew - M16 | 5 |
| 01***50 | Capscrew | 5 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Flywheel Housing(#29875-)
| 01***45 | Capscrew - M16 | 5 |
| 01***50 | Capscrew | 5 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Flywheel(#25748-)
| 01***50 | Bolt | 6 |
| 61***90 | Pin,Dowel | 1 |
| 62***00 | Flywheel Ass'Y | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Front Cover And Breather Related Parts(#25749-29874)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Front Cover And Breather Related Parts(#26075-)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Front Cover(#25748-25748)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Front Cover(#25749-)
| 07***16 | Plug, Expansion | 7 |
| 62***70 | Sleeve | 1 |
| 62***10 | Cover,Front | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Front Power Take Off
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 5 |
| 01***30 | Bolt,(With Body Positioner) | 3 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Front Power Take Off (Without Front Power Take Off)(#25749-29874)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***15 | Bolt, Fan Mounting | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Front Power Take Off (Without Front Power Take Off)(#29875-)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***15 | Bolt, Fan Mounting | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Front Power Take Off(#25748-25748)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 5 |
| 01***30 | Bolt,(With Body Positioner) | 3 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Filter
| 01***40 | Screw, Hex Socket | 1 |
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Filter(#25748-29874)
| 01***40 | Screw, Hex Socket | 1 |
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump (Coupling) (Inner Parts)(#25748-29874)
| DK***00 | Coupling | 1 |
| DK***00 | Bolt | 6 |
| DK***00 | Bolt | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump (Coupling) (Inner Parts)(#29875-)
| DK***00 | Coupling | 1 |
| DK***00 | Bolt | 6 |
| DK***00 | Bolt | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump (Feed Pump) (Inner Parts)(#25748-29874)
| DK***70 | Feed Pump Ass'Y | 1 |
| DK***20 | Bolt, Joint | 1 |
| DK***20 | Housing | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump (Feed Pump) (Inner Parts)(#29875-)
| DK***20 | Bolt, Joint | 1 |
| DK***20 | Housing | 1 |
| DK***00 | Valve,Check | 4 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#25748-29874)
| DK***00 | Gasket | 1 |
| DK***20 | Flyweight Ass'Y | 1 |
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#29875-)
| DK***00 | Gasket | 1 |
| DK***20 | Flyweight Ass'Y | 1 |
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#25748-29874)
| DK***80 | Shim? 0.5mm | 0 |
| DK***00 | Washer,Spring | 1 |
| DK***80 | Bolt,Eye | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#29875-)
| DK***80 | Shim? 0.5mm | 0 |
| DK***00 | Washer,Spring | 1 |
| DK***80 | Bolt,Eye | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#25748-29874)
| 62***60 | Injection Pump A | 1 |
| DK***30 | Bearing,Roller | 2 |
| DK***00 | Bearing, Center | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#29875-)
| 62***90 | Injection Pump Ass'Y | 1 |
| DK***30 | Bearing,Roller | 2 |
| DK***90 | Pump Ass'Y | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump (Pump) (2/2) (Inner Parts)(#25748-29874)
| DK***20 | Plunger Ass'Y | 1 |
| DK***00 | Shim? 0.875mm | 0 |
| DK***00 | Shim? 0.500mm | 0 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump (Pump) (2/2) (Inner Parts)(#29875-)
| DK***20 | Plunger Ass'Y | 1 |
| DK***20 | Plunger Block A | 6 |
| DK***00 | Shim? 0.875mm | 0 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump Drive(#22653-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 3 |
| 01***19 | Nut | 1 |
| 01***16 | Washer,(For Shipping) | 3 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump Lubricator
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 2 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 2 |
| 07***10 | Screw, Banjo Connector (M10-1.25x20) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump Mounting(#25748-29874)
| 01***90 | Bolt,(For No?1 And No?3 Housing) | 4 |
| 01***16 | Washer,Radio Controlled Slag Handling | 4 |
| 07***10 | Connector, Grease Fitting | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump Mounting(#29875-)
| 01***90 | Bolt,(For No?1 And No?3 Housing) | 4 |
| 01***16 | Washer,Radio Controlled Slag Handling | 4 |
| 07***10 | Connector, Grease Fitting | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump Piping
| 01***25 | Capscrew | 4 |
| 01***30 | Screw | 4 |
| 01***35 | Bolt | 4 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Injection Pump Safety Guard(#25887-)
| 01***10 | Bolt,(With Joy Stick Steering) | 4 |
| 07***10 | Connector, At Case | 1 |
| 62***71 | Cover,Safety | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Fuel Return
| 01***20 | Capscrew | 1 |
| 01***16 | Washer,Radio Controlled Slag Handling | 1 |
| 04***10 | Clip,(For Mono Lever Steering) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Head Cover Mounting(#26084-)
| 01***55 | Screw | 18 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Head Cover(#22537-26083)
| 01***55 | Screw | 18 |
| 62***11 | Cover,Rocker Arm Housing | 6 |
| 62***20 | Gasket, Rocker Lever Housing | 6 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Head Cover(#26084-)
| 62***11 | Cover,Rocker Arm Housing | 6 |
| 62***20 | Gasket, Rocker Lever Housing | 6 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Heat Shield(#22537-29685)
| 01***20 | Bolt,(For Mono Lever Steering) | 7 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Heat Shield(#25748-29874)
| 01***20 | Bolt,(For Mono Lever Steering) | 7 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Heat Shield(#29875-)
| 01***20 | Bolt,(For Mono Lever Steering) | 7 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***90 | Capscrew | 3 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Heater Switch Wiring(#28602-)
| 01***12 | Bolt,(With Speedometer) | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***60 | Bolt - Upper Cooler Inlet Tubemounting | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Heater Wiring(#25748-29874)
| 01***12 | Bolt,(With Speedometer) | 2 |
| 01***16 | Washer,(For 35a Alternator) | 2 |
| 04***08 | Clip | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Idler Gear(#22537-26525)
| 01***30 | Bolt - M8 X 30lg | 6 |
| 61***60 | Pin, Dowel | 1 |
| 61***43 | Bolt | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Idler Gear(#26526-)
| 01***30 | Bolt - M8 X 30lg | 6 |
| 61***60 | Pin, Dowel | 1 |
| 61***22 | Bolt | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Injection Nozzle(#25748-)
| 01***20 | Capscrew | 6 |
| 07***21 | O-Ring,Oil Cooler Pipe | 6 |
| 07***21 | Seal, O-Ring | 6 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Muffler(#25748-29347)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***95 | Capscrew | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Muffler(#29348-29874)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***95 | Capscrew | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Muffler(#29875-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***95 | Capscrew | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Russian)(#25748-25749)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***63 | Plate? Instruction,Air Cleaner | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Name Plate And Caution Plate(#25750-29270)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***63 | Plate? Instruction,Air Cleaner | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Name Plate And Caution(#29271-)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 60***00 | Plate,(Limited Supply) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Nozzle Holder (Inner Parts)(#25748-)
| 62***31 | Connector | 1 |
| 62***00 | Nozzle Holder Ass'Y | 6 |
| 62***20 | Nozzle | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Adapter
| 01***16 | Bolt,(For Slag Handling) | 3 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***60 | Bolt,(F4320-52a0 -5- ) | 5 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Adapter(#25748-29874)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 3 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***60 | Bolt,(F4320-52a0 -5- ) | 5 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Cooler(#22653-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***30 | Bolt,(With Body Positioner) | 13 |
| 01***60 | Bolt,(F4320-52a0 -5- ) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Cooler(#25748-29874)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***30 | Bolt,(With Body Positioner) | 13 |
| 01***60 | Bolt,(F4320-52a0 -5- ) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Filter
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Filter(#25748-29874)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Level Gauge
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Level Gauge (Cold Terrain Spec.) (Electrical Type Coolant Heater Spec.)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Level Gauge (Electrical Coolant Heater Spec.) (Coolant Heater Spec.)(#30232-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Level Gauge(#25748-29874)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Pan And Suction Tube
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 42 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Pan And Suction Tube (Cold Terrain Spec.) (Electrical Coolant Heater Spec.)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 42 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Pan And Suction Tube (Electrical Coolant Heater Spec.) (Coolant Heater Spec.)(#30232-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 28 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Pan And Suction Tube(#25748-29874)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 28 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Pan Cover (Electrical Coolant Heater Spec.) (Combustion Coolant Heater Spec.)(#30232-)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 11 |
| 01***30 | Bolt,(With Body Positioner) | 4 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Pan Cover(#25748-29874)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 11 |
| 01***30 | Bolt,(With Body Positioner) | 4 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Oil Pump
| 01***25 | Bolt,(Rear Attachment Less) | 4 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 1 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Piston
| 02***13 | Pin, Dowel | 2 |
| 04***20 | Ring, Retaining | 12 |
| 62***10 | Bolt | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Power Take Off And Lubricator(#25748-29874)
| 01***20 | Bolt,(For Mono Lever Steering) | 7 |
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Power Take Off And Lubricator(#29875-)
| 01***20 | Bolt,(For Mono Lever Steering) | 7 |
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Rocker Arm And Housing(#24649-26074)
| 01***80 | Bolt (M12-2.00x80) | 6 |
| 01***80 | Bolt (M10-1.50x80) | 17 |
| 01***20 | Bolt (M12-1.75x120) | 12 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Rocker Arm And Housing(#26075-)
| 01***80 | Bolt (M12-2.00x80) | 6 |
| 01***80 | Bolt (M10-1.50x80) | 17 |
| 01***20 | Bolt (M12-1.75x120) | 12 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Safety Guard(#25748-29348)
| 01***10 | Bolt,(With Joy Stick Steering) | 4 |
| 17***60 | Elbow | 1 |
| 62***70 | Cover,Safety | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Spare Parts(#25748-29347)
| 04***74 | V-Belt Set,Fan Drive | 1 |
| 60***91 | Cartridge,Oil Filter | 2 |
| 60***52 | Cartridge,Fuel | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Spare Parts(#29348-)
| 04***75 | V-Belt Set,Reversible? (B) | 1 |
| 60***91 | Cartridge,Oil Filter | 2 |
| 60***52 | Cartridge,Fuel | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Spare Parts(#29875-)
| 04***75 | V-Belt Set,Reversible | 1 |
| 60***31 | Cartridge, Oil Filter | 2 |
| 60***32 | Cartridge,Fuel Filter | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Starting Motor (11kw) (Inner Parts)(#25748-29874)
| 60***10 | Starting Motor Ass'Y,(11kw) | 1 |
| SD***X0 | Pinion Clutch Ass'Y | 1 |
| SD***X0 | Bearing,Ball | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Starting Motor (11kw) (Inner Parts)(#29271-30933)
| 60***30 | Starting Motor Ass'Y,(11kw) | 1 |
| SD***X0 | Pinion Clutch Ass'Y | 1 |
| SD***X0 | Bearing,Ball | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Starting Motor Mounting (11kw)(#25748-29874)
| 01***40 | Bolt (Kit) | 6 |
| 62***10 | Gasket,(See Fig.A6210) | 2 |
| (6***0) | Starting Motor Ass'Y,(11kw) (See Fig.A6210-B4c3z) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Starting Motor Mounting (11kw)(#29271-)
| 01***30 | Bolt, Tank Mounting | 3 |
| 01***40 | Bolt (Kit) | 3 |
| 61***10 | Cover | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Tension Pulley (With Hardening Pulley)(#25748-29874)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***40 | Bolt (Op) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Tension Pulley (With Hardening Pulley)(#29875-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***40 | Bolt (Op) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Thermostat Housing And Bypass Piping(#25748-29347)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***45 | Bolt,(With Water Separator Type) | 1 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Thermostat Housing And Bypass Piping(#29347-29874)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Thermostat Housing(#29271-)
| 01***50 | Bolt,(Spark Arrester Spec.) | 2 |
| 01***65 | Screw | 5 |
| 01***10 | Bolt | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Turbocharger (Extreme Cold Terrain Spec.) (Inner Parts)(#29875-)
| 01***16 | Bolt | 4 |
| 01***16 | Bolt | 8 |
| 04***08 | Pin, Dowel | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Turbocharger (Inner Parts)
| 01***16 | Bolt | 4 |
| 01***16 | Bolt | 8 |
| 01***16 | Bolt | 8 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Turbocharger (Inner Parts)(#25748-29874)
| 01***16 | Bolt | 4 |
| 01***16 | Bolt | 8 |
| 04***08 | Pin, Dowel | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Turbocharger Mounting
| 61***90 | Nut, Mounting | 4 |
| 61***10 | Screw | 4 |
| 62***31 | Gasket, Turbocharger | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Turbocharger Mounting (Extreme Cold Terrain Spec.)(#29875-)
| 61***90 | Nut, Mounting | 4 |
| 61***10 | Screw | 4 |
| 62***31 | Gasket, Turbocharger | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Turbocharger Mounting(#25748-29874)
| 61***90 | Nut, Mounting | 4 |
| 61***10 | Screw | 4 |
| 62***31 | Gasket, Turbocharger | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Turbocharger Oil Piping
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 3 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Turbocharger Oil Piping (Extreme Cold Terrain Spec.)(#29875-)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 3 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Turbocharger Oil Piping(#25748-29874)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 3 |
| 01***90 | Bolt,(For No?1 And No?3 Housing) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Water Pump Gasket Kit (For D355cda-3d)(#25748-)
| 02***37 | O-Ring,(For Pc750?1800) (A5010) | 2 |
| 07***55 | O-Ring,Front Accessory Drive | 2 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Water Pump(#25748-29874)
| 01***95 | Capscrew | 3 |
| 01***16 | Washer,Radio Controlled Slag Handling | 3 |
| 02***37 | O-Ring,(For Pc750?1800) (A5010) | 2 |
Komatsu : Sa6d140-2c-G(S/N 22537-Up) : Engine : Water Pump(#29271-)
| 01***95 | Capscrew | 3 |
| 01***16 | Washer,Radio Controlled Slag Handling | 3 |
| 02***37 | O-Ring,(For Pc750?1800) (A5010) | 2 |
SA6D140-2C-G(S/N 22537-UP) serial number reference
The PIN plate is located on the right-hand side of the cab on the lower frame, typically just behind the front idler or beneath the operator's window. Read the 17-character ISO PIN stamped on the emissions/export plate; the first three characters (KMT) identify the manufacturer, while positions 4–8 encode the model family and configuration.
| Prefix | Identifies | Notes |
|---|---|---|
| SA6D140-2C-G | Engine Model | SA6D140-2C-G engine fitted to machines with serial number 22537-UP. Source: published references catalog listing for Komatsu SA6D140-2C-G. Confirm with dealer. |
Frequently asked questions
What is the engine type for the Komatsu SA6D140-2C-G?
It is a 6-cylinder, turbocharged, aftercooled diesel engine with a displacement of approximately 15.2 liters (928 cubic inches).
What is the operating weight range of machines using this engine?
Operating weight varies by configuration and host machine (e.g., D155A dozer, PC1600SP-1 excavator), typically ranging from 34,000 to 87,083 lb (15,420 to 39,450 kg).
What engine replaced the SA6D140-2C-G?
It was succeeded by newer emissions-compliant generations, such as the SA6D140E-3 and later Tier 4 Final/Stage V compliant engines, depending on the machine model and region.
What SA6D140-2C-G(S/N 22537-UP) owners discuss
What are the known powertrain and hydraulic behaviors for the Komatsu SA6D140-2C-G engine series?
The SA6D140-2C-G is a 6-cylinder, inline, turbocharged, and aftercooled diesel engine with a displacement of 15.2 liters (927 cubic inches) and a bore of 140 mm (5.51 inches). Power output varies by configuration and series, typically ranging from 368 kW (493 hp) at 1900 rpm to higher ratings depending on the specific machine application. The engine is water-cooled and designed for heavy-duty applications in bulldozers and excavators. Community consensus notes that Komatsu hydraulic systems are generally smooth and fuel-efficient, but the engine and hydraulic pump are closely linked; failure in the hydraulic pump often indicates imminent engine wear due to shared contamination or load patterns. Early dash-6 machines in this lineage were noted for specific valve problems, particularly on PC150 and PC120 models, which can affect resale value and long-term reliability if not addressed.
What undercarriage or wear patterns are typical for machines using this engine type?
Machines equipped with the SA6D140-2C-G engine, such as the D155A and D355C dozers, are subject to significant undercarriage wear due to their heavy operating weights and high torque output. Common wear patterns include accelerated track pad degradation, bushing wear in the track chain, and roller failure. Owners report that components like bushings and bearings are subjected to extreme stress, leading to noise and vibration if not replaced promptly. Worn bearings can cause premature failure of the tracks. Regular inspection of track tension and undercarriage alignment is critical, as mud or debris packed into the undercarriage can exacerbate wear on rollers and track chains. The line is generally designed to wear out complete machines all at once, meaning undercarriage replacement often coincides with major powertrain service intervals.
What are the common engine quirks per the SA6D140-2C-G series?
The SA6D140-2C-G engine is known for robust performance but requires strict adherence to maintenance schedules to avoid common issues. Key quirks include sensitivity to fuel quality and filter condition; loss of power under load is often traced to air or fuel restrictions rather than internal engine failure. Overheating is a frequent concern in dusty environments, with clogged spaces between the radiator, hydraulic oil cooler, and charge-air cooler being a primary cause. The engine relies on a precise fuel injection system, and injector wear or failing fuel delivery components can lead to increased fuel usage and power loss. Additionally, the engine's cooling system must be monitored closely, as coolant expulsion or high pressure shortly after a cold start may indicate deeper engine issues. The engine is designed for durability but suffers from reduced efficiency if the cooling package is not kept clean.
What are the common electrical and sensor issues for this engine?
Komatsu excavators and dozers with this engine series rely heavily on electronic control systems, making them susceptible to sensor-related faults. Common issues include intermittent starting, dashboard failures, and random machine shutdowns, often triggered by a single faulty sensor or unstable power supply. Owners report that multiple fault codes can appear simultaneously due to ground issues or connector corrosion. The engine control module depends on stable voltage; a battery that shows acceptable voltage until the starter is loaded can cause starting failures. It is essential to perform load and voltage-drop tests on the battery and check engine and chassis grounds before replacing starter components. Unstable power supplies can trigger multiple warning signals, complicating diagnostics.
What should be checked when buying a used machine with the SA6D140-2C-G engine (S/N 22537-UP)?
When purchasing a used machine with the SA6D140-2C-G engine (S/N 22537-UP), verify the exact serial range to confirm the engine model, as specifications vary by configuration and series. Check the hydraulic system for signs of internal leakage, especially when the machine is hot, as weak hydraulics at operating temperature indicate pump or valve wear. Inspect the cooling package for debris packed between heat exchangers, which can cause overheating. Test the engine under load to ensure it maintains RPM without excessive fuel consumption or power loss. Check for intermittent starting or dashboard failures, which may indicate electrical or sensor issues. Inspect the undercarriage for wear on track pads, bushings, and rollers, as these components are subject to significant stress. Verify the condition of the fuel filters and water separator, as restricted fuel supply can mimic engine failure. Finally, check for any history of valve problems, particularly if the machine is an early dash-6 model, as these can affect long-term reliability.
What are the recommended fluid specifications for the SA6D140-2C-G engine?
For the SA6D140-2C-G engine, use Komatsu EO or equivalent diesel engine oil that meets Komatsu’s specifications for heavy-duty diesel engines. Hydraulic oil should be Komatsu TO or equivalent high-quality hydraulic fluid suitable for the operating temperature range. Coolant should be Komatsu Super Coolant AF-NAC or equivalent ethylene glycol-based coolant with appropriate corrosion inhibitors. Always consult the operation and maintenance manual for the specific machine to confirm the exact fluid grades and capacities, as they vary by configuration and series. Do not mix different types of coolants or hydraulic oils, as this can lead to seal degradation and system failure.
What safety-critical fixes are associated with the SA6D140-2C-G engine?
Safety-critical fixes for the SA6D140-2C-G engine include ensuring the cooling system is free of blockages to prevent overheating, which can lead to catastrophic engine failure. Verify that the fuel system is free of air leaks, as air ingress can cause sudden power loss and engine stalling. Check all electrical grounds and battery connections to prevent random shutdowns that could leave the machine in a hazardous position. Ensure the hydraulic system pressure is within spec to prevent hose failures or cylinder leaks. Have your dealer verify the engine’s compression and fuel injection timing to ensure safe and efficient operation.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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