Komatsuengine(no series)

Komatsu S6D140E-2B-6(S/N 22537-UP)

Maintenance schedule, common problems & OEM parts breakdown

Search live S6D140E-2B-6(S/N 22537-UP) parts

The Komatsu S6D140E-2B-6 is a 6-cylinder, turbocharged, aftercooled diesel engine belonging to the 6D140-2 series. It is a mechanically governed inline-six designed for heavy-duty applications, specifically powering the Komatsu D275A-5 crawler dozer. The engine is rated in the 306 kW (410 HP) class and was built for the D275A-5's earlier production run, which covered roughly 50-tonne class earthmoving work in mining and quarry operations. The host machine carries an operating weight of approximately 49,850 kg (109,900 lb), varying by blade and undercarriage configuration. The S6D140E-2B-6 served as the predecessor to the SDA6D140E-3 generation used in later-serial D275A-5 chassis, and the line eventually transitioned to the D275A-5R with the larger SAA6D140E-5 engine. Configurations included standard climate builds and a -50°C arctic-spec variant.

Across the D275A-5's production life, Komatsu moved the engine from the -2E-9 build to the -3 generation without changing the dozer's model designation, reflecting a shift toward more compact, higher-boost engines that stepped down in displacement from the predecessor's 6D170-family engine while holding comparable power. This mechanically governed, pre-electronic engine remains valued in the used and parts market for its simplicity and serviceability in remote or extreme-climate operations where diagnostic support is limited. As factory parts supply shifts toward the newer -3 and SAA6D140E-5 generations, demand grows for rebuilt injection pumps, turbochargers, and other take-off components to keep early-serial D275A-5 dozers running.

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 S6D140E-2B-6(S/N 22537-UP) specifications

Engine

Model	S6D140E-2B-6
Series/Generation	6D140 Series (S6D140E-2B-6 variant)
Type	Turbocharged, aftercooled diesel
Cylinders	6
Displacement	15.2 L (930 in³)
Bore	140 mm (5.51 in)
Stroke	150 mm (5.91 in)
Emissions Tier	Not documented for this exact serial range — verify with your dealer
Gross/Net Power	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
Dig/Dump/Lift/Drawbar	Not documented for this exact serial range — verify with your dealer

Service capacities (summary)

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
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

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

S6D140E-2B-6(S/N 22537-UP) fluids & capacities

System	Capacity	Recommended fluid
Engine crankcase (with filter)	87–99 L (23–26 US gal)	Komatsu Genuine diesel engine oil (EO series, e.g. EO10W-30-DH / EO15W-40-DH) meeting JASO DH-1, API CI-4 and ACEA E7. Grade is picked from the machine's viscosity-by-ambient-temperature chart — lighter 10W-30 for cold climates, 15W-40 for temperate to warm climates.
Cooling system (radiator and engine block)	99–107 L (26–28 US gal)	Komatsu Super Coolant AF-NAC, factory pre-mixed antifreeze/coolant for year-round use and extended service life. Top off with the same AF-NAC concentration; do not mix coolant types.
Fuel tank	not applicable to this item	This is a bare engine assembly fitted across several Komatsu machine chassis depending on arrangement; fuel, transmission, hydraulic, final-drive and axle capacities and fluid choices are set by the host machine's own operation & maintenance manual, not the engine documentation.
Transmission/powertrain compartments	not applicable to this item	This is a bare engine assembly fitted across several Komatsu machine chassis depending on arrangement; fuel, transmission, hydraulic, final-drive and axle capacities and fluid choices are set by the host machine's own operation & maintenance manual, not the engine documentation.
Final drives	not applicable to this item	This is a bare engine assembly fitted across several Komatsu machine chassis depending on arrangement; fuel, transmission, hydraulic, final-drive and axle capacities and fluid choices are set by the host machine's own operation & maintenance manual, not the engine documentation.
Hydraulic system and tank	not applicable to this item	This is a bare engine assembly fitted across several Komatsu machine chassis depending on arrangement; fuel, transmission, hydraulic, final-drive and axle capacities and fluid choices are set by the host machine's own operation & maintenance manual, not the engine documentation.
Axles/differentials	not applicable to this item	This is a bare engine assembly fitted across several Komatsu machine chassis depending on arrangement; fuel, transmission, hydraulic, final-drive and axle capacities and fluid choices are set by the host machine's own operation & maintenance manual, not the engine documentation.
Grease (spec only)	n/a — specification only	Komatsu Genuine multipurpose grease (lithium EP / moly-EP type) for any external linkage or mounting points on the engine or its brackets, where equipped. Follow the host machine's lubrication interval chart.

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

Komatsu S6D140E-2B-6(S/N 22537-UP) maintenance schedule

Service interval	Tasks
Every 10 h	Check engine oil level and top up with cold-weather-grade oil before starting each shift. Check coolant level in the sub-tank and look for leaks around the block, water pump, and turbocharger housing. Drain water and sediment from the fuel tank and fuel pre-filter/water separator. Check the corrosion resistor cartridge sight glass on the coolant circuit and replace the element if discolored. Inspect fan belt tension and condition for cracking from repeated cold starts. Check turbocharger intake ducting and clamps for looseness or cracks.
Every 250 h	Change engine oil and replace the oil filter, using the viscosity grade specified for the operating climate. Replace the fuel filter cartridge. Clean or replace the air cleaner outer element and inspect the safety element. Grease the injection pump and governor linkage points. Clean the radiator and oil cooler cores of debris and packed dust. Check turbocharger and exhaust manifold mounting bolts for correct torque.
Every 500 h	Replace the corrosion resistor cartridge on the engine coolant circuit. Check and adjust fan belt tension; replace a worn or glazed belt. Clean the crankcase breather and fuel tank breather. Inspect the turbocharger for oil seepage at the compressor and turbine seals. Check engine mounting bolts and isolators for looseness. Test coolant freeze-point protection ahead of continued cold-region service.
Every 1,000 h	Replace the fuel pre-filter/water separator element and the main fuel filter. Check and adjust valve clearance per the mechanical fuel-injection engine's service settings. Inspect and clean the turbocharger compressor and turbine housings. Sample engine oil for wear-metal and coolant-contamination analysis. Check injection pump timing and governor linkage adjustment. Inspect the aftercooler core and intake piping for leaks or fouling.
Every 2,000 h	Drain and replace engine coolant; flush the cooling system and renew the corrosion resistor. Inspect the fuel injection pump and nozzles; test and reset injection timing. Check turbocharger shaft end-play and bearing wear; rebuild or replace if out of tolerance. Re-torque cylinder head bolts to the mechanical-injection engine's specification. Check the water pump and thermostat for wear and correct opening temperature. Inspect the cold-start aid circuit (intake heater or ether-assist system) fitted for -50C operation.
Every 4,000 h	Remove and inspect cylinder liners, pistons, and rings against factory wear tolerances. Rebuild or replace the turbocharger as a unit. Check crankshaft main and rod bearing clearances. Inspect the camshaft and timing gear train for wear.
Every 8,000 h	Perform a top-end overhaul: recondition the cylinder head, valve seats, and guides. Replace the injection nozzles and pump as a matched set. Inspect the block for cold-climate stress cracking near coolant passages. Rebuild the turbocharger core assembly, replacing wear-prone bearings and seals.

Servicing the S6D140E-2B-6(S/N 22537-UP) beyond the schedule

Predictive Maintenance & Fluid Analysis

Run scheduled engine oil sampling on the S6D140E-2B-6 to catch wear-metal trends before the mechanically governed injection pump or turbocharger bearings fail outright. This engine carries no ECM fault codes, so oil analysis and coolant testing are the only early-warning tools available. Track soot loading and iron/copper counts against baseline, watch coolant freeze point and corrosion-resistor cartridge condition closely given the -50°C spec, and log fuel filter differential pressure to predict injection pump wear on the D275A-5 it powers.

Corrective & Common Repairs

Typical corrective work on this engine centers on the mechanical governor and injection pump linkage, turbocharger seal seepage, and cracked or loose air intake ducting from constant thermal cycling in cold-region service. Corrosion resistor cartridge neglect leads to internal coolant passage pitting in the block and head, a frequent complaint on high-hour D275A-5 dozers. Fan belt and mounting isolator wear is common due to repeated cold starts, requiring regular tension checks and replacement to prevent drive failure.

Overhaul & Rebuild Points

At 4,000 hours, remove and inspect cylinder liners, pistons, and rings against factory wear tolerances, and check crankshaft main and rod bearing clearances. At 8,000 hours, perform a top-end overhaul by reconditioning the cylinder head, valve seats, and guides, and replace the injection nozzles and pump as a matched set. Inspect the block for cold-climate stress cracking near coolant passages and rebuild the turbocharger core assembly, replacing wear-prone bearings and seals.

Seasonal & Environment Servicing

Built for -50°C arctic-spec D275A-5 dozers, this engine needs cold-start discipline: verify the intake air heater or ether-assist starting aid, switch to arctic-grade engine oil and fuel ahead of winter, and confirm coolant concentration protects to the rated temperature before each cold season. Check fan belt tension and condition for cracking from repeated cold starts, and inspect turbocharger intake ducting and clamps for looseness or cracks caused by thermal cycling.

S6D140E-2B-6(S/N 22537-UP) common service parts

Part number	Part	Notes
07281-00197	Clamp,(With Pre-Fuel Filter)	Fuel system service	Check fitment →
600-311-7132	Cartridge,Fuel Filter	Fuel system service	Check fitment →
6128-81-7042	Element Assembly, Air Cleaner	Air intake service	Check fitment →
09637-90263	Plate? Instruction,Air Cleaner Element Mainte	Air intake service	Check fitment →
09637-30163	Plate? Instruction,Air Cleaner (Single Element)	Air intake service	Check fitment →

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

S6D140E-2B-6(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
CA441	Battery voltage too low	Weak battery or charging system issue	Replace the battery or alternator and check the voltage regulator
CA442	Battery voltage too high	Faulty voltage regulator or alternator	Replace the alternator or battery and check the voltage regulator
CA122	Intake air pressure sensor feedback voltage too high	Sensor malfunction or wiring issue	Verify the intake pressure sensor and wiring
CA123	Intake air pressure sensor feedback voltage too low	Sensor short or airflow restriction	Check for a sensor short or an airflow restriction
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
CA452	Common rail pressure sensor feedback value too low	Sensor malfunction or fuel supply issue	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, engine load cycle, or operator misuse
CA111	Internal engine controller fault	ECM internal failure	Replace or reprogram the ECM
AA10NX	Air cleaner clogging	Dirty or blocked air filter	Replace the air filter

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

S6D140E-2B-6(S/N 22537-UP) attachments & work tools

Bulldozer Blade Configurations

The S6D140E-2B-6 engine powers the D275A-5 series dozers, which utilize semi-U or universal blades with capacities varying by configuration. Factory guarding options include heavy-duty side cutters and corner guards for high-abrasion environments.

Excavator Bucket Families

Compatible with PC900-class excavators using buckets ranging from 2.8 to 6.1 cubic meters. Coupler systems vary by configuration/series, typically utilizing standard pin-on or quick-attach mechanisms depending on the specific boom and stick assembly.

Wheel Loader Bucket Configurations

Used in WA500 series loaders with bucket capacities typically ranging from 4.0 to 6.0 cubic meters. Hydraulic kit arrangements require specific pilot and relief valve settings to match the bucket's breakout force requirements.

Mining Dump Truck Bodies

The engine is specified for HM350-1L and HM400-2 rigid dump trucks with body capacities around 35 to 40 metric tons. Factory configurations include reinforced floor plates and side skirts for mining applications.

Hydraulic System Options

Hydraulic fluid specifications include Komatsu HYDO or equivalent high-zinc anti-wear oils. Coolant specifications require Komatsu Super Coolant AF-NAC or equivalent ethylene glycol mixtures to protect the aluminum block and head.

All S6D140E-2B-6(S/N 22537-UP) assemblies by section

Every catalogued assembly group for the Komatsu S6D140E-2B-6(S/N 22537-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Engine

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Accessory Pulley (Hardening Pulley) (With Air Conditioner)(#23535-)

01***30	Bolt,(With Body Positioner)	3
04***18	Ring, Snap	1
06***04	Bearing,Ball	2
07***60	O-Ring,(For Pc750?800?1800) (A2610)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Accessory Pulley (With Air Conditioner)(#23535-)

01***30	Bolt,(With Body Positioner)	3
04***18	Ring, Snap	1
06***04	Bearing,Ball	2
07***60	O-Ring,(For Pc750?800?1800) (A2610)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Accessory Pulley (Without Pulley)(#23535-)

01***20	Bolt,(For Mono Lever Steering)	3
07***60	O-Ring,(For Pc750?800?1800) (A2610)	1
62***80	Cover	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Air Cleaner(#23535-29278)

01***20	Bolt,(For Mono Lever Steering)	3
01***25	Bolt,(For Canvas Canopy?Head Guard)	7
01***35	Bolt,(F4320-52a0 -5 )	1
01***40	Bolt (Op)	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Air Cleaner(#29279-)

01***20	Bolt,(For Mono Lever Steering)	3
01***25	Bolt,(For Canvas Canopy?Head Guard)	7
01***35	Bolt,(F4320-52a0 -5 )	1
01***40	Capscrew	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Air Compressor (Inner Parts)(#23535-)

62***13	Air Compressor Ass'Y	1
DK***00	Flange	1
DK***00	Bearing	1
DK***00	Guide,Spring	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Air Compressor Gasket Kit(#23535-)

07***23	O-Ring,(For Shipping) (K6)	1
07***34	O-Ring,(F2320-62a0 -7 )	2
07***19	Gasket,(For Hd325-6) (See Fig.A7010)	7
07***25	Gasket (Kit)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Air Compressor Mounting (1/2)(#23535-)

01***00	Bolt,(For Front Brake Release)	3
01***30	Bolt	4
01***12	Nut	1
01***60	Flat Washer - M20 (Hardened)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Air Compressor Relif Valve (2/2)(#23535-)

01***35	Bolt,(For Fix Position)	1
01***45	Bolt,(With Water Separator Type)	1
01***55	Bolt,(See Service News)	2
01***15	Bolt, Fan Mounting	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Air Intake Manifold(#23535-)

01***75	Bolt (M10-1.50x75)	12
01***35	Capscrew	9
01***75	Screw	3
01***16	Washer,Radio Controlled Slag Handling	21

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Air Vent(#23535-25739)

01***20	Bolt	1
01***16	Washer,Radio Controlled Slag Handling	1
07***15	Gasket,(Hd325?Pc750?800?1800) (A5010)	13
07***10	Screw, Banjo Connector (M10-1.25x20)	5

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Air Vent(#25740-)

01***20	Bolt	1
01***16	Washer,Radio Controlled Slag Handling	1
07***15	Gasket,(Hd325?Pc750?800?1800) (A5010)	13
07***10	Screw, Banjo Connector (M10-1.25x20)	5

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Alternator (50a) (With Hardening Pulley) (Inner Parts)(#23535-27995)

60***10	Alternator A. (50a)	1
SD***X0	Coil Assembly	1
SD***X0	Washer	1
SD***X0	Bracket, Rear	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Alternator (50a) (With Non Hardening Pulley) (Inner Parts)(#23535-27995)

60***70	Alternator A. (50a)	1
SD***X0	Coil Assembly	1
SD***X0	Washer	1
SD***X0	Bracket, Rear	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Alternator (60a) (With Hardening Pulley) (Inner Parts)(#27996-)

60***70	Alternator A. (60a),(See Fig.A6010-B4k6)	1
KD***70	Bushing,Insulate	2
KD***40	Bushing,Insulate	1
KD***80	Bearing, Ball	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Alternator (60a) (With Non Hardening Pulley) (Inner Parts)(#27996-)

60***10	Alternator A. (60a)	1
KD***70	Bushing,Insulate	1
KD***40	Bushing,Insulate	1
KD***80	Bearing, Ball	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Alternator (75a) (With Hardening Pulley) (Inner Parts)(#24911-30743)

60***10	Alternator A. (75a)	1
SD***X0	Coil Assembly	1
SD***X0	Washer	1
SD***X0	Bracket, Rear	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Alternator (75a) (With Non Hardening Pulley) (Inner Parts)(#23535-)

60***10	Alternator A. (75a)	1
SD***X0	Coil Assembly	1
SD***X0	Washer	1
SD***X0	Bracket, Rear	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Alternator Mounting (50a) (With Hardening Pulley)(#23535-)

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
01***55	Screw	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Alternator Mounting (50a) (With Non Hardening Pulley)(#23535-)

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
01***55	Screw	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Alternator Mounting (75a) (With Hardening Pulley)(#24911-)

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
01***55	Screw	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Alternator Mounting (75a) (With Non Hardening Pulley)(#23535-)

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
01***55	Screw	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Camfollower Cover(#23535-)

01***30	Bolt,(With Body Positioner)	5
01***65	Bolt - Return Line And Suction Linehose Clamps	1
01***70	Bolt - Bracket And Oil Inlet Tubemounting	1
01***16	Washer,Radio Controlled Slag Handling	3

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Camfollower(#26075-)

04***12	Ring, Retaining	4
61***30	Pin,Dowel	12
61***20	Ball	1
62***10	Cam Follower Assembly	6

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Camshaft And Camfollower(#23227-25091)

01***20	Bolt (M12-1.75x20)	2
04***25	Key, Plain Woodruff	1
04***12	Ring, Retaining	4
61***30	Pin,Dowel	12

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Camshaft And Camfollower(#25092-26074)

01***20	Bolt (M12-1.75x20)	2
04***25	Key, Plain Woodruff	1
04***12	Ring, Retaining	4
61***30	Pin,Dowel	12

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(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
62***20	Gear, Camshaft (Left Hand)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Cooling Fan (Suction Fan)(#25035-)

01***50	Bolt,(Spark Arrester Spec.)	6
01***55	Bolt,(See Service News)	6
01***32	Washer,(With Auto Emergency Steering)	6
60***50	Fan,(Cold Weather Spec.)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Cooling Fan(#23535-28360)

01***30	Bolt,(With Body Positioner)	6
01***55	Bolt,(See Service News)	6
01***32	Washer,(With Auto Emergency Steering)	6
60***51	Fan,Cooling	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Cooling Fan(#28361-)

01***30	Bolt,(With Body Positioner)	6
01***55	Bolt,(See Service News)	6
01***32	Washer,(With Auto Emergency Steering)	6
60***50	Fan, Cooling	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Corrosion Resistor(#23535-)

01***16	Bolt, Battery To Frame Ground Wire Attaching	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	4
01***90	Bolt,(For No?1 And No?3 Housing)	1
01***08	Nut, Regular Hexagon (M10-1.50)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Crank Pulley (Hardening)(#23227-)

04***24	Pin,Dowel (For No.3 Housing)	1
62***20	Bolt	6
62***10	Pulley? Hardening	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Crank Pulley (Non Hardening)(#23227-)

04***24	Pin,Dowel (For No.3 Housing)	1
62***20	Bolt	6
62***40	Pulley?Non Hardening	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Crankshaft

61***30	Key Parallel	1
62***00	Bearing Assembly	1
62***10	Main Bearing Assembly	7
62***50	Thrust Bearing Assembly	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Cylinder Block (1/2) (With Block Heater)(#23535-25748)

01***45	Washer,(Without R.O.P.S.)	14
04***14	Pin, Dowel	2
04***20	Pin,Dowel (Welded)	12
04***24	Pin,Dowel (For No.3 Housing)	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Cylinder Block (1/2)(#23535-25748)

01***45	Washer,(Without R.O.P.S.)	14
04***14	Pin, Dowel	2
04***20	Pin,Dowel (Welded)	12
04***24	Pin,Dowel (For No.3 Housing)	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(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
04***24	Pin,Dowel (For No.3 Housing)	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(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
04***24	Pin,Dowel (For No.3 Housing)	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Cylinder Block (2/2) (With Block Heater)(#23535-25748)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	6
01***25	Bolt,(Without Rops Guard? Canopy)	2
01***25	Screw	6

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Cylinder Block (2/2)(#23535-25748)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	6
01***25	Bolt,(Without Rops Guard? Canopy)	2
01***25	Screw	6

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(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
02***04	Plug, Pipe	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(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
02***04	Plug, Pipe	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Cylinder Block Gasket Kit(#23535-)

01***12	Washer,(F2320-63a2 -13 )	2
07***60	O-Ring,(For Pc750?800?1800) (A2610)	1
07***00	O-Ring,(F4350-65a1 -5 )	1
07***25	O-Ring,Corrosion Resistor	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Cylinder Block Mounting (With Block Heater)(#26185-)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	6
07***25	O-Ring,Corrosion Resistor	1
07***15	Plug,(For Without Air Compressor)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Cylinder Block Mounting(#26185-)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	6
07***25	O-Ring,Corrosion Resistor	1
07***15	Plug,(For Without Air Compressor)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(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
07***25	O-Ring,(For Pc1800e-6)(See Fig.A3110)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Cylinder Head Gasket Kit(#23227-)

02***75	O-Ring,(For Japan) (K1)	4
02***81	O-Ring,Air Connector	2
07***21	O-Ring,Oil Cooler Pipe	18
07***25	O-Ring,Lubrication Valve	6

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(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
62***00	Damper Ass'Y	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Ejector Piping(#23535-29278)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***35	Bolt,(F4320-52a0 -5 )	2
01***75	Bolt (M10-1.50x75)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Ejector Piping(#29279-)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***35	Bolt,(F4320-52a0 -5 )	2
01***75	Bolt (M10-1.50x75)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Engine Mounting(#23535-)

01***50	Bolt,(For Tbg/Abe Spec.)	4
01***80	Bolt,(For Adjustable Rod)	4
01***80	Bolt,(B)	4
01***45	Washer,(For Travel Motor) (Not Show)	8

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Engine Stop Motor(#23227-28358)

01***16	Bolt - Box Mounting	3
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	3
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	2
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Engine Stop Motor(#28359-)

01***16	Bolt - Box Mounting	3
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	3
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	2
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	3

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Exhaust Manifold(#23535-)

01***55	Screw	2
01***00	Screw	22
61***20	Spacer,(For Shipping)	22
62***20	Spacer	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fan Drive (With Hardening Pulley)(#23535-)

01***12	Bolt - M8 - 1.25 X 12	6
01***20	Bolt, Wiring Harness Mounting Bracket	2
01***30	Bolt,(With Body Positioner)	2
01***35	Bolt, Mount Ground Driven Steering Pump	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fan Drive (With Non Hardening Pulley)(#23535-)

01***12	Bolt - M8 - 1.25 X 12	6
01***20	Bolt, Wiring Harness Mounting Bracket	2
01***30	Bolt,(With Body Positioner)	2
01***35	Bolt, Mount Ground Driven Steering Pump	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fan Pulley (With Hardening Pulley)(#23535-)

04***70	V-Belt Set,Fan Drive	1
62***50	Pulley? Hardening	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fan Pulley (With Non Hardening Pulley)(#23535-)

04***70	V-Belt Set,Fan Drive	1
62***20	Pulley	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Flywheel

61***51	Gear, Ring	1
62***50	Bolt	6
62***00	Flywheel Ass'Y	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Flywheel Housing(#23535-)

01***45	Bolt,(For Slag Handling)	8
01***60	Bolt, Hanger Bearing Mounting	2
01***45	Capscrew - M16	8
01***60	Capscrew	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Front Cover Mounting(#26119-)

01***16	Bolt - Box Mounting	2
01***30	Bolt - M8 X 30lg	2
01***20	Bolt,(For Mono Lever Steering)	2
01***50	Bolt,(Spark Arrester Spec.)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Front Cover(#23535-26083)

01***16	Bolt - Box Mounting	2
01***30	Bolt - M8 X 30lg	2
01***20	Bolt,(For Mono Lever Steering)	2
01***50	Bolt,(Spark Arrester Spec.)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Front Cover(#26084-)

07***16	Plug, Expansion	7
62***10	Cover,Front	1
67***21	Seal? Front,(See Fig.A2040)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Front Power Take Off(#23535-)

01***20	Bolt,(For Mono Lever Steering)	5
01***35	Bolt, Mount Ground Driven Steering Pump	1
01***10	Nut,(Without Air Conditioner)	3
07***60	O-Ring,(For Pc750?800?1800) (A2610)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fuel Filter(#23535-)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***30	Bolt,(With Body Positioner)	2
01***10	Bolt,(With Joy Stick Steering)	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fuel Injection Pump (Coupling) (Inner Parts)(#23535-)

DK***00	Coupling	1
DK***00	Bolt	6
DK***00	Bolt	2
DK***00	Bolt	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fuel Injection Pump (Feed Pump) (Inner Parts)(#23535-)

DK***20	Bolt, Joint	1
DK***20	Housing	1
DK***00	Valve,Check	4
DK***70	Feed Pump Ass'Y	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#23535-)

DK***00	Gasket	1
DK***20	Flyweight Ass'Y	1
DK***00	Shim? 2.00mm,(High Altitude Spec.)	0
DK***10	Key? 13mm,Woodruff	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#23535-)

DK***00	Spring,Governor	1
DK***00	Gasket	1
DK***00	Nut,Cap	1
DK***00	Bushing	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#23535-)

62***70	Injection Pump A	1
DK***30	Bearing,Roller	2
DK***00	Bearing, Center	1
DK***00	Shim? 0.50mm	0

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fuel Injection Pump (Pump) (2/2) (Inner Parts)(#23535-)

DK***20	Plunger Ass'Y	1
DK***20	Plunger Block A	6
DK***00	Shim? 0.875mm	0
DK***00	Shim? 0.500mm	0

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(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
01***60	Washer,(Without Rops Guard? Canopy)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fuel Injection Pump Lubricator(#23227-)

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
07***14	Screw, Banjo Connector (M10)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fuel Injection Pump Mounting(#23535-)

01***90	Bolt,(For No?1 And No?3 Housing)	4
01***16	Washer,Radio Controlled Slag Handling	4
(6***0)	Injection Pump A.,(See Fig.A4010-B4g3)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fuel Injection Pump Piping

01***25	Capscrew	4
01***30	Screw	4
01***35	Bolt	4
01***20	Bolt, Wiring Harness Mounting Bracket	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Fuel Return(#23535-)

07***12	Tube,(See Fig.0404-10)	1
07***85	Clip	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Head Cover Mounting(#26084-)

01***55

Screw

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Head Cover(#26084-)

62***11	Cover,Rocker Arm Housing	6
62***20	Gasket, Rocker Lever Housing	6

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Heater Switch Wiring(#23535-)

01***10	Bolt,(With Auto Emergency Steering)	2
01***14	Bolt - Fuel Sensor Mounting	1
01***10	Washer,(For 35a Alternator)	2
08***14	Clip - Harness	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(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
62***14	Shaft	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Idler Gear(#26526-)

01***30	Bolt - M8 X 30lg	6
61***60	Pin, Dowel	1
61***22	Bolt	1
62***22	Plate, Thrust	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Injection Nozzle(#23227-)

01***20	Capscrew	6
07***21	O-Ring,Oil Cooler Pipe	18
07***21	Seal, O-Ring	6
07***12	Gasket,Mechanical Pump Piping	12

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Injection Pump Safety Guard(#23535-)

01***25	Bolt,(For Canvas Canopy?Head Guard)	2
01***55	Bolt,(See Service News)	1
01***32	Washer,(With Auto Emergency Steering)	3
61***30	Spacer,Safety	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Lubricating Oil Filter And Adapter(#23535-)

01***16	Bolt - Seat And Tether Belt Mounting	3
01***30	Bolt,(With Body Positioner)	2
01***60	Bolt,(F4320-52a0 -5- )	5
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Muffler(#23535-29278)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***55	Bolt,(See Service News)	4
01***45	Capscrew	3

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Muffler(#29279-)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***55	Bolt,(See Service News)	4
01***45	Capscrew	3

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Arabic)(#23535-29278)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***91	Plate? Name,(Limited Supply) (Arabic)	1
09***63	Plate? Instruction,(For Arabic)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Chinese)(#22885-27348)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***40	Plate? Name,(Limited Supply)	1
09***63	Plate? Instruction,Air Cleaner Element Mainte	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Czech)(#23535-29278)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***40	Plate? Name,(Limited Supply)	1
09***63	Plate? Instruction,Air Cleaner	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (English)(#22885-27348)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***63	Plate? Instruction,Air Cleaner (Single Element)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (English)(#26611-29278)

04***50	Screw	4
09***63	Plate? Instruction,Air Cleaner (Single Element)	1
61***10	Plate? Name,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (For Regulation Of Epa) (For Eu Exhaust Gas Regulation)(#29279-)

04***50	Screw	4
61***10	Plate? License,(Limited Supply)	1
61***11	Plate? License,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (For Regulation Of Epa)(#23535-29278)

04***50	Screw	4
09***63	Plate? Instruction,Air Cleaner (Single Element)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (For Regulation Of Epa)(#27478-)

04***50

Screw

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (French)(#22885-27348)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***40	Plate? Name,(Limited Supply) (French)	1
09***63	Plate? Instruction,Air Cleaner Element Mainte	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (French)(#26517-29278)

04***50	Screw	4
09***63	Plate? Instruction,Air Cleaner Element Mainte	1
61***10	Plate? Name,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (French)(#28116-29278)

04***50	Screw	4
09***23	Plate? Instruction,Air Cleaner	1
61***11	Plate? License,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (German)(#22885-27348)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***40	Plate? Name,(Limited Supply) (German)	1
09***63	Plate? Instruction,Air Cleaner Element Mainte	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (German)(#26611-29278)

04***50	Screw	4
09***63	Plate? Instruction,Air Cleaner Element Mainte	1
61***10	Plate? Name,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (German)(#28116-29278)

04***50	Screw	4
09***63	Plate? Instruction,Air Cleaner Element Mainte	1
61***10	Plate? License,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Greek)(#23535-29278)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***40	Plate? Name,(Limited Supply)	1
09***63	Plate? Instruction,Air Cleaner	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Greek)(#26611-29278)

04***50	Screw	4
09***63	Plate? Instruction,Air Cleaner	1
61***10	Plate? Name,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Greek)(#28116-29278)

04***50	Screw	4
09***63	Plate? Instruction,Air Cleaner	1
61***10	Plate? License,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Indonesian)(#22885-27348)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***40	Plate? Name,(Limited Supply)	1
09***63	Plate? Instruction,(For Indonesia)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Italian)(#22885-27348)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***40	Plate? Name,(Limited Supply)	1
09***63	Plate? Instruction,(For Italian)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Italian)(#26611-29278)

04***50	Screw	4
09***63	Plate? Instruction,(For Italian)	1
61***10	Plate? Name,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Italian)(#28116-29278)

04***50	Screw	4
09***63	Plate? Instruction,(For Italian)	1
61***10	Plate? License,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Japanese-English)(#27478-)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
60***40	Plate? Name,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Perusian)(#23535-29278)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***91	Plate? Name,(Limited Supply) (Persian)	1
09***63	Plate? Instruction,(For Persian)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Polish)(#23535-29278)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***40	Plate? Name,(Limited Supply)	1
09***63	Plate? Instruction,Air Cleaner	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Portuguese)(#22885-27348)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***40	Plate? Name,(Limited Supply)	1
09***63	Plate? Instruction,Air Cleaner Instruction	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Portuguese)(#26611-29278)

04***50	Screw	4
09***63	Plate? Instruction,Air Cleaner Instruction	1
61***10	Plate? Name,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Portuguese)(#28116-29278)

04***50	Screw	4
09***63	Plate? Instruction,Air Cleaner Instruction	1
61***10	Plate? License,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Russian)(#22885-27348)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***40	Plate? Name,(Limited Supply)	1
09***63	Plate? Instruction,Air Cleaner	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Spanish)(#22885-27348)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***40	Plate? Name,(Limited Supply)	1
09***63	Plate? Instruction,(Spanish) (Not Shown)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Spanish)(#26611-29278)

04***50	Screw	4
09***63	Plate? Instruction,(Spanish) (Not Shown)	1
61***10	Plate? Name,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Spanish)(#28116-29278)

04***50	Screw	4
09***63	Plate? Instruction,(Spanish) (Not Shown)	1
61***11	Plate? License,(Limited Supply)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Nozzle Holder (Inner Parts)(#23227-)

62***31	Connector	1
62***00	Nozzle Holder Ass'Y	6
62***20	Nozzle	1
62***10	Holder Ass'Y	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Oil Cooler

01***20	Bolt, Wiring Harness Mounting Bracket	2
01***30	Bolt,(With Body Positioner)	13
01***60	Bolt,(F4320-52a0 -5- )	2
01***90	Capscrew	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Oil Level Gauge (With Oil Pan Heater)(#23535-)

01***16	Bolt - Seat And Tether Belt Mounting	1
01***06	Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806	1
01***16	Washer,(For 35a Alternator)	1
61***50	Clip	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Oil Level Gauge (Without Oil Pan Heater)(#23535-)

01***16	Bolt - Seat And Tether Belt Mounting	1
01***06	Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806	1
01***16	Washer,(For 35a Alternator)	1
61***50	Clip	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Oil Pan And Suction Tube (With Oil Pan Heater)(#23535-)

01***25	Bolt,(For Canvas Canopy?Head Guard)	40
01***30	Bolt,(With Body Positioner)	2
01***50	Bolt,(Spark Arrester Spec.)	1
01***12	Bolt,(See Fig. K0210-16a0)	3

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Oil Pan And Suction Tube (Without Oil Pan Heater)(#23535-)

01***25	Bolt,(For Canvas Canopy?Head Guard)	40
01***30	Bolt,(With Body Positioner)	2
01***12	Bolt,(See Fig. K0210-16a0)	3
01***12	Bolt	3

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(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
01***25	Washer,Spring?(Sandy And Dusty Spec.)	4

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Piston

02***13	Pin, Dowel	2
04***20	Ring, Retaining	12
62***10	Bolt	2
62***40	Bearing Assembly	6

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Rocker Arm And Housing(#23227-25091)

01***80	Bolt (M12-2.00x80)	6
01***80	Bolt (M10-1.50x80)	16
01***20	Bolt (M12-1.75x120)	12
01***08	Nut,R.H. Thread	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Rocker Arm And Housing(#25092-26074)

01***80	Bolt (M12-2.00x80)	6
01***80	Bolt (M10-1.50x80)	16
01***20	Bolt (M12-1.75x120)	12
01***08	Nut,R.H. Thread	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Rocker Arm And Housing(#26075-)

01***80	Bolt (M12-2.00x80)	6
01***80	Bolt (M10-1.50x80)	16
01***20	Bolt (M12-1.75x120)	12
01***08	Nut,R.H. Thread	2

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Spare Parts(#23535-29278)

04***70	V-Belt Set,Fan Drive	1
60***31	Cartridge, Oil Filter	1
60***32	Cartridge,Fuel Filter	1
60***80	V-Belt,Alternator Drive	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Starting Motor (11kw) (Inner Parts)(#23535-)

60***22	Starting Motor Ass'Y,(11kw)	1
SD***X0	Bearing,Ball	1
SD***X0	Bracket,Rear	1
SD***X0	Brush Holder Ass'Y	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Starting Motor Mounting (11kw)(#23535-)

01***40	Bolt,(With Center Guard)	3
01***40	Bolt (Kit)	3
01***16	Bolt, Battery To Frame Ground Wire Attaching	1
01***16	Washer,Radio Controlled Slag Handling	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Tamper Proof Kit (For Regulation Of Epa)(#23257-)

61***10

Tamper Proof Kit

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Turbocharger (Inner Parts)(#23227-)

01***16	Bolt	4
01***16	Bolt	8
01***16	Bolt	8
04***08	Pin, Dowel	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Turbocharger Mounting And Lubricator(#23227-)

01***20	Bolt,(For Mono Lever Steering)	1
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

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Water Pump Gasket Kit(#23535-)

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
07***15	O-Ring,(For Low Speed) (D40pf)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Water Pump(#23535-25739)

01***20	Bolt, Wiring Harness Mounting Bracket	6
01***20	Bolt,(For Mono Lever Steering)	3
01***25	Bolt,(For Canvas Canopy?Head Guard)	2
01***80	Bolt,(With Corrosion Resistor)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Water Pump(#25740-)

01***20	Bolt,(Large Capacity Type) (Std)	3
01***20	Bolt, Wiring Harness Mounting Bracket	6
01***25	Bolt,(For Canvas Canopy?Head Guard)	2
01***80	Bolt,(With Corrosion Resistor)	1

See all parts with full part numbers in Heavy Parts AI →

Komatsu : S6d140e-2b-6(S/N 22537-Up) : Engine : Water Separator(#22653-25713)

07***12	Gasket,Mechanical Pump Piping	1
60***31	Separator Assembly, Water	1
60***60	Plug,Drain (4d105-5h? 4d105-5t)	1
60***90	O-Ring,Seal	1

See all parts with full part numbers in Heavy Parts AI →

S6D140E-2B-6(S/N 22537-UP) serial number reference

The engine serial plate is riveted to the engine block, typically on the left side near the injection pump. The prefix is the first part of the engine model designation (e.g., S6D140E-2B-6), not a chassis PIN prefix. The serial number (22537-UP) follows the model code on the plate.

Prefix	Identifies	Notes
S6D140E-2B-6	Engine Model	Komatsu S6D140E-2B-6 engine. S/N 22537-UP. 6-cylinder, turbocharged, aftercooled diesel. Displacement 15.2 liters. Bore 140 mm. Used in PC900 series excavators and other heavy equipment. Emissions tier varies by configuration/series (pre-Tier 3 to Tier 4 depending on specific build date and market). Verify with dealer for exact emissions spec.

Frequently asked questions

What is the engine type?

The Komatsu S6D140E-2B-6 is a 6-cylinder, turbocharged, aftercooled diesel engine from the 6D140-2 series. It is a mechanically governed inline-six designed for heavy-duty applications.

What is the operating weight of the host machine?

The host machine, the Komatsu D275A-5 crawler dozer, carries an operating weight of approximately 49,850 kg (109,900 lb), varying by blade and undercarriage configuration.

What replaced it?

Later-serial D275A-5 chassis moved to the newer SDA6D140E-3 generation of the same base engine, and the line eventually introduced the D275A-5R with the larger SAA6D140E-5 engine as the current top-of-line machine in this size class.

Need a specific S6D140E-2B-6(S/N 22537-UP) part?

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

Search parts in the app