Komatsuengine(no series)

Komatsu SAA6D140E-2B-8(S/N 22537-UP)

Maintenance schedule, common problems & OEM parts breakdown

Search live SAA6D140E-2B-8(S/N 22537-UP) parts

The Komatsu SAA6D140E-2B-8 (S/N 22537-UP) is a 6-cylinder, water-cooled, turbocharged, and aftercooled diesel engine belonging to the 6D140-2 series. It powers the Komatsu D275A-5 crawler dozer, a roughly 50-tonne class machine designed for mining, quarry, and heavy earthmoving applications. The engine features a 140 mm bore and 165 mm stroke, yielding a displacement of 15.24 L (930 cu in). Production years for this specific serial range correspond to the earlier build of the D275A-5, preceding the transition to the SDA6D140E-3 generation and the later D275A-5R models. Configurations included a standard climate build and a -50°C arctic-spec variant equipped with specialized cold-start aids.

Across the D275A-5's production life, Komatsu shifted from this mechanically governed, pre-electronic engine to the SDA6D140E-3 generation, and eventually to the electronically controlled SAA6D140E-5 in the D275A-5R. The SAA6D140E-2B-8 represents a step down in displacement from the predecessor D275A-2's 6D170-family engine, holding comparable power through higher boost and aftercooling. In the used and parts market, this engine remains valued for its simplicity and serviceability in remote or extreme-climate operations where diagnostic support is limited. As factory parts supply shifts toward newer generations, demand grows for rebuilt injection pumps, turbochargers, and 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 SAA6D140E-2B-8(S/N 22537-UP) specifications

Engine

Model	SAA6D140E-2B-8
Series/Generation	SAA6D140E-2 Series
Cylinders	6
Displacement	15.2 L (930 in³)
Bore	140 mm (5.51 in)
Stroke	150 mm (5.91 in)
Type	Turbocharged, air-to-air aftercooled, water-cooled diesel
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

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.

SAA6D140E-2B-8(S/N 22537-UP) fluids & capacities

System	Capacity	Recommended fluid
Engine crankcase (with oil 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 SAA6D140E-2B-8(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 inspect for leaks around the block, water pump, and turbocharger housing. Drain water and sediment from the fuel tank and fuel pre-filter/water separator. 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 SAA6D140E-2B-8(S/N 22537-UP) beyond the schedule

Predictive Maintenance & Fluid Analysis

Run scheduled engine oil sampling on the SAA6D140E-2B-8 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 -50C 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 failure often follows repeated cold starts, requiring tension checks and replacement to prevent drive loss.

Overhaul & Rebuild Points

At 4,000 hours, remove and inspect cylinder liners, pistons, and rings against factory wear tolerances while checking crankshaft main and rod bearing clearances. The turbocharger requires unit rebuild or replacement at this interval. By 8,000 hours, perform a top-end overhaul: recondition the cylinder head, valve seats, and guides. Replace the injection nozzles and pump as a matched set, and inspect the block for cold-climate stress cracking near coolant passages.

Seasonal & Environment Servicing

For the -50C arctic-spec configuration, inspect the cold-start aid circuit (intake heater or ether-assist system) every 2,000 hours. Test coolant freeze-point protection ahead of continued cold-region service at 500-hour intervals. Use Komatsu Genuine diesel engine oil (EO series) selected from the viscosity-by-ambient-temperature chart—lighter 10W-30 for cold climates, 15W-40 for temperate to warm climates. Top off cooling system with Komatsu Super Coolant AF-NAC; do not mix coolant types.

SAA6D140E-2B-8(S/N 22537-UP) common service parts

Part number	Part	Notes
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 →
09637-30263	Plate? Instruction,Air Cleaner Element Mainte	Air intake service	Check fitment →
09637-81163	Plate? Instruction,Air Cleaner Element Mainte	Air intake service	Check fitment →
600-181-4400	Element Assembly, Outer	Scheduled service item	Check fitment →

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SAA6D140E-2B-8(S/N 22537-UP) fault codes & troubleshooting

Code	Meaning	Likely cause	What to do
CA115	Engine crankshaft speed sensor and backup 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 hardware failure or corruption	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	Weak battery, failing alternator, or poor connections	Replace the alternator or battery; check the voltage regulator
CA442	Battery voltage too high	Failing voltage regulator or alternator	Replace the alternator or battery; check the voltage regulator
CA122	Intake air pressure sensor feedback voltage too high	Faulty intake pressure sensor 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
CA153	Intake air temperature sensor feedback voltage too high	Faulty IAT sensor	Replace or test the IAT sensor
CA154	Intake air temperature sensor feedback voltage too low	Faulty IAT sensor or short	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.

SAA6D140E-2B-8(S/N 22537-UP) attachments & work tools

Dozer Blade Configurations

The SAA6D140E-2B-8 engine powers the D275A-5 series crawler dozer, a roughly 50-tonne class machine. Factory configurations for this size class typically include semi-U or U-blade options with varying widths and depths to match the machine's operating weight and power delivery.

Ripper Attachments

Multi-shank or single-shank rippers are standard work tools for the D275A-5 dozer frame. These attachments require high hydraulic flow and pressure from the machine's main pump to penetrate hard ground, utilizing the engine's torque characteristics for effective breakout force.

Undercarriage & Ground Engagement

The machine class utilizes heavy-duty track shoes and undercarriage components designed for mining and quarry applications. Shoe width and configuration vary by ground condition, with wider shoes offered for soft terrain and narrower, grousers for rocky surfaces to maximize traction and stability.

Hydraulic System Requirements

Work tools for this engine class require specific hydraulic kit arrangements to interface with the machine's main control valve. Factory specifications dictate flow rates and pressure settings to ensure optimal tool performance and engine load management during heavy digging or ripping operations.

Engine Generation Context

The SAA6D140E-2B-8 is a mechanically governed, pre-electronic engine used in early-serial D275A-5 dozers. Later-serial units in this size class transitioned to the SDA6D140E-3 generation, while the current top-of-line D275A-5R uses the SAA6D140E-5 engine rated at approximately 335 kW (449 HP).

All SAA6D140E-2B-8(S/N 22537-UP) assemblies by section

Every catalogued assembly group for the Komatsu SAA6D140E-2B-8(S/N 22537-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Engine

Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : After Cooler (Chassis Mount)(#22885-27353)

07***05	Clamp,Hose	12
62***20	Tube	1
62***50	Hose	1
62***60	Hose	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : After Cooler (Forwarded Individually Parts)(#27354-27621)

07***05	Clamp,Hose	12
62***20	Tube	1
62***50	Hose	1
62***60	Hose	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : After Cooler (Ordering Transferded Parts)(#27354-)

62***00

After Cooler Ass'Y

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : After Cooler Mounting (Forwarded Individually Parts) (Ordering Transferded Parts)(#27354-)

07***05	Clamp,Hose	12
62***20	Tube	1
62***50	Hose	1
62***60	Hose	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Air Cleaner (Inner Parts)(#22885-)

60***70	Nut, Wing	1
60***00	Element Assembly, Outer	1
60***01	Element Ass'Y,Outer	1
60***20	Nut, Wing	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Air Cleaner Mounting(#22885-)

01***20	Bolt,(For Mono Lever Steering)	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	4
01***30	Bolt,(With Body Positioner)	4
01***35	Bolt,(F4320-52a0 -5 )	12

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Air Compressor (Inner Parts)(#22885-)

62***21	Air Compressor Ass'Y	1
62***22	Air Compressor Ass'Y	1
DK***20	Unloader Valve A	1
DK***00	Seat,Intake Valve	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Air Compressor Gasket Kit(#22885-)

07***25	O-Ring,(See Fig. H0311-01a0-30)	1
07***25	Gasket (Kit)	1
07***40	Gasket (K8)	1
07***12	Gasket,(Without Air Compressor Type) (K2)	8

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Air Compressor Mounting(#22885-)

Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Air Intake Manifold(#22885-)

01***25	Bolt,(For Canvas Canopy?Head Guard)	2
01***30	Bolt,(With Body Positioner)	6
01***75	Bolt (M10-1.50x75)	12
01***30	Capscrew (1)	12

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Air Vent (Cold Terrain Spec.)(#24698-25645)

01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***20	Bolt	1
01***32	Washer,(With Auto Emergency Steering)	3
07***15	Gasket,(Hd325?Pc750?800?1800) (A5010)	13

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Air Vent (Cold Terrain Spec.)(#25646-27353)

01***30	Bolt,(With Body Positioner)	1
01***20	Screw	1
01***32	Washer,(With Auto Emergency Steering)	3
07***15	Gasket,(Hd325?Pc750?800?1800) (A5010)	13

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Air Vent (Cold Terrain Spec.)(#27354-)

01***30	Bolt,(With Body Positioner)	1
01***20	Screw	1
01***32	Washer,(With Auto Emergency Steering)	3
07***15	Gasket,(Hd325?Pc750?800?1800) (A5010)	13

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Air Vent(#22885-25645)

01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***20	Bolt	1
01***32	Washer,(With Auto Emergency Steering)	3
07***15	Gasket,(Hd325?Pc750?800?1800) (A5010)	13

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Air Vent(#25646-27353)

01***30	Bolt,(With Body Positioner)	1
01***20	Screw	1
01***32	Washer,(With Auto Emergency Steering)	3
07***15	Gasket,(Hd325?Pc750?800?1800) (A5010)	13

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Air Vent(#27354-)

01***30	Bolt,(With Body Positioner)	1
01***20	Screw	1
01***32	Washer,(With Auto Emergency Steering)	3
07***15	Gasket,(Hd325?Pc750?800?1800) (A5010)	13

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Alternator (50a) (Injury From Salt Terrain Spec.) (Inner Parts)(#22885-28175)

60***10	Alternator A. (50a)	1
SD***X0	Coil Assembly	1
SD***X0	Fan Ass'Y	1
SD***X0	Washer	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Alternator (50a) (Injury From Salt Terrain Spec.) (Inner Parts)(#28176-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Alternator (50a) (With Hardening Pulley) (Inner Parts)(#22653-28037)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Alternator (50a) (With Hardening Pulley) (Inner Parts)(#28038-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Alternator (50a) (With Non Hardening Pulley) (Inner Parts)(#22653-28037)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Alternator (50a) (With Non Hardening Pulley) (Inner Parts)(#28038-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Alternator (75a) (With Hardening Pulley) (Inner Parts)(#24993-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Alternator (75a) (With Non Hardening Pulley) (Inner Parts)(#22653-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Alternator Mounting (50a) (Injury From Salt Terrain Spec.)(#22885-)

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***20	Screw	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Alternator Mounting (50a) (With Hardening Pulley)(#22653-)

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***20	Screw	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Alternator Mounting (50a) (With Non Hardening Pulley)(#22653-)

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***20	Screw	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Alternator Mounting (75a) (With Non Hardening Pulley)(#22653-)

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***20	Screw	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Alternator Mounting (75a)(#24993-)

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***20	Screw	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Camfollower Cover (With Oil By-Pass Filter)(#22885-)

01***30	Bolt,(With Body Positioner)	5
01***60	Bolt,(F4320-52a0 -5- )	1
01***70	Bolt - Bracket And Oil Inlet Tubemounting	1
01***16	Washer,Radio Controlled Slag Handling	3

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Camfollower Cover(#26526-)

01***30	Bolt,(With Body Positioner)	5
01***60	Bolt,(F4320-52a0 -5- )	1
01***70	Bolt - Bracket And Oil Inlet Tubemounting	1
01***16	Washer,Radio Controlled Slag Handling	3

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Camshaft And Camfollower(#22537-24648)

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

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Komatsu : Saa6d140e-2b-8(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
61***20	Ball	1

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Caution Plate (Arabic) (Ordering Transferded Parts)(#27120-)

09***63

Plate? Instruction,(For Arabic)

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Caution Plate (Chinese) (Ordering Transferded Parts)(#27120-)

09***63

Plate? Instruction,Air Cleaner Element Mainte

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Caution Plate (English)(#27017-)

09***63

Plate? Instruction,Air Cleaner (Single Element)

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Caution Plate (Franch) (Ordering Transferded Parts)(#27120-)

09***63

Plate? Instruction,Air Cleaner Element Mainte

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Caution Plate (German) (Ordering Transferded Parts)(#27120-)

09***63

Plate? Instruction,Air Cleaner Element Mainte

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Caution Plate (Indonesian) (Ordering Transferded Parts)(#27120-)

09***63

Plate? Instruction,(For Indonesia)

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Caution Plate (Italian) (Ordering Transferded Parts)(#27120-)

09***63

Plate? Instruction,(For Italian)

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Caution Plate (Portuguese) (Ordering Transferded Parts)(#27120-)

09***63

Plate? Instruction,Air Cleaner Instruction

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Caution Plate (Russian) (Ordering Transferded Parts)(#27120-)

09***63

Plate? Instruction,Air Cleaner

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Caution Plate (Spanish) (Ordering Transferded Parts)(#27120-)

09***63

Plate? Instruction,(Spanish) (Not Shown)

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cooling Fan (Ordering Transferded Parts)(#23227-)

60***80

Fan,Cooling

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cooling Fan(#22885-23226)

60***80

Fan,Cooling

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Corrosion Resistor(#22885-)

01***20	Bolt,(For Mono Lever Steering)	1
01***16	Washer,Radio Controlled Slag Handling	1
02***25	Bolt,(Cold Weather Spec.)	4
04***10	Clip,See Fig. K4010-17a0	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Crank Pulley (With Hardening Pulley)(#22885-)

04***24	Pin,Dowel (For No.3 Housing)	1
62***20	Bolt	6
62***60	Pulley? Hardening	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Crank Pulley (With Non Hardening Pulley)(#22885-)

04***24	Pin,Dowel (For No.3 Housing)	1
62***20	Bolt	6
62***50	Pulley?Non Hardening	1

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block (1/2) (Cold Terrain Spec.)(#22885-26083)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block (1/2) (With Block Heater And Fuel Conbustion Type Coolant Heater)(#24698-26083)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block (1/2) (With Fuel Cambustion Type Coolant Heater)(#22885-24697)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block (1/2) (With Fuel Cambustion Type Coolant Heater)(#24698-26083)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block (1/2)(#22885-26083)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block (1/2)(#26084-26672)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block (1/2)(#26673-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block (2/2) (Cold Terrain Spec.)(#22885-26083)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	7
01***25	Bolt,(Without Rops Guard? Canopy)	3
01***35	Bolt, Mount Bracket To Floor	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block (2/2) (With Block Heater And Fuel Conbustion Type Coolant Heater)(#24698-26083)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	5
01***60	Bolt,(F4320-52a0 -5- )	1
01***25	Bolt,(Without Rops Guard? Canopy)	3

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block (2/2) (With Fuel Cambustion Type Coolant Heater)(#22885-24697)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	7
01***25	Bolt,(Without Rops Guard? Canopy)	3
01***35	Bolt, Mount Bracket To Floor	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block (2/2) (With Fuel Cambustion Type Coolant Heater)(#24698-26083)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	5
01***60	Bolt,(F4320-52a0 -5- )	1
01***25	Bolt,(Without Rops Guard? Canopy)	3

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block (2/2)(#22885-26083)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	7
01***25	Bolt,(Without Rops Guard? Canopy)	3
01***35	Bolt, Mount Bracket To Floor	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block (2/2)(#26084-26672)

01***25	Bolt,(Without Rops Guard? Canopy)	2
01***25	Screw	6
01***16	Washer,(With Water Separator)	6
02***04	Plug, Pipe	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block (2/2)(#26673-)

01***25	Bolt,(Without Rops Guard? Canopy)	2
01***25	Screw	6
01***16	Washer,(With Water Separator)	6
02***04	Plug, Pipe	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block Gasket Kit(#22885-)

07***60	O-Ring,(For Pc750?800?1800) (A2610)	1
07***65	O-Ring,Injection Pump Case	1
07***25	O-Ring,Corrosion Resistor	1
07***50	O-Ring,Front Cover Plate	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block Mounting (Cold Terrain Spec.)(#26084-)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	7
01***25	Bolt,(Without Rops Guard? Canopy)	1
01***14	Bolt - Fuel Sensor Mounting	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block Mounting (With Fuel Cambustion Type Coolant Heater)(#26084-)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	5
01***60	Bolt,(F4320-52a0 -5- )	1
01***25	Bolt,(Without Rops Guard? Canopy)	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Block Mounting(#26084-)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	7
01***25	Bolt,(Without Rops Guard? Canopy)	1
01***14	Bolt - Fuel Sensor Mounting	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Head Gasket Kit(#22885-)

02***75	O-Ring,(For Japan) (K1)	4
02***81	O-Ring,Air Connector	2
02***75	O-Ring,(See Fig.A1310)	2
07***21	O-Ring,Oil Cooler Pipe	6

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Cylinder Head(#22653-)

01***20	Bolt (M10-1.75x120)	6
04***20	Pin,Dowel (Welded)	12
07***25	O-Ring,Lubrication Valve	1
07***25	O-Ring,(For Pc1800e-6)(See Fig.A3110)	1

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Ejector Piping(#22885-27271)

01***16	Bolt, Battery To Frame Ground Wire Attaching	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***35	Bolt,(F4320-52a0 -5 )	2
01***40	Bolt (Op)	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Ejector Piping(#27272-)

01***16	Bolt, Battery To Frame Ground Wire Attaching	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***35	Bolt,(F4320-52a0 -5 )	2
01***40	Bolt (Op)	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Engine Mounting(#22885-)

01***40	Bolt,For Weight Adjusting Bolt	5
01***10	Nut,(Without Air Conditioner)	2
01***23	Washer, Flat	7
20***60	Bracket	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Engine Wiring(#22885-)

01***10	Bolt,(With Auto Emergency Steering)	2
01***20	Bolt,(For Mono Lever Steering)	6
01***10	Washer,(For 35a Alternator)	2
01***16	Washer,Radio Controlled Slag Handling	11

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Exhaust Manifold(#22885-)

01***55	Screw	2
01***00	Screw	22
07***08	Plug,(For W/O. Corrosion Resistor)	1
61***20	Spacer,(For Shipping)	22

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Exhaust Pipe (Ordering Transfered Parts)(#27077-)

61***00	Cap,Rain	1
62***61	Pipe	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Fan Belt (Ordering Transferded Parts)(#27372-)

60***10

V-Belt,Fan

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Fan Belt(#22885-23226)

60***50

V-Belt,Fan

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Flywheel

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Flywheel Housing(#22885-)

01***45	Capscrew - M16	8
01***60	Capscrew	2
01***16	Bolt, Battery To Frame Ground Wire Attaching	1
01***16	Washer,Radio Controlled Slag Handling	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Front Cover Mounting(#26084-)

01***16	Bolt - Box Mounting	2
01***30	Bolt - M8 X 30lg	2
01***20	Bolt,(For Mono Lever Steering)	2
01***45	Bolt,(With Water Separator Type)	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Front Cover(#22885-26083)

01***16	Bolt - Box Mounting	2
01***30	Bolt - M8 X 30lg	2
01***20	Bolt,(For Mono Lever Steering)	2
01***45	Bolt,(With Water Separator Type)	2

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Front Power Take Off (With Hardening Pulley)(#22885-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Front Power Take Off(#22653-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Fuel Filter(#22885-)

01***25	Capscrew	1
01***30	Bolt,(With Body Positioner)	4
01***35	Bolt,(F4320-52a0 -5 )	2
01***95	Capscrew	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Coupling) (Inner Parts)(#22885-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Feed Pump) (Inner Parts)(#22885-)

DK***00	Valve,Check	4
DK***20	Bolt,Joint	1
DK***30	Eye,Joint	1
DK***20	Housing	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#22885-)

DK***00	Gasket	1
DK***00	Gear	1
DK***00	Connector	1
DK***00	Shim? 2.00mm,(High Altitude Spec.)	0

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#22885-)

DK***80	Shim? 0.5mm	0
DK***00	Spring	1
DK***20	Lever	1
DK***00	Cover	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#22885-)

62***20	Injection Pump Ass'Y	1
62***21	Injection Pump Ass'Y	1
DK***30	Bearing,Roller	1
DK***00	Coupling	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Pump) (2/2) (Inner Parts)(#22885-)

DK***00	Nut	12
DK***00	Shim? 0.875mm	0
DK***00	Shim? 0.500mm	0
DK***00	Shim? 1.575mm	0

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Fuel Injection Pump Lubricator(#22885-)

07***12	Gasket,(Without Air Compressor Type) (K1)	4
07***14	Screw, Banjo Connector (M10)	2
62***10	Tube,Drain	1
62***10	Tube	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Fuel Injection Pump Mounting(#22885-)

01***90	Bolt,(For No?1 And No?3 Housing)	4
01***16	Washer,Radio Controlled Slag Handling	4
07***12	Gasket,(Without Air Compressor Type) (K1)	2
07***08	Plug,(Without Lock-Up), Plug	1

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Head Cover Mounting(#26084-)

01***55

Screw

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Head Cover(#26084-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Heat Shield(#22885-)

01***20	Bolt, Wiring Harness Mounting Bracket	24
01***20	Bolt,(For Mono Lever Steering)	12
01***25	Bolt,(For Canvas Canopy?Head Guard)	7
01***30	Bolt,(With Body Positioner)	4

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Injection Nozzle(#22885-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Muffler(#22885-27271)

Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Muffler(#27272-)

01***20	Bolt,(For Mono Lever Steering)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***40	Bolt (Op)	4
01***55	Bolt,(See Service News)	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Arabic)(#22885-27348)

04***50	Screw	4
09***40	Plate? Name,(Limited Supply) (English)	1
09***95	Plate? Name	1
09***63	Plate? Instruction,(For Arabic)	1

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (English) (For Eu Exhaust Gas Regulation)(#26302-27348)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (English) (For Regulation Of Epa)(#22537-23008)

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

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (For Eu Exhaust Gas Regulation)(#28053-)

04***50	Screw	4
61***10	Plate? Name,(Limited Supply)	1
61***20	Plate	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (For Regulation Of Epa) (For Eu Exhaust Gas Regulation)(#27349-28052)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (For Regulation Of Epa) (For Eu Regulation Of Epa)(#28053-)

04***50	Screw	4
61***10	Plate? License,(Limited Supply)	1
61***20	Plate? Name,(Limited Supply)	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (For Regulation Of Epa)(#22885-22963)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (For Regulation Of Epa)(#22964-27348)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (For Regulation Of Epa)(#27349-)

04***50

Screw

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (For Regulation Of Epa)(#28053-)

04***50

Screw

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (For Regulation Of Eu)(#26597-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (French) (For Eu Exhaust Gas Regulation)(#26302-27348)

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

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (German) (For Eu Exhaust Gas Regulation)(#26302-27348)

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

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Italian) (For Eu Wxhaust Gas Regulation)(#26302-27348)

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

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Portuguese) (For Eu Exhaust Gas Regulation)(#26302-27348)

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

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Spanish) (For Eu Exhaust Gas Regulation)(#26302-27348)

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

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate(#27349-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Nozzle Holder (Inner Parts)(#22885-)

62***31	Connector	1
62***12	Holder Ass'Y,(See Fig.A4210-B7a4)	1
62***00	Nozzle Holder Ass'Y	6
62***20	Nozzle	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Oil Adapter (With Oil By-Pass Filter)(#22885-)

01***16	Bolt - Seat And Tether Belt Mounting	3
01***16	Bolt, Battery To Frame Ground Wire Attaching	2
01***30	Bolt,(With Body Positioner)	2
01***60	Bolt,(F4320-52a0 -5- )	7

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Oil Adapter(#22885-)

01***16	Bolt - Seat And Tether Belt Mounting	3
01***16	Bolt, Battery To Frame Ground Wire Attaching	2
01***30	Bolt,(With Body Positioner)	2
01***60	Bolt,(F4320-52a0 -5- )	7

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Komatsu : Saa6d140e-2b-8(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
01***90	Capscrew	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Oil Filter (With Oil By-Pass Filter)(#22885-)

01***30	Bolt,(With Body Positioner)	24
01***35	Bolt,(F4320-52a0 -5 )	8
01***45	Bolt,(With Water Separator Type)	4
01***55	Bolt,(See Service News)	4

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Oil Filter(#22885-)

01***30	Bolt,(With Body Positioner)	20
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	4
01***40	Bolt,(Shim 3-Piece)	4
01***45	Bolt, Bracket Mounting	4

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Oil Level Gauge (Cold Terrain Spec.)(#22885-)

01***20	Bolt,(Forwarded Individually Parts)	1
01***06	Nut	1
61***21	Plate	1
61***50	Clip	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Oil Level Gauge(#22885-)

01***20	Bolt,(Forwarded Individually Parts)	1
01***06	Nut	1
61***21	Plate	1
61***50	Clip	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Oil Pan And Suction Tube (Cold Terrain Spec.)(#22885-)

01***12	Bolt - Front Cover Mounting	3
01***25	Bolt,(For Canvas Canopy?Head Guard)	40
01***30	Bolt,(With Body Positioner)	4
01***50	Bolt,(Spark Arrester Spec.)	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Oil Pan And Suction Tube(#22885-)

01***12	Bolt - Front Cover Mounting	3
01***25	Bolt,(For Canvas Canopy?Head Guard)	40
01***30	Bolt,(With Body Positioner)	4
01***12	Bolt,(See Fig. K0210-16a0)	3

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Oil Pump(#22653-)

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

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Komatsu : Saa6d140e-2b-8(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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Rocker Arm And Housing(#22537-24648)

01***80	Bolt (M12-2.00x80)	6
01***80	Bolt (M10-1.50x80)	17
01***20	Bolt (M12-1.75x120)	12
01***08	Nut,R.H. Thread	2

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Komatsu : Saa6d140e-2b-8(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
01***08	Nut,R.H. Thread	2

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Komatsu : Saa6d140e-2b-8(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
01***08	Nut,R.H. Thread	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Safety Guard(#22653-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Spare Parts (Ordering Transferded Parts)(#27372-)

60***70	Nut, Wing	1
60***01	Element Ass'Y,Outer	1
60***20	Nut, Wing	1
60***30	Clip,Snap	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Spare Parts(#22885-26590)

60***70	Nut, Wing	1
60***00	Element Assembly, Outer	1
60***01	Element Ass'Y,Outer	1
60***20	Nut, Wing	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Spare Parts(#26591-27353)

60***70	Nut, Wing	1
60***01	Element Ass'Y,Outer	1
60***20	Nut, Wing	1
60***30	Clip,Snap	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Starting Motor (11kw) (Inner Parts)(#22653-28710)

60***10	Starting Motor Ass'Y,(11kw)	1
SD***X0	Bearing,Ball	1
SD***X0	Brush Holder Ass'Y	1
SD***X6	Brush,(For 1st Service Only)	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Starting Motor (11kw) (Inner Parts)(#28711-)

60***11	Starting Motor Ass'Y,(11kw)	1
KD***40	Spring,Spring	4
KD***57	Bearing, Ball, Front	1
KD***30	Armature Assembly	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Starting Motor (7.5kw) (Injury From Salt Terrain Spec.) (Inner Parts)(#22885-)

60***11	Starting Motor Ass'Y,(7.5kw)	1
KD***30	Cap, Gum	1
KD***50	Brush Assembly	4
KD***40	Washer	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Starting Motor (7.5kw) (Inner Parts)(#22885-28245)

60***70	Starting Motor Ass'Y,(7.5kw)	1
KD***20	Magnetic Switch Assembly	1
KD***40	Spring,Spring	4
KD***60	Terminal Ass'Y	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Starting Motor (7.5kw) (Inner Parts)(#28246-)

60***71	Starting Motor Ass'Y,(7.5kw)	1
KD***40	Spring,Spring	4
KD***40	Switch Ass'Y	1
KD***50	Brush Assembly	4

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Starting Motor Mounting (11kw)(#22653-28710)

01***40	Bolt (Kit)	3
01***16	Bolt, Battery To Frame Ground Wire Attaching	1
01***16	Washer,Radio Controlled Slag Handling	1
08***19	Band,(Without Air Conditioner)	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Starting Motor Mounting (11kw)(#28711-)

01***40	Bolt (Kit)	3
01***16	Bolt, Battery To Frame Ground Wire Attaching	1
01***16	Washer,Radio Controlled Slag Handling	1
08***19	Band,(Without Air Conditioner)	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Starting Motor Mounting (7.5kw) (Injury From Salt Terrain Spec.)(#22885-)

01***40	Bolt (Kit)	3
01***16	Bolt, Battery To Frame Ground Wire Attaching	1
01***16	Washer,Radio Controlled Slag Handling	1
08***19	Band,(Without Air Conditioner)	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Starting Motor Mounting (7.5kw)(#22885-)

01***40	Bolt (Kit)	3
01***16	Bolt, Battery To Frame Ground Wire Attaching	1
01***16	Washer,Radio Controlled Slag Handling	1
08***19	Band,(Without Air Conditioner)	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Tamper Proof Kit (For Regulation Of Epa)(#22885-23443)

62***20

Kit, Tamper Proof

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Tamper Proof Kit (For Regulation Of Epa)(#23444-)

61***20

Tamper Proof Kit

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Tension Pulley (With Hardening Pulley)(#22885-24452)

01***16	Bolt - Seat And Tether Belt Mounting	2
01***20	Bolt, Wiring Harness Mounting Bracket	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***25	Bolt,(Without Rops Guard? Canopy)	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Tension Pulley (With Hardening Pulley)(#24453-24697)

01***16	Bolt - Seat And Tether Belt Mounting	2
01***20	Bolt, Wiring Harness Mounting Bracket	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***25	Bolt,(Without Rops Guard? Canopy)	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Tension Pulley (With Hardening Pulley)(#24698-)

01***16	Bolt - Seat And Tether Belt Mounting	2
01***20	Bolt, Wiring Harness Mounting Bracket	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***25	Bolt,(Without Rops Guard? Canopy)	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Tension Pulley (With Non Hardening Pulley)(#22885-24452)

01***16	Bolt - Seat And Tether Belt Mounting	2
01***20	Bolt, Wiring Harness Mounting Bracket	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***25	Bolt,(Without Rops Guard? Canopy)	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Tension Pulley (With Non Hardening Pulley)(#24453-24697)

01***16	Bolt - Seat And Tether Belt Mounting	2
01***20	Bolt, Wiring Harness Mounting Bracket	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***25	Bolt,(Without Rops Guard? Canopy)	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Tension Pulley (With Non Hardening Pulley)(#24698-)

01***16	Bolt - Seat And Tether Belt Mounting	2
01***20	Bolt, Wiring Harness Mounting Bracket	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***25	Bolt,(Without Rops Guard? Canopy)	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Turbocharger (Inner Parts)(#22885-)

01***16	Bolt	4
01***16	Bolt	8
04***08	Pin, Dowel	1
04***50	Screw	2

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Turbocharger Mounting(#22885-)

61***90	Nut, Mounting	4
61***10	Screw	4
62***31	Gasket, Turbocharger	1
(6***0)	Turbocharger Ass'Y,(See Fig.A1530-B4d8)	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Turbocharger Oil Piping(#22885-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Turbocharger Water Piping(#22885-)

01***25	Bolt,(For Canvas Canopy?Head Guard)	4
01***30	Bolt,(With Body Positioner)	1
01***40	Bolt (Op)	1
01***35	Bolt,Snap	4

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Water Connector Gasket (Ordering Transferded Parts)(#27372-)

62***31	Gasket,(For Dual Water Pump)	1
62***41	Gasket,(For Hd325?Hm400?Wt800)(A5010)	1

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Water Pump And Thermostat (Cold Trrain Spec.)(#24698-25645)

Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Water Pump And Thermostat (Cold Trrain Spec.)(#25646-27353)

01***20	Bolt,(Large Capacity Type) (Std)	3
01***20	Bolt, Wiring Harness Mounting Bracket	6
01***80	Bolt,(With Corrosion Resistor)	1
01***95	Capscrew	3

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Water Pump And Thermostat (Cold Trrain Spec.)(#27354-)

01***20	Bolt,(Large Capacity Type) (Std)	3
01***20	Bolt, Wiring Harness Mounting Bracket	6
01***80	Bolt,(With Corrosion Resistor)	1
01***95	Capscrew	3

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Water Pump And Thermostat(#22885-25645)

01***20	Bolt, Wiring Harness Mounting Bracket	6
01***20	Bolt,(For Mono Lever Steering)	3
01***80	Bolt,(With Corrosion Resistor)	1
01***95	Capscrew	3

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Water Pump And Thermostat(#25646-27353)

01***20	Bolt, Wiring Harness Mounting Bracket	6
01***20	Bolt,(For Mono Lever Steering)	3
01***80	Bolt,(With Corrosion Resistor)	1
01***95	Capscrew	3

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Water Pump And Thermostat(#27354-)

01***20	Bolt,(Large Capacity Type) (Std)	3
01***20	Bolt, Wiring Harness Mounting Bracket	6
01***80	Bolt,(With Corrosion Resistor)	1
01***95	Capscrew	3

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Water Pump Gasket Kit(#22885-)

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

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Komatsu : Saa6d140e-2b-8(S/N 22537-Up) : Engine : Water Separator(#22885-)

01***30	Bolt,(With Body Positioner)	4
01***32	Washer,(With Auto Emergency Steering)	4
07***12	Gasket,Mechanical Pump Piping	1
07***12	Gasket,(Without Air Compressor Type) (K1)	4

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SAA6D140E-2B-8(S/N 22537-UP) serial number reference

The engine serial plate is stamped on the engine block, typically on the left side near the injection pump. The prefix is the engine model code (e.g., SAA6D140E-2B-8) followed by the serial number range.

Prefix	Identifies	Notes
SAA6D140E-2B-8	Engine Model	Komatsu SAA6D140E-2B-8 engine. S/N 22537-UP. Factory spec sheet.

Frequently asked questions

What is the engine designation for this machine?

Komatsu SAA6D140E-2B-8 (S/N 22537-UP)

What is the operating weight of the host machine?

Approximately 49,850 kg (109,900 lb), depending on blade and undercarriage configuration

What replaced this engine in the D275A-5R?

The SAA6D140E-5 engine (rated at about 335 kW / 449 HP)

What SAA6D140E-2B-8(S/N 22537-UP) owners discuss

What are the known powertrain and hydraulic behaviors for the Komatsu SAA6D140E-2B-8 engine series?

The SAA6D140E-2B-8 is a mechanically governed, pre-electronic diesel engine. It is valued for simplicity and serviceability in remote or extreme-climate operations where diagnostic support is limited. Owners note that Komatsu hydraulic systems are generally smooth and fuel-efficient, but the line is designed such that if a hydraulic pump fails, the engine is often not far behind due to shared wear patterns. The engine relies on mechanical injection pumps rather than electronic common rail systems found in later generations (such as the SAA6D140E-5 or E-7). Power output for the 6D140-2 family is approximately 368 kW (493 hp) at 1900 rpm, though exact flywheel ratings vary by host machine configuration. Torque peaks around 1200 rpm at approximately 2237 N*m (1650 lbf-ft). Hydraulic weakness that appears only when hot often indicates internal pump or valve leakage rather than engine failure, as viscosity loss exacerbates clearances in worn components. Cold-start reliability is high, but the engine requires specific cold-weather oil grades (e.g., 10W-30) for extreme climates to ensure proper lubrication during startup. The engine does not have an ECM for fault codes; monitoring relies on oil analysis and coolant testing for early warning of wear-metal trends or coolant contamination. Have your dealer verify the exact flywheel rating and torque curve for your specific host machine serial range against the factory spec sheet, as values vary by configuration/series.

What undercarriage or wear patterns are typical for machines powered by this engine series?

Machines equipped with the SAA6D140E-2B-8 (typically early-serial D275A-5 dozers or similar heavy earthmoving equipment) exhibit wear patterns consistent with high-load, continuous-duty cycles. The undercarriage is designed to wear out the complete machine simultaneously rather than individual components failing in isolation. Track tensioners and final drives are subject to significant stress, and track chains often loosen repeatedly if tension is not maintained according to the host machine's lubrication interval chart. Bushings, bearings, and track pads degrade due to dust exposure and abrasive environments, leading to noise and vibration if not replaced promptly. The line is known for poor resale value because major components like pumps and engines tend to fail in close succession. Final drive noise often indicates oil level issues or contamination rather than immediate catastrophic failure, but it requires inspection. Have your dealer verify the track tension and final drive oil levels against the operation and maintenance manual before operation.

What are the common engine quirks per the 6D140-2 series?

The 6D140-2 series engine features a mechanically governed jerk-pump fuel system with no factory electronic emissions aftertreatment. A key quirk is the reliance on the corrosion resistor cartridge in the coolant circuit; neglecting this leads to internal coolant passage pitting in the block and head, a frequent complaint on high-hour units. The engine is sensitive to air intake ducting integrity; constant thermal cycling in cold-region service can cause cracked or loose air intake hoses, leading to boost leaks and power loss. Turbocharger seal seepage is common at high hours, and shaft end-play must be checked against tolerance during major service. The engine does not have electronic fault codes for fuel or injection timing; diagnosis relies on mechanical adjustment of the governor linkage and injection pump timing. Fuel filter differential pressure should be monitored to predict injection pump wear. The engine is rated for approximately 1900 rpm governed speed, with idle speed not documented in available sources for this specific arrangement. Have your dealer verify the valve clearance settings and injection timing specifications per the mechanical-injection engine service manual.

What are the common electrical or sensor issues associated with this engine and its host machines?

The SAA6D140E-2B-8 engine itself is mechanically governed and lacks an Engine Control Module (ECM), so it does not generate electronic fault codes for engine performance. However, host machines using this engine often report intermittent starting, dashboard failures, or random shutdowns due to unstable power supplies or faulty sensors in the machine's electronic control systems. Owners note that a single faulty sensor or poor ground connection can trigger multiple warning signals across the machine. Battery state of charge and chassis grounds are critical; a battery may show acceptable voltage until the starter is loaded, so load testing is required. Intermittent starting is often traced to the main starter cable, starter relay, or neutral-start inputs rather than the engine itself. If the machine suddenly derates, the issue is likely in the host machine's electronic control system or safety interlocks, not the engine. Have your dealer verify the battery load test results and ground integrity against the machine's electrical schematic.

What should be checked when buying a used machine with the SAA6D140E-2B-8 engine?

When purchasing a used machine with the SAA6D140E-2B-8 engine, verify the exact serial prefix against the factory spec sheet to confirm the engine arrangement and host machine configuration. Check the corrosion resistor cartridge sight glass on the coolant circuit; replace if discolored to prevent internal pitting. Inspect the turbocharger for oil seepage at the compressor and turbine seals, and check shaft end-play. Test the engine under load to ensure it maintains rated RPM without excessive smoke or power loss, as mechanical governors can drift. Check the fuel filter differential pressure history to assess injection pump wear. Inspect the undercarriage for track tension, roller condition, and final drive oil levels. Verify the condition of the fan belt and mounting isolators, which degrade from repeated cold starts. Review oil analysis results for wear-metal trends (iron/copper counts) and coolant contamination, as these are the primary early-warning tools for this mechanically governed engine. Have your dealer verify the engine's flywheel rating and torque curve against the specific host machine's documentation, as values vary by configuration/series.

What are the recommended fluid specifications and capacities for the SAA6D140E-2B-8 engine?

Engine crankcase capacity is approximately 87–99 L (23–26 US gal) refill, based on the closest documented 6D140-2 family bulldozer installation; exact figure varies by host machine and should be verified against the dipstick/sight gauge. Cooling system capacity is approximately 99–107 L (26–28 US gal), depending on radiator sizing. Use Komatsu Genuine diesel engine oil (EO series, e.g., EO10W-30-DH or EO15W-40-DH) meeting JASO DH-1, API CI-4, and ACEA E7 standards; select viscosity based on ambient temperature. Use Komatsu Super Coolant AF-NAC, factory pre-mixed antifreeze/coolant; do not mix coolant types. Grease external linkage and mounting points with Komatsu Genuine multipurpose grease (lithium EP or moly-EP type). Fuel, transmission, hydraulic, and final-drive capacities are set by the host machine's operation and maintenance manual, not the engine documentation. Have your dealer verify the exact coolant freeze-point protection requirements for your operating climate.

How does the SAA6D140E-2B-8 differ from later SAA6D140E generations in terms of maintenance and diagnostics?

The SAA6D140E-2B-8 is a mechanically governed, pre-electronic engine, whereas later generations (such as the SAA6D140E-5 and E-7) use high-pressure common rail systems and electronic controls. The E-2B-8 lacks an ECM, so it does not provide fault codes for engine performance; diagnostics rely on mechanical adjustment of the governor linkage, injection pump timing, and oil/coolant analysis. Later generations offer electronic monitoring and emissions aftertreatment, but the E-2B-8 is valued for simplicity in remote operations. Maintenance intervals for the E-2B-8 include valve clearance checks and injection timing adjustments every 1,000 hours, which are not required on electronic engines. The E-2B-8 is also more susceptible to coolant passage pitting if the corrosion resistor cartridge is neglected. Have your dealer verify the specific maintenance schedule for your host machine, as intervals may vary by configuration/series.

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

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