Komatsuengine(no series)

Komatsu SAA6D140E-3C-8(S/N 110001-UP (FRONT ENGINE))

Maintenance schedule, common problems & OEM parts breakdown

Search live SAA6D140E-3C-8(S/N 110001-UP (FRONT ENGINE)) parts

The Komatsu SAA6D140E-3C-8 engine (S/N 110001-UP) is a 6-cylinder, turbocharged, aftercooled diesel powerplant belonging to the 6D140-3 series. It serves as the primary power unit for heavy-duty Komatsu machinery, including the D155AX-5 bulldozer, PC600-6/PC750-6/PC800-6/PC1800-6 excavators, WA500-3 wheel loaders, HD325-6 dump trucks, and HM350-1/HM400-1 articulated dump trucks. Production years for this specific serial range span the early 2000s, bridging the transition from the earlier 6D140-2 generation to the later 6D140-5 series. The engine is rated in the 389 hp (290 kW) to 405 kW class depending on the host machine application, with operating weights for the host machines ranging from approximately 34,000 lb (WA320-8 class) to over 92,600 kg (PC900 class). Configurations offered include standard climate and -40°C arctic-spec builds, with the SAA6D140E-3C-8 specifically denoting the front-engine variant for the 110001-UP serial block.

Across the 6D140 engine lineage, Komatsu shifted from the mechanically governed SDA6D140E-2E-9 (used in early D275A-5 dozers) to the electronically controlled SAA6D140E-3 series, and eventually to the SAA6D140E-5 and E-7 generations. The SAA6D140E-3C-8 represents a critical middle generation where Komatsu integrated more sophisticated electronic controls while retaining the robust mechanical architecture of the 6D140 family. In the used and parts market, this engine matters because it powers a vast array of high-value host machines (PC600-8, D155AX-5, etc.) that are now entering heavy service hours. Demand remains high for rebuilt injection pumps, turbochargers, and cylinder heads as these machines age, and the engine's modular design allows for cost-effective overhauls compared to newer, more integrated emissions-tier engines.

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-3C-8(S/N 110001-UP (FRONT ENGINE)) specifications

Engine

Model	SAA6D140E-3C-8
Serial Range	110001-UP
Configuration	Front Engine
Type	Turbocharged, aftercooled diesel
Cylinders	6
Bore	4.92 in (125 mm)
Stroke	5.91 in (150 mm)
Displacement	930 in³ (15.2 L)
Aspiration	Komatsu Variable Geometry Turbocharger with air-to-air aftercooler and EGR
Fuel System	Common rail direct injection

Weights

Note	Operating weight and shipping weight are machine-level specifications; not documented for the engine unit itself in the provided sources.

Dimensions

Note	Transport dimensions are machine-level specifications; not documented for the engine unit itself in the provided sources.

Performance

Note	Travel speeds and machine performance figures are not documented for the engine unit itself in the provided sources.

Service capacities (summary)

Note	Fluid capacities (fuel, oil, coolant) are machine-level specifications; not documented for the engine unit itself in the provided sources.

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

SAA6D140E-3C-8(S/N 110001-UP (FRONT ENGINE)) 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	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	not applicable to this item
Transmission/powertrain compartments	not applicable to this item	not applicable to this item
Final drives	not applicable to this item	not applicable to this item
Hydraulic system AND tank	not applicable to this item	not applicable to this item
Axles/differentials	not applicable to this item	not applicable to this item
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-3C-8(S/N 110001-UP (FRONT ENGINE)) maintenance schedule

Service interval	Tasks
Every 10 h	Check engine oil level and top up with the 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 SAA6D140E-3C-8(S/N 110001-UP (FRONT ENGINE)) beyond the schedule

Predictive Maintenance & Fluid Analysis

Run scheduled engine oil sampling on the SAA6D140E-3C-8 to catch wear-metal trends before the mechanically governed injection pump or turbocharger bearings fail outright. 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. Use KOWA fluid analysis to monitor hydraulic fluid particle count and coolant pH levels, ensuring early detection of contamination in the PC600-6 or D155AX-5 host systems before catastrophic failure occurs.

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 is common due to vibration. Address turbocharger shaft end-play and bearing wear at 2,000-hour intervals to prevent oil consumption and loss of boost pressure in WA500-3 wheel loaders and HM350-1 articulated trucks.

Overhaul & Rebuild Points

At 4,000 hours, remove and inspect cylinder liners, pistons, and rings against factory wear tolerances. Check crankshaft main and rod bearing clearances and inspect the camshaft and timing gear train for wear. At 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. Inspect the block for cold-climate stress cracking near coolant passages and rebuild the turbocharger core assembly, replacing wear-prone bearings and seals to restore factory compression and airflow.

Seasonal & Environment Servicing

For -40°C and -50°C arctic-spec variants, inspect the cold-start aid circuit (intake heater or ether-assist system) at every 2,000-hour interval. Test coolant freeze-point protection ahead of continued cold-region service and replace the corrosion resistor cartridge every 500 hours to prevent internal pitting. Check fan belt tension and condition for cracking from repeated cold starts. Ensure the crankcase breather and fuel tank breather are clean to prevent moisture ingress. Verify turbocharger intake ducting and clamps for looseness or cracks caused by thermal contraction in extreme cold environments.

SAA6D140E-3C-8(S/N 110001-UP (FRONT ENGINE)) common service parts

Part number	Part	Notes
6217-71-6200	Fuel Filter Ass'Y	Fuel system service	Check fitment →
6217-71-6210	Head,Fuel Filter	Fuel system service	Check fitment →
6217-71-6211	Head, Fuel Filter	Fuel system service	Check fitment →
ND092220-0040	Filter,Fuel	Fuel system service	Check fitment →
07281-00197	Clamp,(With Pre-Fuel Filter)	Fuel system service	Check fitment →

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

SAA6D140E-3C-8(S/N 110001-UP (FRONT ENGINE)) 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	Alternator or battery failure; voltage regulator issue	Replace the alternator or battery; check the voltage regulator
CA442	Battery voltage too high	Alternator or battery failure; voltage regulator issue	Replace the alternator or battery; 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
CA153	Intake air temperature sensor feedback voltage too high	Sensor malfunction	Replace or test the IAT sensor
CA154	Intake air temperature sensor feedback voltage too low	Sensor malfunction	Replace or test the IAT sensor
CA451	Common rail pressure sensor feedback value too high	Fuel rail pressure sensor malfunction or actual overpressure condition	Diagnose the fuel rail pressure sensor or pump lines
CA452	Common rail pressure sensor feedback value too low	Fuel rail pressure sensor malfunction	Diagnose the fuel rail pressure sensor or pump lines
CA234	Engine overspeed	Throttle calibration issue, engine load cycle problem, or operator misuse	Verify throttle calibration, engine load cycle, or operator misuse

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

SAA6D140E-3C-8(S/N 110001-UP (FRONT ENGINE)) attachments & work tools

Crawler Excavator Attachments

The SAA6D140E-3C-8 engine (S/N 110001-UP) powers the PC750 and PC800 series excavators. Standard bucket capacities range from 2.8 to 6.1 m³ for the PC900 class and 1.5 to 2.3 m³ for the PC650 class. These machines utilize a robust X-frame structure for stability on uneven terrain. Factory guarding options include heavy-duty undercarriage components and reinforced boom structures for open-pit mining applications.

Wheel Loader Attachments

The WA500-3 wheel loader is a primary application for this engine series. Typical bucket capacities for this class range from 4.0 to 6.0 m³. The machine features a high-torque converter and direct-drive transmission for efficient power transfer. Standard options include quick-coupler systems for rapid tool changes and heavy-duty side-cutting edges for abrasive materials.

Bulldozer Attachments

The D155AX-5 bulldozer (S/N 110001-the OEM part reference) uses the SA6D140E-3 engine, while later units (S/N the OEM part reference-UP) transition to the SAA6D140E-3. Standard blade configurations include the straight (SR) and semi-universal (SU) blades. Factory guarding options include heavy-duty track shoes and reinforced blade tips for high-abrasion environments. The dozer is designed for heavy earthmoving with a focus on durability and serviceability.

Articulated Dump Truck Attachments

The HM350-1 and HM400-1 articulated dump trucks utilize the SAA6D140E-3 engine. Standard body capacities are approximately 24.0 m³ for the HM325-8 class and 27.3 m³ for the HM405-8 class. The trucks feature a full-automatic powershift transmission with K-ATOMiCS electronic clutch modulation. Factory options include -40°C cold-weather specifications and heavy-duty body liners for mining applications.

Generator Set Attachments

The DCA400SSK generator set is a stationary application for the SAA6D140E-3 engine. It provides continuous power output suitable for industrial and construction site backup. The unit includes a sound-attenuated canopy and integrated cooling system. Factory configurations include standard electrical interfaces and control panels for parallel operation.

All SAA6D140E-3C-8(S/N 110001-UP (FRONT ENGINE)) assemblies by section

Every catalogued assembly group for the Komatsu SAA6D140E-3C-8(S/N 110001-UP (FRONT ENGINE)). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Engine

Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : After Cooler (Chassis Mount)(#110003-)

62***00

After Cooler Ass'Y

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : After Cooler Related Parts (Chassis Mount)(#110134-)

07***05	Clamp	8
62***40	Clamp	12
62***20	Tube	1
62***50	Hose	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Air Cleaner (For Pc1800-6)(#110134-)

07***70	Clamp,Hose	2
08***00	Indicator, Dust	1
60***70	Hose, Air	1
60***60	Cap Assembly, Air	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Air Compressor Gasket Kit(#110003-)

07***19	Gasket,(For Hd325-6) (See Fig.A7010)	6
07***12	Gasket,(Without Air Compressor Type) (K2)	6
07***12	Gasket,(Without Air Compressor Type) (K1)	6
61***20	Gasket,(For Hd325-6) (See Fig.A7010)	4

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Air Compressor Mounting (Front Engine)(#110134-)

01***35	Bolt,(F4320-52a0 -5 )	1
01***05	Capscrew	2
01***25	Capscrew	1
01***95	Screw	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Air Connection And Sensor(#110134-)

01***16	Bolt - Starting Motor Ground Cable	2
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	5
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	2
01***35	Bolt, Mount Bracket To Floor	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Air Intake Manifold (Front Engine)(#110134-)

01***12	Bolt,(See Fig. K0210-16a0)	2
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	6
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	12
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	2

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Air Vent And Water Temperature Sensor (Cold Terrain Spec.)(#110947-)

01***16	Bolt - Starting Motor Ground Cable	1
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	2
01***40	Bolt,(Shim 3-Piece)	1
01***65	Screw	2

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Air Vent And Water Temperature Sensor(#110134-)

01***16	Bolt - Starting Motor Ground Cable	1
01***65	Screw	5
01***10	Bolt	1
07***15	Gasket,(Hd325?Pc750?800?1800) (A5010)	13

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Alternator (90a) (With Hardening Pulley) (Inner Parts)(#110134-)

60***10	Alternator A. (90a),100a	1
KD***02	Bolt	4
KD***02	Washer,Spring	5
KD***00	Bracket Ass'Y,Front	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Alternator (90a) (With Non Hardening Pulley) (Inner Parts)(#110948-)

60***10	Alternator A. (90a)	1
KD***02	Bolt	4
KD***02	Washer,Spring	5
KD***00	Bracket Ass'Y,Front	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Alternator Mounting (90a) (With Hardening Pulley)(#110134-)

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***60	Screw	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Alternator Mounting (90a) (With Non Hardening Pulley)(#110948-)

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***60	Screw	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Amplifier (Tropical Spec.)(#110134-)

62***20

Amplifier

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Camfollower

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-3c-8(S/N 110001-Up (Front Engine)) : Engine : Camfollower Cover

61***91	Packing,(See Fig.A2060)	9
62***10	Cover, Camfollower	3
62***71	Screw	9
62***60	O-Ring,(See Fig.A2060)	3

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Camshaft

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-3c-8(S/N 110001-Up (Front Engine)) : Engine : Common Rail (Inner Parts)(#110134-110811)

62***10	Rail Assembly, Common	1
ND***20	Picco Ring	7
ND***40	Limiter Assembly, Fuel Pressure	1
ND***30	Limiter Assembly, Fuel Flow	6

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Common Rail (Inner Parts)(#110812-)

62***11	Rail Ass'Y,(See Fig.A4010-E3u9)	1
ND***20	Picco Ring	7
ND***40	Limiter Assembly, Fuel Pressure	1
ND***40	Limiter Ass'Y,Fuel Flow	6

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Common Rail (Low-Viscosity Fuel Spec.) (Regulation Of Epa And Eu 2nd) (Inner Parts)(#111630-)

62***11	Rail Ass'Y,(See Fig.A4010-E3u9)	1
ND***20	Picco Ring	7
ND***40	Limiter Assembly, Fuel Pressure	1
ND***40	Limiter Ass'Y,Fuel Flow	6

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Cooling Fan (Suction)(#110134-)

60***80

Fan,Cooling

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Corrosion Resistor(#110134-)

01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	1
01***35	Bolt, Mount Bracket To Floor	4
01***60	Bolt - Upper Cooler Inlet Tubemounting	2
01***00	Bolt (M10-1.50x100)	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Crank Pulley (Sandy And Dusty Spec.)(#110948-)

04***24	Pin,Dowel (For No.3 Housing)	1
62***20	Bolt	6
62***21	Pulley? Hardening	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Crank Pulley(#110134-110947)

04***24	Pin,Dowel (For No.3 Housing)	1
62***20	Bolt	6
62***20	Pulley? Hardening	1
62***21	Pulley? Hardening	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Crank Pulley(#110948-)

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

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Crankshaft

04***28	Pin, Dowel - Transmission Case, Pin-Dowel	1
61***30	Key Parallel	1
62***00	Bearing Assembly	1
62***10	Main Bearing Assembly	7

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Cylinder Block

01***25	Screw	12
01***45	Washer,(Without R.O.P.S.)	14
01***32	Washer, (Without Emergency Steering)	12
04***14	Pin, Dowel	2

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Cylinder Block Cover And Oil Filler (1/2)(#110134-)

01***14	Bolt - Fuel Sensor Mounting	1
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	6
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	6
01***35	Bolt, Mount Bracket To Floor	4

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Cylinder Block Cover And Oil Filler (2/2)(#110134-)

01***50	Bolt,(Spark Arrester Spec.)	12
01***16	Bolt - Starting Motor Ground Cable	1
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	7
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	2

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Cylinder Block Cover And Oil Filler (Cold Terrain Spec.)(#110947-)

01***50	Bolt,(Spark Arrester Spec.)	12
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	7
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	2
01***35	Bolt, Mount Bracket To Floor	2

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Cylinder Block Gasket Kit(#110003-)

07***60	O-Ring,(For Pc750?800?1800) (A2610)	1
07***50	O-Ring,Front Cover Plate	1
07***42	O-Ring,(See Fig.A3310)	1
07***21	O-Ring,(Fig.262-53)(Fig.262a-57)	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Cylinder Head Gasket Kit(#110003-)

02***75	O-Ring,(See Fig.A1310)	2
07***25	O-Ring,(For Pc1800e-6)(See Fig.A3110)	6
07***11	O-Ring,(See Fig.A4210)	6
07***15	O-Ring,(See Fig.A4030)	6

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Cylinder Head(#110150-)

01***20	Bolt (M10-1.75x120)	6
01***45	Washer, Spring	36
07***25	O-Ring,(For Pc1800e-6)(See Fig.A3110)	1
07***08	Plug (Kit)	2

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Engine Support(#110003-)

01***40	Bolt,For Weight Adjusting Bolt	9
01***32	Washer,(Not Used With Emergency Str.)	9
04***34	Pin-Dowel, Pin,Dowel (For Shipping)	2
20***11	Bracket,Front	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Exhaust Manifold(#110134-)

01***55	Screw	2
01***00	Screw	22
01***70	Screw	1
01***85	Bolt,(For Reversible Fan)	2

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Exhaust Nonnection(#110134-)

01***45	Capscrew	4
01***35	Bolt, Mount Bracket To Floor	4
62***71	Elbow,Exhaust	1
62***20	Screw	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fan Belt (For Pc1800-6)(#110134-)

60***20

V-Belt

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Flywheel

61***51	Gear, Ring	1
62***50	Bolt	6
62***00	Flywheel Assembly	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Flywheel Housing(#110134-)

01***50	Capscrew	8
01***65	Capscrew	2
01***12	Bolt,(See Fig. K0210-16a0)	1
01***16	Bolt - Starting Motor Ground Cable	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Front Cover (Air Compressor Spec.) (For Pc1800-6 Front Engine)(#110134-)

07***16	Plug, Expansion	4
62***21	Cover, Front	1
62***22	Cover,Front	1
67***21	Seal? Front,(See Fig.A2040)	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Front Cover Mounting And Breather (For Pc1800-6 Front Engine)(#110134-110811)

Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Front Cover Mounting And Breather (For Pc1800-6 Front Engine)(#110812-)

01***75	Bolt - Tube Mounting	1
01***90	Bolt,For Weight Adjusting Bolt	4
01***25	Screw	2
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	4

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Control (Chassis Mount) (Tropical And Sandy Spec.)(#110947-)

78***00

Controller

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Control (Chassis Mount)(#110134-110812)

78***0B	Controller	1
78***02	Controller	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Control (Chassis Mount)(#110813-)

78***02

Controller

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Filter(#110134-)

01***20	Bolt,(Forwarded Individually Parts)	2
01***35	Bolt, Cover	1
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	2
01***35	Bolt, Mount Bracket To Floor	4

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Injector

01***10	Bolt - Relay And Flasher Mounting	6
01***35	Bolt	6
01***70	Bolt	6
07***11	O-Ring,(See Fig.A4210)	6

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Piping(#110003-)

01***25	Screw	3
01***30	Bolt,See Fig. K4010-17a0	15
01***16	Bolt, Mount Solenoid Valve	2
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	2

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Pump Supply And Return Piping (Low-Viscosity Fuel Spec.) (Regulation Of Epa And Eu 2nd)(#111630-)

01***30	Bolt,See Fig. K4010-17a0	4
01***35	Bolt	2
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	1
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Pump Supply And Return Piping(#110134-110811)

01***30	Bolt,See Fig. K4010-17a0	4
01***35	Bolt	2
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	1
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Pump Supply And Return Piping(#110812-)

01***30	Bolt,See Fig. K4010-17a0	4
01***35	Bolt	2
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	1
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Return(#110134-)

01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	1
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	2
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	2
01***45	Bolt, Bracket Mounting	2

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Supply Pump (Feed Pump) (Inner Parts)(#110134-110811)

ND***70	Washer,Union	6
ND***10	Spring, Check Valve	2
ND***42	Screw	1
ND***40	Filter,Fuel	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Supply Pump (Feed Pump) (Inner Parts)(#110812-)

ND***70	Washer,Union	6
ND***10	Spring, Check Valve	2
ND***42	Screw	1
ND***40	Filter,Fuel	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Supply Pump (Feed Pump) (Low-Viscosity Fuel Spec.) (Regulation Of Epa And Eu 2nd) (Inner Parts)(#111630-)

ND***70	Washer,Union	6
ND***10	Spring, Check Valve	2
ND***42	Screw	1
ND***40	Filter,Fuel	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Supply Pump (Pump) (Inner Parts)(#110134-110811)

62***10	Fuel Pump Ass'Y	1
ND***70	Washer,Union	5
ND***60	Screw	1
ND***10	Screw	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Supply Pump (Pump) (Inner Parts)(#110812-)

62***10	Fuel Pump Ass'Y	1
ND***70	Washer,Union	5
ND***60	Screw	1
ND***10	Screw	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Supply Pump (Pump) (Low-Viscosity Fuel Spec.) (Regulation Of Epa And Eu 2nd) (Inner Parts)(#111630-)

62***30	Fuel Pump Ass'Y	1
ND***70	Washer,Union	5
ND***60	Screw	1
ND***10	Screw	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Supply Pump And Common Rail Mounting (Low-Viscosity Fuel Spec.) (Regulation Of Epa And Eu 2nd)(#111630-)

01***35	Bolt,(F4320-52a0 -5 )	4
01***12	Nut	1
01***32	Washer,(With Auto Emergency Steering)	4
01***60	Flat Washer - M20 (Hardened)	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Supply Pump And Common Rail Mounting(#110134-110811)

01***35	Bolt,(F4320-52a0 -5 )	4
01***12	Nut	1
01***32	Washer,(With Auto Emergency Steering)	4
01***60	Flat Washer - M20 (Hardened)	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Supply Pump And Common Rail Mounting(#110812-)

01***35	Bolt,(F4320-52a0 -5 )	4
01***12	Nut	1
01***32	Washer,(With Auto Emergency Steering)	4
01***60	Flat Washer - M20 (Hardened)	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Supply Pump Bracket And Connection Cover(#110003-)

01***12	Bolt,(See Fig. K0210-16a0)	4
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	4
01***20	Bolt - Mount Risers To Cab Floor	2
01***08	Nut,See Fig. K4010-04a0	2

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Fuel Supply Pump Lubricator(#110003-)

07***12	Gasket,(Without Air Compressor Type) (K2)	2
07***10	Screw, Banjo Connector (M10-1.25x20)	1
62***10	Tube, Supply	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Head Cover

62***10	Cover, Cylinder Head	6
62***20	Gasket,(See Fig.A1110)	6
62***30	Gasket (K1)	6

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Head Cover Bolt

01***55

Screw

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Heat Shield (1/2) Exhaust Line(#110134-)

01***35	Bolt	1
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	10
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	9
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	3

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Heat Shield (2/2) Fuel Line(#110812-)

01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	2
01***15	Bolt	3
01***50	Bolt (M10-1.50x150)	1
01***06	Nut	5

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Idler Gear

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-3c-8(S/N 110001-Up (Front Engine)) : Engine : Muffler (For Pc1800-6)(#110134-)

60***20	Cap,Rain	1
62***30	Band	2
62***90	Gasket,Exhaust	2
62***40	Nut	4

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Name Plate And Caution Plate (Japanese-English) (Regulation Of Epa And Eu)

04***50	Screw	4
61***10	Plate? License,(Limited Supply)	1
61***11	Plate? License,(Limited Supply)	1
61***20	Plate? Name,(Limited Supply)	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Oil Cooler(#110134-)

01***20	Bolt, Wiring Harness Mounting Bracket	2
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	13
01***50	Bolt,(See Fig.A4010-C3w6)	1
01***60	Bolt - Upper Cooler Inlet Tubemounting	2

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Oil Filter And Piping(#110134-)

01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	2
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	6
01***35	Bolt, Mount Bracket To Floor	12
01***40	Bolt,(Shim 3-Piece)	6

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Oil Level Gauge (Cold Terran Spec.)(#110947-)

01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	1
01***70	Screw	1
01***08	Nut,See Fig. K4010-04a0	1
04***10	Clip	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Oil Level Gauge(#110134-)

01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	1
01***70	Screw	1
01***08	Nut,See Fig. K4010-04a0	1
04***10	Clip	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Oil Pan And Suction Tube (Cold Terran Spec.)(#110947-)

01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***30	Bolt,(With Body Positioner)	1
01***12	Bolt,(See Fig. K0210-16a0)	3
01***16	Bolt - Starting Motor Ground Cable	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Oil Pan And Suction Tube(#110134-)

01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***30	Bolt,(With Body Positioner)	1
01***12	Bolt,(See Fig. K0210-16a0)	3
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : 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***32	Washer,(Not Used With Emergency Str.)	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Piping And Valve (Front Engine) (Inner Parts)(#110134-)

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

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : 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-3c-8(S/N 110001-Up (Front Engine)) : Engine : Rain Cap (Tropical Spec.)(#110134-)

60***20

Cap,Rain

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Rocker Arm

01***08	Nut,R.H. Thread	2
01***32	Washer, (Without Emergency Steering)	6
04***14	Pin, Dowel	18
04***17	Ball,Detent	2

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Spare Parts (Air Element And Cartridge)(#110134-)

60***71	O-Ring	1
60***00	Element Assembly, Air Cleaner	1
60***40	Cartridge, Oil Filter	2
60***10	Separator, Fuel/Water (10 Micron)	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Spare Parts (Tropical Spec.)(#110134-)

Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Starting Motor (11kw) (Inner Parts)(#110001-111449)

60***21	Starting Motor Assembly (11kw)	1
KD***40	Spring,Spring	4
KD***57	Bearing, Ball, Front	1
KD***30	Armature Assembly	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Starting Motor Mounting (11kw)

01***40	Bolt (Kit)	3
01***16	Bolt - Starting Motor Ground Cable	1
08***19	Band - Tie Hose To Wire Harness	1
08***10	Bracket, Bucket Position Sensor	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Tension Pulley (Sandy And Dusty Spec.)(#110948-)

01***20	Bolt, Wiring Harness Mounting Bracket	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***55	Bolt - Mount Cage To Transmission Case	2
01***65	Bolt,(Used With Pin Puller)	3

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Tension Pulley(#110134-110947)

01***20	Bolt, Wiring Harness Mounting Bracket	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***55	Bolt - Mount Cage To Transmission Case	2
01***65	Bolt,(Used With Pin Puller)	3

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Tension Pulley(#110948-)

01***20	Bolt, Wiring Harness Mounting Bracket	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***55	Bolt - Mount Cage To Transmission Case	2
01***65	Bolt,(Used With Pin Puller)	3

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Turbocharger (Ktr110l-584e? 585e) (Inner Parts)(#110134-)

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

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Turbocharger And Oil Piping(#110134-)

01***35	Bolt, Cover	1
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	1
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	4
01***35	Bolt, Mount Bracket To Floor	3

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Vibration Damper

01***30	Bolt,(Not Used When Towing Winch)	6
01***25	Bolt,L.H. (For Add. Air Compressor)	6
01***32	Washer,(Not Used With Emergency Str.)	6
62***00	Damper Ass'Y	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Water Connection Gasket (Tropical Spec.)(#110134-)

62***41	Gasket,(For Hd325?Hm400?Wt800)(A5010)	1
62***21	Gasket,(For Hd325-6?Hm400-1) (A5010)	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Water Line Plug (Without Corro.Rstr.)(#112318-)

01***60	Bolt - Upper Cooler Inlet Tubemounting	1
07***12	Gasket,(Without Air Compressor Type) (K1)	4
07***14	Screw, Banjo Connector (M10)	2
61***90	Distance Piece	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Water Pump (Cold Terrain Spec.)(#110947-)

01***80	Bolt (M10-1.50x80)	1
01***95	Bolt,(For Shipping)	3
01***30	Bolt	3
01***80	Bolt (M10-1.50x80)	3

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Water Pump Gasket Kit(#110003-)

02***37	O-Ring,(For Pc750?1800) (A5010)	2
07***45	O-Ring,(F4320-61a0 -16 ), O-Ring; Was 07000-02145	1
07***70	O-Ring,(For Pc1800e-6)(See Fig.A2041)	1
07***15	O-Ring,(F4320-57a0 -11 )	1

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Water Pump(#110134-)

01***80	Bolt (M10-1.50x80)	1
01***95	Bolt,(For Shipping)	3
01***30	Bolt	3
01***80	Bolt (M10-1.50x80)	3

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Wiring (1/3) Switch And Heater(#110134-)

01***20	Bolt,(Forwarded Individually Parts)	4
01***55	Bolt, Mount Dryer To Bracket And Frame	2
01***75	Bolt	2
01***06	Nut	2

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Wiring (2/3) Fuel Injector(#110134-)

01***25	Bolt - Relay Mounting	6
01***16	Bolt - Starting Motor Ground Cable	3
01***40	Bolt,(Shim 3-Piece)	4
01***45	Bolt, Bracket Mounting	4

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Komatsu : Saa6d140e-3c-8(S/N 110001-Up (Front Engine)) : Engine : Wiring (3/3) Sensor And Switch(#110134-)

01***16	Bolt - Starting Motor Ground Cable	3
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	3
01***40	Bolt,(Shim 3-Piece)	3
01***45	Bolt, Bracket Mounting	2

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SAA6D140E-3C-8(S/N 110001-UP (FRONT ENGINE)) serial number reference

The engine serial plate is stamped on the engine block, typically on the left side near the injection pump or on a metal plate affixed near the valve cover. The prefix is the full engine model code (e.g., SAA6D140E-3C-8) followed by the serial number; match the first 13 characters and the serial start point to the catalog range.

Prefix	Identifies	Notes
SAA6D140E-3C-8	Engine Model	Komatsu SAA6D140E-3C-8 engine family. Serial range 110001-UP (Front Engine). Confirmed by published references catalog and DK Engine Parts equipment guide. Note: published references also lists a variant SAA6D140E-3C-8 S/N 110003-UP (Front Engine) and a Japanese domestic variant SAA6D140E-3C (JPN). Verify specific serial break with dealer.

Frequently asked questions

What is the engine designation for the Komatsu SAA6D140E-3C-8?

The engine is a Komatsu SAA6D140E-3C-8, a 6-cylinder, turbocharged, aftercooled diesel engine belonging to the 6D140-3 series, used in S/N 110001-UP front-engine applications.

What is the operating weight of the host machines using this engine?

Operating weight varies by configuration/series. Host machines range from approximately 34,000 lb (WA320-8 class wheel loaders) to over 92,600 kg (PC900 class excavators), depending on the specific model (e.g., D155AX-5, PC600-6, HD325-6) and attachment package.

What engine replaced the SAA6D140E-3 series in Komatsu's lineup?

Komatsu eventually introduced the SAA6D140E-5 engine (rated at about 335 kW / 449 HP) and later the SAA6D140E-7 as the newer generations in this size class, moving away from the SAA6D140E-3 for top-of-line machines like the D275A-5R.

Need a specific SAA6D140E-3C-8(S/N 110001-UP (FRONT ENGINE)) part?

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