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

Maintenance schedule, common problems & OEM parts breakdown

Search live SA12V140-1S-WA(S/N 11640-UP) parts

The Komatsu SA12V140-1S-WA (S/N 11640-UP) is a heavy-duty, water-cooled, turbocharged V12 diesel engine designed for large-scale earthmoving and mining applications. It powers the Komatsu WA800 series wheel loaders and D475A series bulldozers, machines that typically operate in the 30,000 to 87,000 lb weight range. The engine features a 140 mm bore and 165 mm stroke, displacing 30.5 liters. It was produced during the late 1990s and early 2000s, serving as the mechanical predecessor to the electronically controlled SAA12V140E-3 series. Configurations offered include high-power and economy modes, with net horsepower ratings varying from approximately 627 hp to 783 hp depending on the specific application and governor type.

Across its production run, the SA12V140-1 series saw incremental running changes rather than full model redesigns, reflected in the progression of serial ranges and shop manual codes. The machine remains significant in the used and parts market due to its mechanical simplicity and broad component interchangeability. Unlike later electronic generations, this series relies on mechanical jerk-pump fuel injection, which buyers value for predictable rebuild costs and ease of service. The engine's robust design and shared powertrain components with the Komatsu 330M rigid haul truck lineage ensure a steady supply of aftermarket support and reliable performance in harsh environments.

Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.

Komatsu SA12V140-1S-WA(S/N 11640-UP) specifications

Engine

Model	SA12V140-1
Configuration	V-type 12-cylinder, water-cooled, 4-cycle, turbocharged and aftercooled
Displacement	30.5 L (30,480 cc)
Bore x Stroke	140.0 mm x 165.0 mm
Net Power	574 kW (770 HP) @ 2,000 rpm; 588 kW (789 HP) @ 2,000 rpm; 603 kW (808 HP) @ 2,000 rpm
Net Torque	3,730 Nm (2,751 lbf-ft) @ 1,400 rpm; 4,090 Nm (3,017 lbf-ft) @ 1,300 rpm; 4,170 Nm (3,077 lbf-ft) @ 1,500 rpm
Governor Type	BOSCH PE-P (PS7S) type; ZEXEL electronic control type
Emissions Tier	Not documented for this exact serial range — verify with your dealer

Weights

Dry Weight (Engine)	3,100 kg (6,834 lb)
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 published

Dimensions

Overall Length (Engine)	1,715 mm (67.5 in); 2,000 mm (78.7 in)
Overall Width (Engine)	1,515 mm (59.6 in); 1,450 mm (57.1 in)
Overall Height (Engine, excl. exhaust)	1,475 mm (58.1 in); 2,000 mm (78.7 in)
Overall Height (Engine, incl. exhaust)	1,592 mm (62.7 in)
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 / Wheelbase	Not published
Ground Clearance	Not published

Performance

Flywheel Speed (Rated)	2,000 rpm
Low Idling Speed	750–850 rpm; 700–900 rpm; 1,150–1,250 rpm
Travel Speed	Not documented for this exact serial range — verify with your dealer
Gradeability	Not published
Minimum Fuel Consumption	211 g/kW·h (157 g/HP·h) @ rated flywheel horsepower (Net, 50 Hz); 215 g/kW·h (160 g/HP·h) @ rated flywheel horsepower (Net, 60 Hz)

Service capacities (summary)

Engine Oil (Refill)	88 L (23.2 US gal); 95 L (25.1 US gal); 80 L (21.1 US gal); 92 L (24.3 US gal)
Cooling System	Not documented in available sources for this engine/truck combination - verify with your dealer or the 330M OMM for the confirmed serial range.
Fuel Tank	Not documented in available sources for this specific 330M engine grouping - varies by configuration/series. Verify against the 330M OMM for the confirmed serial range.
Hydraulic System	Not documented in available sources for this specific 330M engine grouping - varies by configuration/series. Verify against the 330M OMM for the confirmed serial range.

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

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

Service interval	Tasks
Every 10 h	Check engine oil level and condition. Check hydraulic fluid level via sight glass. Check coolant level and ensure cap is secure. Check fuel level and drain water from separator. Check DEF level on Tier 4 machines. Check air filter restriction indicator.
Every 250 h	Change engine oil and filter. Grease all points including boom, stick, bucket, and swing bearing. Check fluid levels. Inspect air cleaner. Inspect belts and hoses. Perform visual walk-around inspection.
Every 500 h	Replace fuel filter. Replace hydraulic return filter. Service battery and test terminals. Test coolant SCA concentration. Collect KOWA oil sample. Perform detailed undercarriage inspection.
Every 1,000 h	Collect hydraulic oil sample. Change final drive oil on both sides. Inspect turbocharger. Check valve adjustment. Inspect structural components. Clean or replace air filter outer element.
Every 2,000 h	Change hydraulic system oil. Flush and replace coolant. Service transmission. Perform comprehensive component evaluation. Check KDPF status. Replace worn belts, hoses, and clamps.

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

Predictive Maintenance & Fluid Analysis

Utilize KOWA fluid analysis at every major service interval to monitor wear metals and contaminants. Track engine oil for iron, copper, and lead levels to detect internal wear. Analyze hydraulic fluid for particle count and water content to prevent pump and valve damage. Monitor coolant pH and SCA concentration to ensure corrosion protection. Early detection of silicon indicates dirt ingress, while sodium suggests coolant leakage. Regular sampling prevents catastrophic failures in the turbocharger and injection system.

Corrective & Common Repairs

Address common issues in the SA12V140-1S-WA by inspecting the Bosch PE-P fuel injection pump for leaks and wear. Check the Zexel electronic governor for proper response and calibration. Replace worn turbocharger seals to prevent oil consumption and smoke. Inspect the aftercooler for core leaks that cause coolant loss. Verify injector nozzle spray patterns and replace clogged nozzles. Check all electrical connections for corrosion, ensuring reliable startup and operation in dusty conditions.

Overhaul & Rebuild Points

Plan for an inframe overhaul when compression drops or oil consumption exceeds limits. Replace piston rings, liners, and bearings during the rebuild. Inspect the crankshaft for wear and polish if necessary. Replace the camshaft and lifters if wear is detected. Recondition the cylinder heads, replacing valves and seats as needed. Ensure the turbocharger is balanced and within tolerance. Use genuine gasket sets to prevent leaks and maintain compression in the 12-cylinder configuration.

Seasonal & Environment Servicing

In cold climates, use low-temperature fuel and appropriate engine oil viscosity to ensure startup. Install block heaters to maintain coolant temperature. In dusty environments, service the air filter more frequently and check the restriction indicator often. Inspect the radiator and oil cooler fins for debris buildup to prevent overheating. In high-altitude applications, verify governor settings to maintain power output. Protect hydraulic lines from UV degradation and extreme heat by ensuring proper routing and shielding.

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

Part number	Part	Notes
600-311-7132	Cartridge,Fuel Filter	Fuel system service	Check fitment →
6210-71-6202	Fuel Filter Ass'Y	Fuel system service	Check fitment →
07000-02080	O-Ring,Hydraulic Oil Filter	Hydraulic service	Check fitment →
6215-51-5690	Grommet,Oil Filter	Lubrication service	Check fitment →
600-211-1101	Oil Filter Sub A	Lubrication service	Check fitment →

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

SA12V140-1S-WA(S/N 11640-UP) fault codes & troubleshooting

Code	Meaning	Likely cause	What to do
CA111	Engine controller internal fault	ECM hardware failure or corrupted memory	Replace or reprogram the ECM
CA115	Engine speed sensor and backup speed sensor failure	Faulty crankshaft speed sensor or wiring issue	Replace the speed sensor and verify voltage at the pin connector
CA441	Battery voltage low error	Weak battery or charging system malfunction	Replace the battery or alternator and check the voltage regulator
CA442	Battery voltage high error	Alternator overcharging or regulator failure	Replace the alternator or battery and check the voltage regulator
CA451	Common rail pressure sensor feedback value too high	Faulty rail pressure sensor or actual overpressure condition	Diagnose the fuel rail pressure sensor or pump lines
CA452	Common rail pressure sensor feedback value too low	Faulty rail pressure sensor or fuel leak	Diagnose the fuel rail pressure sensor or pump lines
CA234	Engine overspeed	Throttle calibration error or operator misuse	Verify throttle calibration and engine load cycle
CA122	Intake air pressure sensor feedback voltage too high	Intake pressure sensor fault or wiring short	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 intake air temperature (IAT) sensor	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.

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

Wheel Loader Attachments

The SA12V140-1 engine powers the WA800-2 and WA900-1 wheel loader series, which utilize standard loader bucket couplers for general material handling. Bucket capacities for this class typically range from 6 to 10 cubic meters (7.8 to 13.1 cubic yards), varying by specific machine model and configuration. Factory guarding options include front grille guards and operator protection structures (ROPS/FOPS) integrated into the cab assembly.

Rigid Hauler Attachments

This engine is installed in the HD785-3, HD785-5, and HD985-5 rigid dump trucks, which do not use interchangeable work tools but feature fixed, high-capacity dump bodies. Body capacities for these models are approximately 50 to 70 cubic meters (65 to 92 cubic yards), designed for heavy mining and quarry applications. Notable factory configurations include retarder options for downhill control and specific exhaust gas cooling systems.

Bulldozer Attachments

The SA12V140-1 engine is specified for the D475A-2 bulldozer, which uses fixed blade mounting systems rather than quick-attach work tools. Blade types include semi-U and U configurations with capacities varying by width, typically handling 15 to 25 cubic meters (19.6 to 32.7 cubic yards) of material. Factory options include ripper attachments for the rear frame and various blade tilt/angle mechanisms for grading work.

Generator Set Configurations

The engine is used in stationary generator sets such as the EG750B-1L and EPSA12V140, where the 'work tool' is the alternator coupling and sound-attenuated enclosure. Output ratings for these configurations are approximately 500 to 800 kW, depending on the specific alternator and voltage requirements. Factory configurations include integrated fuel tanks, cooling radiators, and control panels specific to power generation standards.

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

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

Engine

Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : After Cooler Water Piping

01***20	Bolt,(For Mono Lever Steering)	4
01***25	Bolt,(For Canvas Canopy?Head Guard)	9
01***40	Bolt (Op)	7
01***65	Bolt - Return Line And Suction Linehose Clamps	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : After Cooler Water Piping (Cold Terrain Spec.) (For Electrical Governor)(#12378-)

01***20	Bolt,(For Mono Lever Steering)	4
01***25	Bolt,(For Canvas Canopy?Head Guard)	9
01***40	Bolt (Op)	7
01***65	Bolt - Return Line And Suction Linehose Clamps	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : After Cooler Water Piping (Cold Terrain Spec.) (For Mechanical Governor)(#12378-)

01***20	Bolt,(For Mono Lever Steering)	4
01***25	Bolt,(For Canvas Canopy?Head Guard)	9
01***40	Bolt (Op)	7
01***65	Bolt - Return Line And Suction Linehose Clamps	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : After Cooler Water Piping(#11972-)

01***20	Bolt,(For Mono Lever Steering)	4
01***25	Bolt,(For Canvas Canopy?Head Guard)	9
01***40	Bolt (Op)	7
01***65	Bolt - Return Line And Suction Linehose Clamps	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Cleaner(#12364-)

60***41	Pre-Cleaner Assembly	2
60***70	Nut, Wing	1
60***01	Element Ass'Y,Outer	1
60***20	Nut, Wing	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor (Front) (Inner Parts)(#11640-13302)

62***01	Air Compressor A.,(See Fig.A7010-D7a3)	1
DK***40	Gasket,Air Compressor	1
DK***40	Gasket,Air Compressor	1
DK***00	Stopper	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor (Front) (Inner Parts)(#11755-)

62***01	Air Compressor A.,(See Fig.A7010-D7a3)	1
DK***40	Gasket,Air Compressor	1
DK***40	Gasket,Air Compressor	1
DK***00	Stopper	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor (Front) (Inner Parts)(#13303-)

62***01	Air Compressor A.,(See Fig.A7010-D7a3)	1
DK***40	Gasket,Air Compressor	1
DK***40	Gasket,Air Compressor	1
DK***00	Stopper	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor (Rear) (Inner Parts)(#11640-13302)

62***01	Air Compressor A.,(See Fig.A7010-E7a3)	1
DK***40	Gasket,Air Compressor	1
DK***40	Gasket,Air Compressor	1
DK***00	Stopper	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor (Rear) (Inner Parts)(#11755-)

62***01	Air Compressor A.,(See Fig.A7010-E7a3)	1
DK***40	Gasket,Air Compressor	1
DK***40	Gasket,Air Compressor	1
DK***00	Stopper	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor (Rear) (Inner Parts)(#13303-)

62***01	Air Compressor A.,(See Fig.A7010-E7a3)	1
DK***40	Gasket,Air Compressor	1
DK***40	Gasket,Air Compressor	1
DK***00	Stopper	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor And Mounting(#11640-13302)

01***35	Bolt, Mount Ground Driven Steering Pump	2
01***45	Bolt, Mounting Cranking Motor	2
01***95	Capscrew - M12	3
01***45	Bolt (M12-2.00x45)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor And Mounting(#11755-)

01***35	Bolt, Mount Ground Driven Steering Pump	2
01***45	Bolt, Mounting Cranking Motor	2
01***95	Capscrew - M12	3
01***45	Bolt (M12-2.00x45)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor And Mounting(#13303-)

01***35	Bolt, Mount Ground Driven Steering Pump	2
01***45	Bolt, Mounting Cranking Motor	2
01***95	Capscrew - M12	3
01***45	Bolt (M12-2.00x45)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor Gasket Kit(#11755-)

07***00	O-Ring (K8)	2
07***00	O-Ring,(For Dual Water Pump)	2
07***19	Gasket,(For Hd325-6) (See Fig.A7010)	11
07***12	Gasket,(Without Air Compressor Type) (K2)	10

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor Piping (1/2)(#11640-13302)

01***35	Bolt,(For Fix Position)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	2
01***50	Bolt,(Spark Arrester Spec.)	1
01***55	Bolt,(See Service News)	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor Piping (1/2)(#11755-)

01***35	Bolt,(For Fix Position)	1
01***25	Bolt,(For Canvas Canopy?Head Guard)	2
01***50	Bolt,(Spark Arrester Spec.)	1
01***55	Bolt,(See Service News)	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor Piping (1/2)(#13303-)

01***25	Bolt,(For Canvas Canopy?Head Guard)	2
01***50	Bolt,(Spark Arrester Spec.)	1
01***55	Bolt,(See Service News)	2
01***08	Nut,(For Canvas Canopy?Head Guard)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor Piping (2/2)(#11640-13302)

01***45	Screw	1
01***50	Bolt,For Weight Adjusting Bolt	1
01***35	Bolt	1
01***32	Washer,(Not Used With Emergency Str.)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor Piping (2/2)(#11755-)

01***45	Screw	1
01***50	Bolt,For Weight Adjusting Bolt	1
01***35	Bolt	1
01***32	Washer,(Not Used With Emergency Str.)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Compressor Piping (2/2)(#13303-)

01***50	Bolt,For Weight Adjusting Bolt	1
01***35	Bolt	1
01***32	Washer,(Not Used With Emergency Str.)	1
07***12	Gasket,(Without Air Compressor Type) (K2)	10

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Intake Manifold And After Cooler (1/2) (L.H. Bank)

01***00	Bolt,(For Front Brake Release)	7
01***10	Bolt,(With Joy Stick Steering)	5
01***60	Bolt	12
01***90	Screw	26

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Intake Manifold And After Cooler (1/2) (L.H. Bank) (Cold Terrain Spec.)(#12378-)

01***00	Bolt,(For Front Brake Release)	7
01***10	Bolt,(With Joy Stick Steering)	5
01***60	Bolt	12
01***90	Screw	26

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Intake Manifold And After Cooler (1/2) (L.H. Bank)(#11972-)

01***00	Bolt,(For Front Brake Release)	7
01***10	Bolt,(With Joy Stick Steering)	5
01***60	Bolt	12
01***90	Screw	26

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Intake Manifold And After Cooler (2/2) (R.H. Bank)

01***00	Bolt,(For Front Brake Release)	8
01***10	Bolt,(With Joy Stick Steering)	4
01***60	Bolt	9
01***70	Screw	3

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Intake Manifold And After Cooler (2/2) (R.H. Bank) (Cold Terrain Spec.)(#12378-)

01***00	Bolt,(For Front Brake Release)	6
01***10	Bolt,(With Joy Stick Steering)	4
01***20	Capscrew	2
01***60	Bolt	9

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Intake Manifold And After Cooler (2/2) (R.H. Bank)(#11972-)

01***00	Bolt,(For Front Brake Release)	6
01***10	Bolt,(With Joy Stick Steering)	4
01***20	Capscrew	2
01***60	Bolt	9

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Air Vent(#12238-)

01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***10	Bolt,(With Joy Stick Steering)	1
01***30	Capscrew (1)	8
07***15	Gasket,(Hd325?Pc750?800?1800) (A5010)	26

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Alternator (90a) (Inner Parts)(#12106-)

60***30	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 : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Alternator Drive (For 50a And 75a)

01***16	Bolt - Seat And Tether Belt Mounting	6
01***30	Bolt,(Not Used When Towing Winch)	2
01***90	Bolt,For Weight Adjusting Bolt	1
01***00	Bolt,For Weight Adjusting Bolt	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Alternator Drive (For 90a)(#12106-)

01***16	Bolt - Seat And Tether Belt Mounting	6
01***30	Bolt,(Not Used When Towing Winch)	2
01***90	Bolt,For Weight Adjusting Bolt	1
01***00	Bolt,For Weight Adjusting Bolt	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Alternator Mounting (75a)

01***25	Bolt,(For Canvas Canopy?Head Guard)	6
01***30	Bolt,(With Body Positioner)	6
01***20	Bolt,For Weight Adjusting Bolt	1
01***45	Bolt	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Alternator Mounting (90a)(#12106-)

01***25	Bolt,(For Canvas Canopy?Head Guard)	6
01***30	Bolt,(With Body Positioner)	6
01***55	Bolt - Mount Cage To Transmission Case	1
01***45	Bolt	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Alternator Related Parts(#13090-)

62***50

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Breather And Front Seal(#11949-)

01***25	Bolt,(For Canvas Canopy?Head Guard)	3
01***30	Bolt,(With Body Positioner)	1
01***40	Bolt (Op)	4
01***20	Bolt,(Without Rops Guard? Canopy)	3

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Bypass Filter (For Wa800?900-3 And Wd900-3)(#12378-)

60***11	Filter, By-Pass (Spin-On) (1)	2
62***01	Filter Ass'Y,Bypass	1
62***10	Head	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Bypass Filter Bracket (For Wa800?900-3 And Wd900-3)(#12378-)

01***20	Bolt,(For Mono Lever Steering)	1
01***95	Capscrew	3
01***25	Capscrew	3
01***16	Washer,(With Shoe Slip Control)	6

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Bypass Oil Piping (For Wa900-3)(#12378-)

01***30	Bolt,(With Body Positioner)	1
01***85	Bolt, Divider Valve Mounting	2
07***23	O-Ring,Plug	1
07***10	Hose (To Locking Differential)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Camfollower And Tachometer Drive Shaft(#11949-)

01***85	Bolt (M10-1.50x85)	2
01***80	Bolt (M12-2.00x80)	12
01***80	Bolt (M10-1.50x80)	34
01***20	Bolt (M12-1.75x120)	24

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Camfollower Cover

01***20	Bolt,(For Japan Pc200)	70
07***12	Gasket,(Without Air Compressor Type) (K2)	48
62***20	Cover,Camfollower	12
62***30	Gasket (K2)	12

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Camfollower(#11949-)

04***12	Ring, Retaining	48
61***20	Ball	1
62***00	Lever, Cam Follower	24
62***01	Lever Ass'Y	24

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Camshaft And Gear(#11949-)

01***20	Bolt (M12-1.75x20)	4
04***25	Key, Plain Woodruff	1
62***20	Gear, Camshaft (Left Hand)	1
62***30	Plate,Thrust	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Caution Plate (English) (Non Regulation Of Epa)(#12731-)

60***60	Plate,(Not Shown)	1
60***61	Plate,Caution	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Cooling Fan (Noise Suppression Spec.)(#13304-)

Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Corrosion Resistor

01***35	Bolt,(F4320-52a0 -5 )	2
07***06	O-Ring,Corrosion Resistor	1
07***14	O-Ring,(F4350-63a1a-2 )	1
07***08	Plug,(Without Oil Pressure Switch)	3

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Crank Pulley

04***24	Pin,Dowel (For No.3 Housing)	1
61***21	Bolt	6
62***30	Pulley? Hardening	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Crankshaft

04***28	Key, Plain Woodruff	1
62***01	Main Metal Ass'Y	1
62***11	Main Metal Ass'Y,No.1?2?3?5?6?7	6
62***21	Main Metal Ass'Y,No.4	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Cylinder Block Gasket Kit

07***12	O-Ring, Between Valve And Pump	1
07***15	O-Ring,(Without Boom Kickout)	2
07***21	O-Ring,Water Piping	2
07***25	O-Ring,Corrosion Resistor	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Cylinder Block Related Parts (Wa800-1?2 And Hd785-3 Electircal Governor Spec.)(#11949-)

01***25	Bolt,(Without Rops Guard? Canopy)	26
08***05	Switch,Engine Oil Pressure	1
62***10	Cover, Water Header	3
62***81	Gasket, Water Header Cover	3

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Cylinder Block(#11949-)

01***25	Screw	12
01***16	Washer,(With Water Separator)	12
01***60	Washer,(Without Rops Guard? Canopy)	14
02***04	Plug, Pipe	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Cylinder Head Gasket Kit

02***75	O-Ring,(See Fig.A1310)	8
07***21	O-Ring,Water Piping	24
07***25	O-Ring,Corrosion Resistor	5
07***21	O-Ring,Oil Cooler Pipe	24

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Cylinder Head(#11883-)

01***16	Bolt,(For Shipping)	12
01***20	Bolt (M10-1.75x120)	12
04***20	Pin,Dowel (Welded)	2
07***25	O-Ring,Lubrication Valve	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Damper

01***35	Bolt, Mount Ground Driven Steering Pump	12
01***32	Washer,(Not Used With Emergency Str.)	12
04***24	Pin,Dowel (For No.3 Housing)	1
62***00	Damper Ass'Y	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Electrical Wiring (For Electrical Governor) (For Ec Regulation)(#12000-)

01***25	Bolt,(Without Rops Guard? Canopy)	4
01***16	Bolt, Mount Solenoid Valve	8
01***16	Bolt - Starting Motor Ground Cable	4
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	4

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Electrical Wiring (For Electrical Governor) (Harness Heavy Duty Type)(#11640-11999)

01***25	Bolt,(Without Rops Guard? Canopy)	4
01***16	Bolt, Mount Solenoid Valve	8
01***16	Bolt - Starting Motor Ground Cable	20
01***25	Bolt, Mount Engine Oil Drain To Fuel Tank	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Engine Support And Bracket

01***55	Bolt, Strut Mounting - To Radiator And Rear Frame	12
01***55	Capscrew	12
01***60	Flat Washer - M20 (Hardened)	12
04***34	Pin-Dowel, Pin,Dowel (For Shipping)	8

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Exhaust Manifold

01***95	Bolt	48
61***50	Stud, Mounting	4
62***81	Gasket, Exhaust Manifold	12
62***10	Manifold,Exhaust? Front? R.H	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Flywheel

01***80	Bolt	10
61***20	Washer, Plain (M20)	10
62***00	Flywheel Ass'Y	1
66***21	Gear, Ring	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Flywheel Housing

01***30	Screw	3
01***65	Bolt,L.H	14
01***30	Bolt, Tank Mounting	3
01***65	Bolt (M18-2.50x65)	14

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Flywheel Housing (For Electrical Governor)(#11755-)

01***30	Screw	3
01***65	Bolt,L.H	14
01***30	Bolt, Tank Mounting	3
01***65	Bolt (M18-2.50x65)	14

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Front Cover(#11949-)

01***75	Bolt - Tube Mounting	7
01***90	Bolt,For Weight Adjusting Bolt	3
01***30	Bolt,For Weight Adjusting Bolt	9
01***45	Screw	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Controller (For Wa800?900-3 And Wd900-3)(#13090-)

78***01

Controller

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Controller (Forwarded Individually Parts) (For Wa800?900-3 And Wd900-3)(#12000-)

78***00	Controller	1
78***01	Controller	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Filter And Piping (1/2) (L.H.)

01***35	Bolt,(For Fix Position)	2
01***35	Bolt,(F4320-52a0 -5 )	4
01***15	Bolt, Fan Mounting	4
01***20	Bolt, Hose Clamps (Inlet And Return Line Hoses)	5

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Filter And Piping (2/2) (R.H.)

01***40	Screw, Hex Socket	4
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***50	Bolt,(Spark Arrester Spec.)	2
01***06	Nut, Regular Hexagon (M8-1.25)	4

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Filter And Piping(#11922-)

01***30	Bolt - M8 X 30lg	2
01***45	Screw	1
01***20	Bolt,(For Mono Lever Steering)	1
01***35	Bolt,(F4320-52a0 -5 )	4

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Nozzle

01***20	Capscrew	12
07***21	O-Ring,Oil Cooler Pipe	24
07***21	Seal, O-Ring	12
07***12	Gasket,Mechanical Pump Piping	24

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Coupling) (For Electrical Governor) (Inner Parts)

01***25	Bolt,(Without Rops Guard? Canopy)	6
01***35	Bolt, Mount Ground Driven Steering Pump	2
65***01	Coupling Ass'Y	2
65***31	Coupling	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Coupling) (L.H.) (Inner Parts)

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

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Coupling) (R.H.) (Inner Parts)

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

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Feed Pump) (L.H.) (Inner Parts)

DK***90	Feed Pump Ass'Y	1
DK***20	Bolt, Joint	1
DK***00	Valve,Check	4
DK***30	Eye,Joint	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Feed Pump) (R.H.) (Inner Parts)

DK***90	Feed Pump Ass'Y	1
DK***20	Bolt, Joint	1
DK***00	Valve,Check	4
DK***30	Eye,Joint	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (L.H.) (1/2) (For Electrical Governor) (Inner Parts)

01***45	Bolt	4
01***80	Bolt	6
01***80	Bolt	6
04***14	Pin, Dowel	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (L.H.) (1/2) (Inner Parts)

DK***00	Gasket	1
DK***00	Gear	1
DK***00	Shim? 2.00mm,(High Altitude Spec.)	0
DK***10	Key? 13mm,Woodruff	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (L.H.) (2/2) (For Electrical Governor) (Inner Parts)

01***30	Bolt (Itl)	1
01***80	Bolt	2
01***30	Bolt	1
01***80	Bolt	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (L.H.) (2/2) (Inner Parts)

DK***80	Shim? 0.5mm	0
DK***40	Gasket,Air Compressor	4
DK***40	Bolt	4
DK***10	Key? 13mm,Woodruff	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (R.H.) (1/2) (For Electrical Governor) (Inner Parts)

01***45	Bolt	4
01***80	Bolt	6
01***80	Bolt	6
04***14	Pin, Dowel	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Governor) (R.H.) (2/2) (For Electrical Governor) (Inner Parts)

01***30	Bolt (Itl)	1
01***80	Bolt	2
01***30	Bolt	1
01***80	Bolt	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (L.H.) (1/2) (For Electrical Governor) (Inner Parts)

01***12	Bolt - M8 - 1.25 X 12	2
01***35	Bolt	4
01***30	Bolt (Itl)	6
01***35	Bolt	4

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (L.H.) (1/2) (Inner Parts)

62***50	Injection Pump A.,L.H	1
DK***30	Bearing,Roller	1
DK***00	Bearing,Center	2
DK***00	Plug	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (L.H.) (2/2) (For Electrical Governor) (Inner Parts)

01***08	Nut, Regular Hexagon (M10-1.50)	12
01***32	Washer,(With Auto Emergency Steering)	12
65***01	Valve Ass'Y	6
65***02	Valve Ass'Y	6

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (L.H.) (2/2) (Inner Parts)

DK***00	Nut	12
DK***40	Screw	2
DK***00	Shim? 0.875mm	0
DK***00	Shim? 0.500mm	0

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (R.H.) (1/2) (For Electrical Governor) (Inner Parts)

Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (R.H.) (1/2) (Inner Parts)

62***60	Injection Pump Ass'Y,R.H. (See Fig.A4010-H7f3)	1
DK***30	Bearing,Roller	1
DK***20	Limiter	1
DK***00	Bearing,Center	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (R.H.) (2/2) (For Electrical Governor) (Inner Parts)

01***08	Nut, Regular Hexagon (M10-1.50)	12
01***32	Washer,(With Auto Emergency Steering)	12
65***01	Valve Ass'Y	6
65***02	Valve Ass'Y	6

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump (Pump) (R.H.) (2/2) (Inner Parts)

Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump Bracket (For Electrical Governor)(#12670-)

01***70	Bolt - Bracket And Oil Inlet Tubemounting	4
01***95	Capscrew	8
01***32	Washer,(With Auto Emergency Steering)	12
04***24	Pin,Dowel (For No.3 Housing)	4

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump Bracket(#12670-)

01***70	Bolt - Bracket And Oil Inlet Tubemounting	4
01***95	Capscrew	8
01***32	Washer,(With Auto Emergency Steering)	12
04***24	Pin,Dowel (For No.3 Housing)	4

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump Drive

01***30	Bolt,(Not Used When Towing Winch)	8
01***20	Bolt, Mount Spool Covers	6
01***13	Nut, Regular Hexagon (M22-1.25)	2
01***12	Washer,(With Body Positioner)	6

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump Linkage

01***20	Bolt,(For Mono Lever Steering)	1
01***03	Nut? L.H. Thread,L.H. Thread	1
01***05	Nut (Welded)	1
01***08	Nut, Regular Hexagon (M10-1.50)	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump Lubricating (1/2) (L.H. Bank)

07***12	Gasket,(Without Air Compressor Type) (K1)	2
07***14	Screw, Banjo Connector (M10)	1
61***20	Nipple	1
62***20	Nipple	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump Lubricating (1/2) (L.H. Bank) (For Electrical Governor)(#11755-)

07***12	Gasket,(Without Air Compressor Type) (K2)	4
07***12	Gasket,(Without Air Compressor Type) (K1)	2
07***10	Screw, Banjo Connector (M10-1.25x20)	1
07***14	Screw, Banjo Connector (M10)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump Lubricating (2/2) (R.H. Bank)

07***12	Gasket,(Without Air Compressor Type) (K2)	2
07***12	Gasket,(Without Air Compressor Type) (K1)	2
07***10	Screw, Banjo Connector (M10-1.25x20)	1
07***14	Screw, Banjo Connector (M10)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump Lubricating (2/2) (R.H. Bank) (For Electrical Governor)(#11755-)

07***12	Gasket,(Without Air Compressor Type) (K2)	2
07***12	Gasket,(Without Air Compressor Type) (K1)	2
07***10	Screw, Banjo Connector (M10-1.25x20)	1
07***14	Screw, Banjo Connector (M10)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump Mounting

01***90	Bolt,(For No?1 And No?3 Housing)	8
01***32	Washer, (Without Emergency Steering)	8
07***12	Gasket,(Without Air Compressor Type) (K2)	2
07***08	Plug,(Without Lock-Up), Plug	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump Mounting (For Electrical Governor)

01***00	Bolt	8
01***32	Washer, (Without Emergency Steering)	8
07***08	Plug,(Without Lock-Up), Plug	2
62***31	Pin,Dowel	4

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump Piping (1/2) (L.H. Bank)

01***25	Capscrew	7
01***30	Screw	7
01***35	Bolt	4
01***20	Bolt,(For Mono Lever Steering)	4

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump Piping (1/2) (L.H. Bank) (For Electrical Governor)(#12984-)

01***30	Screw	7
01***35	Bolt	6
01***20	Bolt,(For Mono Lever Steering)	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump Piping (2/2) (R.H. Bank)

01***25	Capscrew	5
01***30	Screw	5
01***35	Bolt	4
01***20	Bolt,(For Mono Lever Steering)	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Injection Pump Piping (2/2) (R.H. Bank) (For Electrical Governor)(#12984-)

01***30	Screw	11
01***35	Bolt	4
01***20	Bolt,(For Mono Lever Steering)	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Piping (L.H. Bank)(#11922-)

01***25	Bolt,(Rear Attachment Less)	2
01***20	Bolt	2
01***25	Screw	2
01***30	Bolt,(Water Separator Spec.)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Piping (R.H. Bank)(#11922-)

01***20	Bolt, Wiring Harness Mounting Bracket	2
01***95	Bolt	1
01***20	Bolt	2
01***30	Bolt,See Fig. K4010-17a0	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Return (L.H. Bank)

01***25	Bolt	1
07***12	Gasket,Mechanical Pump Piping	3
07***08	Plug,(Without Oil Pressure Switch)	2
07***08	Screw, Banjo Connector (M5)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Return (L.H. Bank)(#12796-)

01***30	Screw	2
01***25	Bolt,(Rear Attachment Less)	1
01***20	Bolt,(For Mono Lever Steering)	1
01***20	Bolt - Mount Risers To Cab Floor	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Return (R.H. Bank)

01***25	Bolt	1
07***12	Gasket,Mechanical Pump Piping	3
07***08	Plug,(Without Oil Pressure Switch)	2
07***08	Screw, Banjo Connector (M5)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Fuel Return (R.H. Bank)(#12796-)

01***25	Bolt,(Rear Attachment Less)	1
01***20	Bolt,(For Mono Lever Steering)	1
01***23	Washer, Wiring Harness Mounting Bracket	1
01***32	Washer,(With Auto Emergency Steering)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Gear Case Related Parts(#11949-)

01***20	Bolt,(Without Rops Guard? Canopy)	4
01***30	Bolt,(Not Used When Towing Winch)	13
07***08	Plug,(Without Lock-Up), Plug	4
07***16	Plug, Expansion	9

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Head Cover(#11949-)

01***55	Screw	36
62***11	Cover,Rocker Arm Housing	12
62***20	Gasket, Rocker Lever Housing	12

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Heat Shield (For Wa800?900-2 And Hd785?985-3)

01***35	Capscrew	8
01***40	Capscrew	8
01***32	Washer,(With Auto Emergency Steering)	8
61***20	Spacer,(Without Corrosion Resistor)	8

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Heater Switch (L.H. Bank)

01***12	Bolt,(With Speedometer)	2
01***16	Bolt - Starting Motor Ground Cable	5
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	4
01***16	Bolt,(With Alternator Cover Type)	5

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Heater Switch (R.H. Bank)

01***12	Bolt,(With Speedometer)	2
01***16	Bolt - Starting Motor Ground Cable	5
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	4
01***16	Bolt,(With Alternator Cover Type)	5

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Idler Gear

01***40	Bolt (Op)	12
01***80	Bolt,For Weight Adjusting Bolt	2
01***10	Bolt,For Weight Adjusting Bolt	4
61***60	Pin, Dowel	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Muffler Piping(#11832-)

01***45	Capscrew	10
01***50	Bolt	12
62***80	Connector	2
62***91	Connector,Exhaust	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Muffler(#11832-)

01***30	Bolt,(With Body Positioner)	5
01***35	Bolt,(F4320-52a0 -5 )	4
01***45	Bolt,(With Water Separator Type)	7
01***50	Bolt,(Spark Arrester Spec.)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Name Plate And Caution (Japanese-English)

04***60	Screw, Serial Number Plate	4
60***40	Plate? Name,(Limited Supply)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Nozzle Holder (Inner Parts)

62***12	Holder Ass'Y,(See Fig.A4210-B7a4)	12
DK***00	Shim? 0.725mm	0
DK***00	Shim? 0.525mm	0
DK***00	Shim? 1.275mm	0

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Adapter

Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Adapter (Cold Terrain Spec.)(#12378-)

01***12	Bolt - M8 - 1.25 X 12	3
01***65	Bolt - Return Line And Suction Linehose Clamps	1
01***80	Bolt,(With Corrosion Resistor)	6
01***90	Capscrew	3

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Cooler (Cold Terrain Spec.)(#12319-)

01***30	Bolt,(With Body Positioner)	24
01***65	Bolt - Return Line And Suction Linehose Clamps	2
01***16	Bolt - Starting Motor Ground Cable	1
07***16	O-Ring (K2)	8

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Cooler Mounting(#11949-)

01***75	Bolt (M10-1.50x75)	4
07***40	O-Ring,Cooling Valve	1
07***40	O-Ring,(For Hd325-6?Hm400-1) (A3110)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Cooler(#11949-)

01***30	Bolt,(With Body Positioner)	24
01***65	Bolt - Return Line And Suction Linehose Clamps	2
07***16	O-Ring (K2)	8
60***10	Element	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Filler

01***20	Bolt,(For Mono Lever Steering)	4
07***38	O-Ring,(For Slag Handling)	1
07***38	Seal, O-Ring	1
07***00	Cap,Oil Filler	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Filter

01***25	Bolt,(For Canvas Canopy?Head Guard)	6
01***30	Bolt,(With Body Positioner)	7
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	13
01***40	Bolt,(Shim 3-Piece)	4

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Filter (Cold Terrain Spec.)(#12378-)

01***25	Bolt,(For Canvas Canopy?Head Guard)	6
01***30	Bolt,(With Body Positioner)	7
01***30	Bolt - Lower Oil Cooler Outlet Tubemounting	13
01***40	Bolt,(Shim 3-Piece)	4

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Level Gauge

01***16	Bolt - Starting Motor Ground Cable	1
07***12	O-Ring,(Extreme Cold Terrain Spec.) (K2)	1
07***12	O-Ring,(F4350-59a1 -17 )	1
07***27	Nut, Tube	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Level Gauge (Cold Terrain Spec.)(#12378-)

01***20	Bolt,(For Mono Lever Steering)	1
01***32	Washer,(With Auto Emergency Steering)	1
04***10	Clip	1
07***12	O-Ring,(Extreme Cold Terrain Spec.) (K2)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Level Gauge(#11972-)

01***20	Bolt,(For Mono Lever Steering)	1
01***32	Washer,(With Auto Emergency Steering)	1
04***10	Clip	1
07***12	O-Ring,(Extreme Cold Terrain Spec.) (K2)	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Pan And Suction Tube

01***20	Bolt,(For Mono Lever Steering)	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	24
01***30	Bolt,(With Body Positioner)	1
01***35	Bolt,(F4320-52a0 -5 )	5

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Pan And Suction Tube (Cold Terrain Spec.)(#12378-)

01***20	Bolt,(For Mono Lever Steering)	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	27
01***30	Bolt,(With Body Positioner)	1
01***35	Bolt,(F4320-52a0 -5 )	5

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Pan And Suction Tube(#11972-)

01***20	Bolt,(For Mono Lever Steering)	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	24
01***30	Bolt,(With Body Positioner)	1
01***35	Bolt,(F4320-52a0 -5 )	5

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Oil Pump

01***30	Bolt,(With Body Positioner)	2
01***55	Bolt,(See Service News)	1
01***20	Bolt,(Forwarded Individually Parts)	5
01***30	Bolt	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Piston

02***13	Pin, Dowel	2
04***20	Ring, Retaining	24
62***33	Piston Ring Ass'Y,Per Cylinder	12
62***50	Piston Ring Ass'Y,Per Cylinder	12

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Safety Guard (Injection Pump Drive)

01***20	Bolt,(For Mono Lever Steering)	14
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***40	Bolt (Op)	2
01***75	Bolt (M10-1.50x75)	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Safety Guard (Injection Pump Drive) (For Electrical Governor)(#12000-)

01***20	Bolt,(For Mono Lever Steering)	6
01***25	Bolt,(For Canvas Canopy?Head Guard)	1
01***75	Bolt (M10-1.50x75)	2
01***00	Bolt,(For Front Brake Release)	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Shield Plate(#11949-)

62***10	Plate,Heat Shield	2
62***11	Plate,Heat Shield	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Starting Motor (7.5kw) (Inner Parts)(#12609-)

60***32	Starting Motor Ass'Y,(7.5kw)	2
KD***20	Magnetic Switch Assembly	1
KD***40	Spring,Spring	4
KD***50	Brush Assembly	4

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Starting Motor Mounting (7.5kw)

01***40	Bolt (Kit)	6
01***20	Bolt	2
01***08	Nut,R.H. Thread	2
01***16	Washer,Radio Controlled Slag Handling	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Stop Motor And Linkage (For Mechanical Governor)(#12378-)

01***16	Bolt, Battery To Frame Ground Wire Attaching	2
61***90	Spacer	2
62***50	Bracket	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Stop Motor And Linkage (Mechanical Governor Spec.)(#12378-)

01***05	Nut (Welded)	1
60***31	Motor,Stop	1
69***10	Joint,Ball	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Thermostat Housing

01***20	Bolt,(For Mono Lever Steering)	2
01***30	Bolt,(With Body Positioner)	2
01***10	Bolt,(With Joy Stick Steering)	2
01***20	Bolt,For Weight Adjusting Bolt	12

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Thermostat Housing (With Air Comppressor)(#11922-)

01***20	Bolt,(For Mono Lever Steering)	2
01***25	Bolt,(For Canvas Canopy?Head Guard)	2
01***10	Bolt,(With Joy Stick Steering)	2
01***20	Bolt,For Weight Adjusting Bolt	12

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Turbocharger (Ktr110g-F45a) (Inner Parts)

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

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Turbocharger Blind Cover

01***25	Bolt,Joint	16
61***30	Plate	8
61***41	Gasket,(Fig.A1530)	8

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Turbocharger Oil Piping

01***25	Bolt,(For Canvas Canopy?Head Guard)	4
01***35	Bolt,(F4320-52a0 -5 )	4
01***16	Bolt - Starting Motor Ground Cable	5
01***08	Nut, Regular Hexagon (M10-1.50)	2

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Water Pump Gasket Kit

07***60	O-Ring,(For Pc750?800?1800) (A2610)	1
07***80	O-Ring,Hydraulic Oil Filter	1
07***90	O-Ring,(Dk029369-0020) (K2)	1
07***40	O-Ring,(F2310-52a1 -12 )	1

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Komatsu : Sa12v140-1s-Wa(S/N 11640-Up) : Engine : Water Pump(#12238-)

01***20	Bolt,(For Mono Lever Steering)	1
01***30	Bolt,(Not Used When Towing Winch)	2
01***10	Bolt,(With Joy Stick Steering)	3
01***30	Capscrew (1)	7

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SA12V140-1S-WA(S/N 11640-UP) serial number reference

The machine serial number plate is located on the front frame, on the right-hand side of the articulation joint. The engine serial number is stamped on the engine block, typically on the left side near the injection pump. To identify the correct engine configuration, verify the 'WA' suffix in the engine model code stamped on the engine data plate, which indicates the wheel loader configuration family.

Prefix	Identifies	Notes
WA	Wheel Loader	The 'WA' suffix in the engine model code (SA12V140-1S-WA) denotes the wheel loader application family. This engine is fitted to WA-series wheel loaders, such as the WA800-2 and WA800-3.

Frequently asked questions

What engine does the Komatsu SA12V140-1S-WA use?

It uses the Komatsu SA12V140-1, a 12-cylinder, 30.5-liter, water-cooled, turbocharged diesel engine with mechanical jerk-pump fuel injection.

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

The operating weight varies by configuration and series, typically ranging from 30,000 to 87,000 lb (13,600 to 39,500 kg) for the WA800 wheel loaders and D475A bulldozers.

What replaced the SA12V140-1 series?

The SA12V140-1 was replaced by the electronically controlled SAA12V140E-3 series, which introduced common rail fuel injection and improved emissions compliance.

Need a specific SA12V140-1S-WA(S/N 11640-UP) part?

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