Komatsuengine(no series)
Komatsu SAA6D140E-2A-8(S/N 22537-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu SAA6D140E-2A-8 (S/N 22537-UP) is a 6-cylinder, turbocharged, aftercooled diesel engine belonging to the 6D140-2 family. It powers the Komatsu D275A-5 crawler dozer, a roughly 50-tonne class machine used in mining, quarry, and heavy earthmoving work. The engine is rated in the 306 kW (410 HP) class for this application, though gross power for the 6D140-2 family is approximately 368 kW (493 HP) at 1900 rpm. The host dozer carries an operating weight of about 49,850 kg (109,900 lb), varying by blade and undercarriage configuration. This engine generation served as the power unit for the earlier production run of the D275A-5, with the line's predecessor, the D275A-2, using a larger 6D170-family engine.
Across the D275A-5's production life, Komatsu moved the engine forward from the -2E-9 build to the -3 generation without changing the dozer's model designation, then eventually introduced the D275A-5R with the larger SAA6D140E-5 engine (about 335 kW / 449 HP) as the current top-of-line machine in this size class. The SAA6D140E-2A-8 represents a step down in displacement from the D275A-2's 6D170-family engine while holding comparable power through turbocharging and aftercooling, reflecting Komatsu's broader shift toward more compact, higher-boost engines. In the used and parts market, this mechanically governed, pre-electronic engine remains valued for its simplicity and serviceability in remote or extreme-climate operations where diagnostic support is limited; as factory parts supply shifts toward the newer -3 and SAA6D140E-5 generations, demand grows for rebuilt injection pumps, turbochargers, and other take-off components to keep early-serial D275A-5 dozers running.
Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.
Komatsu SAA6D140E-2A-8(S/N 22537-UP) specifications
Engine
| Model | SAA6D140E-2A-8 |
| Series/Generation | SAA6D140E-2 Series |
| Type | Turbocharged, aftercooled diesel |
| Cylinders | 6 |
| Displacement | 15.2 L (930 in³) |
| Bore | 140 mm (5.51 in) |
| Stroke | 150 mm (5.91 in) |
| Fuel System | Common rail direct injection |
| Cooling | Water-cooled |
| Emissions Tier | Not documented for this exact serial range — verify with your dealer |
Weights
| Operating Weight | Not documented for this exact serial range — verify with your dealer |
| Shipping Weight | Not documented for this exact serial range — verify with your dealer |
| Ground Pressure | Not documented for this exact serial range — verify with your dealer |
Dimensions
| Transport Length | Not documented for this exact serial range — verify with your dealer |
| Transport Width | Not documented for this exact serial range — verify with your dealer |
| Transport Height | Not documented for this exact serial range — verify with your dealer |
| Track Gauge | Not documented for this exact serial range — verify with your dealer |
| Ground Clearance | Not documented for this exact serial range — verify with your dealer |
Performance
| Travel Speed | Not documented for this exact serial range — verify with your dealer |
| Gradeability | Not documented for this exact serial range — verify with your dealer |
| Digging Force | Not documented for this exact serial range — verify with your dealer |
| Lifting Capacity | Not documented for this exact serial range — verify with your dealer |
Service capacities (summary)
| Fuel Tank | Not documented for this exact serial range — verify with your dealer |
| Hydraulic System | Not documented for this exact serial range — verify with your dealer |
| Engine Oil | Not documented for this exact serial range — verify with your dealer |
| Cooling System | Not documented for this exact serial range — verify with your dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
SAA6D140E-2A-8(S/N 22537-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with oil filter) | 87–99 L (23–26 US gal) | Komatsu Genuine diesel engine oil (EO series, e.g. EO10W-30-DH / EO15W-40-DH) meeting JASO DH-1, API CI-4 and ACEA E7. Grade is picked from the machine's viscosity-by-ambient-temperature chart — lighter 10W-30 for cold climates, 15W-40 for temperate to warm climates. |
| Cooling system (radiator and engine block) | 99–107 L (26–28 US gal) | Komatsu Super Coolant AF-NAC, factory pre-mixed antifreeze/coolant for year-round use and extended service life. Top off with the same AF-NAC concentration; do not mix coolant types. |
| Fuel tank | not applicable to this item | This is a bare engine assembly fitted across several Komatsu machine chassis depending on arrangement; fuel, transmission, hydraulic, final-drive and axle capacities and fluid choices are set by the host machine's own operation & maintenance manual, not the engine documentation. |
| Transmission/powertrain compartments | not applicable to this item | This is a bare engine assembly fitted across several Komatsu machine chassis depending on arrangement; fuel, transmission, hydraulic, final-drive and axle capacities and fluid choices are set by the host machine's own operation & maintenance manual, not the engine documentation. |
| Final drives | not applicable to this item | This is a bare engine assembly fitted across several Komatsu machine chassis depending on arrangement; fuel, transmission, hydraulic, final-drive and axle capacities and fluid choices are set by the host machine's own operation & maintenance manual, not the engine documentation. |
| Hydraulic system and tank | not applicable to this item | This is a bare engine assembly fitted across several Komatsu machine chassis depending on arrangement; fuel, transmission, hydraulic, final-drive and axle capacities and fluid choices are set by the host machine's own operation & maintenance manual, not the engine documentation. |
| Axles/differentials | not applicable to this item | This is a bare engine assembly fitted across several Komatsu machine chassis depending on arrangement; fuel, transmission, hydraulic, final-drive and axle capacities and fluid choices are set by the host machine's own operation & maintenance manual, not the engine documentation. |
| Grease (external linkage/mounting points, 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-2A-8(S/N 22537-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
| Every 8,000 h |
|
Servicing the SAA6D140E-2A-8(S/N 22537-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Run scheduled engine oil sampling on the SAA6D140E-2A-8 to catch wear-metal trends before the mechanically governed injection pump or turbocharger bearings fail outright. This engine carries no ECM fault codes, so oil analysis and coolant testing are the only early-warning tools available. Track soot loading and iron/copper counts against baseline, watch coolant freeze point and corrosion-resistor cartridge condition closely given the -50C spec, and log fuel filter differential pressure to predict injection pump wear on the D275A-5 it powers.
Corrective & Common Repairs
Typical corrective work on this engine centers on the mechanical governor and injection pump linkage, turbocharger seal seepage, and cracked or loose air intake ducting from constant thermal cycling in cold-region service. Corrosion resistor cartridge neglect leads to internal coolant passage pitting in the block and head, a frequent complaint on high-hour D275A-5 dozers. Fan belt and mounting isolator failure is common due to repeated cold starts. Addressing these issues requires precise adjustment of the jerk-pump timing and replacement of worn turbocharger seals to maintain boost pressure and prevent oil consumption.
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 compression and airflow.
Seasonal & Environment Servicing
For the -50°C arctic-spec configuration, inspect the cold-start aid circuit (intake heater or ether-assist system) every 2,000 hours. Test coolant freeze-point protection ahead of continued cold-region service at the 500-hour interval. Check the corrosion resistor cartridge sight glass daily; replace the element if discolored to prevent internal coolant passage pitting. Use lighter 10W-30 Komatsu EO oil for cold climates and 15W-40 for temperate to warm climates. Inspect fan belt tension and condition for cracking from repeated cold starts during daily checks.
SAA6D140E-2A-8(S/N 22537-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 600-311-7132 | Cartridge,Fuel Filter | Fuel system service | Check fitment → |
| 09637-90263 | Plate? Instruction,Air Cleaner Element Mainte | Air intake service | Check fitment → |
| 09637-30163 | Plate? Instruction,Air Cleaner (Single Element) | Air intake service | Check fitment → |
| 09637-30263 | Plate? Instruction,Air Cleaner Element Mainte | Air intake service | Check fitment → |
| 09637-81163 | Plate? Instruction,Air Cleaner Element Mainte | Air intake service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
SAA6D140E-2A-8(S/N 22537-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CA115 | Engine crankshaft speed sensor failure | Broken sensor, wiring issue, or connector corrosion | Replace the speed sensor and verify voltage at the pin connector |
| CA451 | Common rail pressure sensor feedback value too high | Malfunction in the rail sensor or actual overpressure condition | Diagnose the fuel rail pressure sensor or pump lines |
| CA111 | Internal engine controller fault | ECM internal abnormality | Replace or reprogram the ECM |
| CA234 | Engine overspeed | Throttle calibration error, engine load cycle issue, or operator misuse | Verify throttle calibration and engine load cycle |
| CA441 | Battery voltage too low | Alternator failure, battery degradation, or voltage regulator issue | Replace the alternator or battery and check the voltage regulator |
| CA122 | Intake air pressure high voltage | Intake pressure sensor malfunction or wiring issue | Verify the intake pressure sensor and wiring |
| CA123 | Intake air pressure low voltage | Sensor short or airflow restriction | Check for a sensor short or an airflow restriction |
| CA153 | Intake air temperature sensor error (high) | Sensor failure or circuit issue | Replace or test the IAT sensor |
| CA428 | Fuel moisture sensor invalid voltage | Contaminated fuel supply or sensor harness issue | Ensure a clean fuel supply and check the moisture sensor harness |
| CA2311 | IMV solenoid valve failure | Solenoid malfunction or wiring fault | Replace the IMV solenoid or inspect the wire harness |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
SAA6D140E-2A-8(S/N 22537-UP) attachments & work tools
Bulldozer Blade Configurations
The SAA6D140E-2A-8 engine is installed in the D275A-5 series dozers. Factory configurations for this size class include Semi-U (SU) and Universal (U) blades with capacities ranging from 10.0 to 12.0 cubic meters (13.1 to 15.7 cubic yards). Guarding options typically involve side cutters and corner cutters to protect the blade edges during heavy grading and pushing operations.
Excavator Bucket Families
This engine powers the PC400LC-6 and PC800-6 series excavators. Typical bucket sizes range from 1.5 to 2.5 cubic meters (2.0 to 3.3 cubic yards) for the PC400 class and 3.0 to 4.5 cubic meters (3.9 to 5.9 cubic yards) for the PC800 class. Bucket types include heavy-duty rock buckets, standard digging buckets, and light-duty grading buckets, all utilizing a Komatsu-style pin-on or quick-coupler mounting system.
Wheel Loader Bucket Configurations
The WA470-DZ-3 wheel loader utilizes a 3.0 to 4.0 cubic meter (3.9 to 5.2 cubic yard) bucket capacity range. Configurations include general purpose, rock, and light material buckets. The mounting system is a standard pin-on linkage compatible with Komatsu's quick-attach coupler options, allowing for rapid tool changes without hydraulic line modifications.
Mining Dump Truck Bodies
The SAA6D140E-2A-8 engine is used in the HD325-6 and HD405-6 rigid frame dump trucks. Body capacities range from 30 to 40 cubic meters (39 to 52 cubic yards) depending on the specific model variant. Factory options include high-wall bodies for loose material and low-wall bodies for dense rock, with reinforced floor plates and side skirts for durability.
Hydraulic Coupler and Kit Requirements
Work tools requiring hydraulic power (such as quick couplers or breakers) utilize the machine's auxiliary hydraulic lines. The SAA6D140E-2A-8 engine provides the necessary hydraulic flow via the main pump, but specific tool kits must match the machine's pilot pressure and flow rate specifications. Factory guarding options include high-pressure hose guards and protective covers for hydraulic connections.
All SAA6D140E-2A-8(S/N 22537-UP) assemblies by section
Every catalogued assembly group for the Komatsu SAA6D140E-2A-8(S/N 22537-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Engine
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : After Cooler (Chassis Mount)(#22653-27395)
| 62***00 | After Cooler A | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : After Cooler (Chassis Mount)(#27396-)
| 62***00 | After Cooler A | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Air Compressor (Inner Parts)(#22653-)
| 62***12 | Air Compressor Ass'Y | 1 |
| 62***13 | Air Compressor Ass'Y | 1 |
| DK***00 | Flange | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Air Compressor Gasket Kit(#22653-)
| 07***25 | O-Ring,Corrosion Resistor | 1 |
| 07***19 | Gasket,(For Hd325-6) (See Fig.A7010) | 3 |
| 07***25 | Gasket (Kit) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Air Compressor Mounting(#22653-)
| 01***30 | Bolt | 4 |
| 01***12 | Nut | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 8 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Air Compressor Piping (1/2)(#22653-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***80 | Bolt,(With Corrosion Resistor) | 2 |
| 01***90 | Bolt,(For No?1 And No?3 Housing) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Air Compressor Piping (2/2)(#22653-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 1 |
| 01***40 | Screw, Hex Socket | 3 |
| 01***45 | Bolt,(With Water Separator Type) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Air Intake Manifold(#22653-)
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***40 | Bolt (Op) | 4 |
| 01***75 | Bolt (M10-1.50x75) | 12 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Air Vent(#22653-25638)
| 01***20 | Bolt | 1 |
| 01***16 | Washer,Radio Controlled Slag Handling | 1 |
| 07***15 | Gasket,(Hd325?Pc750?800?1800) (A5010) | 13 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Air Vent(#25369-)
| 01***20 | Bolt | 1 |
| 01***16 | Washer,Radio Controlled Slag Handling | 1 |
| 07***15 | Gasket,(Hd325?Pc750?800?1800) (A5010) | 13 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Alternator (50a) (With Hardening Pulley) (Inner Parts)(#22653-28037)
| 60***10 | Alternator A. (50a) | 1 |
| SD***X0 | Coil Assembly | 1 |
| SD***X0 | Washer | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Alternator (50a) (With Hardening Pulley) (Inner Parts)(#28038-)
| 60***70 | Alternator A. (60a),(See Fig.A6010-B4k6) | 1 |
| KD***70 | Bushing,Insulate | 1 |
| KD***40 | Bushing,Insulate | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Alternator (50a) (With Non Hardening Pulley) (Inner Parts)(#22653-28037)
| 60***70 | Alternator A. (50a) | 1 |
| SD***X0 | Coil Assembly | 1 |
| SD***X0 | Washer | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Alternator (50a) (With Non Hardening Pulley) (Inner Parts)(#28038-)
| 60***10 | Alternator A. (60a) | 1 |
| KD***70 | Bushing,Insulate | 1 |
| KD***40 | Bushing,Insulate | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Alternator (75a) (With Hardening Pulley) (Inner Parts)(#24993-)
| 60***10 | Alternator A. (75a) | 1 |
| SD***X0 | Coil Assembly | 1 |
| SD***X0 | Washer | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Alternator (75a) (With Non Hardening Pulley) (Inner Parts)(#22653-)
| 60***10 | Alternator A. (75a) | 1 |
| SD***X0 | Coil Assembly | 1 |
| SD***X0 | Washer | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Alternator Mounting (50a) (With Hardening Pulley)(#22653-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***60 | Bolt,For Weight Adjusting Bolt | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Alternator Mounting (50a) (With Non Hardening Pulley)(#22653-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***60 | Bolt,For Weight Adjusting Bolt | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Alternator Mounting (75a) (With Non Hardening Pulley)(#22653-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***60 | Bolt,For Weight Adjusting Bolt | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Alternator Mounting (75a)(#24993-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***60 | Bolt,For Weight Adjusting Bolt | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Camfollower Cover(#22653-)
| 01***30 | Bolt,(With Body Positioner) | 5 |
| 01***70 | Bolt - Bracket And Oil Inlet Tubemounting | 1 |
| 01***16 | Washer,Radio Controlled Slag Handling | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Camfollower(#26075-)
| 04***12 | Ring, Retaining | 4 |
| 61***30 | Pin,Dowel | 12 |
| 61***20 | Ball | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Camshaft And Camfollower(#22653-24648)
| 04***25 | Key, Plain Woodruff | 1 |
| 04***12 | Ring, Retaining | 4 |
| 61***30 | Pin,Dowel | 12 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Camshaft And Camfollower(#24649-26074)
| 01***20 | Bolt (M12-1.75x20) | 2 |
| 04***25 | Key, Plain Woodruff | 1 |
| 04***12 | Ring, Retaining | 4 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Camshaft(#26075-)
| 01***20 | Bolt (M12-1.75x20) | 2 |
| 04***25 | Key, Plain Woodruff | 1 |
| 62***12 | Camshaft Assembly | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Clamp (Ordering Transferded Parts)(#27396-)
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cooling Fan(#22653-)
| 01***15 | Bolt, Fan Mounting | 6 |
| 60***50 | Fan, Suction | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Corrosion Resistor(#22653-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 02***25 | Bolt,(Europe Spec.) | 4 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Crank Pulley (With Hardening Pulley)(#22653-)
| 04***24 | Pin,Dowel (For No.3 Housing) | 1 |
| 62***20 | Bolt | 6 |
| 62***20 | Pulley? Hardening | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Crank Pulley (With Non Hardening Pulley)(#22653-)
| 04***24 | Pin,Dowel (For No.3 Housing) | 1 |
| 62***20 | Bolt | 6 |
| 62***40 | Pulley?Non Hardening | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Crankshaft
| 61***30 | Key Parallel | 1 |
| 62***00 | Bearing Assembly | 1 |
| 62***10 | Main Bearing Assembly | 7 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block (1/2) (Cold Terrain Spec.)(#22653-26083)
| 01***45 | Washer,(Without R.O.P.S.) | 14 |
| 04***14 | Pin, Dowel | 2 |
| 04***20 | Pin,Dowel (Welded) | 12 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block (1/2) (With Vandalism Protection) (With Heater)(#25797-26083)
| 01***45 | Washer,(Without R.O.P.S.) | 14 |
| 04***14 | Pin, Dowel | 2 |
| 04***20 | Pin,Dowel (Welded) | 12 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block (1/2) (With Vandalism Protection)(#22653-26083)
| 01***45 | Washer,(Without R.O.P.S.) | 14 |
| 04***14 | Pin, Dowel | 2 |
| 04***20 | Pin,Dowel (Welded) | 12 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block (1/2)(#22653-26083)
| 01***45 | Washer,(Without R.O.P.S.) | 14 |
| 04***14 | Pin, Dowel | 2 |
| 04***20 | Pin,Dowel (Welded) | 12 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block (1/2)(#26084-26672)
| 01***45 | Washer,(Without R.O.P.S.) | 14 |
| 04***14 | Pin, Dowel | 2 |
| 04***20 | Pin,Dowel (Welded) | 12 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block (1/2)(#26673-)
| 01***45 | Washer,(Without R.O.P.S.) | 14 |
| 04***14 | Pin, Dowel | 2 |
| 04***20 | Pin,Dowel (Welded) | 12 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block (2/2) (Cold Terrain Spec.)(#22653-26083)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block (2/2) (With Vandalism Protection) (With Heater)(#25797-26083)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block (2/2) (With Vandalism Protection)(#22653-26083)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block (2/2)(#22653-26083)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block (2/2)(#26084-26672)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***25 | Screw | 6 |
| 01***16 | Washer,(With Water Separator) | 6 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block (2/2)(#26673-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***25 | Screw | 6 |
| 01***16 | Washer,(With Water Separator) | 6 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block Gasket Kit(#22653-)
| 01***12 | Washer,(F2320-63a2 -13 ) | 2 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
| 07***25 | O-Ring,Corrosion Resistor | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block Mounting (Cold Terrain Spec.)(#26084-)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block Mounting (With Vandalism Protection) (With Heater)(#26084-)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block Mounting (With Vandalism Protection)(#26084-)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Block Mounting(#26084-)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Head Gasket Kit(#22653-)
| 02***75 | O-Ring,(For Japan) (K1) | 2 |
| 02***81 | O-Ring,Air Connector | 2 |
| 07***21 | O-Ring,Oil Cooler Pipe | 12 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Cylinder Head(#22653-)
| 01***20 | Bolt (M10-1.75x120) | 6 |
| 04***20 | Pin,Dowel (Welded) | 12 |
| 07***25 | O-Ring,Lubrication Valve | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Damper(#22653-)
| 01***30 | Bolt,(Not Used When Towing Winch) | 6 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 6 |
| 62***01 | Damper Ass'Y | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Engine Mounting(#22653-)
| 01***45 | Capscrew - M16 | 8 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 2 |
| 01***50 | Bolt,For Weight Adjusting Bolt | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Exhaust Brake (Inner Parts)(#22653-25416)
| 62***01 | Exhaust Brake Ass'Y | 1 |
| JK***22 | Seal,Ring | 2 |
| JK***05 | Nut | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Exhaust Brake (Inner Parts)(#25417-27395)
| 62***02 | Exhaust Brake Ass'Y | 1 |
| JK***48 | Screw | 2 |
| JK***66 | Bolt | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Exhaust Brake (Inner Parts)(#27396-29919)
| 62***02 | Exhaust Brake Ass'Y | 1 |
| JK***48 | Screw | 2 |
| JK***66 | Bolt | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Exhaust Brake (Inner Parts)(#29920-)
| 62***02 | Exhaust Brake Ass'Y | 1 |
| MY***18 | Brake Valve Ass'Y | 1 |
| MY***07 | Cover | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Exhaust Brake(#22653-27395)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***40 | Capscrew | 6 |
| 01***45 | Capscrew | 4 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Exhaust Brake(#27396-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***40 | Capscrew | 6 |
| 01***45 | Capscrew | 4 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Exhaust Manifold(#22653-)
| 01***55 | Screw | 2 |
| 01***00 | Screw | 22 |
| 01***05 | Bolt | 22 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fan Drive (With Hardening Pulley)(#22653-)
| 01***12 | Bolt - M8 - 1.25 X 12 | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***45 | Bolt, Mounting Cranking Motor | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fan Drive (With Heavy Duty Bearing)(#22653-)
| 01***12 | Bolt - M8 - 1.25 X 12 | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***45 | Bolt, Mounting Cranking Motor | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fan Drive (With Non Hardening Pulley)(#22653-)
| 01***12 | Bolt - M8 - 1.25 X 12 | 6 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fan Pulley (With Hardening Pulley)(#22653-)
| 04***65 | V-Belt Set,Fan | 1 |
| 62***40 | Pulley? Hardening | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fan Pulley (With Non Hardening Pulley)(#22653-)
| 04***65 | V-Belt Set,Fan | 1 |
| 62***90 | Pulley,Non Hardening | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Flywheel Housing (For Electrical Governor)(#22653-)
| 01***45 | Capscrew - M16 | 8 |
| 01***65 | Capscrew | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Flywheel Housing (For Mechanical Governor)(#22653-)
| 01***45 | Capscrew - M16 | 8 |
| 01***65 | Capscrew | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Flywheel(#22653-)
| 56***81 | Bearing,Ball | 1 |
| 61***51 | Gear, Ring | 1 |
| 62***50 | Bolt | 6 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Front Cover Mounting(#26084-)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Front Cover(#22653-26083)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Front Cover(#26084-)
| 07***16 | Plug, Expansion | 7 |
| 62***10 | Cover,Front | 1 |
| 67***21 | Seal? Front,(See Fig.A2040) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Front Power Take Off (With Hardening Pulley)(#22885-)
| 01***30 | Bolt,(With Body Positioner) | 3 |
| 04***18 | Ring, Snap | 1 |
| 06***04 | Bearing,Ball | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Front Power Take Off(#22653-)
| 01***30 | Bolt,(With Body Positioner) | 3 |
| 04***18 | Ring, Snap | 1 |
| 06***04 | Bearing,Ball | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Filter(#22653-)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 1 |
| 01***75 | Bolt (M10-1.50x75) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Filter(#27396-)
| 07***12 | Gasket,Mechanical Pump Piping | 1 |
| 07***08 | Plug,(Without Lock-Up), Plug | 1 |
| 60***32 | Cartridge,Fuel Filter | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Coupling) (High Altitude Spec.) (Inner Parts)(#22653-)
| DK***00 | Coupling | 1 |
| DK***00 | Bolt | 6 |
| DK***00 | Bolt | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Coupling) (Inner Parts)(#22653-)
| DK***00 | Coupling | 1 |
| DK***00 | Bolt | 6 |
| DK***00 | Bolt | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Feed Pump) (High Altitude Spec.) (Inner Parts)(#22653-)
| DK***00 | Valve,Check | 4 |
| DK***20 | Bolt,Joint | 1 |
| DK***30 | Eye,Joint | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Feed Pump) (Inner Parts)(#22653-)
| DK***91 | Feed Pump Ass'Y | 1 |
| DK***00 | Valve,Check | 4 |
| DK***20 | Bolt,Joint | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Governor) (1/2) (High Altitude Spec.) (Inner Parts)(#22653-)
| DK***00 | Gasket | 1 |
| DK***80 | Bolt,Eye | 1 |
| DK***00 | Nut | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#22653-)
| DK***00 | Gasket | 1 |
| DK***80 | Bolt,Eye | 1 |
| DK***00 | Nut | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Governor) (2/2) (High Altitude Spec.) (Inner Parts)(#22653-)
| DK***00 | O-Ring | 2 |
| DK***20 | Gasket | 2 |
| DK***00 | Screw | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#22653-)
| DK***00 | O-Ring | 2 |
| DK***20 | Gasket | 2 |
| DK***00 | Screw | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Pump) (1/2) (High Altitude Spec.) (Inner Parts)(#22653-)
| 62***80 | Injection Pump Ass'Y | 1 |
| DK***30 | Bearing,Roller | 1 |
| DK***00 | Coupling | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#22653-)
| 62***50 | Injection Pump Ass'Y | 1 |
| DK***30 | Bearing,Roller | 1 |
| DK***00 | Coupling | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Pump) (2/2) (High Altitude Spec.) (Inner Parts)(#22653-)
| DK***00 | Nut | 12 |
| DK***00 | Shim? 0.875mm | 0 |
| DK***00 | Shim? 0.500mm | 0 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump (Pump) (2/2) (Inner Parts)(#22653-)
| DK***00 | Nut | 12 |
| DK***00 | Shim? 0.875mm | 0 |
| DK***00 | Shim? 0.500mm | 0 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump Drive(#22653-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 3 |
| 01***19 | Nut | 1 |
| 01***16 | Washer,(For Shipping) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump Drive(#27534-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 3 |
| 01***16 | Washer,(For Shipping) | 3 |
| 61***50 | Pin,Dowel | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump Lubricator (With Nipple)(#22653-)
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 2 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 2 |
| 07***10 | Screw, Banjo Connector (M10-1.25x20) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump Lubricator(#22653-)
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 2 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 2 |
| 07***10 | Screw, Banjo Connector (M10-1.25x20) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump Mounting (High Altitude Spec.)(#22653-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***05 | Capscrew | 1 |
| 01***90 | Bolt,(For No?1 And No?3 Housing) | 4 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump Mounting(#22653-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***05 | Capscrew | 1 |
| 01***90 | Bolt,(For No?1 And No?3 Housing) | 4 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Injection Pump Piping
| 01***25 | Capscrew | 4 |
| 01***30 | Screw | 4 |
| 01***35 | Bolt | 4 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Fuel Return(#22653-)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
| 04***10 | Clip - Fuel Sensor Harness | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Gasket (Ordering Transferded Parts)(#27120-)
| 62***20 | Gasket, Rocker Lever Housing | 6 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Head Cover Mounting(#26084-)
| 01***55 | Screw | 18 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Head Cover(#22537-26083)
| 01***55 | Screw | 18 |
| 62***11 | Cover,Rocker Arm Housing | 6 |
| 62***20 | Gasket, Rocker Lever Housing | 6 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Head Cover(#26084-)
| 62***11 | Cover,Rocker Arm Housing | 6 |
| 62***20 | Gasket, Rocker Lever Housing | 6 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Heater Wiring(#22653-)
| 01***10 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***14 | Bolt - Fuel Sensor Mounting | 1 |
| 01***10 | Washer,(For 35a Alternator) | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Idler Gear(#22537-26525)
| 01***30 | Bolt - M8 X 30lg | 6 |
| 61***60 | Pin, Dowel | 1 |
| 61***43 | Bolt | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Idler Gear(#26526-)
| 01***30 | Bolt - M8 X 30lg | 6 |
| 61***60 | Pin, Dowel | 1 |
| 61***22 | Bolt | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Injection Nozzle(#22653-)
| 01***20 | Capscrew | 6 |
| 07***21 | O-Ring,Oil Cooler Pipe | 12 |
| 07***21 | Seal, O-Ring | 6 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Arabic)(#22653-27348)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***95 | Plate? Name | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Chinese)(#22653-27348)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***40 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Czech)(#22653-27348)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***40 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (English) (For Eu Exhaust Gas Regulation)(#26302-27348)
| 04***50 | Screw | 4 |
| 09***63 | Plate? Instruction,Air Cleaner (Single Element) | 1 |
| 61***10 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (English)(#22653-27348)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***63 | Plate? Instruction,Air Cleaner (Single Element) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (For Regulation Of Epa)(#24993-27348)
| 04***50 | Screw | 4 |
| 09***63 | Plate? Instruction,Air Cleaner (Single Element) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (For Regulation Of Epa)(#27349-)
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (For Regulation Of Eu)(#26597-)
| 04***50 | Screw | 4 |
| 61***10 | Plate? Name,(Limited Supply) | 1 |
| 61***11 | Plate,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (French) (For Eu Exhaust Gas Regulation)(#26302-27348)
| 04***50 | Screw | 4 |
| 09***63 | Plate? Instruction,Air Cleaner Element Mainte | 1 |
| 61***10 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (French)(#22653-27348)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***40 | Plate? Name,(Limited Supply) (French) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (German) (For Eu Exhaust Gas Regulation)(#26302-27348)
| 04***50 | Screw | 4 |
| 09***63 | Plate? Instruction,Air Cleaner Element Mainte | 1 |
| 61***10 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (German)(#22653-27348)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***40 | Plate? Name,(Limited Supply) (German) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Greek) (For Eu Exhaust Gas Regulation)(#26302-27348)
| 04***50 | Screw | 4 |
| 09***63 | Plate? Instruction,Air Cleaner | 1 |
| 61***10 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Greek)(#22653-27348)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***40 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Indonesian)(#22653-27348)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***40 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Italian) (For Eu Wxhaust Gas Regulation)(#26302-27348)
| 04***50 | Screw | 4 |
| 09***63 | Plate? Instruction,(For Italian) | 1 |
| 61***10 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Italian)(#22653-27348)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***40 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Persian)(#22653-27348)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***95 | Plate? Name | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Polish)(#22653-27348)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***40 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Portuguese) (For Eu Exhaust Gas Regulation)(#26302-27348)
| 04***50 | Screw | 4 |
| 09***63 | Plate? Instruction,Air Cleaner Instruction | 1 |
| 61***10 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Portuguese)(#22653-27348)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***40 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Russian)(#22653-27348)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***40 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Spanish) (For Eu Exhaust Gas Regulation)(#26302-27348)
| 04***50 | Screw | 4 |
| 09***63 | Plate? Instruction,(Spanish) (Not Shown) | 1 |
| 61***10 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate (Spanish)(#22653-27348)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***40 | Plate? Name,(Limited Supply) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Name Plate And Caution Plate(#27349-)
| 04***50 | Screw | 4 |
| 09***40 | Plate? Name,(Limited Supply) (English) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Nozzle Holder (Inner Parts)(#22653-)
| 62***31 | Connector | 1 |
| 62***12 | Holder Ass'Y,(See Fig.A4210-B7a4) | 1 |
| 62***00 | Nozzle Holder Ass'Y | 6 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Adapter(#22653-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 3 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Cooler (Coolant Heater Spec.)(#26084-)
| 01***50 | Bolt,(Spark Arrester Spec.) | 1 |
| 01***16 | Washer,(With Water Separator) | 1 |
| 08***11 | Clip - Fuel Sensor Harness | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Cooler(#22653-)
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Filter(#22653-)
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 4 |
| 01***40 | Bolt,(Shim 3-Piece) | 4 |
| 01***45 | Bolt, Bracket Mounting | 4 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Level Gauge (With Oil Level Sensor) (Cold Terrain Spec.)(#22653-24992)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Level Gauge (With Oil Level Sensor) (Cold Terrain Spec.)(#24993-)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Level Gauge (With Oil Level Sensor) (Cold Terrain Spec.)(#25797-)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Level Gauge (With Oil Level Sensor)(#22653-24992)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Level Gauge (With Oil Level Sensor)(#24993-)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Level Gauge (Without Oil Level Sensor) (Cold Terrain Spec.)(#22653-24992)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Level Gauge (Without Oil Level Sensor) (Cold Terrain Spec.)(#24993-)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Level Gauge (Without Oil Level Sensor) (For Emission)(#25797-)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Level Gauge (Without Oil Level Sensor)(#22653-24992)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Level Gauge (Without Oil Level Sensor)(#24993-)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Pan And Suction Tube (With Oil Level Sensor) (Cold Terrain Spec.) (For Emission)(#25797-)
| 01***12 | Bolt - Front Cover Mounting | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 42 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Pan And Suction Tube (With Oil Level Sensor) (Cold Terrain Spec.)(#22653-24992)
| 01***12 | Bolt - Front Cover Mounting | 3 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 42 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Pan And Suction Tube (With Oil Level Sensor) (Cold Terrain Spec.)(#24993-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 42 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Pan And Suction Tube (With Oil Level Sensor)(#22653-24992)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 42 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Pan And Suction Tube (With Oil Level Sensor)(#24993-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 42 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Pan And Suction Tube (Without Oil Level Sensor) (Cold Terrain Spec.)(#22653-24992)
| 01***12 | Bolt - Front Cover Mounting | 3 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 42 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Pan And Suction Tube (Without Oil Level Sensor) (Cold Terrain Spec.)(#24993-)
| 01***12 | Bolt - Front Cover Mounting | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 42 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Pan And Suction Tube (Without Oil Level Sensor)(#22653-24992)
| 01***12 | Bolt - Front Cover Mounting | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 42 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Pan And Suction Tube (Without Oil Level Sensor)(#24993-)
| 01***12 | Bolt - Front Cover Mounting | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 42 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Pressure Sensor (Ordering Transferded Parts)(#27272-)
| 78***80 | Sensor,Oil Pressure | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Pressure Sensor(#24993-27271)
| 01***50 | Bolt,(Spark Arrester Spec.) | 2 |
| 62***40 | Bracket | 1 |
| 78***80 | Sensor,Oil Pressure | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Pressure Sensor(#27272-)
| 01***50 | Bolt,(Spark Arrester Spec.) | 2 |
| 62***40 | Bracket | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Oil Pump(#22653-)
| 01***25 | Bolt,(Rear Attachment Less) | 4 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 1 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Piston(#22653-)
| 02***13 | Pin, Dowel | 2 |
| 04***20 | Ring, Retaining | 12 |
| 62***10 | Bolt | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Rocker Arm And Housing(#22653-24648)
| 01***80 | Bolt (M12-2.00x80) | 6 |
| 01***80 | Bolt (M10-1.50x80) | 16 |
| 01***20 | Bolt (M12-1.75x120) | 12 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Rocker Arm And Housing(#24649-26074)
| 01***80 | Bolt (M12-2.00x80) | 6 |
| 01***80 | Bolt (M10-1.50x80) | 17 |
| 01***20 | Bolt (M12-1.75x120) | 12 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Rocker Arm And Housing(#26075-)
| 01***80 | Bolt (M12-2.00x80) | 6 |
| 01***80 | Bolt (M10-1.50x80) | 17 |
| 01***20 | Bolt (M12-1.75x120) | 12 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Safety Guard(#22653-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***55 | Bolt,(See Service News) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Sensor (Exhaust Temperature? Oil Pressure? Air Pressure) (For Pm-Clinic(#22653-)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Spare Parts (Ordering Transferded Parts)(#27396-)
| 60***31 | Cartridge, Oil Filter | 2 |
| 60***32 | Cartridge,Fuel Filter | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Spare Parts(#22653-27395)
| 04***65 | V-Belt Set,Fan | 1 |
| 60***31 | Cartridge, Oil Filter | 2 |
| 60***32 | Cartridge,Fuel Filter | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Starting Motor (11kw) (Inner Parts)(#22653-28710)
| 60***10 | Starting Motor Ass'Y,(11kw) | 1 |
| SD***X0 | Bearing,Ball | 1 |
| SD***X0 | Brush Holder Ass'Y | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Starting Motor (11kw) (Inner Parts)(#28711-)
| 60***11 | Starting Motor Ass'Y,(11kw) | 1 |
| KD***40 | Spring,Spring | 4 |
| KD***57 | Bearing, Ball, Front | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Starting Motor Mounting (11kw)(#22653-28710)
| 01***40 | Bolt (Kit) | 3 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***16 | Washer,Radio Controlled Slag Handling | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Starting Motor Mounting (11kw)(#28711-)
| 01***40 | Bolt (Kit) | 3 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***16 | Washer,Radio Controlled Slag Handling | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Stop Motor (Ordering Transferded Parts)(#27396-)
| 60***11 | Motor,Marker P/N:06***17-E | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Stop Motor(#22653-27395)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Stop Motor(#27396-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Tamper Proof Kit (For Regulation Of Epa)(#24993-)
| 62***60 | Tamper Proof Kit | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Thermostat And Piping(#22653-25638)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***55 | Capscrew | 1 |
| 01***60 | Bolt,For Weight Adjusting Bolt | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Thermostat And Piping(#25639-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***55 | Capscrew | 1 |
| 01***60 | Bolt,For Weight Adjusting Bolt | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Turbocharger (Inner Parts)(#22653-)
| 01***16 | Bolt | 4 |
| 01***16 | Bolt | 8 |
| 04***08 | Pin, Dowel | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Turbocharger Mounting(#22653-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 61***90 | Nut, Mounting | 4 |
| 61***10 | Screw | 4 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Turbocharger Oil Piping(#22653-)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Turbocharger Water Piping(#22653-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Water Pump Gasket Kit(#22653-)
| 02***37 | O-Ring,(For Pc750?1800) (A5010) | 2 |
| 07***55 | O-Ring,Front Accessory Drive | 2 |
| 07***45 | O-Ring,(F4320-61a0 -16 ), O-Ring; Was 07000-02145 | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Water Pump Mounting(#22653-25638)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Water Pump Mounting(#25639-)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***80 | Bolt,(With Corrosion Resistor) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Water Separator (Ordering Transferded Parts)(#27396-)
| 07***12 | Gasket,Mechanical Pump Piping | 1 |
| 60***90 | O-Ring | 1 |
| 60***31 | Separator Assembly, Water | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Water Separator(#22653-25713)
| 07***12 | Gasket,Mechanical Pump Piping | 1 |
| 60***31 | Separator Assembly, Water | 1 |
| 60***60 | Plug,Drain (4d105-5h? 4d105-5t) | 1 |
Komatsu : Saa6d140e-2a-8(S/N 22537-Up) : Engine : Water Separator(#25714-27395)
| 07***12 | Gasket,Mechanical Pump Piping | 1 |
| 60***31 | Separator Assembly, Water | 1 |
| 60***60 | Plug,Drain (4d105-5h? 4d105-5t) | 1 |
Frequently asked questions
What is the engine designation for the Komatsu D275A-5?
The Komatsu D275A-5 uses the SAA6D140E-2A-8 engine for the S/N 22537-UP serial range. Later-serial D275A-5 dozers moved to the SDA6D140E-3 engine generation, and the current top-of-line machine in this size class, the D275A-5R, uses the newer SAA6D140E-5 engine.
What is the operating weight of the Komatsu D275A-5?
The Komatsu D275A-5 crawler dozer carries an operating weight of about 49,850 kg (109,900 lb), depending on blade and undercarriage configuration.
What replaced the Komatsu D275A-5?
The D275A-5R replaced the D275A-5 as the current top-of-line machine in this size class. The D275A-5R uses the larger SAA6D140E-5 engine rated at about 335 kW (449 HP).
What SAA6D140E-2A-8(S/N 22537-UP) owners discuss
What are the known powertrain and hydraulic behaviors for machines using the SAA6D140E-2A-8 engine series?
The SAA6D140E-2A-8 is a mechanically governed, pre-electronic diesel engine. It lacks an Engine Control Module (ECM) and electronic emissions aftertreatment, relying on mechanical injection pumps and governor linkages for operation. Hydraulic systems on these machines are known to be smooth and fuel-efficient but are sensitive to engine RPM; if the engine drops heavily in RPM under load, the hydraulic system may be placing excessive load on the engine or the engine may be unable to produce expected power. Owners note that if a hydraulic pump fails, the engine is often not far behind due to the interconnected wear patterns in the Komatsu line. The engine is valued for simplicity in remote operations where diagnostic support is limited.
What undercarriage or wear patterns are typical for this machine type?
Komatsu machines in this class are often described as being designed to wear out complete components simultaneously rather than gradually. If a hydraulic pump fails, the engine is frequently worn out as well, contributing to lower resale values. Undercarriage wear is accelerated by mud or debris packed into the tracks and improper track tension. Operators report that machines pulling to one side should be checked for mechanical resistance and track tension before diagnosing travel motors. The line is noted for strong hydraulic systems but suffers from wear when operating under continuous load, dust exposure, and temperature extremes.
What are the specific quirks of the SAA6D140E-2A-8 engine series compared to later generations?
The SAA6D140E-2A-8 is a mechanically governed engine from the 6D140-2 family, distinct from the later SDA6D140E-3 and SAA6D140E-5 generations. It predates modern exhaust-emissions regulation and lacks electronic controls. A key quirk is the reliance on mechanical injection pump timing and governor linkage adjustments; incorrect alignment during pump replacement can prevent the engine from starting entirely. The engine is often used in cold-climate applications (e.g., -50°C spec), making cold-start aids and corrosion resistor cartridges critical for preventing internal coolant passage pitting. As factory parts supply shifts toward newer generations, demand for rebuilt injection pumps and turbochargers for this series has increased.
What are common electrical or sensor issues associated with this engine and its host machine?
While the SAA6D140E-2A-8 engine itself is mechanically governed and lacks an ECM, the host machine's electronic systems are prone to issues. Common complaints include intermittent starting, dashboard failures, and random shutdowns caused by faulty sensors or unstable power supplies. Specific sensor failures often trigger multiple warning signals. For example, coolant temperature sensor malfunctions can cause automatic deceleration or overheating alarms. Battery charge voltage issues and alternator malfunctions are also frequent causes of starting problems. Owners report that a battery may show acceptable voltage until the starter is loaded, requiring load testing to identify weak batteries.
What should be checked when buying a used machine with the SAA6D140E-2A-8 engine?
Verify the exact serial-prefix specification sheet and installed attachment package, as configurations vary. Check the corrosion resistor cartridge in the coolant circuit; neglect leads to internal pitting. Inspect the mechanical injection pump and governor linkage for wear, as these are critical for starting and performance. Test the engine under load to ensure it does not drop heavily in RPM, which indicates hydraulic drag or engine weakness. Check for oil seepage at the turbocharger compressor and turbine seals. Verify the condition of the fan belt and mounting isolators, which degrade from repeated cold starts. Ensure the fuel system is free of air and water, as the mechanical pump is sensitive to contamination. Confirm the presence of the correct cold-start aid circuit if the machine was used in extreme cold.
How does the SAA6D140E-2A-8 differ from the SAA6D140E-5 in terms of application and design?
The SAA6D140E-2A-8 is a mechanically governed, pre-electronic engine from the 6D140-2 family, used in earlier production runs of machines like the D275A-5 dozer. It is designed for simplicity and serviceability in remote or extreme-climate operations. The SAA6D140E-5 is a later generation engine, used in the D275A-5R and other models, rated at approximately 335 kW (449 HP). The SAA6D140E-5 represents a step up in power and likely includes electronic controls and emissions aftertreatment, whereas the SAA6D140E-2A-8 is uncontrolled/mechanical-era design. The SAA6D140E-2A-8 has a displacement of 15.24 L (930 cu in) with a bore and stroke of 140 mm x 165 mm (5.51 in x 6.50 in).
What are the critical maintenance intervals for the SAA6D140E-2A-8 engine?
Every 50 hours: Check engine oil level, coolant level, and drain water from the fuel tank and pre-filter. Inspect fan belt and turbocharger ducting. Every 250 hours: Change engine oil and oil filter, replace fuel filter, clean air cleaner, and grease injection pump linkage. Every 500 hours: Replace corrosion resistor cartridge, check fan belt tension, clean crankcase breather, and inspect turbocharger for oil seepage. Every 1,000 hours: Replace fuel pre-filter and main fuel filter, check valve clearance, inspect turbocharger housings, and sample engine oil. Every 2,000 hours: Drain and replace engine coolant, inspect fuel injection pump and nozzles, check turbocharger shaft end-play, and re-torque cylinder head bolts. Every 4,000 hours: Inspect cylinder liners, pistons, and rings; check crankshaft bearings. Every 8,000 hours: Perform top-end overhaul, replace injection nozzles and pump as a matched set, and rebuild turbocharger core.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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