Komatsu S6D95L-1Q(S/N 27756-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu S6D95L-1Q (S/N 27756-UP) is a 6-cylinder, water-cooled, turbocharged diesel engine belonging to the S6D95L series. It is a mid-size power unit typically rated at 110 HP at 2,000 rpm with a maximum torque of 41.5 kgm at 1,500 rpm. The engine displaces 4,890 cm³ (4.89 L) with a bore and stroke of 95 mm x 115 mm. It was primarily used in the FD60H, FD70H, and FD80H-5 series of heavy machinery, including crawler dozers and excavators. The S6D95L-1Q shares its core architecture with the S6D95L-1, differing mainly in specific application configurations and serial range assignments. Production years for this engine family span the late 1990s through the 2000s, serving as a workhorse for Komatsu's mid-tier earthmoving fleet before being succeeded by Tier 4 compliant engines like the SAA6D107E series.
Across the S6D95L generation, key changes included the transition from distributor-type fuel pumps to in-line type pumps in earlier variants, and later updates to governor types (Bosch RSV centrifugal). The S6D95L-1Q specifically utilizes a Bosch VE distributor-type fuel pump and a mechanical all-speed governor. In the used and parts market, this engine remains critical due to its widespread installation in the PC200-5 and FD-series dozers, which are still active in heavy construction. Its simple, robust mechanical fuel system and lack of complex emissions aftertreatment (compared to modern Tier 4 engines) make it highly sought after for rebuilds and retrofits. The engine's 4.89L displacement and 110 HP output provide a balance of torque and fuel efficiency that keeps it relevant for older machine conversions and spare engine pools.
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 S6D95L-1Q(S/N 27756-UP) specifications
Engine
| Model | S6D95L-1 (per factory spec sheet for this serial range) |
| Configuration | 6-cylinder in-line, water-cooled, turbocharged diesel |
| Bore x Stroke | 95 mm x 115 mm (3.74 in x 4.53 in) |
| Displacement | 4.89 L (4,890 cm³; 298 cu in) |
| Gross Power | 101 kW (135 hp) @ 2,200 rpm (SAE J1995) |
| Net Power | 95 kW (127 hp) @ 2,200 rpm (SAE J1349) |
| Maximum Torque | 454 N·m (335 lb·ft) @ 1,600 rpm |
| Firing Order | 1-5-3-6-2-4 |
| Compression Ratio | 17.5:1 |
| Emissions Tier | Pre-EPA Tier 1 / Pre-EU Stage I |
Weights
| Dry Weight (Engine Only) | 850–950 kg (1,874–2,094 lb) varies by variant and accessories |
Dimensions
| Engine Length | 1,520 mm (59.8 in) |
| Engine Width | 880 mm (34.6 in) |
| Engine Height | 1,050 mm (41.3 in) |
Performance
| High Idle Speed | 2,350 ± 50 rpm |
| Low Idle Speed | 700 ± 25 rpm |
| Minimum Fuel Consumption | ≤ 220 g/kW·h @ rated power |
Service capacities (summary)
| Lubricating Oil Capacity | 22 L (23.2 qt) including oil filter |
| Cooling System Capacity | 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.
Komatsu S6D95L-1Q(S/N 27756-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the S6D95L-1Q(S/N 27756-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
For the S6D95L-1Q engine, integrate KOWA fluid analysis into every 500-hour service interval. Monitor engine oil for wear metals (iron, copper, lead) and coolant for SCA concentration and pH levels. The 11-liter (2.9 gal) oil capacity requires precise filling to avoid aeration. Check hydraulic oil particle count and water content to protect the Bosch VE fuel pump and hydraulic valves. Use KOMTRAX telematics to track load frequency and fault codes, correlating high-load hours with increased wear rates. Early detection of coolant contamination or fuel dilution prevents catastrophic liner and bearing failure.
Corrective & Common Repairs
Common failures in the S6D95L-1Q include Bosch VE fuel pump wear and injector nozzle coking. Replace fuel filters every 500 hours to protect the high-pressure injection system. Inspect the turbocharger shaft play and bearing condition at 1,000-hour intervals. Check valve clearances and adjust if necessary to maintain the 110 HP output. Address coolant leaks at the water pump seal and cylinder head gasket. Inspect the mechanical all-speed governor for linkage wear. Replace worn piston rings if compression drops, indicated by excessive blow-by and oil consumption.
Overhaul & Rebuild Points
Plan a major overhaul for the S6D95L-1Q at 10,000 to 15,000 hours, depending on maintenance history. Key rebuild points include replacing cylinder liners, pistons, and connecting rods. Inspect the crankshaft for journal wear and replace if out of specification. Recondition the cylinder head, resurfacing the head gasket face and replacing valve seats. Replace the timing gear set and camshaft if wear is detected. Ensure the flywheel housing and crankcase are clean and free of cracks before reassembly. Use genuine Komatsu gasket sets and sealants for proper sealing.
Seasonal & Environment Servicing
In cold climates, use low-temperature fuel and appropriate engine oil viscosity to ensure cold starts. Drain water from the fuel separator daily to prevent ice formation. In dusty environments, check the air filter restriction indicator more frequently and clean or replace the outer element as needed. Inspect the radiator and oil cooler fins for debris buildup to prevent overheating. In high-humidity areas, monitor coolant for contamination and check battery terminals for corrosion. Adjust idle speed and fuel rack settings if operating at high altitudes to maintain performance.
S6D95L-1Q(S/N 27756-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 09637-02161 | Plate? Instruction,Air Cleaner (Double Element) | Air intake service | Check fitment → |
| 07000-02135 | O-Ring,Hydraulic Oil Filter | Hydraulic service | Check fitment → |
| 6204-61-5190 | Gasket,Oil Cooler Element | Lubrication service | Check fitment → |
| 600-211-6240 | Cartridge,Engine Oil Filter (D31s) | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
S6D95L-1Q(S/N 27756-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CA115 | Engine crankshaft speed sensor and backup speed sensor failure | Broken sensor, wiring issue, or connector corrosion | Replace the speed sensor and verify the voltage at the pin connector |
| CA111 | Internal engine controller fault | ECM hardware or software failure | Replace or reprogram the ECM |
| CA451 | Common rail pressure sensor feedback value too high | Malfunction in the rail sensor or actual overpressure condition | Diagnose the fuel rail pressure sensor or pump lines |
| CA452 | Common rail pressure sensor feedback value too low | Sensor failure or fuel supply issue | Diagnose the fuel rail pressure sensor or pump lines |
| CA122 | Intake air pressure sensor feedback voltage too high | Sensor malfunction or wiring issue | Verify the intake pressure sensor and wiring |
| CA123 | Intake air pressure sensor feedback voltage too low | Sensor short or airflow restriction | Check for a sensor short or an airflow restriction |
| CA153 | Intake air temperature sensor feedback voltage too high | Sensor failure | Replace or test the IAT sensor |
| CA154 | Intake air temperature sensor feedback voltage too low | Sensor failure | Replace or test the IAT sensor |
| CA234 | Engine overspeed | Throttle calibration error, engine load cycle issue, or operator misuse | Verify throttle calibration, engine load cycle, or operator misuse |
| CA441 | Battery voltage too low | Alternator or battery failure, voltage regulator issue | Replace the alternator or battery; check the voltage regulator |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
S6D95L-1Q(S/N 27756-UP) attachments & work tools
Excavator Buckets
Standard and heavy-duty digging buckets are the primary work tools for this engine class, typically ranging from 0.5 to 0.8 cubic meters (0.65 to 1.05 cubic yards). These attachments mount via a standard hydraulic quick coupler system and require auxiliary hydraulic lines for the bucket cylinder and side-cutting functions.
Grading and Dozing Blades
Motor graders equipped with this engine series utilize straight or moldboard blades with capacities varying by machine width, typically between 2.5 and 4.0 cubic meters (3.3 to 5.2 cubic yards). Factory configurations include hydraulic tilt and angle adjustments, with guarding options such as replaceable cutting edges and side cutters for abrasive terrain.
Loader Buckets and Attachments
Wheel loaders in this power class are fitted with general-purpose and rock buckets with capacities ranging from 2.0 to 3.0 cubic meters (2.6 to 3.9 cubic yards). These tools require a high-flow hydraulic kit for rapid dump cycles and are available with bolt-on cutting edges and side guards for extended service life.
Hydraulic Breakers and Hammers
This engine class supports medium-duty hydraulic breakers with impact energies typically between 1,500 and 2,500 joules. Installation requires a dedicated high-pressure hydraulic circuit and often an accumulator kit to dampen shock loads, with factory guarding options including anti-vibration mounts for the carrier machine.
All S6D95L-1Q(S/N 27756-UP) assemblies by section
Every catalogued assembly group for the Komatsu S6D95L-1Q(S/N 27756-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Accessory
Komatsu : S6d95l-1q(S/N 27756-Up) : Accessory : Air Compressor
| 62***00 | Air Compressor Ass'Y | 1 |
| DK***21 | Cylinder Head Ass'Y | 1 |
| DK***00 | Bearing | 2 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Accessory : Air Compressor And Piping
| 07***16 | Gasket,Air Compressor Piping | 1 |
| 07***89 | Clamp,(For Japan) | 2 |
| 61***10 | Adapter | 1 |
Cooling System
Komatsu : S6d95l-1q(S/N 27756-Up) : Cooling System : Corrosion Resistor And Piping(#22756-)
| 01***85 | Bolt,(For Reversible Fan) | 2 |
| 01***40 | Bolt | 2 |
| 01***65 | Bolt,(With Water Separator) | 2 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cooling System : Water Pump And Cooling Fan(#22756-)
| 01***16 | Screw | 5 |
| 01***20 | Screw | 2 |
| 01***30 | Bolt,(Water Separator Spec.) | 6 |
Cylinder Block
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Block : Camshaft And Tappet
| 01***20 | Screw | 2 |
| 04***16 | Fitting Wedge | 1 |
| 62***10 | Tappet | 12 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Block : Crankshaft
| 01***45 | Bolt,Nylock | 1 |
| 01***16 | Bolt,(With Alternator Cover Type) | 6 |
| 61***11 | Bolt,Nylock (K2) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Block : Cylinder Block
| 01***12 | Bolt | 2 |
| 01***16 | Screw | 4 |
| 01***20 | Bolt,(For Japan Pc200) | 2 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Block : Flywheel And Flywheel Housing
| 01***30 | Bolt | 6 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 11 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Block : Front Cover And Gear
| 01***70 | Bolt,(For 75a Alternator) | 1 |
| 01***16 | Bolt | 2 |
| 01***20 | Bolt,(With Tachometer Outlet) | 6 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Block : Oil Pan
| 01***14 | Bolt | 28 |
| 01***30 | Bolt,(Water Separator Spec.) | 2 |
| 01***10 | Washer,See Fig. K4010-12a0 | 2 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Block : Piston And Connecting Rod
| 04***12 | Ring, Snap | 12 |
| 62***10 | Bolt | 2 |
| 62***20 | Piston (S) | 6 |
Cylinder Head
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Head : Air Cleaner
| 08***35 | Indicator,Dust (Japanese-English) | 1 |
| 08***01 | Indicator,Dust (Japanese-English) | 1 |
| 09***61 | Plate? Instruction,(Japanese-English) (Not Shown) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Head : Air Cleaner (With Extension Type)
| 04***10 | Ring,See Fig. K4010-65a0 | 1 |
| 08***01 | Indicator,Dust (Japanese-English) | 1 |
| 09***61 | Plate? Instruction,(Japanese-English) (Not Shown) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Head : Air Intake Manifold And Connection(#27756-36037)
| 01***30 | Screw | 11 |
| 01***70 | Bolt | 4 |
| 01***85 | Bolt | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Head : Air Intake Manifold And Connection(#36038-)
| 01***14 | Bolt,(W/Joy Stick Str.)(W/O Heater) | 10 |
| 01***30 | Screw | 10 |
| 01***70 | Bolt | 4 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Head : Cylinder Head
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***32 | Washer, (Without Emergency Steering) | 25 |
| 02***04 | Plug, Pipe | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Head : Cylinder Head Cover
| 01***20 | Bolt,(For Japan Pc200) | 1 |
| 04***50 | Screw | 4 |
| 07***80 | Clamp, Drain Hose | 3 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Head : Exhaust Manifold And Turbocharger
| 01***25 | Grub Screw | 4 |
| 01***90 | Bolt,(For Large Fan) | 12 |
| 07***08 | Plug,(For W/O. Corrosion Resistor) | 2 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Head : Muffler And Mounting
| 01***20 | Bolt | 2 |
| 01***35 | Stud | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Head : Muffler And Mounting (With Rain Cap Type)
| 01***20 | Bolt | 2 |
| 01***35 | Stud | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Head : Rocker Arm
| 01***12 | Bolt,(Without R.P.C.U.) | 1 |
| 01***65 | Bolt,(For Alternator Bracket Mount) | 8 |
| 61***30 | Nut | 12 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Cylinder Head : Turbocharger
| 62***30 | Turbocharger Ass'Y,(See Fig.0155) | 1 |
| GA***16 | Bolt | 6 |
| GA***35 | Rotor Ass'Y,Center Housing | 1 |
Electrical System
Komatsu : S6d95l-1q(S/N 27756-Up) : Electrical System : Alternator (25a)
| 60***30 | Alternator A. (25a),(With Non Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***11 | Rear Bracket Ass'Y | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Electrical System : Alternator (25a) (Sandy And Dusty Spec.)
| 60***30 | Alternator A. (25a),(With Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***80 | Collar | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Electrical System : Alternator And Mounting (25a)
| 01***30 | Bolt,(For Trimming Dozer) | 1 |
| 01***25 | Bolt,(With Corrosion Resistor) | 3 |
| 01***55 | Bolt,(With Engine Stop Motor Type) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Electrical System : Alternator And Mounting (25a) (Sandy And Dusty Spec.)
| 01***30 | Bolt,(For Trimming Dozer) | 1 |
| 01***25 | Bolt,(With Corrosion Resistor) | 3 |
| 01***95 | Bolt | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Electrical System : Heater Signal And Engine Stop Plate
| 09***01 | Plate? Instruction,(Japanese-English) | 1 |
| 09***01 | Plate? Instruction,(Arabic-English) | 1 |
| 09***01 | Plate? Instruction,(Indonesian-English) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Electrical System : Starting Motor (5.5kw)
| 60***20 | Starting Motor Ass'Y,(5.5kw) | 1 |
| KD***30 | Bracket,Center | 1 |
| KD***20 | Cneter Bracket A | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Electrical System : Starting Motor And Mounting (5.5kw)
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
| 01***30 | Bolt | 2 |
| 07***05 | O-Ring,(Not Used With Emergency Str.) (K2) | 1 |
Engine Kit
Komatsu : S6d95l-1q(S/N 27756-Up) : Engine Kit : Gasket Kit
| 01***12 | Washer,Lock? Injection Gear | 1 |
| 07***05 | O-Ring,(Not Used With Emergency Str.) (K2) | 1 |
| 07***35 | O-Ring,Hydraulic Oil Filter | 1 |
Fuel System
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Engine Stop Motor And Mounting (With Air Compressor Type)(#92603-)
| 01***25 | Screw | 1 |
| 01***60 | Bolt - Upper Cooler Inlet Tubemounting | 2 |
| 01***65 | Bolt, Mount Tube To Divider Valve | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Engine Stop Motor And Mounting (Without Air Compressor Type)(#92603-)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 01***65 | Bolt,(For 35a? 25a Alternator) | 1 |
| 01***05 | Nut (Welded) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Filter And Piping
| 01***85 | Bolt | 2 |
| 07***12 | Gasket,Mechanical Pump Piping | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 4 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Filter And Piping (With Air Comperssor Type)
| 01***12 | Bolt | 1 |
| 01***16 | Screw | 1 |
| 01***20 | Bolt | 2 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Coupling) (With Air Compressor And Engine Stop Motor Type)(#92603-)
| DK***20 | Plate | 1 |
| DK***00 | Bolt | 2 |
| DK***00 | Bolt | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Coupling) (With Air Compressor Type)
| DK***20 | Plate | 1 |
| DK***00 | Bolt | 2 |
| DK***00 | Bolt | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Feed Pump)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***10 | Feed Pump Ass'Y,(Not Shown) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Feed Pump) (With Air Compressor And Engine Stop Motor Type)(#92603-)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***10 | Feed Pump Ass'Y,(Not Shown) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Feed Pump) (With Air Compressor Type)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***10 | Feed Pump Ass'Y,(Not Shown) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Feed Pump) (With Engine Stop Motor Type)(#92603-)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***10 | Feed Pump Ass'Y,(Not Shown) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Governor) (1/2)
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
| DK***80 | Nut | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Governor) (1/2) (With Engine Stop Motor Type)(#92603-)
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
| DK***80 | Nut | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Governor) (1/2) (With Air Compressor And Stop Motor Type)(#92603-)
| DK***70 | Governor Ass'Y | 1 |
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Governor) (1/2) (With Air Compressor Type)
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
| DK***00 | Nut,Lock | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Governor) (2/2)
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
| DK***20 | Cover | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Governor) (2/2) (With Engine Stop Motor Type)(#92603-)
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
| DK***00 | Bushing | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Governor) (2/2) (With Air Compressor And Stop Motor Type)(#92603-)
| DK***40 | Gasket,Air Compressor | 2 |
| DK***20 | Cover | 1 |
| DK***00 | Nut,Cap | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Governor) (2/2) (With Air Copmressor Type)
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
| DK***40 | Bolt | 2 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Pump) (1/2)
| 62***30 | Injection Pump Ass'Y | 1 |
| DK***30 | Key,Woodruff | 1 |
| DK***30 | Bearing | 0 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Pump) (1/2) (With Air Compressor And Stop Motor Type)(#92603-)
| 62***61 | Injection Pump Ass'Y | 1 |
| DK***30 | Key,Woodruff | 1 |
| DK***30 | Bearing | 0 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Pump) (1/2) (With Air Compressor Type)
| 62***60 | Injection Pump Ass'Y | 1 |
| DK***30 | Key,Woodruff | 1 |
| DK***30 | Bearing | 0 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Pump) (1/2) (With Engine Stop Motor Type)(#92603-)
| 62***31 | Injection Pump Ass'Y | 1 |
| DK***30 | Key,Woodruff | 1 |
| DK***30 | Bearing | 0 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Pump) (2/2)
| DK***40 | Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-0040 | 0 |
| DK***90 | Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-0590 | 0 |
| DK***00 | Sleeve,Control | 6 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Pump) (2/2) (With Air Compressor And Stop Motor Type)(#92603-)
| DK***40 | Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-0040 | 0 |
| DK***90 | Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-0590 | 0 |
| DK***00 | Sleeve,Control | 6 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Pump) (2/2) (With Air Compressor Type)
| DK***40 | Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-0040 | 0 |
| DK***90 | Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-0590 | 0 |
| DK***00 | Sleeve,Control | 6 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump (Pump) (2/2) (With Engine Stop Motor Type)(#92603-)
| DK***40 | Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-0040 | 0 |
| DK***90 | Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-0590 | 0 |
| DK***00 | Sleeve,Control | 6 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump And Piping
| 01***35 | Stud | 4 |
| 01***25 | Screw | 4 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump And Piping (With Air Compressor And Stop Motor Type)
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 3 |
| 01***25 | Screw | 4 |
| 01***65 | Bolt,(For 35a? 25a Alternator) | 4 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Injection Pump And Piping (With Air Compressor Type)
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 4 |
| 01***25 | Screw | 4 |
| 01***65 | Bolt,(For 35a? 25a Alternator) | 4 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Fuel Nozzle And Spill Pipe
| 01***35 | Bolt, Mount Bracket To Floor | 6 |
| 07***10 | Tube,(See Fig.0421-14) | 5 |
| 07***80 | Tube,Spill | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Fuel System : Water Separator
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
| 60***00 | Water Separator A.,(4d105-5h? 4d105-5t) | 1 |
| 60***60 | Plug,Drain (4d105-5h? 4d105-5t) | 1 |
Lubricating Oil System
Komatsu : S6d95l-1q(S/N 27756-Up) : Lubricating Oil System : Lubricating Oil Cooler(#27756-44805)
| 01***25 | Bolt,(With Corrosion Resistor) | 18 |
| 01***06 | Nut | 4 |
| 07***12 | T/Plug, Plug,(For Power Tilt Mech Angle) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Lubricating Oil System : Lubricating Oil Cooler(#44806-)
| 01***25 | Bolt,(With Corrosion Resistor) | 18 |
| 01***06 | Nut | 4 |
| 07***12 | T/Plug, Plug,(For Power Tilt Mech Angle) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Lubricating Oil System : Lubricating Oil Filter
| 60***40 | Cartridge,Engine Oil Filter (D31s) | 1 |
| 60***41 | Cartridge,Engine Oil Filter (D31s) | 1 |
| 60***60 | Plate? Caution,(Arabic-English) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Lubricating Oil System : Lubricating Oil Pump And Suction Pipe
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Screw | 6 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
Komatsu : S6d95l-1q(S/N 27756-Up) : Lubricating Oil System : Turbocharger Lubricating Oil Piping
| 01***16 | Screw | 1 |
| 01***20 | Screw | 4 |
| 01***06 | Nut | 1 |
Frequently asked questions
What is the engine model for the Komatsu S6D95L-1Q (S/N 27756-UP)?
The engine model is S6D95L-1, a 6-cylinder, water-cooled, turbocharged diesel engine with a 4,890 cm³ (4.89 L) displacement. It is rated at 110 HP at 2,000 rpm and produces a maximum torque of 41.5 kgm at 1,500 rpm.
What is the operating weight of the machine powered by this engine?
Operating weight varies by configuration and attached machinery (e.g., FD60H, FD70H, FD80H dozers or excavators). The engine itself has a dry weight of 425 kg (937 lb).
What engine replaced the S6D95L-1Q in later Komatsu models?
The S6D95L-1Q was succeeded by the SAA6D107E series engines in later Komatsu models to meet Tier 4 Final and EU Stage V emissions standards. The SAA6D107E is a larger, electronically controlled engine with advanced aftertreatment systems.
What S6D95L-1Q(S/N 27756-UP) owners discuss
What are the power and torque specifications for the S6D95L-1 engine?
What are the fluid capacities for the S6D95L-1 engine?
What are the common engine quirks or maintenance issues for the S6D95L series?
What are typical undercarriage or wear patterns for machines powered by this engine?
What are common electrical or sensor issues associated with this engine platform?
What should be checked when buying a used machine with an S6D95L-1 engine?
What is the dry weight of the S6D95L-1 engine?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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