Komatsuengine(no series)
Komatsu SA6D95L-1C(S/N 35398-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu SA6D95L-1C is a 6-cylinder, turbocharged, water-cooled diesel engine belonging to the 95 Series, specifically designed for heavy construction machinery such as the PC200 and PC220 excavator lines. It delivers approximately 81 kW (109 HP) of power and is commonly found in machines with operating weights ranging from 20,000 to 22,000 kg (44,000 to 48,000 lb). Production for this specific engine variant covers the mid-1990s to early 2000s, serving as the powerplant for the PC200-5/6 and PC220-5/6 generations. It succeeded earlier 4-cylinder 95 Series variants and was eventually replaced by the SAA6D95LE-1 series to meet stricter emissions standards. Configurations offered include standard industrial and construction applications, with variants like the SA6D95L-1C-C and SA6D95L-1C-L addressing specific regional or mounting requirements.
Across the 95 Series generations, the primary evolution involved the transition from mechanical injection to more refined fuel systems and the integration of aftercoolers for improved thermal efficiency and emissions control. The SA6D95L-1C remains significant in the used and parts market because it powers a massive volume of legacy excavators still active in earthmoving and mining. Its widespread use ensures high availability of aftermarket components, making it a critical reference for fleet managers managing older fleets. The engine's robust design and simple mechanical architecture allow for extensive rebuild capabilities, sustaining its value long after the original machines were retired from primary service.
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 SA6D95L-1C(S/N 35398-UP) specifications
Engine
| Model | SA6D95L-1C (S/N 35398-UP) |
| Configuration | 6-cylinder, turbocharged, water-cooled diesel |
| Displacement | 5.0 L |
| Bore × Stroke | 102 mm × 110 mm |
| Emissions Tier | Tier 1 / Stage II |
| Max Power | 81 kW @ 2,000 RPM (109 HP) |
| Torque | 400–450 N·m (295–332 lbf·ft) |
Weights
| Engine Weight | 600–800 kg (1,323–1,764 lb) |
Performance
| Oil Pressure | 80+ psi (550+ kPa) |
Service capacities (summary)
| Engine Oil Capacity | 16.5 L (4.4 gal) |
| Cooling System Fluid | Super-coolant AF-NAC |
| Recommended Engine Oil | Komatsu Diesel Engine Oil (e.g., TO10, TO30) |
| Recommended Hydraulic Oil | Komatsu Hydraulic Oil (HO56) |
| Recommended Powertrain Oil | Komatsu Powertrain Oil (TO10, TO30) |
| Recommended Axle Oil | Komatsu Axle Oil (AXO80) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Komatsu SA6D95L-1C(S/N 35398-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 SA6D95L-1C(S/N 35398-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize KOWA fluid analysis at every 500-hour interval to monitor wear metals (iron, copper, lead) and contaminants (silicon, sodium) in the engine oil. Check coolant pH, SCA concentration, and glycol content to prevent corrosion and overheating. Monitor hydraulic fluid particle count and viscosity to detect pump wear early. Track fuel dilution and soot levels in the oil to assess combustion efficiency. Use KOMTRAX telematics to correlate load frequency with fluid degradation rates. Adjust service intervals based on analysis results rather than fixed hours if conditions permit.
Corrective & Common Repairs
Address common SA6D95L-1C issues by inspecting the turbocharger for shaft play and seal leaks at 1,000-hour intervals. Check the fuel injection pump for leaks and irregular pressure drops. Inspect the oil cooler for internal cross-contamination between oil and coolant. Replace worn injector nozzles if smoke color or fuel consumption changes. Verify the condition of the timing gears and camshaft bearings during major services. Repair or replace cracked exhaust manifolds, a known stress point in high-cycle applications. Ensure the water pump impeller is intact to maintain proper flow.
Overhaul & Rebuild Points
Plan for a major overhaul when compression drops below specification or oil consumption exceeds limits. Measure cylinder bore wear and replace pistons and rings if taper or out-of-roundness is excessive. Inspect the crankshaft for journal wear and replace if necessary. Check the cylinder head for warping and replace valves if seats are burned. Rebuild the turbocharger if housing is damaged or blades are eroded. Replace all gaskets and seals during disassembly. Use genuine Komatsu gasket kits to ensure proper sealing of the oil and coolant passages.
Seasonal & Environment Servicing
In cold climates, use lower viscosity engine oil (e.g., SAE 5W-30) and ensure the cooling system has adequate freeze protection. Check the battery charge regularly as cold temperatures reduce capacity. In dusty environments, inspect the air filter more frequently and clean the pre-cleaner daily. Use Komatsu Super Coolant AF-NAC to prevent scaling and corrosion in high-temperature operations. Flush the radiator and oil cooler fins to remove debris that restricts airflow. Monitor the DEF level closely in Tier 4 variants to avoid system lockouts.
SA6D95L-1C(S/N 35398-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 600-311-9100 | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| 600-311-1320 | Plate? Caution,Fuel Filter | Fuel system service | Check fitment → |
| 600-311-8221 | Cartridge,Engine Fuel Filter | Fuel system service | Check fitment → |
| 6136-71-6120 | Cartridge,Engine Fuel Filter | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
SA6D95L-1C(S/N 35398-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 |
| CA111 | Internal engine controller fault | ECM internal abnormality | Replace or reprogram the ECM |
| CA451 | Common rail pressure sensor feedback value too high | Malfunction in the rail sensor or actual overpressure condition | Diagnose the fuel rail pressure sensor or pump lines |
| CA234 | Engine overspeed | Throttle calibration error, engine load cycle issue, or operator misuse | Verify throttle calibration and engine load cycle |
| CA441 | Battery voltage too low | Alternator failure, battery issue, or voltage regulator fault | Replace the alternator or battery; check the voltage regulator |
| CA442 | Battery voltage too high | Alternator overcharging or voltage regulator fault | Replace the alternator or battery; check the voltage regulator |
| AA10NX | Air cleaner clogging | Dirty or blocked air filter element | Replace the air filter |
| 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) | IAT sensor malfunction | 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.
SA6D95L-1C(S/N 35398-UP) attachments & work tools
Excavator Buckets
The SA6D95L-1C engine powers the PC200-5, PC210LC-6L, PC220LC-5, and PC250LC-6L excavator families. Typical bucket capacities for this class range from 0.8 to 1.6 cubic meters (0.9 to 2.1 cubic yards), varying by configuration/series based on the specific machine model (PC200 vs PC250) and ground conditions.
Hydraulic Coupler Systems
Quick couplers for this engine class are mounted to the boom and stick assemblies of the PC200/220/250 series. Factory configurations utilize standard hydraulic lines routed through the stick; aftermarket couplers require compatible hydraulic kit arrangements to operate the locking mechanism.
Hydraulic Breakers
Compatible breakers for the PC200-5 and PC220LC-5 platforms typically range from 1.5 to 2.5 tons (1,360 to 2,268 kg) in weight. These tools require a dedicated high-pressure hydraulic kit with a relief valve set to the breaker manufacturer's specification to prevent damage to the machine's main control valve.
Grapples and Shears
Material handling grapples and demolition shears for the PC210LC-6L and PC250LC-6L models are available in sizes matching the 20-ton class operating weight. Mounting requires a reinforced bracket kit and dual hydraulic circuits for grapple rotation or shear cutting action.
Factory Guarding Options
Factory configurations for this engine series include heavy-duty undercarriage guards, rock shields for the boom and stick, and extended radiator screens. These options are designed to protect the cooling system and hydraulic lines from debris in mining or heavy demolition environments.
All SA6D95L-1C(S/N 35398-UP) assemblies by section
Every catalogued assembly group for the Komatsu SA6D95L-1C(S/N 35398-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Cooling System
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cooling System : Cooling Fan
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 6 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 6 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cooling System : Cooling Fan (Sandy And Dusty Spec.)(#57205-)
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 6 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 6 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cooling System : Corrosion Resistor And Piping(#55690-)
| 01***35 | Bolt | 2 |
| 01***08 | Nut,See Fig. K4010-04a0 | 2 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 7 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cooling System : Water Pump And Mounting
| 01***16 | Screw | 5 |
| 01***20 | Screw | 8 |
| 01***55 | Bolt,(With Engine Stop Motor Type) | 3 |
Cylinder Block
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Block : Camshaft And Tappet
| 01***20 | Screw | 2 |
| 04***16 | Fitting Wedge | 1 |
| 62***10 | Tappet | 12 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Block : Crankshaft
| 01***45 | Bolt,Nylock | 1 |
| 01***35 | Bolt, Mount Bracket To Floor | 6 |
| 61***20 | Collar,Taper | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Block : Cylinder Block
| 01***16 | Screw | 1 |
| 01***06 | Nut | 1 |
| 01***10 | Washer,See Fig. K4010-12a0 | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Block : Flywheel And Flywheel Housing (Cold Terrain Spec.)(#67553-)
| 01***30 | Bolt | 6 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 11 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Block : Flywheel And Flywheel Housing(#35398-84856)
| 01***30 | Bolt | 6 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 11 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Block : Flywheel And Flywheel Housing(#84857-)
| 01***30 | Bolt | 6 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 11 |
| 01***14 | Bolt,(With Corrosion Resistor) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Block : Front Cover And Gear
| 01***70 | Bolt,(For 75a Alternator) | 1 |
| 01***16 | Bolt | 2 |
| 01***16 | Screw | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Block : Oil Pan
| 01***10 | Bolt, Mount Flasher | 3 |
| 01***12 | Bolt,(Without R.P.C.U.) | 3 |
| 01***16 | Bolt, Mount Solenoid Valve | 28 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Block : Oil Pan (Cold Terrain Spec.)(#67553-)
| 01***12 | Bolt,(Without R.P.C.U.) | 3 |
| 01***16 | Bolt, Mount Solenoid Valve | 28 |
| 01***30 | Bolt,(Water Separator Spec.) | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Block : Piston And Connecting Rod
| 04***12 | Ring, Snap | 12 |
| 62***10 | Bolt | 2 |
| 62***20 | Pin,Piston | 6 |
Cylinder Head
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Head : After Cooler And Piping
| 01***25 | Bolt,(With Corrosion Resistor) | 2 |
| 01***70 | Bolt | 2 |
| 01***11 | Nut,(With Under Mirror) | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Head : Air Cleaner And Connection (Cold Terrain Spec.)(#67553-)
| 01***95 | Bolt,(For Shipping) | 2 |
| 01***20 | Screw | 2 |
| 01***07 | Nut,Lock | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Head : Air Cleaner And Connection (Double Element Type)(#35398-81675)
| 01***20 | Screw | 2 |
| 01***05 | Screw | 2 |
| 01***05 | Bolt | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Head : Air Cleaner And Connection (Double Element Type)(#81676-)
| 01***20 | Screw | 2 |
| 01***05 | Screw | 2 |
| 01***06 | Nut | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Head : Air Cleaner And Connection (Single Element Type)(#35398-81675)
| 01***20 | Screw | 2 |
| 01***05 | Screw | 2 |
| 01***05 | Bolt | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Head : Air Cleaner And Connection (Single Element Type)(#81676-)
| 01***20 | Screw | 2 |
| 01***05 | Screw | 2 |
| 01***06 | Nut | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Head : Air Intake Manifold And Connection
| 01***12 | Bolt | 2 |
| 01***25 | Bolt,(With Corrosion Resistor) | 11 |
| 01***75 | Bolt,(For Shipping) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Head : Air Intake Manifold And Connection (For Boost Compensate Type Fuel Injection Pump)
| 01***12 | Bolt | 2 |
| 01***25 | Bolt,(With Corrosion Resistor) | 11 |
| 01***75 | Bolt,(For Shipping) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Head : Cylinder Head
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 25 |
| 01***32 | Washer, (Without Emergency Steering) | 25 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Head : Cylinder Head Cover
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
| 04***50 | Screw | 4 |
| 07***80 | Clamp, Drain Hose | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Head : Exhaust Manifold And Turbocharger
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 1 |
| 01***25 | Grub Screw | 4 |
| 01***80 | Bolt (M10-1.50x80) | 11 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Head : Muffler And Mounting
| 01***60 | Bolt (M10-1.50x60) | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 01***35 | Bolt,R.H. (For Add. Air Compressor) | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Head : Rocker Arm
| 01***65 | Bolt,(For Alternator Bracket Mount) | 8 |
| 61***30 | Circlip | 2 |
| 62***20 | Spring | 5 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Cylinder Head : Turbocharger
| 62***20 | Turbocharger Ass'Y | 1 |
| GA***00 | Clamp | 3 |
| GA***01 | Bolt | 6 |
Electrical System
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Alternator (25a)
| 60***20 | Alternator A. (25a),(With Non Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***11 | Rear Bracket Ass'Y | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Alternator (25a) (Brush-Less Type)(#57205-)
| 60***50 | Alternator A. (25a) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***80 | Collar | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Alternator (35a) (Brush-Less Type)(#55732-)
| 60***80 | Alternator A. (35a),(With Hardening Pulley) | 1 |
| 60***20 | Alternator A. (35a),(With Non Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Alternator And Mounting (25a)
| 01***40 | Bolt,(Cold Weather Spec.) | 1 |
| 01***25 | Bolt,(With Corrosion Resistor) | 3 |
| 01***65 | Bolt,(For 35a? 25a Alternator) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Alternator And Mounting (25a) (With Cover)(#55732-)
| 01***40 | Bolt,(Cold Weather Spec.) | 1 |
| 01***20 | Screw | 9 |
| 01***25 | Bolt,(With Corrosion Resistor) | 5 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Alternator And Mounting (25a? 35a) (Brush-Less Type)(#55732-)
| 01***35 | Bolt,(Cold Weather Spec.) | 1 |
| 01***20 | Screw | 9 |
| 01***25 | Bolt,(With Corrosion Resistor) | 5 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Alternator And Mounting (25a? 35a) (Brush-Less Type)(#57205-)
| 01***35 | Bolt,(Cold Weather Spec.) | 1 |
| 01***25 | Bolt,(With Corrosion Resistor) | 3 |
| 01***70 | Bolt,(For 50a Alternator) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Electrical Wiring (Brush-Less Alternator Type)(#55732-84856)
| 01***12 | Bolt,(See Fig.0501) | 2 |
| 01***14 | Bolt,(With Corrosion Resistor) | 7 |
| 01***16 | Bolt,(With Alternator Cover Type) | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Electrical Wiring (Brush-Less Alternator Type)(#84857-)
| 01***12 | Bolt,(See Fig.0501) | 2 |
| 01***14 | Bolt,(With Corrosion Resistor) | 6 |
| 01***16 | Bolt,(With Alternator Cover Type) | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Electrical Wiring (Cold Terrain Spec.)(#67553-84856)
| 01***12 | Bolt,(See Fig.0501) | 2 |
| 01***14 | Bolt,(With Corrosion Resistor) | 7 |
| 01***16 | Bolt,(With Alternator Cover Type) | 3 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Electrical Wiring (Cold Terrain Spec.)(#84857-)
| 01***12 | Bolt,(See Fig.0501) | 2 |
| 01***14 | Bolt,(With Corrosion Resistor) | 6 |
| 01***16 | Bolt,(With Alternator Cover Type) | 3 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Electrical Wiring(#35398-61427)
| 01***12 | Bolt,(See Fig.0501) | 2 |
| 01***14 | Bolt,(With Corrosion Resistor) | 7 |
| 01***16 | Bolt,(With Alternator Cover Type) | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Electrical Wiring(#61428-84856)
| 01***12 | Bolt,(See Fig.0501) | 2 |
| 01***14 | Bolt,(With Corrosion Resistor) | 7 |
| 01***16 | Bolt,(With Alternator Cover Type) | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Electrical Wiring(#84857-)
| 01***12 | Bolt,(See Fig.0501) | 2 |
| 01***14 | Bolt,(With Corrosion Resistor) | 6 |
| 01***16 | Bolt,(With Alternator Cover Type) | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Electrical System : Starting Motor (5.5kw)
| 60***20 | Starting Motor Ass'Y,(5.5kw) | 1 |
| KD***30 | Bracket,Center | 1 |
| KD***40 | Washer Ass'Y,(Not Shown) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-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 : Sa6d95l-1c(S/N 35398-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 : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Additional Fuel Filter(#55690-)
| 07***12 | Gasket,Mechanical Pump Piping | 2 |
| 60***00 | Fuel Filter Ass'Y | 1 |
| 60***20 | Cartridge,Pref | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Filter And Piping
| 01***20 | Bolt,(For Japan Pc200) | 1 |
| 01***30 | Screw | 2 |
| 01***70 | Bolt | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Feed Pump) (Cold Terrain Spec.)(#67553-)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***10 | Feed Pump Ass'Y,(Not Shown) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Feed Pump) (For Emegrency Stop System)(#48447-)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***20 | Pump,Priming | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Feed Pump)(#35398-67554)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***20 | Pump,Priming | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Feed Pump)(#67555-)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***10 | Feed Pump Ass'Y,(Not Shown) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Governor) (1/2) (Cold Terrain Spec.)(#67553-)
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
| DK***20 | Limiter | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Governor) (1/2) (For Emergency Stop System)(#48447-)
| DK***00 | Adapter | 1 |
| DK***60 | Governor Ass'Y | 1 |
| DK***00 | Nut,Lock | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Governor) (1/2)(#35398-67554)
| DK***00 | Adapter | 1 |
| DK***00 | Nut,Lock | 1 |
| DK***00 | Housing | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Governor) (1/2)(#67555-)
| 62***62 | Injection Pump Ass'Y | 1 |
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Governor) (2/2) (Cold Terrain Spec.)(#67553-)
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
| DK***20 | Cover | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Governor) (2/2) (For Emergency Stop System)(#48447-)
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
| DK***00 | Bushing | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Governor) (2/2)(#35398-67554)
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
| DK***20 | Cover | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Governor) (2/2)(#67555-)
| 62***62 | Injection Pump Ass'Y | 1 |
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Pump) (1/2) (Cold Terrain Spec.)(#67553-)
| 62***10 | Injection Pump Ass'Y | 0 |
| 62***11 | Injection Pump Ass'Y | 1 |
| DK***30 | Key,Woodruff | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Pump) (1/2) (For Emergency Stop System)(#48447-)
| 62***30 | Injection Pump Ass'Y | 1 |
| DK***30 | Key,Woodruff | 1 |
| DK***30 | Bearing | 0 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Pump) (1/2)(#35398-67554)
| 62***61 | Injection Pump Ass'Y | 1 |
| DK***30 | Key,Woodruff | 1 |
| DK***30 | Bearing | 0 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Pump) (1/2)(#67555-)
| 62***11 | Injection Pump Ass'Y | 1 |
| 62***62 | Injection Pump Ass'Y | 1 |
| DK***30 | Key,Woodruff | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Pump) (2/2) (Cold Terrain Spec.)(#67553-)
| 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 : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Pump) (2/2) (For Emergency Stop System)(#48447-)
| 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 : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Pump) (2/2)(#35398-67554)
| 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 : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump (Pump) (2/2)(#67555-)
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump And Piping
| 01***35 | Stud | 4 |
| 01***25 | Screw | 4 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump And Piping (Boost Compensate Type)
| 01***35 | Stud | 4 |
| 01***25 | Screw | 4 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Injection Pump And Piping (Cold Terrain Spec.)(#67553-)
| 01***35 | Stud | 4 |
| 01***25 | Screw | 4 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Nozzle And Spill Pipe
| 01***35 | Bolt, Mount Bracket To Floor | 6 |
| 07***80 | Clip | 3 |
| 07***00 | Clip | 13 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Fuel Nozzle And Spill Pipe (For Boost Compensate Type Fuel Injection Pump)
| 01***35 | Bolt, Mount Bracket To Floor | 6 |
| 07***80 | Clip | 3 |
| 07***00 | Clip | 13 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Fuel System : Water Separator(#55690-)
| 07***12 | Gasket,Mechanical Pump Piping | 1 |
| 60***31 | Separator Assembly, Water | 1 |
| 60***60 | Plug,Drain (4d105-5h? 4d105-5t) | 1 |
Lubricating Oil System
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Lubricating Oil System : Lubricating Oil Cooler (Large Capacity Type)(#55732-70410)
| 01***40 | Screw | 18 |
| 01***06 | Nut | 4 |
| 07***12 | T/Plug, Plug,(For Power Tilt Mech Angle) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Lubricating Oil System : Lubricating Oil Cooler(#35398-50656)
| 01***25 | Bolt,(With Corrosion Resistor) | 18 |
| 01***06 | Nut | 4 |
| 07***12 | T/Plug, Plug,(For Power Tilt Mech Angle) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Lubricating Oil System : Lubricating Oil Cooler(#50657-66470)
| 01***25 | Bolt,(With Corrosion Resistor) | 18 |
| 01***06 | Nut | 4 |
| 07***12 | T/Plug, Plug,(For Power Tilt Mech Angle) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Lubricating Oil System : Lubricating Oil Cooler(#66471-70410)
| 01***40 | Screw | 18 |
| 01***06 | Nut | 4 |
| 07***12 | T/Plug, Plug,(For Power Tilt Mech Angle) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Lubricating Oil System : Lubricating Oil Cooler(#70411-)
| 01***40 | Screw | 18 |
| 01***06 | Nut | 4 |
| 07***12 | T/Plug, Plug,(For Power Tilt Mech Angle) | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Lubricating Oil System : Lubricating Oil Filter (Cold Terrain Spec.)(#67553-)
| 01***65 | Bolt,(For 35a? 25a Alternator) | 2 |
| 07***70 | O-Ring,Front Cover | 2 |
| 07***17 | Plug | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Lubricating Oil System : Lubricating Oil Filter(#35398-48446)
| 01***25 | Bolt,(With Corrosion Resistor) | 2 |
| 01***90 | Bolt | 2 |
| 60***41 | Cartridge,Engine? Oil Filter | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Lubricating Oil System : Lubricating Oil Filter(#48447-84856)
| 01***25 | Bolt,(With Corrosion Resistor) | 2 |
| 01***90 | Bolt | 2 |
| 07***70 | O-Ring,Front Cover | 1 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Lubricating Oil System : Lubricating Oil Filter(#84857-)
| 01***30 | Bolt,(Water Separator Spec.) | 4 |
| 01***20 | Bolt,(For Japan Pc200) | 2 |
| 01***25 | Bolt,(With Corrosion Resistor) | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Lubricating Oil System : Lubricating Oil Pump And Suction Pipe
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Screw | 4 |
| 01***30 | Bolt,(Water Separator Spec.) | 2 |
Komatsu : Sa6d95l-1c(S/N 35398-Up) : Lubricating Oil System : Turbocharger Lubricating Oil Piping
| 01***35 | Bolt, Mount Bracket To Floor | 1 |
| 01***40 | Bolt,(Shim 3-Piece) | 1 |
| 01***16 | Screw | 5 |
SA6D95L-1C(S/N 35398-UP) serial number reference
The PIN plate is located on the right-hand side of the cab on the lower frame, typically just behind the front idler or beneath the operator's window. Read the prefix as the first 11 characters of the 17-character ISO PIN (e.g., KMTPC215P...), but for the SA6D95L-1C engine family, the engine model code itself (SA6D95L-1C) serves as the primary identifier for parts cataloging, with the serial number (35398-UP) defining the applicability range.
| Prefix | Identifies | Notes |
|---|---|---|
| SA6D95L-1C | Standard SA6D95L-1C engine configuration | S/N 35398-UP. Listed in published references parts catalog as the primary variant for this engine family. Factory spec sheet confirms this serial range covers the SA6D95L-1C engine installation. |
| SA6D95L-1C-L | SA6D95L-1C with L suffix (likely Long stroke or specific application variant) | S/N 35398-UP. Listed in published references parts catalog as a distinct variant within the same serial range. Factory spec sheet confirms this variant shares the 35398-UP serial break. |
| SA6D95L-1C-C | SA6D95L-1C with C suffix (likely specific configuration or region variant) | S/N 35398-UP. Listed in published references parts catalog as a distinct variant within the same serial range. Factory spec sheet confirms this variant shares the 35398-UP serial break. |
Frequently asked questions
What is the engine type for the Komatsu SA6D95L-1C?
It is a 6-cylinder, turbocharged, water-cooled diesel engine from the Komatsu 95 Series, producing approximately 81 kW (109 HP).
What is the operating weight of the machines using this engine?
Machines equipped with the SA6D95L-1C, such as the PC200 and PC220 excavators, typically have operating weights ranging from 20,000 to 22,000 kg (44,000 to 48,000 lb), varies by configuration/series.
What engine replaced the SA6D95L-1C?
The SA6D95L-1C was replaced by the SAA6D95LE-1 series to meet stricter emissions standards and improve fuel efficiency.
What SA6D95L-1C(S/N 35398-UP) owners discuss
What are the known powertrain and hydraulic behaviors for the Komatsu SA6D95L-1C engine series?
The SA6D95L-1C is a 6-cylinder, water-cooled, turbocharged diesel engine. It is commonly paired with Komatsu hydraulic excavators such as the PC220-5 and PC220-6. The engine utilizes an air-to-air aftercooler. The hydraulic system relies on a main pump that supplies pressure to boom, arm, bucket, swing, and travel circuits. A common diagnostic pattern is that if all hydraulic functions become slow simultaneously, the issue typically lies in the shared hydraulic supply, pump control, or engine performance rather than individual cylinders. If only one function is slow, the focus shifts to that specific circuit, such as the control valve, cylinder, or hoses. The system is sensitive to oil temperature; hydraulics may work adequately when cold but become weak as the oil warms and viscosity decreases, indicating potential internal leakage in the pump, main control valve, or motors.
What undercarriage or wear patterns are typical for machines equipped with this engine?
Machines using this engine series, such as the PC200 and PC220 excavators, are subject to significant wear on components like bushings, bearings, and track pads due to continuous load and environmental exposure. Worn bushings can lead to increased noise and vibration, while worn bearings may cause premature failure of the tracks. The undercarriage requires regular inspection of track tension, roller condition, and track-chain integrity. A machine that pulls to one side or travels faster on one side should first be checked for mechanical resistance, such as mud packed into the undercarriage or uneven track tension, before diagnosing hydraulic or final-drive issues. Testing the symptom in both forward and reverse directions helps isolate whether the issue is mechanical or hydraulic.
What are the common engine quirks and maintenance requirements for the SA6D95L-1C?
The SA6D95L-1C engine has an oil capacity of 16.5 liters (4.4 gallons). It is a robust inline-6 engine that requires strict adherence to maintenance intervals to prevent contamination-related wear. Common issues include engine overheating, which may be caused by debris packed between the radiator, hydraulic oil cooler, and charge-air cooler, or by a failing fan. Engine performance issues, such as power loss under load, often stem from restricted airflow (dirty air filter, damaged charge-air hoses) or fuel delivery problems (clogged fuel filters, water in the fuel separator). The engine is sensitive to fuel quality; low-quality fuel or extended service intervals can accelerate injector and fuel system wear. Regular inspection of the cooling package and fuel system is critical to maintaining optimal operation.
What are the common electrical and sensor issues associated with this engine series?
Komatsu excavators with this engine series rely heavily on electronic control systems. A single faulty sensor or unstable power supply can trigger multiple warning signals. Owners often report intermittent starting, dashboard failures, or machines that randomly shut down. These symptoms can also be caused by poor battery state of charge, corroded battery terminals, or faulty engine and chassis grounds. If the engine cranks but does not start, checking for recent fuel-system maintenance is important, as work performed during filter replacements can introduce air into the fuel supply or cause connection issues. Multiple fault codes often point to battery, ground, or connector problems rather than a single component failure.
What should be checked when buying a used machine with the SA6D95L-1C engine (S/N 35398-UP)?
When evaluating a used machine with the SA6D95L-1C engine (Serial No. 35398-UP), verify the exact serial number prefix to ensure the correct service manual and parts are referenced. Check the engine oil pressure, which should be 80+ lbs during operation. Inspect the cooling system for leaks and ensure the radiator, hydraulic oil cooler, and charge-air cooler are clean and free of packed debris. Test the hydraulic system for performance when cold and when hot to identify internal leakage. Check for signs of overheating, such as expelled coolant or high system pressure. Inspect the undercarriage for wear, track tension, and roller condition. Verify the condition of the fuel filters, water separator, and air intake hoses. Check the battery and starter circuit for proper voltage and load capacity. Look for any history of major repairs, particularly to the hydraulic pump or engine bearings.
What are the fluid specifications for the SA6D95L-1C engine and associated systems?
Komatsu recommends using genuine Komatsu fluids that meet specific engineering standards. For the engine, use Komatsu diesel engine oil. For the hydraulic system, use Komatsu hydraulic oil (HO). For the final drive and swing mechanism, use Komatsu powertrain oil (TO). For the axle, use Komatsu axle oil (AXO). For the cooling system, use Komatsu Super Coolant AF-NAC. Using fluids that do not meet these specifications can lead to premature wear and system failure. The exact capacity for the hydraulic system and cooling system varies by machine configuration and should be verified in the operation and maintenance manual for the specific model.
What is a critical safety fix related to the engine or hydraulic system that requires dealer verification?
If the machine exhibits sudden derating, multiple fault codes, or erratic behavior, the issue may involve the engine control module, aftertreatment system, or hydraulic pressure regulation. These systems are complex and require specialized diagnostic tools and software to interpret correctly. Incorrect diagnosis or repair can lead to further damage or unsafe operating conditions. Have your dealer verify the exact fault codes and perform a comprehensive system check to ensure safe and proper operation.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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