Komatsu 6D95L-1AC-TW(S/N 96999-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu 6D95L-1AC-TW is a 5.0-liter, inline-six, turbocharged diesel engine designed for heavy-duty construction applications. It powers the Komatsu PC200-6 and PC210-6 hydraulic crawler excavators, which are mid-size machines with operating weights ranging from approximately 19,000 to 21,000 kg (41,885 to 46,296 lb). Production for this engine configuration spans the late 1990s through the mid-2000s, serving as the successor to the 6D95 series and preceding the Tier 3/4 compliant 6D95E and 6D95Z variants. The machine was offered in standard and long-carriage (LC) configurations to accommodate varying stability and reach requirements.
Across its generation, the 6D95L-1AC-TW evolved from mechanical injection systems to more precise electronic control units to meet tightening emissions standards. The 'TW' suffix denotes a specific regional or environmental package, often associated with tropical or high-temperature operation. In the used and parts market, this engine remains critical because the PC200-6 and PC210-6 platforms are ubiquitous in earthmoving fleets. Their widespread adoption ensures a robust supply of aftermarket components, making the 6D95L-1AC-TW a cost-effective powertrain choice for fleet managers prioritizing uptime and parts availability over new-equipment warranty coverage.
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 6D95L-1AC-TW(S/N 96999-UP) specifications
Engine
| Model | 6D95L-1AC-TW |
| Series/Generation | 95 Series (6D95L-1) |
| Configuration | Turbocharged, Aftercooled |
| Displacement | 4.890 L (298.4 cu in) |
| Cylinders | 6, In-line |
| Bore | 95 mm (3.74 in) |
| Stroke | 115 mm (4.53 in) |
| Gross Power | 59 kW (79 hp) @ 2500 rpm |
| Net Power | 52 kW (70 hp) @ 2350 rpm |
| Emissions Tier | Tier 1 / Stage II |
Weights
| Engine Weight | 420–430 kg (926–948 lb) |
Dimensions
| Engine Length | 1056–1075 mm (41.6–42.3 in) |
| Engine Width | 620–625 mm (24.4–24.6 in) |
| Engine Height | 1093–1100 mm (43.0–43.3 in) |
Performance
| Torque | 265–270 N·m (195–199 lb·ft) @ 1400 rpm |
Service capacities (summary)
| Fluid Recommendations | Komatsu EO (Engine Oil), Komatsu TO (Hydraulic Oil), Komatsu AXO (Axle Oil), Komatsu HO (Powertrain Oil), Super-coolant AF-NAC |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Komatsu 6D95L-1AC-TW(S/N 96999-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 6D95L-1AC-TW(S/N 96999-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize Komatsu Oil Wear Analysis (KOWA) at every 500-hour interval to monitor iron, copper, and lead wear metals in the engine oil. Track coolant pH and SCA concentration levels to prevent liner cavitation in the 6D95L-1AC-TW cylinder block. Monitor hydraulic oil particle count and viscosity to detect pump wear early. Use KOMTRAX telematics to track fuel consumption trends and engine load frequency, identifying inefficiencies before they cause component failure. Regular fluid sampling prevents catastrophic wear in the turbocharger and injection pump.
Corrective & Common Repairs
Address common 6D95L-1AC-TW issues by inspecting the turbocharger for shaft play and seal leaks during 1,000-hour services. Replace the fuel filter and drain the water separator daily to prevent injector corrosion. Check the air filter restriction indicator frequently; clogged filters cause excessive soot accumulation and oil dilution. Inspect the high-pressure fuel lines for leaks that can lead to fire hazards. Replace worn piston rings if blue smoke indicates excessive oil consumption during heavy loading cycles.
Overhaul & Rebuild Points
Plan for a major overhaul when compression drops below specification or oil consumption exceeds 1 liter per 10 hours. Measure cylinder bore wear and replace liners if out of tolerance. Inspect the crankshaft main and rod bearings for scoring or excessive clearance. Replace the camshaft if lobe wear affects valve timing. Rebuild the turbocharger if shaft end-play exceeds limits. Ensure all gaskets and seals are replaced during reassembly to maintain compression and prevent coolant or oil leaks in the 6D95L-1AC-TW engine block.
Seasonal & Environment Servicing
For the 6D95L-1AC-TW in tropical or sandy conditions, inspect the air intake system more frequently to prevent dust ingestion. Clean the radiator and oil cooler fins daily to maintain cooling efficiency in high ambient temperatures. Use Komatsu EO or equivalent heavy-duty diesel engine oil with high detergent properties to combat soot and acid buildup. Check the coolant glycol concentration before winter to prevent freezing. Inspect all rubber hoses and belts for UV degradation and heat cracking common in hot climates.
6D95L-1AC-TW(S/N 96999-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 600-311-7440 | Cartridge,Fuel Filter | Fuel system service | Check fitment → |
| 6206-73-6200 | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| 09637-30161 | Plate? Instruction,Air Cleaner (Single Element) | Air intake service | Check fitment → |
| 09637-30262 | Plate? Instruction,Air Cleaner (Double Element) | Air intake service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
6D95L-1AC-TW(S/N 96999-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CA115 | Engine crankshaft speed sensor and backup speed sensor failure | Faulty speed sensor, broken wiring harness, or corroded connector at the pin connector | Replace the speed sensor and verify voltage at the pin connector |
| CA111 | Engine controller internal fault | Critical internal failure of the Electronic Control Module (ECM) | Replace or reprogram the ECM |
| CA451 | Common rail pressure sensor feedback value too high | Malfunction in the rail pressure sensor or actual overpressure condition in the fuel system | Diagnose the fuel rail pressure sensor and check pump lines |
| CA441 | Battery voltage too low | Weak battery, failing alternator, or poor electrical connections | Replace the alternator or battery; check the voltage regulator |
| CA122 | Intake air pressure sensor feedback voltage too high | Faulty intake pressure sensor or wiring issue | Verify the intake pressure sensor and wiring integrity |
| CA123 | Intake air pressure sensor feedback voltage too low | Sensor short circuit or airflow restriction in the intake system | Check for a sensor short or an airflow restriction |
| CA234 | Engine overspeed | Throttle calibration error, engine load cycle issue, or operator misuse | Verify throttle calibration and engine load cycle |
| AA10NX | Air cleaner clogging | Blocked or dirty air filter element | Replace the air filter |
| B@BCNS | Engine coolant overheating | Low coolant level, failed fan belt, or blocked radiator fins | Check radiator fins, fan belt, and coolant level |
| AB00KE | Charging voltage too low | Alternator malfunction or loose drive belt | Replace the alternator or tighten the belt |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
6D95L-1AC-TW(S/N 96999-UP) attachments & work tools
Bulldozer Blade Systems
The 6D95L-1AC-TW engine is installed in Komatsu D-series crawler dozers, specifically the D31P-18 generation. Standard configurations include the semi-universal (SU) blade for general earthmoving and the straight (S) blade for fine grading. Factory guarding options typically include side cutters and end bits to extend blade life in abrasive conditions.
Ripper Attachments
Rear-mounted ripper configurations are standard for the D31P-18 class, designed for breaking hard ground or rock. These attachments require auxiliary hydraulic circuits for depth control and shank positioning. Factory options may include single-shank or multi-shank setups depending on the specific dozer frame and hydraulic kit availability.
Excavator Work Tools
The engine powers the PC200-6 and PC200LC-6L excavator series, which utilize standard quick-attach coupler systems for bucket interchange. Typical work tools include digging buckets, trenching buckets, and grading buckets sized for the 20-ton class. Hydraulic breaker and hammer kits are factory-supported options requiring high-flow auxiliary hydraulics.
Loader Buckets
Komatsu WA-series wheel loaders equipped with this engine class use standard loader buckets for material handling. Bucket capacities vary by configuration, typically ranging from 3.0 to 4.2 cubic meters for the WA320-8 class. Quick-attach couplers are standard for switching between rock, light material, and multi-purpose buckets.
All 6D95L-1AC-TW(S/N 96999-UP) assemblies by section
Every catalogued assembly group for the Komatsu 6D95L-1AC-TW(S/N 96999-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Engine
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Air Cleaner(#100413-)
| 04***10 | Ring,See Fig. K4010-65a0 | 1 |
| 07***09 | Clamp,(With Cylinder Cover) | 2 |
| 60***11 | Washer,Seal (K26) | 2 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Air Intake(#100413-)
| 01***10 | Bolt (M10x1.50x10) | 4 |
| 01***30 | Screw | 11 |
| 01***85 | Bolt | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Alternator (13a) (With Non Hardening Pulley) (Inner Parts)(#100413-)
| 60***60 | Alternator A. (13a),(With Non Hardening Pulley) | 1 |
| KD***31 | Bushing,Insulator | 2 |
| KD***80 | Packing | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Alternator Mounting (13a) (With Non Hardening Pulley)(#100413-)
| 01***50 | Bolt | 1 |
| 01***40 | Bolt,(Shim 3-Piece) | 1 |
| 01***20 | Bolt,(For Japan Pc200) | 2 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Camshaft And Tappet
| 01***20 | Screw | 2 |
| 04***16 | Fitting Wedge | 1 |
| 06***06 | Bearing | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Cooling Fan
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Cooling Fan (Reversible Fan Type)
| 01***45 | Bolt | 6 |
| 01***30 | Screw | 6 |
| 60***10 | Fan,(Reversible Type) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Crank Pulley (Hardening Pulley) (For 13a Alternator)
| 01***45 | Bolt,Nylock | 1 |
| 61***20 | Collar,Taper | 1 |
| 61***31 | Plate | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Crankshaft
| 62***00 | Main Metal Ass'Y | 7 |
| 62***00 | Thrust Metal Ass'Y | 1 |
| 62***00 | Main Metal Ass'Y | 7 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Cylinder Block
| 01***16 | Screw | 4 |
| 04***20 | Pin,Dowel (Welded) | 2 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 2 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Cylinder Block Gasket Kit
| 07***05 | O-Ring,(Not Used With Emergency Str.) (K2) | 2 |
| 07***35 | O-Ring,Hydraulic Oil Filter | 1 |
| 07***50 | O-Ring,Front Cover Plate | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Cylinder Head
| 01***32 | Washer, (Without Emergency Steering) | 25 |
| 02***04 | Plug, Pipe | 1 |
| 07***08 | Plug, Expansion | 6 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Cylinder Head Gasket Kit
| 08***14 | Band,(For Additional Fuel Strainer) | 2 |
| 08***19 | Band,(Without Air Conditioner) | 2 |
| 61***30 | Gasket,Air Cleaner | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Damper
| 01***16 | Bolt,(With Alternator Cover Type) | 6 |
| 62***00 | Damper,(Except Japan Pc200) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Engine Mounting
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 6 |
| 01***55 | Bolt, Mount Tube To Switch Pump | 5 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Exhaust Manifold
| 01***25 | Grub Screw | 4 |
| 01***45 | Bolt, Bracket Mounting | 12 |
| 61***50 | Nut | 4 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Flywheel
| 01***30 | Bolt | 6 |
| 06***04 | Bearing,Ball | 1 |
| 62***10 | Washer | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Flywheel Housing
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 11 |
| 07***15 | Plug | 1 |
| 61***32 | Seal? Rear (K2) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Front Cover
| 01***16 | Bolt | 2 |
| 01***16 | Screw | 3 |
| 01***65 | Bolt,(For 35a? 25a Alternator) | 15 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Front Hanger (For 13a? 25a Alternator)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 62***50 | Hanger,Front (With Tension Pulley) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Front Power Take Off
| 06***07 | Bearing | 1 |
| 06***08 | Bearing,Ball | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 2 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Fuel Filter (For 13a? 25a Alternator)
| 01***85 | Bolt | 2 |
| 01***15 | Bolt,(With Water Separator) | 2 |
| 01***16 | Washer,(With Water Separator) | 2 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Fuel Injection Pump (Feed Pump) (Without Stop Motor) (Inner Parts)(#100413-)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***10 | Feed Pump Ass'Y,(Not Shown) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Fuel Injection Pump (Governor) (1/2) (Without Stop Motor) (Inner Parts)(#100413-)
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
| DK***80 | Nut | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Fuel Injection Pump (Governor) (2/2) (Without Stop Motor) (Inner Parts)(#100413-)
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
| DK***20 | Cover | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Fuel Injection Pump (Pump) (1/2) (Without Stop Motor) (Inner Parts)(#100413-)
| 62***52 | Injection Pump Ass'Y | 1 |
| DK***30 | Key,Woodruff | 1 |
| DK***30 | Bearing | 0 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Fuel Injection Pump (Pump) (2/2) (Without Stop Motor) (Inner Parts)(#100413-)
| 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 : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Fuel Injection Pump Lubricator
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 2 |
| 07***10 | Screw, Banjo Connector (M10-1.25x20) | 1 |
| 62***30 | Pipe,Oil | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Fuel Injection Pump Mounting (Without Stop Motor)(#100413-)
| 01***35 | Grub Screw | 4 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Fuel Return (For 13a? 25a Alternator) (For 15a Alternator With Water Separator)
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
| 01***50 | Bolt,(For Shipping) | 1 |
| 04***10 | Clip,(With Accumulator) | 2 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Head Cover
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Heater Switch
| 01***12 | Bolt | 2 |
| 01***20 | Bolt,(For Japan Pc200) | 2 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Holder (Inner Parts)
| 62***10 | Holder Ass'Y | 6 |
| DK***00 | Shim? 0.75mm | 0 |
| DK***00 | Shim? 1.200mm | 0 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Idler Gear
| 01***75 | Bolt - Cab To Rops | 1 |
| 04***20 | Ring, Snap | 1 |
| 06***06 | Bearing | 2 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Injection Nozzle
| 01***35 | Bolt, Mount Bracket To Floor | 6 |
| 07***00 | Clip | 11 |
| 62***10 | Carrier | 6 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Injection Piping
| 01***25 | Screw | 4 |
| 61***30 | Clip | 1 |
| 62***00 | Clip Ass'Y | 4 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Muffler (Catalyzer Type)(#100413-)
| 01***15 | Bolt | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***16 | Screw | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Muffler(#100413-)
| 01***15 | Bolt | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***16 | Screw | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Name Plate And Caution (English)
| 09***61 | Plate? Instruction,Air Cleaner (Single Element) | 1 |
| 60***30 | Plate? Caution,Oil Filter And Bypass Filter | 1 |
| 60***20 | Plate? Caution,(English)(Not Shown) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Name Plate And Caution (French-English)
| 09***62 | Plate? Instruction,Air Cleaner (Double Element) | 1 |
| 60***90 | Plate? Caution,(French-English) | 1 |
| 60***50 | Plate? Caution,(French-English) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Name Plate And Caution (German-English)
| 09***61 | Plate? Instruction,(German-English) (Not Shown) | 1 |
| 60***80 | Plate? Caution,(German-English) | 1 |
| 60***40 | Plate? Caution,(German-English) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Name Plate And Caution (Indonesian-English)
| 09***61 | Plate? Instruction,(Indonesian-English)(Not Shown | 1 |
| 60***50 | Plate? Caution,(Indonesian-English) | 1 |
| 60***20 | Plate? Caution,(English-Indonesian) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Name Plate And Caution (Italian-English)(#100413-)
| 09***61 | Plate? Instruction,(Italian-English) (Not Shown) | 1 |
| 60***20 | Plate? Caution,(Italian-English) | 1 |
| 60***50 | Plate? Caution,(Italian-English) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Name Plate And Caution (Spanish-English)
| 09***61 | Plate? Instruction,(Spanish-English) (Not Shown) | 1 |
| 60***70 | Plate? Caution,Oil Filter And Bypass Filter | 1 |
| 60***30 | Plate? Caution,(Spanish-English) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Oil Filter
| 60***41 | Cartridge,Engine Oil Filter (D31s) | 1 |
| 60***42 | Cartridge,Engine Oil Filter | 1 |
| 62***10 | Nipple | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Oil Level Gauge(#100413-)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 01***20 | Screw | 1 |
| 01***06 | Nut | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Oil Pan And Suction Tube(#100413-)
| 01***16 | Bolt, Mount Solenoid Valve | 30 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Screw | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Oil Pump
| 01***16 | Screw | 4 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 62***10 | Valve | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Piston
| 04***12 | Ring, Snap | 12 |
| 62***02 | Piston Ring Ass'Y,Per Cylinder | 6 |
| 62***10 | Pin,Piston | 6 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Rear Hanger
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 62***60 | Hanger,Rear | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Rocker Arm
| 01***65 | Bolt,(For Alternator Bracket Mount) | 8 |
| 61***30 | Circlip | 2 |
| 62***20 | Spring | 5 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Spare Parts (For 25a Alternaotr Reversible Fan Type) (For 13a Alternator)(#100413-)
| 04***32 | V-Belt,(For Trimming Dozer) | 1 |
| 04***53 | V-Belt,(For Add. Air Compressor) | 1 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Starting Motor (5.5kw) (Inner Parts)(#100413-)
| 60***50 | Starting Motor Ass'Y,(5.5kw) | 1 |
| KD***00 | Bracket,Rear | 1 |
| KD***20 | Spring,Brush | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Starting Motor Mounting (5.5kw)(#100413-)
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Tension Pulley (For 13a Alternator)
| 01***12 | Bolt | 4 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 01***65 | Bolt,(With Water Separator) | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Water Pump
| 01***16 | Screw | 5 |
| 01***20 | Screw | 2 |
| 01***75 | Bolt,(For Shipping) | 4 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Water Pump (For Cuba)(#100413-)
| 01***16 | Screw | 5 |
| 01***20 | Screw | 2 |
| 01***75 | Bolt,(For Shipping) | 4 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Water Pump (For Reversible Fan)
| 01***16 | Screw | 5 |
| 01***20 | Screw | 2 |
| 01***75 | Bolt,(For Shipping) | 4 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Water Pump Pulley (Hardening Pulley) (For Trimming Dozer) (High Altitude Spec.)(#100413-)
| 04***32 | V-Belt,(For Trimming Dozer) | 1 |
| 04***53 | V-Belt,(For Add. Air Compressor) | 1 |
| 62***60 | Pulley? Hardening | 1 |
Komatsu : 6d95l-1ac-Tw(S/N 96999-Up) : Engine : Water Separator (For 13a? 25a Alternator)
| 01***25 | Bolt,(With Corrosion Resistor) | 2 |
| 01***10 | Bolt | 2 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
6D95L-1AC-TW(S/N 96999-UP) serial number reference
The engine serial number is stamped directly on the engine block, typically on the left side near the injection pump or on a metal data plate affixed to the valve cover. The machine PIN (Product Identification Number) or ESN is located on a riveted data plate on the right-hand side of the cab (for excavators) or on the front frame casting (for dozers). The engine model code (e.g., 6D95L-1AC-TW) is found on the engine data plate, not the machine PIN plate. Always cross-check the engine serial against the machine serial to ensure correct parts fitment, as re-engined machines will have mismatched numbers.
| Prefix | Identifies | Notes |
|---|---|---|
| 6D95L-1AC-TW | Engine Model | Identifies the specific engine configuration (6D95L-1AC-TW) for the serial range 96999-UP. This engine variant is used in Komatsu excavators (PC200-8, PC360-8, PC490-8) and dozers (D31P-18, D375A-8) built from approximately 2007 to 2013. The 'TW' suffix typically denotes a specific emissions or regional configuration (often export/Tier 3/Stage IIIA). Serial number 96999 marks the start of this specific engine application range in parts catalogs. Verify with your dealer for exact machine model fitment as this engine was also used in earlier/later ranges with different prefixes (e.g., 6D95L-1A, 6D95L-1AA). |
Frequently asked questions
What is the engine model?
Komatsu 6D95L-1AC-TW
What is the operating weight of the machine?
Varies by configuration/series
What replaced it?
Komatsu 6D95E and 6D95Z series engines
What 6D95L-1AC-TW(S/N 96999-UP) owners discuss
What are the known powertrain and hydraulic behaviors for machines using the 6D95L-1AC-TW engine?
What undercarriage or wear patterns are typical for this machine type?
What are the engine quirks per the 6D95L-1AC-TW series?
What are common electrical or sensor issues discussed for this engine?
What should be checked when buying a used machine with a 6D95L-1AC-TW engine (S/N 96999-UP)?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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