Komatsubulldozermedium (d40 - d75)
Komatsu D41S-3(S/N 6001-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu D41S-3 (S/N 6001-UP) is a mid-size crawler dozer designed for utility earthmoving, grading, and land clearing. Produced between 1984 and 1988, this machine belongs to the D-series family and features a Komatsu 6D105 engine delivering approximately 89.8 hp (67 kW). It operates in the 24,339 lb (11 t) weight class and is configured with a 1.6 yd³ (1.2 m³) heaped bucket capacity. The series utilizes a Hydroshift transmission for efficient power transfer.
Across its production life, the D41S-3 maintained a focus on balance between precision and power, serving as a reliable predecessor to later high-efficiency generations. In today's used equipment market, this model remains significant due to its robust 6D105 engine architecture and mechanical simplicity. The availability of aftermarket parts for the undercarriage and engine components makes it a cost-effective choice for contractors managing small-scale excavation or maintenance fleets.
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 D41S-3(S/N 6001-UP) specifications
Engine
| Engine Model | Komatsu 6D105-1 |
| Net Power | 90 hp (67.2 kW) |
| Flywheel Horsepower | 67 kW (90 HP SAE) at 2350 RPM |
| Displacement | 6.49 L (396 cu in) |
| Engine Type | 4-cycle, water-cooled diesel, 6 cylinders |
| Bore x Stroke | 105 mm (4.13 in) x 125 mm (4.92 in) |
| Max Torque | 40 kg-m (289 lb-ft / 392 N-m) at 1500 RPM |
Weights
| Operating Weight | 24,339.1 lb (11,040 kg) |
Dimensions
| Transport Length | 16 ft (4.89 m) |
| Transport Width | 6.37 ft (1940 mm) |
| Transport Height | 9.83 ft (2995 mm) |
| Ground Clearance | 1.19 ft (360 mm) |
| Height to Top of Cab | 9.83 ft (2995 mm) |
| Clearance at Full Height and Dump | 8.54 ft (2600 mm) |
| Reach at Dump Height | 3.38 ft (1030 mm) |
Undercarriage
| Track Gauge | 60.63 in (1540 mm) |
| Track Width | 15.75 in (400 mm) |
| Length of Track on Ground | 6.76 ft (2060 mm) |
| Ground Pressure | 9.53 psi (65.71 kPa) |
| Number of Track Rollers Per Side | 5 |
Performance
| Max Speed | 4.8 mph (7.6 km/h) |
| Static Tipping Load | 15,500 lb (7,030.7 kg) |
| Breakout Force - Std Bucket | 18,700 lb (83.2 kN) |
Blades
| Bucket Capacity - Heaped | 1.6 yd³ (1.2 m³) |
Service Capacities
| Fuel Capacity | 64.8 gal (245 L) |
| Cooling System Fluid Capacity | 8.8 gal (33 L) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D41S-3(S/N 6001-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine Crankcase | Not specified | Not specified by name in provided documentation |
| Cooling System | 33 L (8.7 gal) | Not specified by name in provided documentation |
| Fuel Tank | Not specified | Not specified by name in provided documentation |
| Transmission/Powertrain | Not specified | Not specified by name in provided documentation |
| Final Drives (each) | Not specified | Not specified by name in provided documentation |
| Hydraulic System/Tank | Not specified | Not specified by name in provided documentation |
| Grease | Not specified | Not specified by name in provided documentation |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu D41S-3(S/N 6001-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 D41S-3(S/N 6001-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor the 6D105 engine oil and hydraulic fluids regularly. Frequent analysis of transmission oil can detect early signs of clutch wear or overheating. Watch for rapid temperature rises in the Hydroshift system, which may indicate internal slipping. Ensure the cooling system fluid remains clean to prevent radiator scaling. Tracking fuel consumption changes can also signal injector or pump wear before failure occurs.
Corrective & Common Repairs
Address steering brake failures immediately if left-side response becomes inconsistent. Inspect the Diesel Kiki injection pump for erratic RPM fluctuations, as worn internal elements cause engine instability. If the transmission fails to engage reverse effectively, check hydraulic pressure and valve functionality. Monitor track tension closely; excessive slack increases wear on rollers and idlers, leading to costly undercarriage replacements.
Overhaul & Rebuild Points
Plan engine overhauls around the 6D105 piston and cylinder inspections. Significant power loss often requires rebuilding the injection pump elements or replacing injector nozzles. For the drivetrain, rebuild the Hydroshift transmission when slipping occurs to restore forward and reverse performance. When refurbishing the undercarriage, evaluate the track shoes, rollers, and final drive gears for total replacement rather than individual part repair.
Seasonal & Environment Servicing
In dusty environments, increase air cleaner cleaning frequency to protect the 6.5 L displacement engine. During winter operations, ensure the cooling system is prepared for temperature fluctuations and check battery health. For machines operating in wet or clay-heavy terrain, clean the undercarriage daily to prevent debris buildup from damaging track rollers or increasing ground pressure beyond the standard 9.53 psi (65.71 kPa).
D41S-3(S/N 6001-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 600-311-9100 | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| (6136-71-6100) | Fuel Filter Ass'Y,(See Fig.408) | Fuel system service | Check fitment → |
| 09019-08035 | Wrench,Filter (For Add. Fuel Filter) | Fuel system service | Check fitment → |
| 09637-02161 | 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.
D41S-3(S/N 6001-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| E10 | Engine controller power malfunction | ECM power connections, fuses, or ground wires failure | Inspect ECM power connections, fuses, and ground wires |
| E11 | Engine protection—output power reduced | High coolant temperature, low oil pressure, or clogged air filter | Check coolant temperature, oil pressure, and air filter |
| CA115 | Engine crankshaft speed sensor failure | Broken sensor, wiring issue, or connector corrosion | Replace the speed sensor and verify voltage at the pin connector |
| CA234 | Engine overspeed | Throttle calibration error, engine load cycle issues, or operator misuse | Verify throttle calibration and engine load cycle |
| CA441 / CA442 | Battery voltage too low / too high | Alternator failure or battery degradation; voltage regulator issues | Replace the alternator or battery and check the voltage regulator |
| CA451 / CA452 | Common rail pressure error | Fuel rail pressure sensor malfunction or fuel pump line issues | Diagnose the fuel rail pressure sensor or pump lines |
| DW43KA / DW43KB | Travel speed solenoid open/short circuit | Electrical short or open circuit in the travel speed control solenoid | Replace the solenoid valve |
| A570NX | Engine oil filter clogged | Exceeded oil service interval or contaminated oil | Replace filter element |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D41S-3(S/N 6001-UP) attachments & work tools
Blades
Available configurations include S, SU, and A types; VPAT availability is not documented for this specific serial range. The OEM part reference is identified for the D41S-3 (6001-UP) loader/dozer configuration.
Rippers
Multi-shank parallelogram style ripper available; includes 1 cylinder, 3 shanks, and 3 tips. Total assembly weight is 1100 kg (2425 lb) with a shipping length of 1.3 m (4.27 ft), width of 2 m (6.56 ft), and height of 0.8 m (2.62 ft).
Winches
Not documented for this exact serial range — verify with your dealer.
Drawbars/counterweights
Counterweight and drawbar attachments are listed as available components for the D41S-3 series.
Cab/ROPS guarding options
Screen & Sweep / Guard and Tree Pusher attachments are identified within the bulldozer attachment range for this model.
Hydraulic arrangement notes
The machine utilizes a Komatsu Hydroshift transmission with a damper and planetary-gear type. Ripper assembly requires 1 cylinder; hydraulic systems must be non-contaminated to maintain cylinder warranty.
All D41S-3(S/N 6001-UP) assemblies by section
Every catalogued assembly group for the Komatsu D41S-3(S/N 6001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
6d105-1n S/N 15149-Up
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Additional Fuel Filter
| 07***12 | Gasket,Mechanical Pump Piping | 2 |
| 60***00 | Fuel Filter Ass'Y | 1 |
| 60***20 | Cartridge,Pref | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Air Cleaner And Mounting
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 13 |
| 01***30 | Bolt,(For France Noise Suppression) | 7 |
| 01***06 | Nut, Regular Hexagon (M8-1.25) | 6 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Air Intake Manifold And Connection
| 01***20 | Bolt | 2 |
| 01***50 | Bolt,(For Trimming Dozer) | 2 |
| 01***65 | Bolt,(For Alternator Bracket Mount) | 10 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Alternator (13a)(#63408-)
| 60***60 | Alternator A. (13a),(With Non Hardening Pulley) | 1 |
| KD***31 | Bushing,Insulator | 2 |
| KD***80 | Packing | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Alternator (25a)(#15149-68686)
| 60***51 | Alternator A. (25a) | 1 |
| KD***52 | Bolt,Through | 3 |
| KD***70 | Rear Bracket Ass'Y | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Alternator (25a)(#68687-)
| 60***30 | Alternator A. (25a),(With Non Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***11 | Rear Bracket Ass'Y | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Alternator (35a) (Hardening Pulley Type)
| 60***40 | Alternator A. (35a) | 1 |
| KD***31 | Bushing,Insulator | 2 |
| KD***57 | Bearing,Ball? Front | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Alternator (50a)(#50001-)
| 60***40 | Alternator A. (50a),(With Non Hardening Pulley) | 1 |
| SD***X0 | Coil Assembly | 1 |
| SD***X0 | Washer | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Alternator And Mounting (13a)(#63408-)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***30 | Bolt,(For Trimming Dozer) | 1 |
| 01***11 | Nut,(For Center Guard) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Alternator And Mounting (25a)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***30 | Bolt | 1 |
| 01***30 | Bolt,(For Trimming Dozer) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Alternator And Mounting (35a) (Hardening Pulley Type)
| 01***65 | Bolt,(For Alternator Bracket Mount) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***70 | Bolt,(With Wear Guard) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Alternator And Mounting (50a)(#50001-)
| 01***65 | Bolt,(For Alternator Bracket Mount) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 1 |
| 01***70 | Bolt,(With Wear Guard) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Camshaft And Tappet
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
| 01***16 | Washer,(For Shipping) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Corrosion Resistor
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 5 |
| 01***29 | Washer,Spring (Cold Weather Spec.) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Crankshaft
| 01***25 | Bolt - Rear Guard Mounting | 6 |
| 01***36 | Washer,Radio Controlled Slag Handling | 6 |
| 61***11 | Bolt,Nylock (K2) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Cylinder Block(#15149-49999)
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***75 | Bolt,(For 75a Alternator) | 1 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Cylinder Block(#50001-)
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***75 | Bolt,(For 75a Alternator) | 1 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Cylinder Head
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
| 07***08 | Plug,(Without Oil Pressure Switch) | 7 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Cylinder Head Cover(#15149-79362)
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***08 | Nut (Welded) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Cylinder Head Cover(#79363-)
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***08 | Nut (Welded) | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Engine Support
| 01***40 | Bolt,(Dust And Dirt Protection) | 8 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 8 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 8 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Exhaust Manifold
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***60 | Bolt (M10-1.50x60) | 1 |
| 01***00 | Bolt (M10-1.50x100) | 12 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Flywheel And Flywheel Housing
| 01***40 | Bolt,(Dust And Dirt Protection) | 9 |
| 01***60 | Bolt, Trunnion Cap | 2 |
| 01***35 | Screw | 6 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Front Cover
| 01***22 | Bolt,(Cold Terrain Spec.) | 4 |
| 01***25 | Bolt,(Without Auto Priming System) | 4 |
| 01***60 | Bolt,(Without Alternator Bracket) | 10 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Filter
| 07***12 | Gasket,Mechanical Pump Piping | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 1 |
| 60***10 | Plug,(For Shipping) (Not Shown) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Injection Pump (Coupling)(#15149-49999)
| DK***00 | Bolt | 6 |
| DK***00 | Bolt | 1 |
| DK***30 | Coupling Ass'Y | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Injection Pump (Coupling)(#50001-)
| DK***00 | Bolt | 1 |
| DK***00 | Washer,Lock | 2 |
| DK***00 | Coupling,Cross | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Injection Pump (Feed Pump)(#15149-49999)
| DK***00 | Spring,Piston | 1 |
| DK***20 | Piston | 1 |
| DK***40 | Feed Pump Ass'Y | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Injection Pump (Feed Pump)(#50001-)
| DK***20 | Bolt, Joint | 1 |
| DK***20 | Pump,Priming | 1 |
| DK***20 | Housing | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Injection Pump (Governor) (1/2)(#15149-49999)
| DK***00 | Adapter | 1 |
| DK***20 | Capsule,Spring | 1 |
| DK***80 | Nut | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Injection Pump (Governor) (1/2)(#50001-)
| DK***80 | Governor Ass'Y,(High Altitude Spec.) | 1 |
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Injection Pump (Governor) (2/2)(#15149-49999)
| DK***70 | Bolt | 2 |
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Injection Pump (Governor) (2/2)(#50001-)
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
| DK***40 | Bolt | 2 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Injection Pump (Pump) (1/2)(#15149-49999)
| 61***11 | Injection Pump Ass'Y | 1 |
| DK***30 | Bearing | 2 |
| DK***20 | Shim, 1.40mm; Was Dk029311-7220, Shim? 1.4mm | 0 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Injection Pump (Pump) (1/2)(#50001-)
| 61***10 | Injection Pump Ass'Y | 1 |
| 61***50 | Injection Pump Ass'Y,(High Altitude Spec.) | 1 |
| 61***60 | Injection Pump Ass'Y,(Europe Spec.) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Injection Pump (Pump) (2/2)(#15149-49999)
| DK***00 | Sleeve,Control | 6 |
| DK***00 | Screw | 6 |
| DK***00 | Spring | 6 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Injection Pump (Pump) (2/2)(#50001-)
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Injection Pump And Piping
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***70 | Bolt | 4 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Nozzle And Spill Pipe(#15149-49999)
| 01***55 | Bolt,(For Trimming Dozer) | 12 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 12 |
| 07***12 | Gasket,Mechanical Pump Piping | 2 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Fuel Nozzle And Spill Pipe(#50001-)
| 01***55 | Bolt,(For Trimming Dozer) | 12 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 12 |
| 07***12 | Gasket,Mechanical Pump Piping | 2 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Gasket Kit
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
| 07***00 | O-Ring,(F4350-65a1 -5 ) | 1 |
| 07***45 | O-Ring,(F4320-61a0 -16 ), O-Ring; Was 07000-02145 | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Lubricating Oil Cooler(#15149-49999)
| 01***25 | Bolt,(Without Auto Priming System) | 5 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***35 | Bolt,(Without Auto Priming System) | 16 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Lubricating Oil Cooler(#50001-)
| 01***25 | Bolt,(Without Auto Priming System) | 5 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***35 | Bolt,(Without Auto Priming System) | 16 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Lubricating Oil Filter And Mounting
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***35 | Bolt,(Without Auto Priming System) | 1 |
| 01***90 | Bolt | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Lubricating Oil Pump And Suction Pipe(#15149-49999)
| 01***25 | Bolt,(Without Auto Priming System) | 3 |
| 01***50 | Bolt,(For Trimming Dozer) | 4 |
| 01***30 | Bolt,(For France Noise Suppression) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Lubricating Oil Pump And Suction Pipe(#50001-)
| 01***25 | Bolt,(Without Auto Priming System) | 3 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***40 | Bolt,(For Position Fixing) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Muffler
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Oil Pan : Unit_02_of_02
| 01***22 | Bolt,(Cold Terrain Spec.) | 29 |
| 01***25 | Bolt,(Without Auto Priming System) | 10 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Oil Pan : Unit_01_of_02
| 01***22 | Bolt,(Cold Terrain Spec.) | 29 |
| 01***25 | Bolt,(Without Auto Priming System) | 10 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Piston And Connecting Rod
| 04***18 | Ring, Retaining | 2 |
| 61***12 | Piston Ass'Y | 6 |
| 61***30 | Piston Ring Ass'Y | 6 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Regualtor And Heater Signal
| 60***70 | Switch,Air Intake Heater | 1 |
| 60***60 | Switch,Heater Relay | 1 |
| 60***71 | Signal,Signal | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Rocker Arm
| 01***80 | Bolt,(Shim 5 Pieces Over) | 2 |
| 01***06 | Nut, Regular Hexagon (M8-1.25) | 12 |
| 01***36 | Washer,Radio Controlled Slag Handling | 6 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Starting Motor (5.5kw) (Dust And Water Proof Type)
| 60***51 | Starting Motor Ass'Y,(5.5kw) | 1 |
| KD***10 | Clutch Ass'Y,Over Running | 1 |
| KD***60 | Metal,Center | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Starting Motor (5.5kw)(#15149-81558)
| 60***43 | Starting Motor A.,(5.5kw) (See Fig.0661) | 1 |
| KD***10 | Clutch Ass'Y,Over Running | 1 |
| KD***60 | Metal,Center | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Starting Motor (5.5kw)(#81559-)
| 60***80 | Starting Motor Ass'Y,(5.5kw) | 1 |
| KD***30 | Bracket,Center | 1 |
| KD***50 | Clutch Ass'Y,Over Running | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Starting Motor (7.5kw) (Bad Check And Large Capacity Type)
| 60***10 | Starting Motor Ass'Y,(7.5kw) | 1 |
| KD***80 | Washer Ass'Y,(Not Shown) | 1 |
| KD***90 | Field Coil Ass'Y | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Starting Motor (7.5kw) (For Large Capacity Type)
| 60***81 | Starting Motor Ass'Y,7.5kw | 1 |
| KD***70 | Center Bracket A | 1 |
| KD***90 | Field Coil Ass'Y | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Starting Motor And Mounting
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 3 |
| 01***36 | Washer,Radio Controlled Slag Handling | 3 |
| 07***00 | O-Ring,(F4350-65a1 -5 ) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Tool
| 09***35 | Wrench,Filter (For Add. Fuel Filter) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : Water Pump And Cooling Fan
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 6 |
Komatsu : D41s-3(S/N 6001-Up) : 6d105-1n S/N 15149-Up : 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 |
Damper And Transmission
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : 1st Housing
| 01***30 | Bolt,(For Trimming Dozer) | 6 |
| 01***36 | Washer,Radio Controlled Slag Handling | 6 |
| 04***30 | Ring, Snap | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : 2nd Housing
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 4 |
| 04***16 | Pin, Spring | 3 |
| 09***20 | Washer,Thrust | 6 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Damper(#6001-6814)
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
| 01***45 | Bolt,(For Suction? Reversible Fan) | 12 |
| 01***45 | Bolt | 6 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Damper(#6815-)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 12 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 12 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 12 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Forward And 3rd Housing
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 2 |
| 04***16 | Pin, Spring | 3 |
| 04***15 | Ring,Back-Up | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Inching Pedal
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***25 | Bolt - Rear Guard Mounting | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Inching Pedal Linkage
| 01***30 | Bolt,(For France Noise Suppression) | 1 |
| 01***20 | Bolt,(Used When Towing Winch) | 2 |
| 01***50 | Screw | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Output Shaft
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 4 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 12 |
| 01***36 | Washer,Radio Controlled Slag Handling | 16 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Power Take Off
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 4 |
| 01***60 | Screw | 1 |
| 01***36 | Washer,Radio Controlled Slag Handling | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Reverse Housing
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 2 |
| 04***16 | Pin, Spring | 3 |
| 04***25 | Ring, Retaining | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Transmission Case And Filler
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 5 |
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***65 | Bolt,(For Suction Fan)(4d130-1d) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Transmission Control Lever
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 3 |
| 01***20 | Bolt,(Used When Towing Winch) | 3 |
| 01***25 | Bolt - Rear Guard Mounting | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Transmission Control Linkage
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
| 01***35 | Bolt,Adjusting | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Transmission Control Valve (1/2)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 7 |
| 01***55 | Bolt,(For Trimming Dozer) | 6 |
| 01***65 | Bolt,(For Alternator Bracket Mount) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Transmission Control Valve (2/2)(#6001-6199)
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***80 | Bolt,(See Fig.0131) | 5 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Transmission Control Valve (2/2)(#6200-)
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***80 | Bolt,(See Fig.0131) | 5 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Damper And Transmission : Universal Joint
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 8 |
| 12***61 | Bearing,Needle | 2 |
| 12***71 | Fitting,Grease | 1 |
Engine Related Parts And Electrical System
Komatsu : D41s-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Battery
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***20 | Bolt,(Used When Towing Winch) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Electrical System (1/2)
| 01***16 | Bolt (Welded) | 2 |
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 3 |
Komatsu : D41s-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Electrical System (2/2)
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 4 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***20 | Bolt,Front (Except Japan) | 2 |
| 01***45 | Bolt | 2 |
| 01***30 | Bolt,(For 187kg And 155kg) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Fuel Control Lever
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Fuel Tank And Piping
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 5 |
| 01***25 | Bolt - Rear Guard Mounting | 4 |
| 01***85 | Bolt,Front | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Instrument Panel
| 01***16 | Bolt (Welded) | 2 |
| 01***25 | Bolt - Rear Guard Mounting | 6 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Engine Related Parts And Electrical System : Radiator And Piping
| 01***16 | Bolt,(For Slag Handling) | 8 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 5 |
Guard
Komatsu : D41s-3(S/N 6001-Up) : Guard : Equalizer Bar
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 1 |
| 01***35 | Bolt,(For Pedal Steering) | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Guard : Fender And Rear Cover
| 01***25 | Bolt - Rear Guard Mounting | 15 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 5 |
| 01***55 | Bolt,(For France Noise Suppression) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Guard : Floor Plate
| 01***25 | Bolt - Rear Guard Mounting | 17 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 2 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Guard : Hitch And Counter Weight (Op)
| 01***55 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***19 | Nut - M24 | 4 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 8 |
Komatsu : D41s-3(S/N 6001-Up) : Guard : Hitch And Counter Weight(#6001-6068)
| 01***85 | Bolt | 4 |
| 01***20 | Bolt, Fuel Tank Mounting | 4 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 8 |
Komatsu : D41s-3(S/N 6001-Up) : Guard : Hitch And Counter Weight(#6069-)
| 01***90 | Bolt (Kit) | 4 |
| 01***20 | Bolt, Fuel Tank Mounting | 4 |
| 01***60 | Bolt (Ger) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Guard : Mark And Plate? (French)
| 04***60 | Screw, Serial Number Plate | 6 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Guard : Mark And Plate? (German)
| 04***60 | Screw, Serial Number Plate | 6 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Guard : Marks And Plates (English)
| 04***60 | Screw, Serial Number Plate | 6 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 08***01 | Indicator,Dust (Japanese And English) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Guard : Operator'S Seat
| 01***16 | Bolt,(For Slag Handling) | 4 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 8 |
| 01***20 | Bolt,(Used When Towing Winch) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Guard : Operator'S Seat (With Oil Damper? Reclining Device)
| 01***16 | Bolt,(For Slag Handling) | 4 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 9 |
| 01***20 | Bolt,(Used When Towing Winch) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Guard : Radiator Guard And Hood
| 01***25 | Bolt - Rear Guard Mounting | 5 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 22 |
| 01***40 | Bolt,(For Center Guard) | 6 |
Komatsu : D41s-3(S/N 6001-Up) : Guard : Rear Frame Box
| 01***16 | Bolt,(For Slag Handling) | 4 |
| 01***25 | Bolt - Rear Guard Mounting | 16 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 3 |
Komatsu : D41s-3(S/N 6001-Up) : Guard : Under Guard
| 01***25 | Bolt - Rear Guard Mounting | 6 |
| 01***30 | Screw | 14 |
| 01***36 | Washer,Radio Controlled Slag Handling | 6 |
Optional Parts
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Air Conditioner (1/2)
| 01***10 | Bolt, Mount Flasher | 4 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 8 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 8 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Air Conditioner (2/2)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 6 |
| 01***60 | Bolt (M10-1.50x60) | 18 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Air Conditioner Compressor Ass'Y
| 04***20 | Ring, Snap | 1 |
| 14***00 | Compressor Ass'Y | 1 |
| 14***10 | Compressor Ass'Y | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Air Conditioner Condenser Ass'Y
| 01***65 | Bolt,R.H | 4 |
| 01***04 | Nut,(For Air Conditioner Less) | 3 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Air Conditioner Grille Ass'Y
| 14***60 | Wire | 1 |
| 14***50 | Cable | 1 |
| 14***60 | Cable | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Air Conditioner Piping
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 13 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***11 | Nut,(Not Shown) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Air Conditioner Unit Ass'Y
| 14***40 | Grommet | 2 |
| 14***01 | Unit Ass'Y | 1 |
| 14***02 | Unit Ass'Y | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Air Duct
| 01***20 | Bolt,(Large Capacity Type) (Std) | 11 |
| 01***12 | Screw,R.H | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Angle Blade
| 01***42 | Washer,Spring (For Pedal Steering) | 1 |
| 02***60 | Bolt (Op) | 24 |
| 02***16 | Nut (Only For Bucket With Cutting Edge) | 24 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Back-Up Alarm Bracket
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***45 | Bolt | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : C-Frame
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***45 | Bolt, Fuel Tank Mounting - Front Right | 16 |
| 01***45 | Screw | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Canopy
| 01***35 | Bolt,(For Pedal Steering) | 8 |
| 01***50 | Screw | 4 |
| 01***45 | Screw | 8 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Compressor System
| 01***25 | Bolt,(Without Auto Priming System) | 4 |
| 01***45 | Bolt,(S6d155-4b) | 6 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 6 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Control Box
| 01***10 | Screw,(For Lighter) | 4 |
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Fuel Tank With Additional Fuel Strainer
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Head Guard
| 01***35 | Bolt | 24 |
| 01***45 | Bolt,(For Slag Handling) | 16 |
| 01***55 | Bolt,(For Long Track) | 12 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Mount Cushion And Floor Mat
| 01***30 | Bolt,Radio Controlled Slag Handling | 16 |
| 01***45 | Bolt,(For Slag Handling) | 16 |
| 01***22 | Nut (Op) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Operator'S Seat With Oil Damper
| 01***20 | Bolt,(Large Capacity Type) (Std) | 9 |
| 01***25 | Bolt - Rear Guard Mounting | 4 |
| 01***10 | Nut,(Without Air Conditioner) | 8 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Reinforced Mask
| 01***30 | Bolt,Radio Controlled Slag Handling | 8 |
| 01***36 | Washer,Radio Controlled Slag Handling | 8 |
| 12***91 | Plate | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Reinforced Under Guard With Front Hook
| 01***25 | Bolt - Rear Guard Mounting | 6 |
| 01***40 | Bolt,(For Center Guard) | 8 |
| 01***50 | Bolt, Radiator To Frame | 6 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Roof Lining
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 14 |
| 01***10 | Screw,(With Air Conditioner) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Rops Bracket
| 01***50 | Bolt | 2 |
| 01***35 | Bolt | 8 |
| 01***40 | Bolt,(For Center Guard) | 12 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Rops Cab (1/3)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 4 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
| 01***30 | Bolt,(For France Noise Suppression) | 22 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Rops Cab (2/3)
| 01***20 | Bolt | 4 |
| 01***40 | Bolt | 4 |
| 01***16 | Bolt,(For Slag Handling) | 8 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Rops Cab (3/3)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 4 |
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 21 |
| 01***16 | Screw,(With Ashtray) | 28 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Rops Cab Electric
| 01***16 | Bolt (Welded) | 9 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 12 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 6 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Rops Canopy(#6001-.)
| 01***25 | Bolt - Rear Guard Mounting | 14 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 30 |
| 01***55 | Bolt,(For Long Track) | 16 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Vandalism Protection
| 07***20 | Cap Ass'Y,(For Vandalism Protection) | 1 |
| 07***00 | Cap, Locking - Hydraulic Tank Oil Filler Cap | 1 |
| 09***00 | Lock,(With Vandalism Protection) | 5 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts : Window Washer System
| 01***16 | Bolt (Welded) | 6 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
| 01***19 | Washer,(Not Used With Ventilator) | 6 |
Optional Parts (Special Application Parts)
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts (Special Application Parts) : Bucket Control Lever (Noise Suppression For Ec)(#6840-)
| 01***20 | Bolt | 4 |
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts (Special Application Parts) : Fender And Rear Cover (Noise Suppression For Ec)(#6840-)
| 01***25 | Bolt - Rear Guard Mounting | 15 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 5 |
| 01***55 | Bolt,(For France Noise Suppression) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts (Special Application Parts) : Floor Plate (Noise Suppression For Ec)(#6840-)
| 01***25 | Bolt - Rear Guard Mounting | 17 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 2 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts (Special Application Parts) : Mount Cushion And Floor Mat (Noise Suppression For Ec)(#6840-)
| 01***30 | Bolt,Radio Controlled Slag Handling | 16 |
| 01***45 | Bolt,(For Slag Handling) | 16 |
| 01***22 | Nut (Op) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts (Special Application Parts) : Operator'S Seat (Noise Suppression For Ec)(#6840-)
| 01***16 | Bolt,(For Slag Handling) | 4 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 8 |
| 01***20 | Bolt,(Used When Towing Winch) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts (Special Application Parts) : Radiator And Piping (Noise Suppression For Ec)(#6840-)
| 01***16 | Bolt,(For Slag Handling) | 8 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 5 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts (Special Application Parts) : Radiator Guard And Hood (Noise Suppression For Ec)(#6840-)
| 01***55 | Bolt,(For Suction? Reversible Fan) | 10 |
| 01***25 | Bolt - Rear Guard Mounting | 5 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 18 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts (Special Application Parts) : Rear Frame Box (Noise Suppression For Ec)(#6840-)
| 01***16 | Bolt,(For Slag Handling) | 4 |
| 01***25 | Bolt - Rear Guard Mounting | 16 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 3 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts (Special Application Parts) : Rops Bracket (Noise Suppression For Ec)(#6840-)
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts (Special Application Parts) : Rops Canopy (Noise Suppression For Ec)(#6840-)
| 01***25 | Bolt - Rear Guard Mounting | 14 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 16 |
| 01***55 | Bolt,(For Long Track) | 16 |
Komatsu : D41s-3(S/N 6001-Up) : Optional Parts (Special Application Parts) : Under Guard (Noise Suppression For Ec)(#6840-)
| 01***25 | Bolt - Rear Guard Mounting | 6 |
| 01***30 | Screw | 6 |
| 01***40 | Bolt,(With Center Guard) | 6 |
Steering System And Final Drive
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Bevel Gear And Shaft
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
| 01***11 | Nut,(For Center Guard) | 8 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Bevel Pinion
| 01***30 | Bolt,Radio Controlled Slag Handling | 6 |
| 01***36 | Washer,Radio Controlled Slag Handling | 6 |
| 06***15 | Bearing,Roller | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Brake Band
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***40 | Bolt,(For Center Guard) | 8 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Final Drive Gear
| 01***30 | Bolt,(For France Noise Suppression) | 24 |
| 01***25 | Bolt - Rear Guard Mounting | 4 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 12 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Final Drive Housing
| 01***40 | Bolt,(Not Used With Cab) | 50 |
| 01***70 | Bolt,(With Wear Guard) | 8 |
| 01***42 | Washer,Spring (For Pedal Steering) | 50 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Oil Cooler Piping
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 10 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 3 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Parking Brake Lever
| 01***40 | Bolt,(For Position Fixing) | 1 |
| 01***30 | Bolt,(For France Noise Suppression) | 1 |
| 01***25 | Bolt - Rear Guard Mounting | 3 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Sprocket And Shaft (Except Japan)
| 01***40 | Bolt,(Not Used With Cab) | 8 |
| 01***70 | Bolt - Thrust Plate Mounting | 12 |
| 01***55 | Bolt, Strut Mounting - To Radiator And Rear Frame | 8 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Steering Case And Main Frame
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 4 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 4 |
| 01***25 | Bolt,(For Slag Handling) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Steering Case Cover
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Steering Clutch
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 24 |
| 01***12 | Screw,(D31s) | 2 |
| 01***10 | Nut (K10) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Steering Control Linkage
| 01***30 | Bolt,Radio Controlled Slag Handling | 4 |
| 01***08 | Nut? L.H. Thread,L.H. Thread | 2 |
| 01***10 | Nut,(Without Air Conditioner) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Steering Control Valve
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 8 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 1 |
| 01***80 | Bolt,(Shim 5 Pieces Over) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Steering Filter
| 01***30 | Bolt,Radio Controlled Slag Handling | 3 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 2 |
| 01***36 | Washer,Radio Controlled Slag Handling | 5 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Steering Oil Piping
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***40 | Bolt,(For Position Fixing) | 4 |
| 01***30 | Bolt,(For France Noise Suppression) | 6 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Steering Pedal
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 8 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Steering System And Final Drive : Steering Pump
| 04***18 | Ring, Retaining | 1 |
| 70***10 | Pump Ass'Y,(Sar040) | 1 |
| 70***10 | Seal, Oil | 1 |
Tool And Kit
Komatsu : D41s-3(S/N 6001-Up) : Tool And Kit : Clothes (Except Japan)
| 09***50 | Overall,(Special Order) | 1 |
| 09***57 | Cap,(Special Order) | 1 |
| 12***20 | Clothes Kit | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Tool And Kit : Service Kit
| 01***16 | Washer,Lock (Kit) | 2 |
| 04***15 | Pin,Cotter (Kit) | 1 |
| 07***12 | O-Ring, Between Valve And Pump | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Tool And Kit : Spare Parts (Except Japan)
| 04***55 | V-Belt Set,(For Trimming Dozer) | 1 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 1 |
| 07***01 | Fitting,(With Body Positioner) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Tool And Kit : Tool (Except Japan)
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***00 | Nozzle, Grease Pump (Flexible Type) | 1 |
Track
Komatsu : D41s-3(S/N 6001-Up) : Track : Carrier Roller
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***45 | Bolt,(For Slag Handling) | 8 |
Komatsu : D41s-3(S/N 6001-Up) : Track : Idler
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***40 | Bolt,(Not Used With Cab) | 8 |
| 01***13 | Nut - Cylinder Mounting | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Track : Recoil Spring
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 6 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 12 |
Komatsu : D41s-3(S/N 6001-Up) : Track : Track Frame (Except Japan)
| 01***30 | Bolt,(For Center Guard) | 30 |
| 01***40 | Bolt,(Not Used With Cab) | 2 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Lower) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Track : Track Roller(#6001-8191)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***55 | Bolt,(For Long Track) | 40 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 12 |
Komatsu : D41s-3(S/N 6001-Up) : Track : Track Shoe (Lubricate Type)(#6001-6206)
| 01***22 | Nut? Shoe (Kit) | 280 |
| 12***20 | Track Link Ass'Y | 1 |
| 12***21 | Track Link Ass'Y | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Track : Track Shoe (Lubricate Type)(#6207-)
| 01***22 | Nut? Shoe (Kit) | 280 |
| 07***30 | Plug,(Large) | 74 |
| 07***21 | Plug,(Small) | 74 |
Komatsu : D41s-3(S/N 6001-Up) : Track : Track Shoe (Master Pin Type)
Work Equipment
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment : Bucket
| 01***15 | Nut | 4 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 4 |
| 09***20 | Bolt | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment : Lift Arm
| 01***25 | Bolt - Rear Guard Mounting | 4 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 4 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Lower) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment : Side Frame
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***25 | Bolt - Rear Guard Mounting | 4 |
| 01***45 | Bolt,(For Slag Handling) | 4 |
Work Equipment Control System
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment Control System : Bucket Control Lever
| 01***20 | Bolt | 4 |
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment Control System : Bucket Control Linkage
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment Control System : Bucket Control Lock Lever
| 01***55 | Bolt | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***19 | Washer,(Not Used With Ventilator) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment Control System : Bucket Dump Cylinder
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***11 | Nut,(With Under Mirror) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment Control System : Bucket Lift Cylinder
| 01***11 | Nut,(With Under Mirror) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***15 | O-Ring,(Y1621-01a0-10) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Control Valve (1/2)
| 01***20 | Bolt (Itl) | 4 |
| 01***25 | Bolt, Seal Cover Mounting | 2 |
| 01***30 | Bolt | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Control Valve (2/2)
| 01***05 | Nut,(For Air Conditioner Less), Nut | 1 |
| 07***12 | O-Ring (Itl) | 1 |
| 07***12 | Ring,Back-Up; Was 07001-02012, Ring,Back-Up (Itl) | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Oil Piping (Tank To Pump To Valve)
| 01***40 | Bolt,(For Position Fixing) | 4 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 6 |
| 01***25 | Bolt - Rear Guard Mounting | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Oil Piping (Valve To Dump Cylinder)
| 01***25 | Bolt - Rear Guard Mounting | 4 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 2 |
| 01***30 | Bolt,(For Center Guard) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Oil Piping (Valve To Lift Cylinder)
| 01***45 | Bolt,(For Suction? Reversible Fan) | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
| 07***34 | O-Ring (K32) | 2 |
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Pump
| 04***18 | Ring, Retaining | 1 |
| 70***10 | Pump Ass'Y,(Sar 050) | 1 |
| 70***10 | Seal, Oil | 1 |
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment Control System : Hydraulic Tank And Filter
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 10 |
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***30 | Bolt,(For Center Guard) | 4 |
Komatsu : D41s-3(S/N 6001-Up) : Work Equipment Control System : Kick Out And Bucket Positioner
| 01***25 | Bolt (M6-1.00x25) | 3 |
| 01***30 | Bolt | 3 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
D41S-3(S/N 6001-UP) serial number reference
The serial number plate is located on the front frame casting, typically near the operator's left side by the radiator support. To identify your machine, match the serial range listed in the parts catalog to the number printed on this physical machine plate.
| Prefix | Identifies | Notes |
|---|---|---|
| D41S-3 | Standard Crawler Dozer | Serial range starts at 6001-UP. This configuration features a standard chassis and is part of the D-series crawler dozer family. |
Frequently asked questions
What engine is used in the Komatsu D41S-3?
The machine is powered by a Komatsu 6D105, 4-cycle, water-cooled diesel engine with a displacement of approximately 6.5 L (396 cu in).
What is the operating weight of this model?
The standard operating weight for the D4/S-3 is approximately 24,339 lb (11,040 kg).
What replaced the D41S-3?
The D41S-3 was part of a lineage of Komatsu D-series dozers; specific successor models vary by regional market and emissions requirements.
What D41S-3(S/N 6001-UP) owners discuss
What are the primary symptoms of transmission failure in the Hydroshift system?
Operators report significant power loss in reverse and slipping during operation. A critical indicator is rapid hydraulic oil heating, where oil temperature rises significantly even after only 5 minutes of use.
What common fuel system issues are reported for the Diesel Kiki injection pump?
Worn internal elements can cause erratic engine RPM (surging between 0 and 500 RPM) and a loss of power. Additionally, banjo bolt filters are prone to clogging, which restricts fuel flow.
What specific mechanical risk is associated with the injection pump maintenance?
Missing oil fill plugs on the injection pumps can lead to catastrophic bearing damage.
What steering component failure has been documented for this series?
Intermittent or total failure of the left steering brake has been reported, where the steering may stop responding entirely.
What are the typical engine specifications for the D41S-3 (S/N 6001-UP)?
The machine utilizes a Komatsu 6D105-1, 4-cycle, water-cooled diesel engine. It features a 6.49 L (3CL 396 cu in) displacement with a 105 mm (4.13 in) bore and 125 mm (4.92 in) stroke. Net power is approximately 89.8 hp (67 kW) at 2,350 RPM.
What should be checked when inspecting a used D41S-3 (S/N 6001-UP) for theft or fraud?
Verify that the serial number on the factory riveted plate (located on the front frame casting near the radiator support) matches the number stamped into the chassis frame. A mismatch is a primary signal of stolen equipment.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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