Komatsu D45S-1(S/N 1501-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu D45S-1 is a heavy crawler bulldozer designed for mass earthmoving and production work. It is part of the D45 series, which includes the D45A-1 and D45P-1 variants, with the S/N 1501-UP range specifically identifying the D45S-1 configuration. The machine is engineered for high durability in demanding environments, featuring a robust powertrain and undercarriage. Configurations offered typically include standard dozer setups with varying blade and ripper options to suit specific job site requirements. The D45S-1 succeeded earlier D45 models and was eventually replaced by newer generations in Komatsu's lineup, maintaining a legacy of reliable heavy-duty performance.
Across the D45 series generations, Komatsu refined engine efficiency, hydraulic responsiveness, and operator comfort while maintaining the core structural integrity required for heavy ripping and pushing. The D45S-1 remains significant in the used and parts market due to its widespread deployment in mining and large-scale construction projects. Its modular design allows for extensive parts availability, making it a cost-effective option for fleet managers seeking reliable heavy dozers. The machine's longevity is supported by a strong network of service manuals and component interchangeability within the D45 family, ensuring continued support long after production ceased.
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 D45S-1(S/N 1501-UP) specifications
Engine
| Engine Model | S4D105-1 |
| Number of Cylinders | 4 |
| Displacement | 242.9 cu in (3,980 cm³) |
| Gross Power | 90 hp (67 kW) |
| Power Measured At | 2400 rpm |
Weights
| Operating Weight | 9,550 kg (21,054.2 lb) |
Dimensions
| Transport Length | 4.91 m (16.1 ft) |
| Transport Width | 1.95 m (6.4 ft) |
| Transport Height | 2.75 m (9.0 ft) |
| Length w/ Blade | 13.95 ft (4.25 m) |
| Length w/o Blade | 10.8 ft (3.3 m) |
| Width Over Tracks | 6.37 ft (1.94 m) |
| Height to Top of Cab | 8.6 ft (2.62 m) |
| Length of Track on Ground | 6.76 ft (2.06 m) |
| Ground Clearance | 1.19 ft (0.36 m) |
| Track Gauge | 5.06 ft (1.54 m) |
| Track Width | 400 mm (15.75 in) |
| Number of Shoes Per Side | 37 |
| Number of Carrier Rollers Per Side | 1 |
| Number of Track Rollers Per Side | 5 |
| Track Pitch | 6.89 in (175 mm) |
Performance
| Travel Speed - Forward | 5.6 mph (9.0 km/h) |
| Travel Speed - Reverse | 6.8 mph (10.9 km/h) |
| Ground Pressure | 7.17 psi (49.4 kPa) |
| Soil Pressure | 0.66 kg/cm² (64.7 kPa) |
| Transmission Type | TF |
| Number of Forward Gears | 3 |
| Number of Reverse Gears | 3 |
Blades
| Standard Blade Width | 10.4 ft (3.17 m) |
| Standard Blade Height | 29.6 in (0.75 m) |
| Standard Blade Cutting Depth | 15 in (0.38 m) |
Service Capacities
| Fuel Capacity | 55.5 gal (210 L) |
| Cooling System Fluid Capacity | 11.4 gal (43 L) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Komatsu D45S-1(S/N 1501-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 D45S-1(S/N 1501-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize KOWA fluid analysis at every 500-hour interval to monitor engine wear metals, hydraulic contamination, and coolant condition. Track ISO cleanliness levels in the hydraulic system to prevent pump and valve damage. Monitor transmission and final drive oil for viscosity changes and metal content. Use KOMTRAX telematics to track load frequency and fault codes, allowing for proactive scheduling of fluid changes before critical thresholds are reached. Regular SCA testing of the coolant ensures proper inhibitor levels to protect the engine block and radiator from corrosion and cavitation.
Corrective & Common Repairs
Address common D45S-1 issues by inspecting the turbocharger for boost leaks and carbon buildup at 1,000-hour intervals. Check the air filter restriction indicator frequently and replace the outer element as needed to prevent engine ingestion of contaminants. Inspect the hydraulic return filter for clogging, which can cause overheating. Verify the condition of the fuel filter and water separator to protect the injection system. Tighten ROPS bolts and cutting edge bolts to specification to prevent structural fatigue and blade detachment during heavy pushing operations.
Overhaul & Rebuild Points
Plan for major component overhauls based on wear measurements taken at 1,000-hour intervals. Inspect the final drive gears and bearings for pitting or excessive backlash. Evaluate the undercarriage components, including track chains, sprockets, and rollers, for elongation and wear. The transmission and torque converter should be serviced comprehensively at 2,000-hour intervals. Monitor engine compression and valve clearances to determine the optimal time for an engine rebuild. Structural welds on the chassis and blade mounts should be inspected for cracks during major service intervals.
Seasonal & Environment Servicing
In cold climates, ensure the coolant mixture is appropriate for the lowest expected temperatures to prevent block cracking. Check the battery hold-down and terminals for corrosion, which is exacerbated by temperature fluctuations. In dusty environments, inspect the air cleaner pre-cleaner and outer element more frequently than standard intervals. Clear debris from the radiator and oil cooler fins daily to prevent overheating in high-temperature operations. Verify the condition of all seals and hoses, as UV exposure and heat can accelerate degradation of rubber components.
D45S-1(S/N 1501-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 07000-02075 | O-Ring,Steering Oil Filter | Lubrication service | Check fitment → |
| 600-181-8210 | Element,Outer | Scheduled service item | Check fitment → |
| 600-181-8310 | Element,Inner | Scheduled service item | Check fitment → |
| 6131-81-7030 | Element Ass'Y | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
D45S-1(S/N 1501-UP) attachments & work tools
Blades
The D45S-1(S/N 1501-UP) supports S, SU, and A blade types, with VPAT availability varying by configuration and series. Typical widths and capacities are not documented for this exact serial range in the provided sources.
Rippers
Multi-shank and single-shank ripper options are available for this class, with weights varying by configuration and series. Specific weight data for the D45S-1(S/N 1501-UP) is not documented in the provided sources.
Winches
Towing winch options are available for the D45S-1(S/N 1501-UP), with the specific class fitting varying by configuration and series. Detailed winch specifications are not documented for this exact serial range in the provided sources.
Drawbars/Counterweights
Drawbars and counterweights are available for the D45S-1(S/N 1501-UP), with specific configurations varying by configuration and series. Detailed specifications are not documented for this exact serial range in the provided sources.
Cab/ROPS Guarding
Forestry and waste configuration guarding options are available for the D45S-1(S/N 1501-UP), with specific setups varying by configuration and series. Detailed guarding specifications are not documented for this exact serial range in the provided sources.
Hydraulic Arrangement
Front and rear tool hydraulic arrangements for the D45S-1(S/N 1501-UP) are detailed in the factory spec sheet and operation and maintenance manual. Specific flow rates and pressures are not documented for this exact serial range in the provided sources.
All D45S-1(S/N 1501-UP) assemblies by section
Every catalogued assembly group for the Komatsu D45S-1(S/N 1501-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Engine Related Parts And Electrical System
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Battery
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***18 | Bolt | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Compression Release Lever(#1501-1800)
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Electrical System
| 01***16 | Bolt (Welded) | 4 |
| 01***16 | Bolt,(For Slag Handling) | 4 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 9 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Electrical System(#1501-1800)
| 01***16 | Bolt,(For Slag Handling) | 3 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 17 |
| 01***20 | Bolt,(Used When Towing Winch) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts(#1501-1800)
| 01***40 | Bolt,(Not Used With Cab) | 4 |
| 01***05 | Bolt | 4 |
| 01***42 | Washer,Spring (For Pedal Steering) | 8 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts(#1801-)
| 01***50 | Bolt | 2 |
| 01***20 | Bolt,Front (Except Japan) | 2 |
| 01***25 | Bolt | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Fuel Control Lever(#1501-1800)
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 1 |
| 01***22 | Bolt | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Fuel Control Lever(#1801-)
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 1 |
| 01***22 | Bolt | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Fuel Tank (With Fuel Strainer) (Except Japan)(#1801-)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***25 | Bolt,(For Slag Handling) | 6 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Fuel Tank(#1501-1800)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 4 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 6 |
| 01***25 | Bolt,(For Slag Handling) | 6 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Fuel Tank(#1801-)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***25 | Bolt,(For Slag Handling) | 6 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Instrument Panel(#1501-1800)
| 01***10 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***20 | Bolt,(Without Maintenance Monitor) | 2 |
| 01***20 | Screw | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Instrument Panel(#1801-)
| 01***10 | Bolt, Mount Flasher | 2 |
| 01***12 | Bolt,(Without R.P.C.U.) | 2 |
| 01***20 | Bolt,(Used When Towing Winch) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Radiator Cover And Piping(#1501-1800)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 10 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***25 | Bolt - Rear Guard Mounting | 12 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Radiator Cover And Piping(#1801-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 10 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***25 | Bolt - Rear Guard Mounting | 12 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Radiator(#1501-1800)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 44 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 4 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 12 |
Komatsu : D45s-1(S/N 1501-Up) : Engine Related Parts And Electrical System : Radiator(#1801-)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 44 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 8 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 12 |
Guard
Komatsu : D45s-1(S/N 1501-Up) : Guard : Bottom Guard
| 01***25 | Bolt - Rear Guard Mounting | 6 |
| 01***35 | Bolt,(For Pedal Steering) | 12 |
| 01***36 | Washer,Radio Controlled Slag Handling | 6 |
Komatsu : D45s-1(S/N 1501-Up) : Guard : Dashboard And Floor Plate(#1501-1800)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
| 01***25 | Bolt - Rear Guard Mounting | 16 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 20 |
Komatsu : D45s-1(S/N 1501-Up) : Guard : Dashboard And Floor Plate(#1801-)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 8 |
| 01***20 | Bolt,(Used When Towing Winch) | 3 |
Komatsu : D45s-1(S/N 1501-Up) : Guard : Engine Hood And Guard(#1501-1800)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***20 | Bolt,(Used When Towing Winch) | 8 |
| 01***25 | Bolt - Rear Guard Mounting | 16 |
Komatsu : D45s-1(S/N 1501-Up) : Guard : Engine Hood And Guard(#1801-)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Guard : Equalizer Bar(#1501-1800)
| 01***35 | Bolt | 2 |
| 01***42 | Washer,Spring (For Pedal Steering) | 2 |
| 04***50 | Pin,Cotter (Except D40pll) | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Guard : Equalizer Bar(#1801-)
| 01***35 | Bolt,(For Pedal Steering) | 2 |
| 01***35 | Bolt | 2 |
| 01***42 | Washer,Spring (For Pedal Steering) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Guard : Fender And Rear Cover
| 01***25 | Bolt - Rear Guard Mounting | 17 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 9 |
| 01***60 | Bolt, Trunnion Cap | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Guard : Frame And Cover(#1501-1800)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 7 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Guard : Frame And Cover(#1801-)
| 01***16 | Bolt,(For Slag Handling) | 4 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 12 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Guard : Hitch
| 01***90 | Bolt (Kit) | 4 |
| 01***60 | Bolt (Ger) | 1 |
| 01***15 | Nut (Ger) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Guard : Mark And Plate(#1501-1800)
| 04***60 | Screw, Serial Number Plate | 4 |
| 09***35 | Plate? Name,Machine (Limited Supply) | 1 |
| 09***00 | Plate? Instruction,Stopping The Engine | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Guard : Mark And Plate(#1801-)
| 04***60 | Screw, Serial Number Plate | 4 |
| 09***35 | Plate? Name,Machine (Limited Supply) | 1 |
| 09***01 | Plate? Instruction,Radiator Level | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Guard : Operator'S Seat(#1501-1800)
| 01***30 | Bolt,(Cold Terrain Spec.) | 4 |
| 01***75 | Bolt,(See Fig.0142) | 1 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Guard : Operator'S Seat(#1801-)
| 01***30 | Bolt,(Cold Terrain Spec.) | 4 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 8 |
Optional Parts
Komatsu : D45s-1(S/N 1501-Up) : Optional Parts : Canopy
| 01***35 | Bolt,(For Pedal Steering) | 8 |
| 01***42 | Washer,Spring (For Pedal Steering) | 8 |
| 12***10 | Canopy Ass'Y | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Optional Parts : Counter Weight
| 01***95 | Bolt | 6 |
| 01***60 | Bolt (Itl) | 1 |
| 01***85 | Stud | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Optional Parts : Engine Related Parts (For Tunnel Spec.)(#1801-)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 4 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Optional Parts : Head Guard(#1801-)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 4 |
| 01***35 | Bolt | 24 |
| 01***40 | Bolt,(For Center Guard) | 8 |
Komatsu : D45s-1(S/N 1501-Up) : Optional Parts : Perforated Radiator Mask
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 4 |
| 04***35 | Pin,Cotter | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Optional Parts : Radiator Dust Proof Grid
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 6 |
| 12***73 | Support,R.H | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Optional Parts : Strengthened Lower Guard
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 12 |
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 6 |
Komatsu : D45s-1(S/N 1501-Up) : Optional Parts : Vandalism Protection
| 07***00 | Cap,(For Vandalism) (Not Shown) (Op) | 1 |
| 07***00 | Cap, Locking - Hydraulic Tank Oil Filler Cap | 1 |
| 07***00 | Cap,(For Vandalism Protection) | 1 |
S4d105-1d S/N 22068-Up
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Air Intake Connection And Air Cleaner
| 01***16 | Bolt,(For Slag Handling) | 3 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Air Intake Connection And Air Cleaner (Tunnel Spec.)(#60265-)
| 01***16 | Bolt,(For Slag Handling) | 3 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Alternator (25a)
| 60***50 | Alternator A. (25a) | 1 |
| KD***30 | Holder,Brush | 1 |
| KD***72 | Slip Ring Ass'Y | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Alternator And Mounting
| 01***40 | Bolt,(Dust And Dirt Protection) | 1 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 1 |
| 01***25 | Bolt | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Camshaft And Tappet
| 01***18 | Bolt | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***65 | Bolt,(For Suction Fan)(4d130-1d) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Crankshaft
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 02***04 | Plug,(Not Shown) | 4 |
| 04***25 | Key | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Cylinder Block
| 01***30 | Bolt,Radio Controlled Slag Handling | 7 |
| 01***65 | Bolt | 3 |
| 01***36 | Washer,Radio Controlled Slag Handling | 7 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Cylinder Head
| 01***16 | Bolt,(For Slag Handling) | 6 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 6 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Cylinder Head Cover
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Exhaust Manifold And Muffler
| 01***11 | Nut (M14-1.50 Thd), Nut; Was 01582-01411 | 2 |
| 01***16 | Washer,Radio Controlled Slag Handling | 3 |
| 01***23 | Plain Washer | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Exhaust Manifold And Muffler (Tunnel Spec.)(#60265-)
| 01***16 | Washer,Radio Controlled Slag Handling | 3 |
| 01***10 | Washer | 2 |
| 02***38 | Bolt | 4 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Flywheel And Flywheel Housing
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 15 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 5 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 8 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Front Cover
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Fuel Filter And Mounting
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 6 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Fuel Injection Pump (Feed Pump)
| DK***20 | Housing | 1 |
| DK***10 | Feed Pump Ass'Y | 1 |
| DK***00 | Spring,Piston | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Fuel Injection Pump (Governor)
| DK***00 | Adapter | 1 |
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Collar | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Fuel Injection Pump (Governor) (Tunnel Spec.)
| DK***80 | Shim? 0.5mm | 0 |
| DK***00 | Adapter | 1 |
| DK***20 | Lever | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Fuel Injection Pump (Pump)
| 61***80 | Injection Pump Ass'Y,(Tunnel Spec.) | 1 |
| 61***10 | Injection Pump Ass'Y | 1 |
| DK***30 | Bearing | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Fuel Injection Pump And Piping
| 01***25 | Bolt (M6-1.00x25) | 1 |
| 01***35 | Stud | 6 |
| 01***35 | Stud | 4 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Fuel Injection Pump And Piping (Tunnel Spec.)(#60265-)
| 01***25 | Bolt (M6-1.00x25) | 1 |
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***35 | Stud | 4 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Fuel Nozzle And Spill Pipie
| 01***65 | Bolt | 8 |
| 07***12 | Gasket,Mechanical Pump Piping | 6 |
| 07***37 | Clamp, Overflow Hose | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Gasket Kit
| 01***23 | Washer,Lock (K2) | 1 |
| 07***65 | O-Ring,Injection Pump Case | 1 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Intake Air Heater(#44583-60264)
| 01***16 | Bolt,(For Slag Handling) | 1 |
| 01***05 | Nut (Welded) | 2 |
| 01***19 | Washer,(Not Used With Ventilator) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Intake Air Heater(#60265-)
| 01***16 | Bolt (Welded) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***19 | Washer,(Not Used With Ventilator) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Lubricating Oil Filter And Oil Cooler
| 01***16 | Bolt,(For Slag Handling) | 8 |
| 01***25 | Bolt,(Without Auto Priming System) | 1 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Lubricating Oil Pump
| 01***30 | Bolt,(For France Noise Suppression) | 8 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 8 |
| 01***16 | Washer,Radio Controlled Slag Handling | 8 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Lubricating Oil Strainer
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 5 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Oil Pan
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 23 |
| 01***30 | Bolt,(For France Noise Suppression) | 3 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Piston And Connecting Rod
| 61***14 | Bolt | 2 |
| 61***15 | Bolt,(Service Parts) | 2 |
| 61***22 | Nut,(Service Parts) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Resistor And Heater Signal(#44583-60264)
| 61***50 | Resistor | 1 |
| 61***21 | Signal,Heater | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Rocker Arm
| 01***12 | Bolt,(Without R.P.C.U.) | 1 |
| 01***80 | Bolt,(Shim 5 Pieces Over) | 4 |
| 01***19 | Washer,(Not Used With Ventilator) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Starting Motor
| 60***40 | Starting Motor Ass'Y,(Dust And Drip Proof Type) | 1 |
| 60***41 | Starting Motor Ass'Y,(See Fig.1545) | 1 |
| 60***42 | Starting Motor A.,(5.5kw) (See Fig.2546) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-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 : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Tubrocharger (Except Japan)
| 61***00 | Turbocharger Ass'Y,(See Fig.1141) | 1 |
| 61***01 | Turbocharger Ass'Y,(See Fig.1141) | 1 |
| 61***02 | Turbocharger Ass'Y,(See Fig.1141) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Turbocharger Lubricating Oil Piping
| 01***22 | Bolt,(Cold Terrain Spec.) | 4 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 4 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-1d S/N 22068-Up : Water Pump And Cooling Fan
| 01***16 | Bolt,(For Slag Handling) | 4 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***50 | Bolt,(For Trimming Dozer) | 1 |
S4d105-2d S/N 22068-Up
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Air Intake Connection And Air Cleaner
| 01***22 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***25 | Bolt,(Without Auto Priming System) | 4 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Alternator
| 60***50 | Alternator A. (13a),(With Non Hardening Pulley) | 1 |
| KD***30 | Holder,Brush | 1 |
| KD***80 | Packing | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Alternator (800w)
| 60***70 | Alternator A | 1 |
| KD***40 | Front Bracket A | 1 |
| KD***80 | Plate | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Alternator And Mounting
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 1 |
| 01***55 | Bolt,(For Suction? Reversible Fan) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Balancer Shaft
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 4 |
| 04***19 | Key,(Dk025805-1910) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Camshaft And Tappet
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Compression Release
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***25 | Bolt,(Without Auto Priming System) | 1 |
| 01***05 | Nut (Welded) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Crankshaft And Timing Gear
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 02***04 | Plug,(Not Shown) | 4 |
| 04***25 | Key | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Cylinder Block
| 01***55 | Bolt,(For Suction? Reversible Fan) | 4 |
| 01***65 | Bolt | 3 |
| 04***14 | Pin, Dowel | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Cylinder Head
| 01***16 | Bolt,(For Slag Handling) | 6 |
| 01***35 | Stud | 8 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 6 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Cylinder Head Cover
| 01***22 | Bolt,(Cold Terrain Spec.) | 10 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Exhaust Manifold And Muffler
| 01***35 | Stud | 1 |
| 01***11 | Nut (M14-1.50 Thd), Nut; Was 01582-01411 | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Flywheel And Flywheel Housing
| 01***14 | Bolt | 3 |
| 01***18 | Bolt | 6 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 17 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Front Cover And Support
| 01***12 | Bolt,(Without R.P.C.U.) | 2 |
| 01***22 | Bolt | 2 |
| 01***45 | Bolt,(For Suction? Reversible Fan) | 10 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Fuel Filter And Mounting
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
| 07***12 | Gasket,Mechanical Pump Piping | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Fuel Injection Pump (Feed Pump)
| 61***10 | Injection Pump A.,(See Fig.451) | 1 |
| 61***11 | Injection Pump A | 1 |
| DK***20 | Housing | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Fuel Injection Pump (Governor)
| 61***10 | Injection Pump A.,(See Fig.451) | 1 |
| DK***00 | Adapter | 1 |
| DK***20 | Capsule,Spring | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Fuel Injection Pump (Pump)
| 61***10 | Injection Pump A.,(See Fig.451) | 1 |
| 61***11 | Injection Pump A | 1 |
| DK***00 | Shim? 0.85mm | 0 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Fuel Injection Pump And Piping
| 01***16 | Bolt (Welded) | 1 |
| 01***18 | Bolt | 4 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 10 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Fuel Nozzle And Spill Pipe
| 01***65 | Bolt | 8 |
| 07***12 | Gasket,Mechanical Pump Piping | 6 |
| 07***37 | Clamp, Overflow Hose | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Gasket Kit
| 01***12 | Washer,Lock (K2) | 1 |
| 01***08 | Washer,Lock (Kit) | 1 |
| 01***16 | Washer,Lock (K2) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Lubricating Oil Cooler
| 01***35 | Bolt, Mounting - Flywheel Housing End | 8 |
| 01***08 | Screw | 4 |
| 01***08 | Nut,R.H. Thread | 4 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Lubricating Oil Filter
| 01***30 | Bolt,(For France Noise Suppression) | 1 |
| 01***80 | Bolt, Mount Strainer Flange | 2 |
| 01***04 | Nut | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Lubricating Oil Pump
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Lubricating Oil Strainer
| 01***22 | Bolt | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***55 | Bolt,(For Suction? Reversible Fan) | 3 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Oil Pan
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 28 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Piston And Connecting Rod
| 61***15 | Bolt,(Service Parts) | 2 |
| 61***22 | Nut,(Service Parts) | 2 |
| 61***30 | Washer,(Service Parts) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Rocker Arm And Housing
| 01***12 | Bolt,(Without R.P.C.U.) | 1 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***85 | Bolt | 15 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Safety Relay And Resistor
| 60***30 | Resistor | 1 |
| 60***10 | Alternator A | 1 |
| 60***10 | Regulator Ass'Y,For 35a Alternator (Not Shown) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Starting Motor And Mounting
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 3 |
| 01***36 | Washer,Radio Controlled Slag Handling | 3 |
| 60***70 | Starting Motor A.,(See Fig.545) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Starting Motor(#.-)
| 60***71 | Starting Motor A | 1 |
| KD***10 | Clutch Ass'Y,Over Running | 1 |
| KD***80 | Shift Lever Ass'Y | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Starting Motor(#18273-.)
| 60***70 | Starting Motor A.,(See Fig.545) | 1 |
| KD***90 | Cover | 1 |
| KD***90 | Center Bracket A | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Thermostat And Piping(#18273-25354)
| 01***12 | Bolt (M8-1.25x12) | 3 |
| 01***22 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 6 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Thermostat And Piping(#25355-)
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***05 | Nut (Welded) | 2 |
| 01***19 | Washer,(Not Used With Ventilator) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Turbocharger (Except Japan)
| 61***01 | Turbocharger Ass'Y,(See Fig.141) | 1 |
| 61***02 | Turbocharger Ass'Y,(See Fig.141) | 1 |
| 61***03 | Turbocharger Ass'Y,(See Fig.141) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Turbocharger Lubricating Oil Piping
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***22 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 4 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Water Pipe And Thermostat
| 01***18 | Bolt | 3 |
| 01***22 | Bolt,(Cold Terrain Spec.) | 9 |
| 01***35 | Bolt,(Without Auto Priming System) | 3 |
Komatsu : D45s-1(S/N 1501-Up) : S4d105-2d S/N 22068-Up : Water Pump And Cooling Fan
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***25 | Bolt,(Without Auto Priming System) | 8 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 6 |
Steering System And Final Drive
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Bevel Gear And Shaft
| 01***10 | Bolt, Mount Flasher | 4 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 6 |
| 01***20 | Bolt | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Brake Band
| 01***40 | Bolt,(Not Used With Cab) | 8 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 2 |
| 01***42 | Washer,Spring (For Pedal Steering) | 8 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Brake Lock Lever(#1801-)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
| 04***24 | Pin, Spring | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Final Drive Gear
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 24 |
| 01***20 | Bolt,(Used When Towing Winch) | 4 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 12 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Final Drive Housing
| 01***18 | Bolt (Op) | 20 |
| 01***30 | Bolt,(For Center Guard) | 8 |
| 01***40 | Bolt,(Not Used With Cab) | 50 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Inching And Brake Pedal(#1801-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 3 |
| 01***05 | Nut (Welded) | 1 |
| 01***10 | Nut,(Without Air Conditioner) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Sprocket And Shaft
| 01***25 | Bolt,(Without Auto Priming System) | 16 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 12 |
| 01***40 | Bolt,(Not Used With Cab) | 8 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Case And Main Frame
| 01***12 | Bolt (M8-1.25x12) | 2 |
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***25 | Bolt,(For Slag Handling) | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Case Cover (1/2)(#1501-1800)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 6 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Case Cover (1/2)(#1801-)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 8 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 4 |
| 01***40 | Bolt,(Not Used With Cab) | 18 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Case Cover (2/2)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Clutch
| 01***10 | Nut (K10) | 2 |
| 04***30 | Ring,Snap? Sprocket | 2 |
| 06***15 | Bearing | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Control Valve (1/2)
| 01***35 | Bolt,(Without Auto Priming System) | 2 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 1 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Control Valve (2/2)
| 01***18 | Bolt | 5 |
| 01***06 | Nut, Regular Hexagon (M8-1.25) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 5 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Filter
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
| 07***10 | O-Ring,(F4350-62a0 -5 ), O-Ring; Komatsu S/N 22***01 & Abv - Was 07000-02010, O-Ring; Was 07000-02010 | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Pedal And Inching(#1501-1800)
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 4 |
| 01***25 | Bolt - Rear Guard Mounting | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Pedal Linkage(#1501-1800)
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Lower) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Pedal Linkage(#1801-)
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***11 | Nut - Mounting | 2 |
| 01***07 | Nut | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Pedal(#1801-)
| 01***30 | Bolt,Radio Controlled Slag Handling | 8 |
| 01***10 | Nut,(Dust?Drip Proof? Trimming S.) | 2 |
| 01***10 | Nut,(Fig.F2820-01a3-12) | 8 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Piping(#1501-1800)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 6 |
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Piping(#1801-)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 6 |
| 01***30 | Bolt,(For France Noise Suppression) | 10 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Steering System And Final Drive : Steering Pump
| 04***18 | Ring, Snap | 1 |
| 07***60 | Seal,Oil | 1 |
| 07***01 | Pump Ass'Y,(See Fig.341) | 1 |
Tool And Kit
Komatsu : D45s-1(S/N 1501-Up) : Tool And Kit : Service Kit
| 07***80 | O-Ring (Kit) | 1 |
| 07***14 | O-Ring | 1 |
| 07***70 | O-Ring,(For Slag Handling) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Tool And Kit : Tool
| 07***00 | Pump,Grease | 1 |
| 07***00 | Pump,Grease | 1 |
| 07***00 | Cartridge,Grease | 1 |
Torque Convertor And Transmission
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : 1st Clutch
| 04***14 | Pin, Dowel | 1 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 3 |
| 04***30 | Ring, Retaining | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : 2nd Clutch And 3rd Clutch
| 01***60 | Bolt (M10-1.50x60) | 6 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 8 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 6 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Damper(#1501-1800)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***18 | Bolt (Op) | 12 |
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Damper(#1801-)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***18 | Bolt (Op) | 12 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Forward Clutch And Reverse Clutch
| 04***20 | Ring, Retaining | 1 |
| 04***20 | Ring, Retainer | 1 |
| 04***30 | Ring, Snap, Snap-Ring | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Torque Convertor Housing(#1801-)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Torque Convertor Housing(#K1001-1201)
| 01***16 | Bolt,(For Slag Handling) | 4 |
| 01***30 | Bolt,(For France Noise Suppression) | 11 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 6 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Torque Convertor Oil Pump And Filter(#1501-1800)
| 01***30 | Bolt,(Cold Terrain Spec.) | 4 |
| 01***30 | Bolt,(For France Noise Suppression) | 7 |
| 01***07 | Castle Nut | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Torque Convertor Valve(#1501-1800)
| 01***65 | Bolt,(For Suction Fan)(4d130-1d) | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
| 07***22 | O-Ring,(For Slag Handling) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Torque Convertor Valve(#1801-)
| 01***65 | Bolt,(For Suction Fan)(4d130-1d) | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
| 04***87 | Ball | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Transmission Case
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***30 | Bolt,(For France Noise Suppression) | 14 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 16 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Transmission Case Cover And Lever
| 01***18 | Bolt | 4 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 10 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Transmission Control Lever
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 3 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Transmission Control Valve (1/2)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***06 | Nut, Regular Hexagon (M8-1.25) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Transmission Control Valve (2/2)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***55 | Bolt,(For Suction? Reversible Fan) | 4 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Transmission Lubrication Valve
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***55 | Bolt,(For Suction? Reversible Fan) | 4 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Transmission Mounting
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
| 01***40 | Bolt,(Not Used With Cab) | 12 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Transmission Oil Filter
| 01***30 | Bolt,(For France Noise Suppression) | 5 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 5 |
| 07***75 | O-Ring,Steering Oil Filter | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Transmission Oil Piping
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 8 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Transmission Oil Pump
| 04***18 | Ring, Snap | 1 |
| 07***60 | Seal,Oil | 1 |
| 07***00 | Pump Ass'Y,(Far028) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Turbine And Stator(#1501-1800)
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 8 |
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Turbine And Stator(#1801-)
| 01***30 | Bolt,(Cold Terrain Spec.) | 8 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 8 |
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
Komatsu : D45s-1(S/N 1501-Up) : Torque Convertor And Transmission : Universal Joint(#1501-1800)
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 16 |
| 07***45 | Bolt,(Tree Pusher Dozer) | 16 |
| 12***10 | Universal Joint | 1 |
Track
Komatsu : D45s-1(S/N 1501-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 : D45s-1(S/N 1501-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 : D45s-1(S/N 1501-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 : D45s-1(S/N 1501-Up) : Track : Track Frame
| 01***30 | Bolt,(For Center Guard) | 30 |
| 01***40 | Bolt,(Not Used With Cab) | 2 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Lower) | 14 |
Komatsu : D45s-1(S/N 1501-Up) : Track : Track Roller
| 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 : D45s-1(S/N 1501-Up) : Track : Track Shoe (Lubricate Type)(#2101-)
| 01***22 | Nut? Shoe (Kit) | 280 |
| 12***20 | Track Link Ass'Y | 1 |
| 12***00 | Track Shoe Ass'Y | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Track : Track Shoe (Master Pin Type)(#1501-2100)
| 01***22 | Nut? Shoe (Kit) | 296 |
| 12***10 | Track Link Ass'Y | 1 |
| 12***11 | Track Link Ass'Y | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Track : Track Shoe (Master Pin Type)(#2101-)
| 01***22 | Nut? Shoe (Kit) | 296 |
| 12***10 | Track Link Ass'Y | 1 |
| 12***03 | Track Shoe Ass'Y | 1 |
Work Equipment
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment : Bucket
| 01***15 | Nut | 4 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 4 |
| 09***20 | Bolt | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment : Lift Arm
| 01***25 | Bolt - Rear Guard Mounting | 4 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 4 |
| 01***35 | Bolt,(For Pedal Steering) | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment : Side Frame
| 01***35 | Bolt,(For Pedal Steering) | 4 |
| 01***45 | Bolt, Fuel Tank Mounting - Front Right | 8 |
| 01***60 | Bolt | 14 |
Work Equipment Control System
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Bucket Control Lever
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 4 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Bucket Control Linkage
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Bucket Dump Cylinder
| 01***35 | Bolt,(Without Auto Priming System) | 4 |
| 01***50 | Bolt,(For Trimming Dozer) | 4 |
| 01***25 | Bolt - Rear Guard Mounting | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Bucket Lift Cylinder
| 01***30 | Bolt,(Cold Terrain Spec.) | 4 |
| 01***35 | Bolt,(Without Auto Priming System) | 2 |
| 01***50 | Bolt,(For Trimming Dozer) | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Hydraulic Control Valve (1/2)
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***55 | Bolt,(For Suction? Reversible Fan) | 1 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Hydraulic Control Valve (2/2)
| 01***35 | Bolt, Mounting - Flywheel Housing End | 5 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
| 01***80 | Bolt, Mount Strainer Flange | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Hydraulic Filter
| 01***25 | Bolt - Rear Guard Mounting | 1 |
| 01***40 | Bolt,(Not Used With Cab) | 2 |
| 01***45 | Bolt,(For Slag Handling) | 6 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Bucket Dump Cylinder)(#1501-1800)
| 01***35 | Bolt,(Without Auto Priming System) | 20 |
| 01***45 | Bolt,(S6d155-4b) | 6 |
| 01***60 | Bolt,(Without Alternator Bracket) | 6 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Bucket Lift Cylinder)
| 01***30 | Bolt,(Cold Terrain Spec.) | 8 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 8 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Bucket Tilt Cylinder)(#1801-)
| 01***35 | Bolt,(Without Auto Priming System) | 12 |
| 01***45 | Bolt,(S6d155-4b) | 6 |
| 01***60 | Bolt,(Without Alternator Bracket) | 6 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Pump)(#1501-1800)
| 01***55 | Bolt,(For Suction? Reversible Fan) | 2 |
| 01***65 | Bolt,(For Suction Fan)(4d130-1d) | 2 |
| 01***25 | Bolt - Rear Guard Mounting | 2 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Pump)(#1801-)
| 01***55 | Bolt,(For Suction? Reversible Fan) | 2 |
| 01***65 | Bolt,(For Suction Fan)(4d130-1d) | 2 |
| 01***25 | Bolt - Rear Guard Mounting | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Hydraulic Pump(#1501-1800)
| 04***20 | Ring, Snap | 1 |
| 07***62 | Seal,Oil | 1 |
| 07***01 | Pump Ass'Y,(Par 056) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Hydraulic Pump(#1801-)
| 04***18 | Ring,Snap (Itl) | 1 |
| 07***62 | Seal,Oil (Itl) | 1 |
| 70***00 | Pump Ass'Y,(Kar 056) | 1 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Hydraulic Tank (1/2)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 45 |
| 01***35 | Bolt,(For Pedal Steering) | 4 |
Komatsu : D45s-1(S/N 1501-Up) : Work Equipment Control System : Hydraulic Tank (2/2)
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
D45S-1(S/N 1501-UP) serial number reference
The PIN plate for the Komatsu D45S-1 is located on the front frame casting, typically on the operator's left side near the radiator support. Read the prefix as the model code (D45S-1) followed by the sequential serial number (1501-UP) stamped on the plate.
| Prefix | Identifies | Notes |
|---|---|---|
| D45S-1 | Standard | Serial range 1501-UP. Factory shop manual (Book Code D40451BE2) and parts catalog listings identify this as the standard configuration for the D45S-1 series. No specific steering system, engine, or region prefixes are documented for this exact serial range in the provided sources. |
Frequently asked questions
What engine does the Komatsu D45S-1 use?
The Komatsu D45S-1 uses a Komatsu diesel engine, specific details vary by configuration and serial range. Consult the factory spec sheet for the exact engine model and serial number.
What is the operating weight of the D45S-1?
The operating weight varies by configuration, including blade size, ripper attachment, and track shoe width. Refer to the specific machine's data plate or factory documentation for the exact weight.
What model replaced the Komatsu D45S-1?
The D45S-1 was succeeded by newer generations in Komatsu's heavy dozer lineup. Specific successor models depend on the production year and regional market requirements. Consult Komatsu historical records for the direct replacement model.
What D45S-1(S/N 1501-UP) owners discuss
What engine powers the Komatsu D45S-1 (S/N 1501-UP) and what are its common operational quirks?
What are the typical hydraulic behaviors and failure patterns for the D45S-1?
What undercarriage wear patterns and maintenance issues are typical for this machine?
What electrical and sensor issues are commonly reported by owners?
What should be checked when buying a used D45S-1 (S/N 1501-UP)?
What are the known powertrain and transmission behaviors for the D45S-1?
What safety-critical fixes or inspections are recommended for the D45S-1?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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