Komatsubulldozermedium (d40 - d75)
Komatsu D57S-1(S/N 6501-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu D57S-1 (S/N 6501-UP) is a dozer shovel: a dozer-class crawler chassis and power train fitted with a front-mounted loading bucket instead of a blade. Built roughly 1979-1986 in the 15-ton class, it runs the S4D130-1 turbocharged 4-cylinder diesel, about 135 hp (101 kW) at 1900 rpm from 8.49 L displacement, with fully mechanical fuel injection and no electronic engine or transmission controls. Drive runs through a torque-converter and powershift transmission with clutch-and-brake steering, not hydrostatic controls. Operating weight spans 14.6-15.3 t (32,254-33,687 lb) and heaped bucket capacity spans 1.6-1.8 m3 (2.1-2.4 yd3), varying with the bucket fitted. Komatsu issued separate operator manuals for the 6501-up and 9001-up serial brackets within this run, before the line was superseded at the S/N 20001-UP cutoff.
At S/N 20001 Komatsu replaced the S4D130-1 with the S6D108-1 engine and renamed the machine D57S-1B, closing out the S4D130-1-powered run covered here. The D57S-1 sits inside Komatsu's D50-D65 dozer-shovel family, machines that paired dozer-class undercarriages and torque-converter drivetrains with a loading bucket instead of the blades fitted to their straight-dozer siblings of the same era. Komatsu phased out the dozer-shovel concept by the 1990s, splitting the role between dedicated wheel loaders and separate track dozers, so surviving D57S-1 units rarely see production work today. Most remaining machines serve as parts sources or rebuild projects, and the S4D130-1 engine, torque-converter driveline, and undercarriage stay the reference points for interchange within this generation.
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 D57S-1(S/N 6501-UP) specifications
Identification & Configuration
| Machine type | Dozer-shovel (crawler loader) built on the D57 dozer chassis. This serial range mounts a front loading bucket, not a conventional dozer blade. |
| Production era | Approx. 1979-1986. |
| Serial coverage | S/N 6501 and up. A later chassis update at S/N 20001-up carries a different engine and is treated as a separate build. |
Engine
| Model | S4D130-1 turbocharged diesel (some factory literature lists it as S4D130-1A); this is the engine fitted to the 6501-up serial range covered here. |
| Net power | 101 kW (135 HP) at 1900 rpm |
| Displacement | 8.49 L (518 cu in), 4-cylinder |
| Aspiration | Turbocharged |
| Emissions | Pre-emissions mechanical diesel; no EPA/Tier rating applies to this production era |
Weights
| Operating weight | 14.6-15.3 t (32,254-33,687 lb), varies by bucket size fitted |
| Static tipping load, full turn | 9.4-10.6 t (20,770-23,413 lb), varies by bucket size fitted |
| Breakout force | 114-116 kN (25,680-26,020 lb), varies by bucket size fitted |
Dimensions
| Overall length, bucket on ground | 5.47-5.65 m (17 ft 11 in - 18 ft 6 in), varies by bucket fitted |
| Overall width, over tracks | 2.15 m (7 ft 0 in) |
| Overall height, top of cab | 2.93 m (9 ft 6 in) |
| Ground clearance | 0.36 m (1 ft 2 in) |
| Dump clearance, full height | 2.89 m (9 ft 6 in) |
| Dump reach | 1.19 m (3 ft 11 in) |
| Track gauge | 1700 mm (66.9 in) |
| Track length on ground | 2.43 m (7 ft 11 in) |
| Track shoe width | 400 mm (15.75 in) |
Performance
| Maximum travel speed | 9.5-9.7 km/h (5.9-6.0 mph); factory literature publishes a single top-speed figure, no forward/reverse gear-by-gear chart is documented for this range |
| Ground pressure | 0.76-0.79 kg/cm2 (10.8-11.2 psi), varies with bucket size and load |
| Drawbar pull | Not documented in available public specification listings for this serial range - verify with your dealer or the factory shop manual |
| Gradeability | Not documented in available public specification listings for this serial range - verify with your dealer or the factory shop manual |
Work Equipment (Dozer Shovel Bucket)
| Configuration | Front-mounted loading bucket on a dozer-shovel arrangement. No conventional S/SU/A/VPAT dozer blade is offered on this machine. |
| Bucket capacity, heaped | 1.6-1.8 m3 (2.1-2.4 yd3), two bucket sizes documented across the model listing |
Service Capacities (summary)
| Fuel tank | 260 L (68.7 US gal) |
| Hydraulic tank | Approx. 58 L (15.4 US gal) |
| Engine oil | Not documented in available public specification listings for this serial range |
| Cooling system | Not documented in available public specification listings for this serial range |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D57S-1(S/N 6501-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (w/ filter) | Not documented for this exact serial range in accessible sources — verify with dealer/OMM. | Komatsu-spec diesel engine oil (EO series), API CD/CC class. Grade selected from Komatsu's ambient-temperature chart typical for this dozer generation (roughly SAE 10W in cold climates up to SAE 40 in hot climates, or a multigrade spanning the range). |
| Cooling system | 58.3 L (15.4 US gal) | Ethylene-glycol permanent-type antifreeze/corrosion-inhibitor mixed with clean water per the freeze-protection chart for the operating region. |
| Fuel tank | 260 L (68.7 US gal) | ASTM D975 No. 2-D diesel fuel; No. 1-D diesel recommended in cold climates below freezing, consistent with Komatsu dozer practice of this generation. |
| Transmission (powershift) | Not documented for this exact serial range in accessible sources — verify with dealer/OMM. | Komatsu powertrain oil (TO series). Dozers of this generation commonly ran SAE 30 in the transmission, graded by ambient temperature per the OMM chart. |
| Bevel gear / steering compartment | Not documented for this exact serial range in accessible sources — verify with dealer/OMM. | Komatsu powertrain oil (TO series), same family as the transmission and final-drive fill on this dozer generation; SAE 30 typical. |
| Final drives (each side) | Not documented for this exact serial range in accessible sources — verify with dealer/OMM. | Komatsu powertrain oil (TO series); SAE 30 typical for final drives on this dozer generation, shared spec with transmission and bevel-gear case. |
| Hydraulic system/tank | Not documented for this exact serial range in accessible sources — verify with dealer/OMM. | Komatsu hydraulic oil (HO series). Lighter-viscosity oil (around SAE 10W) is typical for the hydraulic/clutch circuit on Komatsu dozers of this era, graded by climate per the OMM chart. |
| Pivot shaft | Not confirmed whether this dozer-shovel chassis lists a separate pivot-shaft fill/grease point in accessible sources. | If equipped, service per the machine's grease chart (see grease points row). |
| Grease points (general) | Not a fill capacity — serviced by interval regreasing, not a chart volume. | Komatsu multipurpose lithium-base grease (NLGI 2) for general pins and linkages. Molybdenum-disulfide-fortified grease for work-equipment and track pin joints where the OMM calls for it, notably during initial break-in. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu D57S-1(S/N 6501-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the D57S-1(S/N 6501-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Sample engine, torque-converter/transmission, and final-drive oil at every 250-hour service to catch turbocharger bearing wear, injection-pump metal transfer, or clutch-pack degradation early. Test and treat coolant at each interval rather than just topping it off; mechanical diesels of this vintage are prone to cylinder-liner pitting once corrosion-inhibitor levels drop. Track fuel filter condition against smoke or power loss, since the mechanical inline injection pump and governor carry no electronic diagnostics to flag fouled injectors or wear on their own. Hours-based sampling is the only early warning this driveline gives.
Corrective & Common Repairs
Common failure points on high-hour D57S-1 units are the clutch-and-brake steering linkage (worn cam followers, glazed brake bands), leaking final-drive seals, and cracked loader lift-cylinder pins from bucket overload. The mechanical injection pump and governor linkage drift out of calibration with age, showing up as rough idle or uneven power; plan on bench testing rather than field adjustment. Track pins and bushings on the equalizer-bar undercarriage wear faster than on blade-dozer siblings, since loader duty cycles load the frame unevenly from side to side.
Overhaul & Rebuild Points
At major overhaul, check the S4D130-1's turbocharger shaft play, cylinder liner wear, and injection pump timing together; this generation carries no ECM to mask a setup that has drifted. Rebuild the torque converter and powershift clutch packs as a matched set, since uneven wear between elements shortens the repair's service life. On the undercarriage, measure link pitch and bushing wear against service limits before deciding to turn shoes or replace chains outright; parts for this vintage bracket run scarcer than for newer Komatsu crawler machines still in daily service.
Seasonal & Environment Servicing
Cold-start the S4D130-1 with care: mechanical injection means no electronic cold-start strategy, so rely on the factory intake air heater or a slow-crank warmup, and switch to winter-grade engine, transmission, and hydraulic oil viscosities before temperatures drop. In hot, dusty loader duty, service the dry-type air cleaner and dust cup more often than the hour meter suggests, since bucket work throws more debris than blade dozing. Flush and refill coolant on schedule; this era's cooling system has no long-life fill option.
D57S-1(S/N 6501-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 07000-05155 | O-Ring,Hydraulic Oil Filter | Hydraulic service | Check fitment → |
| 07000-02075 | O-Ring,Steering Oil Filter | Lubrication service | Check fitment → |
| 08036-01414 | Clip,(For Add.Filter)(Except Japan) | Scheduled service item | Check fitment → |
| 01220-40820 | Screw, Filter Mounting | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
D57S-1(S/N 6501-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Engine Oil Pressure Caution Lamp (red) | Engine lube oil pressure has dropped below the safe minimum. | Low oil level, worn oil pump, clogged oil filter, or a faulty pressure sender. | Stop the engine immediately. Check oil level and look for external leaks before restarting. |
| Battery/Charge Caution Lamp | Alternator is not charging the battery; charging circuit fault. | Broken or slipping fan/alternator belt, failed alternator, or loose wiring connection. | Shut down and inspect belt tension and charging wiring before continued operation. |
| Air Cleaner Clogging Caution Lamp | Intake air filter restriction has exceeded the allowable limit. | Dirty or clogged air cleaner element from dusty jobsite conditions. | Service or replace the air cleaner element and reset the restriction indicator. |
| Charge (Torque Converter) Filter Clog Caution Lamp | Torque converter/transmission charge circuit filter is restricted. | Degraded filter element or contaminated transmission oil. | Replace the charge filter and check transmission oil condition. |
| Coolant Temperature Gauge - High | Engine coolant temperature is above the normal operating range. | Low coolant level, clogged radiator core, failed thermostat, or a slipping fan belt. | Idle the engine to cool down, then check coolant level, radiator, and belt once safe to open the system. |
| Torque Converter Oil Temperature Gauge - High | Transmission/torque converter oil is overheating. | Sustained heavy load, low transmission oil level, or a clogged oil cooler. | Reduce load and idle down; check oil level and cooler once cooled. |
| Fuel Level Low Indicator | Fuel tank has reached the reserve level. | Normal fuel consumption approaching empty. | Refuel promptly; running dry can draw air into the mechanical injection pump and require bleeding. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D57S-1(S/N 6501-UP) attachments & work tools
Blades (S/SU/A/VPAT)
This serial range is the 'Dozer Shovel' (crawler loader) variant of the D53/D57/D58 family, factory-fitted with a general-purpose loader bucket rather than a bulldozer blade — heaped capacity runs roughly 1.8-2.4 m3 (2.4 yd3) class. No straight (S), semi-U (SU), angling (A), or VPAT blade is offered for the D57S-1 nameplate; VPAT (variable-pitch angle-tilt) is a much later Komatsu blade technology not applicable to a 1979-1986 machine. Straight/angling blades belong to the sibling bulldozer chassis in this family (D53A, D58E, D58P), not to this shovel unit — treat any blade seen on a D57S-1 as a non-factory field conversion.
Rippers
No factory ripper unit is documented specifically for the D57S-1; parts documentation lists generic ripper shank stock (roughly 60 mm/2.4 in thick) listed against the model, implying some rear-ripper fitment existed in the field, but shank count is not confirmed. Machines in this ~14.6-15.3 t operating-weight class typically used either a compact single-shank giant ripper or a 3-shank parallelogram ripper on the straight-dozer siblings; confirm actual shank pattern for this serial range against the parts book, since as a shovel-loader this chassis may not carry a rear ripper as standard.
Winches
No winch option is documented for the D57S-1. PTO/drawbar-driven towing winches were more typical on the straight-blade dozer variants in this family (used for logging/utility pull work); a winch fitment is not confirmed for this shovel-loader configuration, likely because the rear frame area here is set up for counterweighting the loader bucket rather than a winch mount. Verify winch compatibility against the parts book for S/N 6501-UP before ordering.
Drawbars/counterweights
Factory data for this serial range is not documented, but shovel-dozer configurations of this era commonly carry a rear-mounted counterweight to balance the loaded front bucket, plus a simple rear pintle/drawbar for towing rather than a ripper-mount drawbar. Exact counterweight capacity for the D57S-1 is not documented in accessible sources — confirm with a Komatsu dealer or the parts book.
Cab/ROPS guarding (forestry/waste)
Standard equipment is an enclosed operator cab, consistent with a ROPS-rated structure rather than an open canopy on this configuration. No forestry- or waste-specific guarding package (screens, belly guards, rear grille) is documented for this exact serial range; such protection would typically be dealer-installed aftermarket guarding rather than a factory-cataloged option for the D57S-1.
Hydraulic arrangement (front/rear tools)
The front loader bucket (lift/tilt/dump) runs off a dedicated work-equipment hydraulic pump shared across the D53S/D57S/D58 crawler-loader family, separate from the steering circuit. The standard control-valve bank on this configuration is dedicated to bucket functions, so any rear-mounted tool (ripper, towing drawbar) would need its own auxiliary circuit rather than tapping the main loader valve — a factory schematic for a rear auxiliary circuit on this serial range is not documented, so verify routing against the machine's hydraulic schematic before adding rear tools.
All D57S-1(S/N 6501-UP) assemblies by section
Every catalogued assembly group for the Komatsu D57S-1(S/N 6501-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 : D57s-1(S/N 6501-Up) : Engine Related Parts And Electrical System : Battery And Switch(#6501-9000)
| 01***12 | Bolt,(Without R.P.C.U.) | 4 |
| 01***14 | Bolt | 2 |
| 01***16 | Bolt,(For Slag Handling) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Engine Related Parts And Electrical System : Battery And Switch(#9001-)
| 01***12 | Bolt,(Without R.P.C.U.) | 4 |
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Engine Related Parts And Electrical System : Electrical System(#6501-9000)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 17 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 3 |
Komatsu : D57s-1(S/N 6501-Up) : Engine Related Parts And Electrical System : Electrical System(#9001-)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 31 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***25 | Bolt - Rear Guard Mounting | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Engine Related Parts And Electrical System : Engine Bypass Filter Piping
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 6 |
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***45 | Bolt | 4 |
| 01***50 | Bolt | 4 |
| 01***10 | Bolt | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Engine Related Parts And Electrical System : Fuel Control Lever (1/2)(#9001-)
| 01***30 | Bolt,Radio Controlled Slag Handling | 2 |
| 01***16 | Screw | 2 |
| 01***05 | Nut? L.H. Thread,R.H. Thread | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Engine Related Parts And Electrical System : Fuel Control Lever (2/2)(#9001-)
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***70 | Bolt | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Engine Related Parts And Electrical System : Fuel Control Lever(#6501-9000)
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Engine Related Parts And Electrical System : Fuel Tank
| 01***12 | Bolt (M8-1.25x12) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 6 |
Komatsu : D57s-1(S/N 6501-Up) : Engine Related Parts And Electrical System : Instrument Panel(#6501-9000)
| 01***20 | Bolt | 2 |
| 01***20 | Bolt,(Used When Towing Winch) | 2 |
| 01***12 | Screw,(Additional Sun Visor) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Engine Related Parts And Electrical System : Instrument Panel(#9001-)
| 01***20 | Bolt | 6 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 6 |
| 01***16 | Screw | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Engine Related Parts And Electrical System : Radiator And Piping
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 54 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 2 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 12 |
Komatsu : D57s-1(S/N 6501-Up) : Engine Related Parts And Electrical System : Radiator Cover
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 34 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 13 |
| 01***20 | Bolt,(Used When Towing Winch) | 6 |
Guard
Komatsu : D57s-1(S/N 6501-Up) : Guard : Dashboard And Floor Plate(#6501-9000)
| 01***16 | Bolt,(For Slag Handling) | 4 |
| 01***25 | Bolt - Rear Guard Mounting | 19 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 25 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Dashboard And Floor Plate(#9001-)
| 01***30 | Bolt,(For France Noise Suppression) | 10 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 8 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Engine Bottom Guard
| 01***30 | Bolt,Radio Controlled Slag Handling | 5 |
| 01***40 | Bolt,(For Center Guard) | 6 |
| 01***45 | Bolt,(For Slag Handling) | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Equalizer Bar
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***35 | Bolt | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Hitch
| 01***90 | Bolt (Kit) | 4 |
| 01***60 | Bolt (Ger) | 1 |
| 01***15 | Nut (Ger) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Hitch And Counter Weight (For 1.8m3 Bucket) (For Multi-Purpose Bucket) (Except Japan)(#9001-)
| 01***19 | Nut - M24 | 8 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 8 |
| 12***20 | Collar | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Marks And Plates (English)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,Machine (Limited Supply) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Marks And Plates (French)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (For France) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Marks And Plates (German)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Marks And Plates (Spanish)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,Machine (Limited Supply) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Operator'S Seat (With Oil Damper And Reclining Device)(#9001-)
| 01***16 | Bolt,(For Slag Handling) | 4 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 9 |
| 01***20 | Bolt,(Used When Towing Winch) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Operator'S Seat(#.-9000)
| 01***50 | Bolt,(For Trimming Dozer) | 4 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Operator'S Seat(#6501-.)
| 01***50 | Bolt,(For Trimming Dozer) | 4 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 10 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Operator'S Seat(#9001-)
| 01***16 | Bolt,(For Slag Handling) | 4 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 13 |
| 01***20 | Bolt,(Used When Towing Winch) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Radiator Guard And Hood(#6501-9000)
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 6 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Radiator Guard And Hood(#9001-)
| 01***45 | Bolt | 8 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Rear Cover (For Hydraulic Ripper)(#9001-)
| 01***25 | Bolt - Rear Guard Mounting | 10 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 10 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 12 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Rear Cover And Frame Box (For Hydraulic Ripper)(#6501-9000)
| 01***16 | Bolt (Welded) | 6 |
| 01***16 | Bolt,(For Slag Handling) | 6 |
| 01***25 | Bolt,(Without Auto Priming System) | 6 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Rear Cover And Frame Box(#6501-9000)
| 01***16 | Bolt (Welded) | 6 |
| 01***16 | Bolt,(For Slag Handling) | 6 |
| 01***25 | Bolt,(Without Auto Priming System) | 6 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Rear Cover(#9001-)
| 01***25 | Bolt - Rear Guard Mounting | 10 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 10 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 12 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Rear Frame Box (For Hydraulic Ripper)(#9001-)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***25 | Bolt - Rear Guard Mounting | 32 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 5 |
Komatsu : D57s-1(S/N 6501-Up) : Guard : Rear Frame Box(#9001-)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***25 | Bolt - Rear Guard Mounting | 32 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 5 |
Optional Parts
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Angle Blade
| 01***80 | Bolt,(Not Shown) | 2 |
| 01***55 | Bolt, Mount Lh Bracket | 4 |
| 01***11 | Nut,(Not Shown) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Back-Up Alarm(#9001-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***20 | Screw | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Bevel Gear And Shaft (Strengthened Track)(#9001-)
| 01***10 | Bolt, Mount Flasher | 4 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 6 |
| 01***20 | Bolt | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : C-Frame
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***45 | Bolt | 16 |
| 01***40 | Bolt,L.H | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Canopy
| 01***35 | Bolt,(For Pedal Steering) | 8 |
| 01***50 | Screw | 8 |
| 01***35 | Bolt | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Carrier Roller (Strengthened Track)(#9001-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 8 |
| 01***85 | Bolt | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Compressor Related Parts-Air Conditioner (For Rops Cab)(#6501-9000)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***75 | Bolt,(For Adjusting) | 3 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Control Box(#9001-)
| 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 : D57s-1(S/N 6501-Up) : Optional Parts : Electrical System (For Rops Cab)(#6501-9000)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 12 |
| 01***08 | Screw, Terminal | 1 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Electrical System (For Rops Cab)(#9001-)
| 01***16 | Bolt (Welded) | 9 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 12 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 6 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Electrical Wiring-Air Conditioner (For Rops Cab)(#6501-9000)
| 01***08 | Screw - Clip Mounting | 1 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 1 |
| 08***14 | Clip, Harness | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Equalizer Bar (Strengthened Track)(#9001-)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***35 | Bolt | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Final Drive Gear (Strengthened Track)(#9001-)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 12 |
| 01***30 | Bolt,(For Center Guard) | 16 |
| 01***13 | Nut | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Final Drive Housing (Strengthened Track)(#9001-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 20 |
| 01***40 | Bolt,(Not Used With Cab) | 20 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Lower) | 30 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Floor Mat (For Rops Cab)(#9001-)
| 13***10 | Mat | 1 |
| 13***30 | Mat | 1 |
| 13***50 | Mat | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Fresh Air And Water Air Conditioner Drain (For Rops Cab)(#6501-9000)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
| 07***25 | Tube | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Front Idler (Strengthened Track)(#9001-)
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
| 01***50 | Bolt, Radiator To Frame | 8 |
| 01***13 | Nut,(See Fig.337) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Head Guard(#6501-9000)
| 01***35 | Bolt | 12 |
| 01***45 | Bolt,(For Slag Handling) | 24 |
| 01***65 | Bolt - Battery Box | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Head Guard(#9001-)
| 01***35 | Bolt | 12 |
| 01***45 | Bolt,(For Slag Handling) | 24 |
| 01***65 | Bolt - Battery Box | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Hitch And Counter Weight (For Strengthened Bucket 1.8m3) (For Multi-Purpose Bucket)
| 01***19 | Nut - M24 | 8 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 8 |
| 12***20 | Collar | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Hot Air Line-Air Conditioner (For Rops Cab)(#6501-9000)
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 4 |
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 17 |
| 01***08 | Screw,(Except Japan) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Hot Water Line-Air Conditioner (For Rops Cab)(#6501-9000)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Large Bucket (1.9m3)(#6504-)
| 01***15 | Nut | 4 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Modified Parts (For Rops Cab)(#6501-9000)
| 13***30 | Seat | 1 |
| 13***40 | Seat | 1 |
| 13***10 | Frame | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Modified Parts-Air Conditioner (For Rops Cab)(#6501-9000)
| 01***12 | Screw | 57 |
| 13***50 | Cover | 1 |
| 14***90 | Washer,(Without Air Con.) | 57 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Mount Bracket (For Rops Cab)(#9001-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 16 |
| 01***30 | Bolt,(For Rubber Shoe) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Mount Seal-Air Conditioner (For Rops Cab)(#6501-9000)
| 01***20 | Bolt,(With Auto Emergency Steering) | 16 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 37 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 6 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Perforated Radiator Mask (Single)(#6501-9000)
| 04***35 | Pin,Cotter | 4 |
| 13***11 | Guard | 1 |
| 13***20 | Mask | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Radiator Shutter(#9001-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 4 |
| 01***10 | Washer,Spring (For Engine Room Lamp) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Recoil Spring (Strengthened Track)(#9001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 16 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 12 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Refrigerant Line-Air Conditioner (For Rops Cab)(#6501-9000)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
| 08***14 | Clip,(For Add.Filter)(Except Japan) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Roof Lining (For Rops Cab)(#9001-)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 14 |
| 01***10 | Screw,(With Air Conditioner) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Rops Cab (1/3)(#6501-9000)
| 01***20 | Bolt,(With Auto Emergency Steering) | 12 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 22 |
| 01***08 | Screw, Terminal | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Rops Cab (1/3)(#9001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 22 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Rops Cab (2/3)(#6501-9000)
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 16 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 18 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Rops Cab (2/3)(#9001-)
| 01***20 | Bolt | 4 |
| 01***40 | Bolt | 4 |
| 01***16 | Bolt,(For Slag Handling) | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Rops Cab (3/3)(#6501-9000)
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Rops Cab (3/3)(#9001-)
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 21 |
| 01***16 | Screw,(With Ashtray) | 28 |
| 01***08 | Screw | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Rops Canopy (1/2)(#9001-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 12 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 16 |
| 01***65 | Bolt, Mount Radiator To Frame (Bottom) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Rops Canopy (2/2)(#9001-)
| 01***65 | Bolt, Mount Side Weights | 12 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***30 | Bolt,(For Rubber Shoe) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Rops Canopy(#6501-9000)
| 01***25 | Bolt - Rear Guard Mounting | 6 |
| 01***45 | Bolt,(For Slag Handling) | 16 |
| 01***40 | Bolt (Kit) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Seat Belt (For Oil Damper Seat)(#9001-)
| 09***00 | Belt,Lap (Without Tbg Spec.) | 1 |
| 09***00 | Belt? Tether,Tether (2inch) | 2 |
| 12***11 | Belt,Lap (For Germany) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Sprocket And Shaft (Strengthened Track)(#9001-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 16 |
| 01***45 | Bolt (Op) | 8 |
| 01***65 | Bolt, Mount Cam | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Steering Case And Main Frame (Strengthened Track)(#9001-)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***25 | Bolt,(For Slag Handling) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Steering Clutch (Strengthened Track)(#9001-)
| 01***12 | Screw | 2 |
| 01***10 | Nut (K10) | 2 |
| 06***17 | Bearing | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Strengthened Bucket (1.6m3)(#6504-)
| 01***15 | Nut | 4 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Strengthened Bucket (1.8m3)
| 01***15 | Nut | 4 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Track Frame (Strengthened Track)(#9001-)
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 26 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 4 |
| 01***65 | Bolt | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Track Roller (Strengthened Track)(#9001-)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 12 |
| 01***65 | Bolt (D65p) | 48 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 12 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Vandalism Protection(#9001-)
| 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 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Window Washer (For Rops Cab)(#9001-)
| 01***16 | Bolt (Welded) | 6 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
| 01***19 | Washer,(Not Used With Ventilator) | 6 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts : Wiring In Rops Cab(#6501-9000)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***12 | Screw,(Additional Sun Visor) | 1 |
| 01***13 | Washer,Spring(For Wiper Switch Earth) | 1 |
Optional Parts (Special Application Parts)
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Brake Lock Lever (Tbg Spec.)(#9890-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 5 |
| 01***16 | Screw | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Bucket Control Lever (1/3) (Noise Suppression For Ec)(#9890-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Bucket Control Lever (2/3) (Noise Suppression For Ec)(#9890-)
| 01***30 | Bolt,Radio Controlled Slag Handling | 3 |
| 01***20 | Bolt,(Without Maintenance Monitor) | 2 |
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Bucket Control Lever (3/3) (Noise Suppression For Ec)(#9890-)
| 01***30 | Bolt | 3 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Bucket Control Lever (Noise Suppression For Ec) (For Multi-Purpose Bucket)(#9890-)
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 3 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Damper Cover (Noise Suppression For Ec)(#9890-)
| 01***12 | Bolt,(With Cylinder Cover) | 8 |
| 01***50 | Bolt,(For Strengthened Cover) | 8 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Dashboard And Floor Plate (Noise Suppression For Ec)(#9890-)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 10 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 12 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Engine Bottom Guard (Noise Suppression For Ec)(#9890-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 5 |
| 01***40 | Bolt,(With Center Guard) | 6 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Engine Hood (Noise Suppression For Ec)(#9890-)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Engine Side Cover (Noise Suppression For Ec)(#9890-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 14 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Fuel Tank (Noise Suppression For Ec)(#9890-)
| 01***12 | Bolt (M8-1.25x12) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 6 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Hitch (Tbg Spec.)(#9890-)
| 01***90 | Bolt,(Without Cap) | 4 |
| 01***60 | Bolt (Itl) | 1 |
| 01***15 | Nut,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Hydraulic Tank Cover (Noise Suppression For Ec)(#9890-)
| 01***15 | Nut | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
| 13***50 | Bracket | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Marks And Plates (German) (Tbg Spec.)(#9890-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (German) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Operator Box And Cover (Noise Suppression For Ec) (For Hydraulic Ripper)(#9890-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 14 |
| 01***70 | Bolt, Accumulator Mounting Bracket | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Operator Box And Cover (Noise Suppression For Ec)(#9890-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 14 |
| 01***70 | Bolt, Accumulator Mounting Bracket | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Operator'S Seat (Noise Suppression For Ec)(#9890-)
| 01***25 | Bolt - Rear Guard Mounting | 4 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 13 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Operator'S Seat (Tbg Spec.)(#9890-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 13 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Radiator And Piping (Noise Suppression For Ec)(#9890-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 54 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 12 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Radiator Cover (Noise Suppession For Ec)(#9890-)
| 01***12 | Bolt,(With Cylinder Cover) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 24 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 13 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Radiator Guard (Noise Suppression For Ec)(#9890-)
| 01***60 | Bolt (M10-1.50x60) | 12 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 4 |
| 01***85 | Bolt, Control Valve Mounting | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Rear Cover (Noise Suppression For Ec) (For Hydraulic Ripper)(#9890-) : Unit_01_of_02
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 10 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 10 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 12 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Rear Cover (Noise Suppression For Ec) (For Hydraulic Ripper)(#9890-) : Unit_02_of_02
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 7 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 16 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 7 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Rear Cover (Noise Suppression For Ec)(#9890-) : Unit_01_of_02
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 10 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 10 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 12 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Rear Cover (Noise Suppression For Ec)(#9890-) : Unit_02_of_02
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Rops Cab And Rops Canopy Bracket (Noise Suppression For Ec) (Tbg Spec.)(#9890-)
| 01***65 | Bolt, Mount Side Weights | 12 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***30 | Bolt,(For Rubber Shoe) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Rops Cab And Rops Canopy Mount (Noise Suppression For Ec) (Tbg Spec.)(#9890-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 16 |
| 01***55 | Bolt | 16 |
| 01***22 | Nut (Op) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Optional Parts (Special Application Parts) : Transmission Control Lever (Tbg Spec.)(#9890-)
| 01***30 | Bolt,Radio Controlled Slag Handling | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
S4d130-1a S/N 10006-21530-Up
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Air Cleaner (Inner Element Lock Type) (Sandy And Dusty Spec.)(#13585-15031)
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***08 | Nut,R.H. Thread | 8 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 8 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Air Cleaner(#10006-)
| 01***08 | Nut,R.H. Thread | 8 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 8 |
| 01***16 | Washer,Radio Controlled Slag Handling | 8 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Air Intake Manifold And Connector(#10006-)
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Alternator (13a)(#10006-)
| 60***50 | Alternator A. (13a),(With Non Hardening Pulley) | 1 |
| KD***31 | Bushing,Insulator | 2 |
| KD***80 | Packing | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Alternator (35a)(#10006-)
| 60***20 | Alternator A. (35a) | 1 |
| KD***00 | Collar | 1 |
| KD***72 | Bracket,Rear | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Alternator And Mounting (13a)(#10006-)
| 01***15 | Bolt | 1 |
| 01***15 | Bolt | 1 |
| 01***30 | Bolt,(For Trimming Dozer) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Alternator And Mounting (35a)(#10006-)
| 01***22 | Bolt | 1 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 1 |
| 01***00 | Bolt (M10-1.50x100) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Balancer(#10006-)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
| 04***19 | Key,(Dk025805-1910) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Camshaft And Tappet(#10006-)
| 01***25 | Bolt - Rear Guard Mounting | 2 |
| 01***36 | Washer,Radio Controlled Slag Handling | 2 |
| 04***28 | Key, Plain Woodruff | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Corrosion Resister (Except Japan)(#10006-)
| 01***25 | Bolt,(Without Auto Priming System) | 4 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 4 |
| 01***29 | Washer,Spring (Cold Weather Spec.) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Crankshaft(#10006-)
| 04***50 | Key | 1 |
| 04***80 | Key,Seal | 1 |
| 61***70 | Main Metal A | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Cylinder Block(#10006-)
| 01***14 | Bolt | 20 |
| 01***22 | Stud | 5 |
| 01***30 | Stud | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Cylinder Head Cover(#10006-)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 3 |
| 07***13 | Hose | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Cylinder Head(#10006-)
| 01***25 | Bolt - Rear Guard Mounting | 2 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 4 |
| 01***36 | Washer,Radio Controlled Slag Handling | 2 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Exhaust Manifold And Muffler(#10006-)
| 01***80 | Bolt | 8 |
| 01***30 | Bolt | 4 |
| 01***40 | Bolt | 4 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Flywheel And Flywheel Housing(#10006-)
| 01***50 | Bolt | 2 |
| 01***40 | Bolt,(Not Used With Cab) | 18 |
| 01***50 | Screw | 2 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Fuel Filter And Mounting(#10006-23964)
| 01***30 | Bolt,(For France Noise Suppression) | 1 |
| 01***50 | Bolt | 1 |
| 01***55 | Bolt,(For Suction? Reversible Fan) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Fuel Filter And Mounting(#23965-)
| 01***30 | Bolt,(For France Noise Suppression) | 1 |
| 01***50 | Bolt | 1 |
| 01***60 | Bolt (M10-1.50x60) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Fuel Injection Piping(#10006-)
| 01***25 | Bolt (M6-1.00x25) | 6 |
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***19 | Washer,(Not Used With Ventilator) | 6 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Fuel Injection Pump (Coupling)(#10006-)
| ND***91 | Bolt | 8 |
| ND***60 | Coupling Ass'Y | 1 |
| ND***00 | Coupling Ass'Y,(Tunnel Spec.) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Fuel Injection Pump (Feed Pump)(#10006-)
| ND***40 | Washer? 1mm,Plate | 1 |
| ND***10 | Spring,Tappet | 1 |
| ND***70 | Housing | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Fuel Injection Pump (Governor) (1/2) (Tunnel Spec.)(#10006-)
| ND***30 | Washer | 2 |
| ND***60 | O-Ring | 1 |
| ND***30 | Compensator A | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Fuel Injection Pump (Governor) (1/2)(#10006-)
| ND***40 | Lever Ass'Y | 1 |
| ND***30 | Plug | 1 |
| ND***10 | Lever Ass'Y | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Fuel Injection Pump (Governor) (2/2) (Tunnel Spec.)(#10006-)
| ND***20 | Washer? 1.0mm,Cover Plate | 1 |
| ND***20 | Bushing,Bearing | 1 |
| ND***80 | Collar | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Fuel Injection Pump (Governor) (2/2)(#10006-)
| ND***20 | Washer? 1.0mm,Cover Plate | 1 |
| ND***10 | Adapter | 1 |
| ND***90 | Washer | 2 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Fuel Injection Pump (Pump)(#10006-)
| 61***01 | Injection Pump Ass'Y | 1 |
| 61***00 | Injection Pump Ass'Y,(Tunnel Spec.) | 1 |
| ND***70 | Seal | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Fuel Injection Pump And Mounting(#10006-)
| 01***70 | Bolt | 4 |
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Fuel Injection Pump Lubricating Oil Piping(#10006-)
| 01***16 | Bolt,(For Slag Handling) | 1 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 1 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Gasket Kit(#10006-)
| 02***91 | O-Ring (Kit) | 4 |
| 04***35 | Pin,Cotter? Block And Collar | 4 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Gear Case Cover(#10006-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***75 | Bolt,(For D57sr) | 15 |
| 01***85 | Bolt, Mount Solenoid Valve Body | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Lubricating Oil Bypass Filter(#10006-)
| 02***32 | Bolt | 2 |
| 02***20 | Washer,Spring | 2 |
| 02***01 | O-Ring (Kit) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Lubricating Oil Cooler(#10006-)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***25 | Bolt,(Without Auto Priming System) | 1 |
| 01***45 | Bolt,(S6d155-4b) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Lubricating Oil Filter(#10006-23964)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 4 |
| 01***04 | Nut,(For 50a Alternator) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Lubricating Oil Filter(#23965-)
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 4 |
| 01***36 | Washer,Radio Controlled Slag Handling | 4 |
| 01***23 | Washer, Flat | 4 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Lubricating Oil Pump(#10006-)
| 01***50 | Bolt | 2 |
| 01***08 | Nut,R.H. Thread | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 6 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Lubricating Oil Strainer(#10006-)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Oil Pan(#10006-)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***25 | Bolt,(Without Auto Priming System) | 25 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Piston And Connecting Rod(#10006-)
| 61***20 | Ring | 8 |
| 61***15 | Bolt,(Service Parts) | 4 |
| 61***22 | Nut,(Service Parts) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Rocker Arm(#10006-)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
| 04***35 | Pin,Cotter? Block And Collar | 2 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Safety Relay And Heater Signal(#10006-)
| 60***10 | Signal,Heater | 1 |
| 60***10 | Regulator Ass'Y,For 35a Alternator (Not Shown) | 1 |
| 60***20 | Safety Relay A.,Safety | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Starting Motor (7.5kw)(#18986-)
| 60***50 | Starting Motor A.,(7.5kw) | 1 |
| KD***70 | Center Bracket A | 1 |
| KD***90 | Field Coil Ass'Y | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Starting Motor And Mounting(#10006-)
| 01***45 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***36 | Washer,Spring | 3 |
| 07***00 | O-Ring,(F4350-65a1 -5 ) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Starting Motor(#10006-18985)
| 60***20 | Starting Motor A | 1 |
| KD***70 | Center Bracket A | 1 |
| KD***60 | Brush | 4 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Turbocharger Lubricating Oil Piping(#10006-)
| 01***16 | Bolt,(For Slag Handling) | 1 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***40 | Bolt,(For Position Fixing) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Turbocharger(#10006-)
| 01***30 | Bolt | 4 |
| 04***50 | Screw | 2 |
| 07***85 | O-Ring | 2 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Water Manifold And Thermostat(#10006-)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***22 | Bolt,(Cold Terrain Spec.) | 9 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 13 |
Komatsu : D57s-1(S/N 6501-Up) : S4d130-1a S/N 10006-21530-Up : Water Pump And Cooling Fan(#10006-)
| 01***50 | Bolt | 2 |
| 01***65 | Bolt,(For Suction Fan)(4d130-1d) | 5 |
| 01***75 | Bolt,(For D57sr) | 2 |
Steering System And Final Drive
Komatsu : D57s-1(S/N 6501-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 : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Brake Band
| 01***35 | Bolt,(For Pedal Steering) | 8 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 2 |
| 01***42 | Washer,Spring (For Pedal Steering) | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Brake Lock Lever(#6501-9000)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 2 |
| 01***36 | Washer,Radio Controlled Slag Handling | 2 |
| 01***12 | Washer,(With Body Positioner) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Brake Lock Lever(#9001-)
| 01***25 | Bolt - Rear Guard Mounting | 5 |
| 01***16 | Screw | 1 |
| 01***06 | Nut, Regular Hexagon (M8-1.25) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Final Drive Gear
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 12 |
| 01***30 | Bolt,(For Center Guard) | 16 |
| 01***13 | Nut | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Final Drive Housing
| 01***20 | Bolt,(Large Capacity Type) (Std) | 20 |
| 01***30 | Bolt,(For Center Guard) | 8 |
| 01***40 | Bolt,(Not Used With Cab) | 50 |
Komatsu : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Sprocket And Shaft
| 01***35 | Bolt, Mounting - Flywheel Housing End | 16 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 12 |
| 01***40 | Bolt,(Not Used With Cab) | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Steering And Inching Pedal(#6501-9000)
| 01***25 | Bolt - Rear Guard Mounting | 4 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 8 |
| 01***35 | Bolt,(Cold Weather Spec.) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Steering And Inching Pedal(#9001-)
| 01***30 | Bolt,(For France Noise Suppression) | 3 |
| 01***25 | Bolt - Rear Guard Mounting | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Steering Case And Main Frame
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***25 | Bolt,(For Slag Handling) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Steering Case Cover
| 01***20 | Bolt,(Large Capacity Type) (Std) | 8 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 6 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Steering Clutch
| 01***12 | Screw | 2 |
| 01***10 | Nut (K10) | 2 |
| 06***17 | Bearing | 2 |
Komatsu : D57s-1(S/N 6501-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 : D57s-1(S/N 6501-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 : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Steering Linkage (1/2)
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
| 01***08 | Nut,R.H. Thread | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Steering Linkage (2/2)
| 01***25 | Bolt,(Without Auto Priming System) | 4 |
| 01***25 | Bolt - Rear Guard Mounting | 4 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Steering Oil Filter
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
| 07***08 | O-Ring,Valve Body | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Steering Oil Piping
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***30 | Bolt,(For France Noise Suppression) | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Steering System And Final Drive : Steering Oil Pump
| 04***18 | Ring, Snap | 1 |
| 07***60 | Seal,Oil | 1 |
| 07***03 | Pump Ass'Y,(Fal 028-203) | 1 |
Tool And Kit
Komatsu : D57s-1(S/N 6501-Up) : Tool And Kit : Service Kit
| 01***08 | Washer,Plate Bolt | 1 |
| 04***45 | Pin,Cotter? Valve | 1 |
| 04***25 | Pin,Cotter? Link Pin | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Tool And Kit : Tool
| 07***00 | Pump,Grease | 1 |
| 07***00 | Pump,Grease | 1 |
| 07***00 | Pump,Grease | 1 |
Torque Convertor And Transmission
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : 1st Clutch
| 01***30 | Bolt,Radio Controlled Slag Handling | 8 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 8 |
| 01***36 | Washer,Radio Controlled Slag Handling | 16 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : 2nd Clutch And 3rd Clutch
| 01***80 | Bolt,(Shim 5 Pieces Over) | 3 |
| 01***36 | Washer,Radio Controlled Slag Handling | 3 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 5 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Damper
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 18 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 12 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 12 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Forward Clutch And Reverse Clutch
| 01***20 | Bolt,(Large Capacity Type) (Std) | 3 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 3 |
| 04***14 | Pin, Dowel | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torqflow Transmission Case
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***30 | Bolt,(For France Noise Suppression) | 3 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 11 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torqflow Transmission Case Cover And Lever
| 01***18 | Bolt | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 10 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torqflow Transmission Control Lever(#6501-9000)
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***25 | Bolt - Rear Guard Mounting | 4 |
| 01***06 | Nut? L.H. Thread,R.H. Thread | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torqflow Transmission Control Lever(#9001-)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***20 | Bolt,(Used When Towing Winch) | 4 |
| 01***25 | Bolt - Rear Guard Mounting | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torqflow Transmission Control Linkage(#9001-)
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***25 | Bolt - Rear Guard Mounting | 6 |
| 01***06 | Nut? L.H. Thread,R.H. Thread | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torqflow 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 : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torqflow Transmission Control Valve (2/2)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***55 | Bolt,(For Suction? Reversible Fan) | 4 |
| 01***20 | Screw | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torqflow 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 : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torqflow Transmission Mounting
| 01***30 | Bolt,(For France Noise Suppression) | 6 |
| 01***40 | Bolt,(Not Used With Cab) | 12 |
| 01***45 | Bolt,(For Slag Handling) | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torqflow Transmission Oil Filter
| 01***30 | Bolt,Radio Controlled Slag Handling | 4 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 1 |
| 01***45 | Bolt,(Cold Terrain Spec.) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torqflow Transmission Oil Piping(#6501-9477)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 3 |
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 6 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torqflow Transmission Oil Piping(#9478-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 3 |
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 6 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torqflow Transmission Oil Pump
| 04***18 | Ring,Snap (Itl) | 1 |
| 07***60 | Seal (Kit) | 1 |
| 07***03 | Pump Ass'Y,(Far040) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torqflow Transmission Rear Cover
| 01***45 | Bolt,(For Suction? Reversible Fan) | 6 |
| 01***40 | Bolt,(Not Used With Cab) | 2 |
| 01***60 | Screw | 9 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Torque Convertor Housing
| 01***20 | Bolt,(Large Capacity Type) (Std) | 6 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 6 |
| 01***30 | Bolt,(For France Noise Suppression) | 10 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Turbine And Stator And Torque Convertor Valve
| 01***30 | Bolt,(For France Noise Suppression) | 3 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 8 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 6 |
Komatsu : D57s-1(S/N 6501-Up) : Torque Convertor And Transmission : Universal Joint
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 16 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 1 |
| 13***10 | Bolt | 16 |
Track
Komatsu : D57s-1(S/N 6501-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 : D57s-1(S/N 6501-Up) : Track : Front Idler
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***40 | Bolt,(For Center Guard) | 8 |
| 01***45 | Bolt,(For Slag Handling) | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Track : Recoil Spring
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 6 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Track : Track Frame (Except Japan)(#9001-)
| 01***30 | Bolt,(For Center Guard) | 12 |
| 01***50 | Screw | 4 |
| 01***40 | Bolt,(For Center Guard) | 22 |
Komatsu : D57s-1(S/N 6501-Up) : Track : Track Frame (For Japan)
| 01***30 | Bolt,(For Center Guard) | 32 |
| 01***50 | Screw | 4 |
| 01***55 | Screw | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Track : Track Roller
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***55 | Bolt,(For Long Track) | 32 |
| 01***48 | Washer,Spring? Single Flange | 32 |
Komatsu : D57s-1(S/N 6501-Up) : Track : Track Shoe
| 01***70 | Bolt - Thrust Plate Mounting | 156 |
| 01***13 | Nut,Plate (Welded) | 156 |
| 01***48 | Washer,Spring? Single Flange | 156 |
Work Equipment
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Bucket (Except Japan)(#6501-6503)
| 01***15 | Nut | 4 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Bucket Cylinder (For Multi-Purpose Bucket)
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
| 01***60 | Bolt | 4 |
| 01***36 | Washer,Radio Controlled Slag Handling | 2 |
Komatsu : D57s-1(S/N 6501-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 : D57s-1(S/N 6501-Up) : Work Equipment : Multi-Purpose Bucket
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***15 | Nut | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Ripper Cylinder
| 01***35 | Bolt,(For Position Fixing) | 2 |
| 01***50 | Bolt (Kit) | 2 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Ripper Frame
| 01***55 | Bolt,(Without Rops Guard? Canopy) | 16 |
| 01***75 | Bolt (Kit) | 16 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 32 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Side Frame
| 01***35 | Bolt,(For Pedal Steering) | 4 |
| 01***40 | Bolt,(For Center Guard) | 6 |
| 01***60 | Bolt, Hanger Bearing Mounting | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Brake)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***45 | Screw | 4 |
| 01***10 | Nut,(Service Only) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Case Cover And Hitch)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 15 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 22 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Clutch And Brake Drum)
| 01***35 | Bolt,(Without Auto Priming System) | 8 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***70 | Bolt, Spacer | 12 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Control Lever)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Control Linkage)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 7 |
| 01***25 | Bolt - Rear Guard Mounting | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Control Valve)
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***40 | Bolt,(For Position Fixing) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Fair Lead)
| 01***25 | Bolt - Rear Guard Mounting | 8 |
| 01***45 | Bolt, Fuel Tank Mounting - Front Right | 8 |
| 01***36 | Washer,Radio Controlled Slag Handling | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Gear And Drum)
| 01***40 | Bolt,(Dust And Dirt Protection) | 4 |
| 01***40 | Bolt,(Not Used With Cab) | 4 |
| 01***40 | Bolt,(For Center Guard) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Gear Case)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 8 |
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Hyraulic Piping)
| 01***30 | Bolt,(For France Noise Suppression) | 6 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 3 |
| 01***45 | Bolt,(For Suction? Reversible Fan) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Logging Arm)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 3 |
| 01***25 | Bolt - Rear Guard Mounting | 6 |
| 01***45 | Bolt, Fuel Tank Mounting - Front Right | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (P.T.O. Shaft)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 6 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 3 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Shift Fork)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***45 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Transfer Case)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***25 | Bolt,(Without Auto Priming System) | 11 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 6 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Transfer Gear)
| 01***18 | Bolt | 2 |
| 01***22 | Bolt | 4 |
| 04***30 | Ring, Retaining | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment : Towing Winch (Valve Control Linkage)
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***40 | Bolt,(For Position Fixing) | 2 |
| 01***75 | Bolt | 1 |
Work Equipment Control System
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Bucket Control Lever (1/3)
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Bucket Control Lever (2/3)(#6501-9000)
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 1 |
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Bucket Control Lever (2/3)(#9001-)
| 01***20 | Bolt | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Bucket Control Lever (3/3)(#6501-9000)
| 01***30 | Bolt | 3 |
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 5 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Bucket Control Lever (3/3)(#9001-)
| 01***30 | Bolt | 3 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 6 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Bucket Control Lever (For Multi-Purpose Bucket)(#6501-9000)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 2 |
| 01***08 | Nut,R.H. Thread | 1 |
| 01***32 | Washer,(For Ripper) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Bucket Control Lever (For Multi-Purpose Bucket)(#9001-)
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 3 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Dump Cylinder(#6501-9000)
| 01***35 | Bolt,(For Position Fixing) | 4 |
| 01***50 | Bolt (Kit) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Dump Cylinder(#9001-)
| 01***35 | Bolt,(For Position Fixing) | 4 |
| 01***50 | Bolt (Kit) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Filter
| 01***50 | Bolt | 2 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 4 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Oil Piping (Control Valve To/From Dump Cylinder)
| 01***30 | Bolt,(Cold Terrain Spec.) | 4 |
| 01***35 | Bolt,(Without Auto Priming System) | 6 |
| 01***50 | Bolt,(For Trimming Dozer) | 6 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Oil Piping (Control Valve To/From Lift Cylinder)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Oil Piping (Tank To Pump To Control Valve)
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Piping (1/2) (For Multi-Purpose Bucket)
| 01***20 | Bolt,(Used When Towing Winch) | 2 |
| 01***80 | Bolt,(Shim 5 Pieces Over) | 4 |
| 01***95 | Bolt, Mount Filter Support | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Piping (2/2) (For Multi-Purpose Bucket)
| 01***45 | Screw | 8 |
| 01***55 | Bolt,(10m) | 8 |
| 01***80 | Bolt,(For Long Lever Control) | 8 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Piping (For Hydraulic Ripper)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***55 | Bolt, Mount Lh Bracket | 4 |
| 01***75 | Bolt, Tube Mounting | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Pump
| 04***18 | Ring,Snap (Itl) | 1 |
| 07***62 | Seal,Oil (Itl) | 1 |
| 70***00 | Pump Ass'Y,(Kal-100) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Tank And Valve (1/2)
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 41 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Tank And Valve (1/2) (For Hydraulic Ripper)
| 01***25 | Bolt,(Without Auto Priming System) | 3 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 41 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Tank And Valve (1/2) (For Multi-Purpose Bucket)(#9001-)
| 01***25 | Bolt,(Without Auto Priming System) | 1 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Tank And Valve (1/3) (For Multi-Purpose Bucket)(#6501-9000)
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 41 |
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Tank And Valve (2/2)
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Tank And Valve (2/2) (For Hydraulic Ripper)
| 01***25 | Bolt,(Without Auto Priming System) | 1 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Tank And Valve (2/2) (For Multi-Purpose Bucket)(#9001-)
| 01***35 | Bolt, Mounting - Flywheel Housing End | 1 |
| 01***90 | Bolt (M10-1.50x90) | 1 |
| 01***25 | Bolt,Without Revolution Sensor | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Tank And Valve (2/3) (For Multi-Purpose Bucket)(#6501-9000)
| 01***25 | Bolt,(Without Auto Priming System) | 1 |
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***25 | Bolt - Rear Guard Mounting | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Hydraulic Tank And Valve (3/3) (For Multi-Purpose Bucket)(#6501-9000)
| 01***25 | Bolt,(Without Auto Priming System) | 1 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Lift Cylinder(#6501-9000)
| 01***35 | Bolt,(For Position Fixing) | 2 |
| 01***50 | Bolt (Kit) | 2 |
| 01***50 | Bolt,(With Service Valve R.H.) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Lift Cylinder(#9001-)
| 01***35 | Bolt,(For Position Fixing) | 2 |
| 01***50 | Bolt (Kit) | 2 |
| 01***50 | Bolt,(With Service Valve R.H.) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Ripper Control Lever (For Hydraulic Ripper)(#6501-9000)
| 01***50 | Bolt | 1 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***25 | Bolt - Rear Guard Mounting | 3 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Ripper Control Lever (For Hydraulic Ripper)(#9001-)
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Work Equipment Valve (1/2)
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***95 | Bolt,(For Reversible Fan) | 2 |
| 01***20 | Bolt,(Used When Towing Winch) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Work Equipment Valve (1/3) (For Bucket Control) (With Hydraulic Ripper)(#6501-9000)
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***20 | Bolt,(Used When Towing Winch) | 1 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Work Equipment Valve (1/3) (For Bucket Control) (With Hydraulic Ripper)(#9001-)
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***95 | Bolt,(For Reversible Fan) | 2 |
| 01***20 | Bolt,(Used When Towing Winch) | 1 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Work Equipment Valve (1/4) (For Multi-Purpose Bucket)
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***20 | Bolt,(Used When Towing Winch) | 1 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 4 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Work Equipment Valve (2/2)
| 01***40 | Bolt,(Dust And Dirt Protection) | 3 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 3 |
| 01***60 | Bolt, Trunnion Cap | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Work Equipment Valve (2/3) (For Bucket Control) (With Hydraulic Ripper)
| 01***40 | Bolt,(Dust And Dirt Protection) | 3 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 3 |
| 01***60 | Bolt, Trunnion Cap | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Work Equipment Valve (2/4) (For Multi-Purpose Bucket)
| 01***40 | Bolt,(Dust And Dirt Protection) | 3 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 3 |
| 01***60 | Bolt, Trunnion Cap | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Work Equipment Valve (3/3) (For Ripper Control) (With Hydraulic Ripper)
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 2 |
| 01***45 | Bolt,(Cold Terrain Spec.) | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Work Equipment Valve (3/4) (For Multi-Purpose Bucket)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 2 |
Komatsu : D57s-1(S/N 6501-Up) : Work Equipment Control System : Work Equipment Valve (4/4) (For Multi-Purpose Bucket)
| 01***45 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***10 | Bolt, Mount Filler Tube | 2 |
| 01***36 | Washer,Radio Controlled Slag Handling | 4 |
D57S-1(S/N 6501-UP) serial number reference
The PIN/serial tag on this generation of Komatsu dozer is stamped on a plate mounted in the operator's cab, typically near or behind the driver's seat. A duplicate stamp may also exist elsewhere on the machine per general factory practice, but the exact secondary location is not documented for this specific model - check with your dealer if the cab plate is missing or illegible. This machine predates Komatsu's later 3-character alphanumeric PIN prefix system: the tag reads as the model code (D57S-1) followed by a plain sequential serial number (e.g., 6501, 6502...), not a letter-prefix-plus-digits format. Match the plain numeric serial against the published range (6501-20000 for the S4D130-1 engine build) rather than looking for a letter prefix.
| Prefix | Identifies | Notes |
|---|---|---|
| 6501-20000 | D57S-1 dozer shovel, base series | Serial range 6501 through 20000 mounts the S4D130-1 turbocharged engine. This era of Komatsu dozer numbering used a plain sequential serial number rather than a 3-character alphanumeric PIN prefix; the model designation D57S-1 itself is the identifying tag, not a letter code. Built circa 1979-1986. Steering is clutch-and-brake type (brake band around the steering clutch drum). No documented Std/LGP/XL configuration split found for this model - treat as confirm with dealer if a specific machine shows track/gauge differences. |
| 20001-UP | D57S-1B (later engine change) - NOT part of this family | At serial 20001 the engine changes to the S6D108-1 and the later production run is documented as D57S-1B. Excluded here per family scope; included only to mark the top boundary of the 6501-up S4D130-1 range. Confirm exact designation with dealer if a unit falls near this boundary. |
Frequently asked questions
What engine powers the Komatsu D57S-1 (S/N 6501-UP)?
It runs the Komatsu S4D130-1, a turbocharged 4-cylinder diesel of about 8.49 L (518 cu in) displacement rated near 135 hp (101 kW) at 1900 rpm, with fully mechanical fuel injection and no electronic engine controls. This engine covers the machine through S/N 20000. From S/N 20001-UP, Komatsu switched to the S6D108-1 and redesignated the machine D57S-1B.
What is the operating weight of the Komatsu D57S-1 (S/N 6501-UP)?
Operating weight runs about 14.6-15.3 t (32,254-33,687 lb), varying with the bucket size fitted. Heaped bucket capacity spans roughly 1.6-1.8 m3 (2.1-2.4 yd3) across the same range.
What replaced the Komatsu D57S-1 (S/N 6501-UP)?
At S/N 20001-UP, Komatsu fitted the S6D108-1 engine and renamed the machine D57S-1B, its direct successor on the same dozer-shovel platform and undercarriage.
What D57S-1(S/N 6501-UP) owners discuss
What do owners and mechanics say about the steering system on the D57S-1, and what usually causes it to act up?
This machine steers with a clutch-and-brake pedal system, not hydrostatic controls. When a track won't turn or turns sluggishly, experienced techs say don't jump straight to the steering clutch: check transmission oil level and condition first, since debris in the oil or a plugged screen points to wear further upstream. If oil and pressures check out against factory spec, worn steering clutch discs or brake bands come next, then clutch piston seal leakage, which bleeds off pressure and keeps a clutch from fully engaging or releasing. On the pedal itself, half travel should give partial disengagement and full travel should fully disengage; if that graduated feel is gone, look at linkage adjustment or piston seals. Have your dealer or a qualified tech verify clutch pressures against factory spec before condemning the clutch pack.
What undercarriage wear patterns are typical for a crawler loader like this, and how do owners manage it?
As with any track machine of this era, the undercarriage (sprockets, track links, bushings, rollers, pins) takes the bulk of lifetime wear and repair cost. Owners are told to keep tracks free of caked mud and debris, since packed material sets hard and keeps rollers from spinning freely, which accelerates wear. Track tension matters too: too loose and the track sags and can derail under load, too tight and pins and bushings wear faster. Because this is a clutch-steer machine rather than hydrostatic, uneven side-to-side track wear can also point to one steering clutch or brake band being worn more than the other rather than pure ground-condition wear, so check both sides together.
What quirks come up with this series' engine specifically?
The D57S-1(S/N 6501-UP) runs a turbocharged mechanical diesel with jerk-pump injection and mechanical governing, no ECM and no sensor network to chase. After a rebuild or a long sit, owners caution against running it without coolant covering the deck even briefly, since the cylinder head can crack quickly under those conditions. First-start habits reported by owners: bring oil pressure up and watch it before extended running, check for weeping at the injector nozzles, and expect some smoke and rough running for the first minute while rings and injectors seat. Because the fuel system is entirely mechanical, injection pump and injector cup parts are the pinch point on this engine; some owners report rebuild shops spending real time sourcing pump parts, so budget extra lead time for major fuel-system work.
Does this machine have electrical or sensor problems owners complain about?
Not in the modern sense. This predates electronic monitoring, so there is no diagnostic sensor network to fail. The electrical gripes owners report are the basics common to machines this age: weak charging output, corroded battery terminals and grounds causing hard or no-start, and glow plug circuits where one or more plugs go weak and leave a cylinder cold, causing hard cold starts, white smoke, and rough idle until it warms up. General advice is to clean terminals and grounds and load-test the charging system before assuming a starter or glow-plug relay is bad. Starting fluid was common practice on machines this age but is not recommended today since repeated use can damage the engine; have your dealer verify the glow-plug and cold-start circuit instead of relying on it.
What hydraulic issues come up on the loader/bucket end and around the oil cooler?
General consensus for clutch-steer, torque-converter track loaders of this type is to chase leaks and slow functions in order: fluid level and condition first, then pump wear, then control valve leakage or a stuck spool, then hose and fitting condition. On this model specifically, owners have traced external oil cooler leaks to the steel line fitting o-ring at the cooler rather than the cooler itself; a replacement o-ring of the correct profile at that fitting resolved it without replacing the cooler. Loader-arm or bucket cylinder drift (boom or bucket creeping down under load) points to relief valve or cylinder seal wear rather than pump failure. Have a qualified tech verify pressures against factory spec before condemning a cylinder or the pump.
Is this an easy machine to keep running compared to Komatsu's later, more complex track loaders?
Owner consensus is yes, relatively. Being a clutch-and-brake, torque-converter machine rather than hydrostatic drive, and running a purely mechanical fuel system with no electronics, it is generally seen as simpler to diagnose and field-repair than later hydrostatic or electronically-monitored Komatsu track loaders. The tradeoff is parts sourcing: as an out-of-production late-1970s to mid-1980s model, mainstream dealer stock is thin, and specialty items like injection pump internals or injector cups can mean real wait time and higher cost through aftermarket or rebuild specialists, even though seal kits and common wear parts stay available.
What should a buyer check before purchasing a used D57S-1(S/N 6501-UP)?
Confirm the serial number actually falls in this machine's range before trusting any parts book or spec sheet pulled off the internet, since Komatsu reused the D57S-1 designation across a later serial break with a different engine. Walk the undercarriage for sprocket, link, bushing, roller, and pin wear, and check track tension and sag on both sides. Start the engine cold and watch for excess white smoke, rough idle, and weak oil pressure, which can point to injection pump or ring wear. Cycle the steering pedals through full travel and confirm both tracks brake and release evenly; uneven response often means worn clutch discs or brake bands on one side. Check for oil cooler and hydraulic line seepage around fittings, and cycle the loader arm and bucket under load watching for drift. Ask about injection pump and fuel system history, since parts and rebuild lead time are the main cost risk on this engine. Given the machine's age, have your dealer or an independent heavy-equipment mechanic do a full pre-purchase inspection before you commit.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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