Komatsuwheel loadersmall ( - wa120 / sk*)
Komatsu WB95R-1 / WB97R-1(S/N 8901442-Up)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu WB95R-1 and WB97R-1 (S/N 8901442-Up) are wheeled loader-backhoes: a front loader/shovel bucket on one end, a rear backhoe boom, dipper, and bucket working off outriggers/stabilizers on the other, on an all-wheel-drive chassis. Komatsu Utility, the former FAI plant in Italy, built both models in 1997-1998. The WB95R-1 runs a naturally aspirated Perkins 1004.4 four-cylinder diesel; the WB97R-1 runs the turbocharged 1004.4T version of the same block, both mechanically governed with no electronic engine management. Operating weight runs approximately 7,500 kg (16,535 lb), with a front bucket capacity near 1.02 m3 (1.33 yd3). The two model numbers cover the naturally aspirated and turbo engine options on one shared chassis and parts book. This generation sits in the FAI-to-Komatsu transition: built after Komatsu took full ownership of the former FAI factory in 1995, and ahead of the Komatsu-engineered WB91R-2/WB93R-2/WB97R-2 line introduced from 1999.
The main change across WB-series generations is the engine. The WB95R-1/WB97R-1 generation was the last in this line to run Perkins power; from 1999 the WB91R-2, WB93R-2, and WB97R-2 (later WB97R-5, WB97R-8) switched to Komatsu's own 4D106 diesel or Yanmar-family SAA4D95LE-3/4TNV106 engines as Komatsu folded the former FAI product line fully into its own engine and parts network. That makes the WB95R-1/WB97R-1 a transition-era machine: mechanically simple, with no ECM and no fault codes, and easier for an independent shop to keep running long-term than the machines that followed it. In the used and parts market today it is a short-run, low-volume model built for only a year or two, so parts sourcing leans on Perkins agricultural/industrial engine channels and general Komatsu Utility parts books rather than mainstream Komatsu wheel-loader/excavator parts networks. Buyers value it mainly for that mechanical simplicity: a durable, non-electronic loader-backhoe for basic dig-and-load work, provided the head, turbo (on WB97R-1), and power-shuttle transmission have been kept up.
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 WB95R-1 / WB97R-1(S/N 8901442-Up) specifications
Engine
| Engine family | Perkins 1004.4 four-cylinder diesel, naturally aspirated (WB95R-1), and Perkins 1004.4T turbocharged (WB97R-1). The parts book splits the engine section into aspirated and turbo variants, matching the two model designations. Mechanically governed, no electronic engine management. |
| Gross power, naturally aspirated (WB95R-1) | 56.1 kW (75 hp), per factory spec sheet for this model. |
| Gross power, turbocharged (WB97R-1) | 70 kW (94 hp), per factory spec sheet for this model. |
| Displacement | Not documented for this exact serial range - confirm against the factory shop manual for S/N 8901442-Up. |
| Cylinders | 4, inline, water-cooled diesel. |
| Emissions tier | Mechanical fuel injection, no electronic engine management. Predates Tier/Stage nonroad emissions certification. |
Weights
| Operating weight | approx. 7,500 kg (16,535 lb), 4WD chassis with standard loader bucket and rear backhoe fitted. |
| Ground pressure | Not documented for this exact serial range - confirm against the factory shop manual for S/N 8901442-Up. |
Dimensions
| Transport length | approx. 5.85 m (19 ft 2 in). |
| Transport width | approx. 2.27-2.32 m (7 ft 5 in-7 ft 7 in), varies with tire size fitted. |
| Transport height | approx. 3.65 m (12 ft 0 in), to top of ROPS cab. |
| Standard tires | 16/70-20 or 16/70-24 depending on model designation, all four wheels driven. |
| Wheelbase / ground clearance | Not documented for this exact serial range - confirm against the factory shop manual for S/N 8901442-Up. |
Performance
| Front loader bucket capacity | 1.02 m3 (1.33 yd3), standard general-purpose bucket. |
| Drive system | All-wheel drive (4WD), standard. |
| Backhoe dig depth | Not documented for this exact serial range - confirm against the factory shop manual for S/N 8901442-Up. |
| Travel speed | Not documented for this exact serial range - confirm against the factory shop manual for S/N 8901442-Up. |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
WB95R-1 / WB97R-1(S/N 8901442-Up) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | Approx. 7.0-9.0 L (1.8-2.4 US gal) for this engine family; exact factory fill not published for this serial range. Naturally aspirated (WB95R-1) and turbocharged (WB97R-1) engine variants can differ slightly - confirm against the dipstick full mark before topping off. | Diesel engine oil meeting API CF-4/CG-4 (Komatsu EO-series equivalent). SAE 15W-40 for temperate/warm climates, SAE 10W-30 for cold starts, per the ambient-temperature viscosity chart in the O&M manual. |
| Cooling system | Not published for this serial range in available documentation. Fill to the sight gauge/filler neck per the O&M manual and verify with a coolant level check after a warm-up cycle. | Komatsu Supercoolant (AF-NAC type) or an equivalent ethylene-glycol antifreeze/coolant, mixed to the ratio given in the O&M manual's climate chart. Do not mix coolant types or brands. |
| Fuel tank | Not published for this serial range in available documentation. Use the tank sight gauge/fuel gauge for a full-tank reference. | Automotive-type No. 2 diesel fuel; use low-sulfur or ultra-low-sulfur diesel meeting local emissions rules. Switch to a lighter/winter-grade diesel below freezing to avoid fuel waxing. |
| Hydraulic system (tank and total system) | Not published for this serial range in available documentation. Fill to the sight gauge on the hydraulic tank with the loader arm and backhoe boom in the stored/retracted position; total system volume (tank plus lines, cylinders, cooler) runs higher than tank-only capacity. | Komatsu HO-series hydraulic oil (ISO VG46-equivalent), grade selected by ambient temperature per the O&M manual chart. A biodegradable hydraulic oil is an option where site rules require it. |
| Transmission / torque converter (powershift) | Not published for this serial range in available documentation. Check level via the transmission dipstick/sight gauge with the engine warmed to operating temperature. | Komatsu TO-series powertrain (transmission and torque converter) oil, viscosity grade selected by ambient temperature per the O&M manual chart. |
| Front axle differential | Not published for this serial range in available documentation. Check level at the axle-housing fill/level plug. | Komatsu AXO-series axle oil (hypoid gear oil), viscosity grade by ambient temperature per the O&M manual chart. |
| Rear axle (differential and final reduction) | Not published for this serial range in available documentation. Check the differential housing and each final-reduction hub separately at their own fill/level plugs. | Komatsu AXO-series axle oil (hypoid gear oil), same grade as the front axle unless the O&M manual specifies otherwise for the final-reduction hubs. |
| Grease (chassis and pin lubrication points) | Not a reservoir fill - apply by lubrication interval at each grease fitting, not by total volume. | Lithium-based multipurpose EP grease, NLGI grade 2 (Komatsu Grease or equivalent), at all boom, dipper, bucket-linkage, loader-arm, and stabilizer pivot pins. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu WB95R-1 / WB97R-1(S/N 8901442-Up) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the WB95R-1 / WB97R-1(S/N 8901442-Up) beyond the schedule
Predictive Maintenance & Fluid Analysis
Both engines are pre-electronic: no ECM, no fault codes. Predictive care relies on fluid sampling. Sample engine oil each 250h interval and watch for coolant or fuel dilution, an early sign of head-gasket or injector wear. Check transmission oil for metal flecks or belleville-washer material, the first warning before power-shuttle clutch packs slip under load. Track hydraulic oil condition and cycle-time drift as pump and valve-spool wear indicators. On WB97R-1 units, monitor turbo oil supply and drain lines closely, since neglect fails the turbo faster than the naturally aspirated block.
Corrective & Common Repairs
Common corrective jobs: power-shuttle clutch packs that hesitate or slip as friction material or the belleville washer wears, showing up first as metal flecks in the transmission oil. Front-axle kingpin and pivot-pin bushings wear enough to cause steering wander and stiff four-wheel-drive engagement; jack the axle and check for rim movement. Hydraulic pump and valve-spool wear shows as slower cycle times and stabilizer legs settling under load. Overheating often traces past the water pump to a leaking head gasket; pressure-test the block if cooling parts alone do not fix it.
Overhaul & Rebuild Points
Chronic overheating on this generation often means a cracked head or blown head gasket, not a bad water pump; pressure-test for combustion gas in the coolant before condemning cooling parts. Power-shuttle clutch packs need a full rebuild once slip appears, since the friction plates and belleville washer wear as a set. WB97R-1 turbochargers need shaft and bearing rebuild at high hours. Hydraulic pump and control-valve rebuilds follow years of boom and bucket cycling. Loader-arm, backhoe boom, and kingpin pin-bore wear often needs line-boring once play exceeds a few millimeters.
Seasonal & Environment Servicing
Before winter, check coolant strength in the Perkins radiator circuit and verify the cold-start aid works, since there is no electronic block heater control. Use the correct season-grade engine and hydraulic transmission oil viscosity for ambient temperature. In hot, dusty conditions, clean the air cleaner element and radiator fins more often than standard, since this mechanically governed diesel has no derate logic and will run hot silently. Check outrigger/stabilizer pads and pins for corrosion after wet-site work, and keep axle breathers clear of mud.
WB95R-1 / WB97R-1(S/N 8901442-Up) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| PK2656615 | Fuel Filter, Assembly | Fuel system service | Check fitment → |
| 848001074 | Air Filter, Assembly | Air intake service | Check fitment → |
| 848001075 | Air Filter, Assembly | Air intake service | Check fitment → |
| 885141118 | Glass, Air Filter Clogging | Air intake service | Check fitment → |
| PK2654403 | Oil Filter | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
WB95R-1 / WB97R-1(S/N 8901442-Up) attachments & work tools
Front loader bucket
General-purpose front bucket sized for this class runs roughly 1.0-1.03 m3 (1.3-1.35 yd3) with a width near 2.3-2.32 m, matching the machine's tire track width. Exact rating varies by configuration/series.
Front multi-purpose (4-in-1) bucket
A clamshell-style 4-in-1 bucket is listed in the work-equipment parts range for this platform, letting the front end grab, dose, level, and dig as well as load. Runs off the loader's own hydraulics via an added bucket cylinder.
Pallet forks / bucket forks
Fork attachments mount to the same front loader quick-attach frame as the bucket for pallet and material handling. Rated capacity follows the loader arm's lift and breakout limits for this size class, so oversized loads should be avoided.
Front-end quick-attach coupler
The loader arm uses a quick-attach bracket so the bucket, forks, or 4-in-1 bucket can be swapped without pinning tools by hand. Standard fitment for this size class; exact coupler type can vary by dealer configuration.
Backhoe digging buckets
Rear digging buckets span narrow trenching widths up to a wider general-purpose or ditch-cleaning bucket sized to the boom's dig force and swing clearance for this class. Precise width range is not documented for this exact serial block; confirm with dealer parts listing.
Extendable (telescopic) dipper arm
A factory extending-stick option increases dig depth over the standard dipper for this size class, typically taking depth from roughly 4.5 m standard to about 5.6-5.7 m extended and reach out a similar margin. Figures vary by configuration/series and should be confirmed against the specific unit's boom.
Backhoe quick coupler / hitch
A pin-grabber or dedicated hydraulic hitch on the dipper end allows swapping the backhoe bucket, breaker, or auger without hand-driving mounting pins. Reported as fitted on machines in this WB-series line; treat as a common factory or dealer-installed option rather than universal standard.
Hydraulic hammer/breaker
A rear-mounted hydraulic breaker for demolition and rock work requires an auxiliary hydraulic piping kit routed to the dipper end, sized to the backhoe circuit's flow and pressure for this class. Breaker size should match the machine's dig force rating.
Earth auger
A rear-mounted post-hole auger with its own hydraulic drive motor taps the backhoe's auxiliary hydraulic circuit; multiple bit diameters are typically offered for this size class. Not confirmed as a factory-catalog item for this exact serial range.
Stabilizers / outriggers and boom side-shift
Rear H-frame outrigger legs with pads swing down to stabilize the machine while digging, standard two-leg arrangement for this class. Some machines in this WB-series line also offer hydraulic side-shift of the backhoe boom for offset digging along walls or fences; availability varies by configuration/series.
All WB95R-1 / WB97R-1(S/N 8901442-Up) assemblies by section
Every catalogued assembly group for the Komatsu WB95R-1 / WB97R-1(S/N 8901442-Up). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Control System
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Axle Lubrication Piping
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Frame
| 31***59 | Platform | 1 |
| 31***62 | Rear Platform | 1 |
| 31***47 | Cover | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Front Axle (2wd) (1/2) : Unit_01_of_02
| 20***43 | Front Axle, Assembly | 1 |
| 85***42 | O-Ring | 1 |
| 86***07 | Fitting (Except Germany) | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Front Axle (2wd) (1/2) : Unit_02_of_02
| 20***95 | Front Axle, Assembly | 1 |
| 80***73 | Bolt (Only For Tbg) | 6 |
| 80***72 | Screw | 5 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Front Axle (2wd) (2/2) : Unit_01_of_02
| 20***43 | Front Axle, Assembly | 1 |
| 80***36 | Bolt | 24 |
| 80***80 | Stud | 28 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Front Axle (2wd) (2/2) : Unit_02_of_02
| 80***36 | Bolt | 16 |
| 80***12 | Nut | 4 |
| 86***07 | Fitting (Except Germany) | 4 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Front Axle (4wd) (1/4) : Unit_01_of_02
| 20***44 | Front Axle 4wd, Assembly | 1 |
| 85***42 | O-Ring | 1 |
| 86***07 | Fitting (Except Germany) | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Front Axle (4wd) (1/4) : Unit_02_of_02
| 20***96 | Front Axle, Assembly | 1 |
| 80***73 | Bolt (Only For Tbg) | 6 |
| 80***72 | Screw | 4 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Front Axle (4wd) (2/4)
| 80***23 | Bolt | 8 |
| 80***31 | Bolt | 16 |
| 85***54 | O-Ring | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Front Axle (4wd) (3/4)
| 80***34 | Dowel | 2 |
| 80***80 | Stud | 28 |
| 80***11 | Nut | 28 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Front Axle (4wd) (4/4)
| 80***36 | Bolt | 24 |
| 80***12 | Nut | 4 |
| 86***07 | Fitting (Except Germany) | 4 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Front Propeller Shaft And Front Axle Fixing : Unit_01_of_02
| 31***63 | Drive Shaft, Assembly | 1 |
| 80***95 | Bolt | 8 |
| 80***59 | Bolt | 4 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Front Propeller Shaft And Front Axle Fixing : Unit_02_of_02
| 31***59 | Pin | 1 |
| 31***63 | Drive Shaft, Assembly | 1 |
| 80***95 | Bolt | 8 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Handbrake And Rear Propeller Shaft
| 31***62 | Drive Shaft, Assembly | 1 |
| 31***78 | Cable, Assembly | 1 |
| 50***21 | Pin | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Hydralic Piping (Brake Line) (1/2)
| 31***57 | Pipe | 1 |
| 31***58 | Pipe | 1 |
| 31***59 | Pipe | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Hydralic Piping (Brake Line) (2/2)
| 39***33 | Hose | 1 |
| 39***34 | Hose | 1 |
| 50***55 | Union | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Hydraulic Piping (4wd And Rear Axle Locking Control)
| 31***40 | Union | 1 |
| 31***21 | Protection | 1 |
| 31***00 | Union | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Hydraulic Piping (Transmission Cooling Line)
| 31***46 | Rubber | 1 |
| 31***47 | Plate | 1 |
| 31***48 | Rubber | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Rear Axle (1/5)
| 20***94 | Rear Axle, Assembly | 1 |
| 80***11 | Nut | 32 |
| 80***25 | Snap Ring | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Rear Axle (2/5)
| 80***62 | Bolt | 1 |
| 80***59 | Bolt | 16 |
| 80***10 | Bolt | 16 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Rear Axle (3/5)
| 80***09 | Nut (Version B) | 6 |
| 85***11 | O-Ring | 6 |
| HU***02 | Piston | 6 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Rear Axle (4/5)
| 80***62 | Bolt | 1 |
| 80***53 | Bolt | 10 |
| 80***12 | Nut | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Rear Axle (5/5)
| 80***50 | Bolt | 10 |
| 80***00 | Ring, Snap | 2 |
| 85***32 | O-Ring | 6 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Transmission (1/10)
| 80***60 | Drive Shaft, Assembly | 1 |
| 80***68 | Drive Shaft, Assembly | 1 |
| 80***70 | Drive Shaft, Assembly | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Transmission (10/10) : Unit_01_of_02
| CK***28 | Brake Disk | 1 |
| CK***D8 | Nut | 2 |
| CK***14 | Screw | 4 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Transmission (10/10) : Unit_02_of_02
| CK***28 | Brake Disk | 1 |
| CK***39 | Kit, Piston | 1 |
| CK***40 | Pad, Kit | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Transmission (2/10)
| 80***60 | Drive Shaft, Assembly | 1 |
| CK***12 | Plug | 1 |
| CK***05 | Gasket | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Transmission (3/10)
| CK***19 | Bearing | 1 |
| CK***15 | Ring | 1 |
| CK***10 | Bolt | 6 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Transmission (4/10)
| CK***08 | Peg | 1 |
| CK***85 | Plate | 1 |
| CK***60 | Shaft | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Transmission (5/10)
| CK***06 | Screw | 1 |
| CK***44 | Fifht Wheel | 8 |
| CK***30 | Assembly, Piston | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Transmission (6/10)
| CK***08 | O-Ring | 1 |
| CK***44 | Fifht Wheel | 6 |
| CK***39 | Driven Plate | 11 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Transmission (7/10)
| CK***44 | Fifht Wheel | 8 |
| CK***39 | Driven Plate | 15 |
| CK***61 | Bearing | 4 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Transmission (8/10)
| CK***08 | O-Ring | 2 |
| CK***29 | Gasket | 2 |
| CK***57 | Fork | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Transmission (9/10)
| CK***77 | Spool | 2 |
| CK***20 | O-Ring | 2 |
| CK***12 | Bolt | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Wheels
| 31***65 | Front Rim | 2 |
| 31***82 | Front Rim | 2 |
| 31***83 | Rear Rim | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Control System : Wheels (Optionals)
| 31***64 | Front Rim | 2 |
| 31***86 | Front Rim | 2 |
| 31***87 | Rear Rim | 2 |
Cylinder Head
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Alternator (Aspirated Engine)
| P2***52 | Regulator | 1 |
| P2***60 | Kit, Washer | 1 |
| P2***61 | Kit, Terminal | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Alternator (Turbo Engine)
| P2***52 | Regulator | 1 |
| P2***60 | Kit, Washer | 1 |
| P2***61 | Kit, Terminal | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Alternator And Mountings (Aspirated Engine)
| P2***64 | Nut | 1 |
| P3***04 | Bracket | 1 |
| P2***63 | Nut | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Alternator And Mountings (Turbo Engine)
| P2***64 | Nut | 1 |
| P3***04 | Bracket | 1 |
| P2***63 | Nut | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Application Miscellaneous And Auxiliaries (Aspirated Engine)
| P2***00 | Hose-Clamp | 1 |
| PK***54 | Plug | 2 |
| PK***52 | Washer | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Application Miscellaneous And Auxiliaries (Turbo Engine)
| P3***18 | Spacer | 1 |
| PK***54 | Plug | 2 |
| P2***98 | Hose-Clamp | 4 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Crankshaft, Piston And Connecting Rod (Aspirated Engine)
| PK***81 | Kit, Crankshaft, Assembly | 1 |
| PK***12 | Key | 1 |
| PK***2B | Kit, Bearing (--0.50 mm) | 0 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Crankshaft, Pistons And Connecting Rod (Turbo Engine)
| PK***12 | Key | 1 |
| PK***95 | Kit, Bearing (--0.75 mm) | 0 |
| P3***51 | Thrust Washer | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Cylinder Block (Aspirated Engine)
| 87***17 | Aspirated Engine | 1 |
| PK***10 | Plug | 6 |
| P3***17 | Plug | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Cylinder Block (Turbo Engine)
| 87***18 | Turbo Engine | 1 |
| P3***04 | Spring | 1 |
| PK***10 | Plug | 6 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Cylinder Head (Aspirated Engine)
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Cylinder Head (Turbo Engine)
| PK***10 | Plug | 1 |
| PK***34 | Kit, Cylinder Head | 1 |
| P3***04 | Seat | 4 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Cylinder Head Cover And Lubricating Oil Filler (Aspirated Engine)
| P3***25 | Pipe | 1 |
| P2***10 | Screw | 2 |
| P2***95 | Hose-Clamp | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Cylinder Head Cover And Lubricating Oil Filler (Turbo Engine)
| PK***09 | Washer | 3 |
| P3***25 | Pipe | 1 |
| P2***95 | Hose-Clamp | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Decanter (Aspirated Engine)
| P2***16 | Washer | 1 |
| PK***04 | Sleeve | 2 |
| P2***75 | Tank | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Decanter (Turbo Engine)
| P2***16 | Washer | 1 |
| PK***04 | Sleeve | 2 |
| P2***75 | Tank | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Exhaust Manifold (Turbo Engine)
| P3***03 | Elbow | 1 |
| P2***78 | Stud | 2 |
| P3***45 | Hose-Clamp | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Fan Drive (Aspirated Engine)
| P2***59 | Screw | 4 |
| P3***81 | Pulley, Fan | 1 |
| P2***65 | Belt, Fan | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Fan Drive (Turbo Engine)
| P2***59 | Screw | 4 |
| P3***81 | Pulley, Fan | 1 |
| P2***65 | Belt, Fan | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Fliwheel Housing, Flywheel And Starter Ring (Aspirated Engine)
| P3***54 | Cover | 1 |
| P4***27 | Flywheel | 1 |
| PK***53 | Bolt | 6 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Fliwheel Housing, Flywheel And Starter Ring (Turbo Engine)
| P3***54 | Cover | 1 |
| P4***27 | Flywheel | 1 |
| PK***53 | Bolt | 6 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Front End Drive Input (Aspirated Engine)
| P3***41 | Pulley, Crank Shaft | 1 |
| P3***37 | Screw | 3 |
| P3***01 | Flange | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Front End Drive Input (Turbo Engine)
| P3***41 | Pulley, Crank Shaft | 1 |
| P3***37 | Screw | 3 |
| P3***01 | Flange | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Fuel Injection Nozzle (Aspirated Engine)
| PK***89 | Shim, 0.700 mm | 0 |
| PK***87 | Shim, 0.660 mm | 0 |
| PK***83 | Shim, 0.580 mm | 0 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Fuel Injection Nozzle (Turbo Engine)
| PK***89 | Shim, 0.700 mm | 0 |
| PK***87 | Shim, 0.660 mm | 0 |
| PK***83 | Shim, 0.580 mm | 0 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Fuel Injection System (1/2) (Turbo Engine)
| P3***02 | Hose-Clamp | 4 |
| P3***12 | Nut | 1 |
| P2***10 | Sleeve | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Fuel Injection System (2/2) (Turbo Engine)
| PK***02 | Sleeve | 1 |
| P3***12 | Nut | 1 |
| P3***04 | Nut | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Fuel Injection System (Aspirated Engine)
| P3***02 | Hose-Clamp | 4 |
| P3***12 | Nut | 1 |
| P2***10 | Sleeve | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Induction And Exaust Manifolds (Aspirated Engine)
| P2***78 | Stud | 4 |
| P3***31 | Manifold, Exhaust | 1 |
| P3***09 | Gasket | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Induction Manifold (Turbo Engine)
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Injection Pump (Turbo Engine)
| P2***98 | Ring | 1 |
| P2***16 | Roller | 1 |
| P2***30 | Shaft | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Joints And Gaskets-Bottom Service Kit (Aspirated Engine)
| P3***06 | Gasket | 1 |
| P3***07 | Gasket | 1 |
| P3***08 | Gasket | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Joints And Gaskets-Botton Service Kit (Turbo Engine)
| P3***06 | Gasket | 1 |
| P3***07 | Gasket | 1 |
| P3***08 | Gasket | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Joints And Gaskets-Top Service Kit (Aspirated Engine)
| P3***44 | Gasket | 1 |
| P3***09 | Gasket | 1 |
| P3***03 | Gasket | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Joints And Gaskets-Top Service Kit (Turbo Engine)
| P3***44 | Gasket | 1 |
| P3***09 | Gasket | 1 |
| P3***03 | Gasket | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Low Pressure Fuel System (Aspirated Engine)
| P4***03 | Pipe, Fuel | 1 |
| P3***12 | Nut | 2 |
| P3***06 | Pipe, Fuel | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Low Pressure Fuel System (Turbo Engine)
| P4***03 | Pipe, Fuel | 1 |
| P3***12 | Nut | 2 |
| P3***06 | Pipe, Fuel | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Lubricating Oil Filter (Aspirated Engine)
| PK***08 | Sleeve | 1 |
| P4***56 | Pipe, Oil | 1 |
| P3***05 | Hose-Clamp | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Lubricating Oil Filter (Turbo Engine)
| PK***08 | Sleeve | 1 |
| P3***05 | Hose-Clamp | 1 |
| P3***39 | Union | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Lubricating Oil Pump And Delivery Housing (Aspirated Engine)
| P3***03 | Spring | 1 |
| P3***25 | Washer | 1 |
| P3***11 | Flange | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Lubricating Oil Pump And Delivery Housing (Turbo Engine)
| P3***03 | Spring | 1 |
| P3***25 | Washer | 1 |
| P3***11 | Flange | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Lubricating Oil Sump (Aspirated Engine)
| P3***02 | Plate | 1 |
| P3***12 | Bracket | 1 |
| P3***01 | Plug | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Lubricating Oil Sump (Turbo Engine)
| P3***02 | Plate | 1 |
| P3***12 | Bracket | 1 |
| P3***01 | Plug | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Pre Fuel Filter (Turbo Engine)
| PK***15 | Fuel Filter, Assembly | 1 |
| P2***16 | Washer | 1 |
| P3***12 | Nut | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Pre-Fuel Filter (Aspirated Engine)
| PK***15 | Fuel Filter, Assembly | 1 |
| P2***16 | Washer | 1 |
| P3***12 | Nut | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Pre-Lift Pump (Aspirated Engine)
| P3***07 | Gasket | 1 |
| P2***33 | Screw | 4 |
| P3***16 | Plate | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Pre-Lift Pump (Turbo Engine)
| P3***07 | Gasket | 1 |
| P2***33 | Screw | 4 |
| P3***16 | Plate | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Rocker Shaft (Aspirated Engine)
| P2***31 | Stud | 3 |
| PK***22 | Screw | 1 |
| PK***79 | Screw | 8 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Rocker Shaft (Turbo Engine)
| P2***31 | Stud | 3 |
| PK***22 | Screw | 1 |
| PK***79 | Screw | 8 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Starter Motor (Aspirate Engine)
| P2***95 | Kit, Seal | 1 |
| P2***04 | Nut | 3 |
| P2***84 | Kit, Brusch | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Starter Motor (Turbo Engine)
| P2***95 | Kit, Seal | 1 |
| P2***04 | Nut | 3 |
| P2***84 | Kit, Brusch | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Throttle, Stop Controls (Aspirated Engine)
| P3***04 | Bracket | 1 |
| PK***02 | Washer, Spring | 2 |
| P2***01 | Screw | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Throttle, Stop Controls (Turbo Engine)
| P3***04 | Bracket | 1 |
| PK***02 | Washer, Spring | 2 |
| PK***31 | Pin | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Timing Gear And Camshaft (Aspirated Engine)
| PK***12 | Key | 1 |
| P4***23 | Idle Gear, Assembly | 1 |
| P3***11 | Gear | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Timing Gear And Camshaft (Turbo Engine)
| PK***12 | Key | 1 |
| P4***13 | Gear | 1 |
| PK***54 | Plug | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Turbocharger (Turbo Engine)
| P2***11 | Collar | 1 |
| P2***68 | Kit, Turbocharger | 0 |
| P2***82 | Lock Plate | 3 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Water Pump And Thermostat (Aspirated Engine)
| P2***55 | Seal, Oil | 1 |
| P2***05 | Seal, Oil | 1 |
| P2***10 | Screw | 4 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Cylinder Head : Water Pump And Thermostat (Turbo Engine)
| P2***55 | Seal, Oil | 1 |
| P2***05 | Seal, Oil | 1 |
| P2***10 | Screw | 4 |
Engine Related Parts And Electrical System
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : "Egs" Gearbox Drive
| CK***86 | Gearbox Drive, Assembly | 1 |
| CK***96 | Belows | 1 |
| CK***12 | Lever | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Air Cleaner And Muffler (Aspirated Angine)
| 31***69 | Muffler | 1 |
| 31***71 | Muffler | 1 |
| 31***86 | Filter Support | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Air Cleaner And Muffler (Turbo Engine)
| 31***69 | Muffler | 1 |
| 31***70 | Muff | 1 |
| 31***86 | Filter Support | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Air Cleaner, Muffler And Radiator (Aspirated Engine)
| 31***69 | Muffler | 1 |
| 31***71 | Muffler | 1 |
| 31***86 | Filter Support | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Air Cleaner, Muffler And Radiator (Turbo Engine)
| 31***69 | Muffler | 1 |
| 31***70 | Muff | 1 |
| 31***86 | Filter Support | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Electrical System (1/4)
| 81***19 | Wiring Harness, Assembly | 1 |
| 81***20 | Cable | 1 |
| 81***50 | Wiring Harness, Assembly | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Electrical System (2/4)
| 80***67 | Bolt (Optional) | 2 |
| 80***10 | Self-Locking Nut | 1 |
| 80***08 | Washer (Optional) | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Electrical System (3/4)
| 31***88 | Support | 1 |
| 50***06 | Battery Retainer, Rear | 1 |
| 50***07 | Rubber | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Electrical System (4/4)
| 31***36 | Support | 1 |
| 31***37 | Gasket | 1 |
| 31***85 | Support, R.H | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Engine Mounting Part And Power Take Off (Aspirated Engine)
| 31***75 | Support, Front, L.H | 1 |
| 31***76 | Support, Front, R.H | 1 |
| 31***77 | Support, Rear, R.H | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Engine Mounting Part And Power Take Off (Turbo Engine)
| 31***75 | Support, Front, L.H | 1 |
| 31***76 | Support, Front, R.H | 1 |
| 31***77 | Support, Rear, R.H | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Front Dashboard
| 31***53 | Front Instrument Board | 1 |
| 31***59 | Commutator | 1 |
| 31***12 | Lower Cover | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Fuel Piping : Unit_02_of_02
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Fuel Piping : Unit_01_of_02
| 20***57 | Plug, Assembly | 1 |
| 31***50 | Fuel Tank | 1 |
| 31***53 | Step, Upper | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Lateral Dashboard
| 31***54 | Lateral Instrument Board | 1 |
| 80***42 | Screw | 10 |
| 81***48 | Ash-Tray | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Radiator : Unit_02_of_02
| 31***95 | Radiator, Assembly | 1 |
| 31***07 | Protection | 1 |
| 31***40 | Muff | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Radiator : Unit_01_of_02
| 31***18 | Cover | 1 |
| 31***93 | Radiator, Assembly | 1 |
| 31***40 | Muff | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Engine Related Parts And Electrical System : Self Supply Pump
| 31***51 | Drip | 1 |
| 50***78 | U-Bolt | 2 |
| 50***10 | Elbow | 1 |
Guard And Operator'S Cab
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Guard And Operator'S Cab : Backhoe Control Lever
| 31***04 | Spacer | 8 |
| 31***12 | Connection L.H | 1 |
| 31***13 | Connection R.H | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Guard And Operator'S Cab : Backhoe Control Pedal (For Jig Arm) : Unit_01_of_02
| 31***56 | Support | 1 |
| 31***60 | Pedal | 1 |
| 31***61 | Pin | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Guard And Operator'S Cab : Backhoe Control Pedal (For Jig Arm) : Unit_02_of_02
| 31***04 | Spacer | 2 |
| 31***56 | Support | 1 |
| 31***60 | Pedal | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Guard And Operator'S Cab : Backhoe Control Pedal (For Side Digging Boom)
| 31***56 | Support | 1 |
| 31***60 | Pedal | 1 |
| 31***61 | Pin | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Guard And Operator'S Cab : Braking Control Pedal
| 31***54 | Pin | 1 |
| 31***55 | Brake Pedal, R.H | 1 |
| 31***56 | Brake Pedal, L.H | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Guard And Operator'S Cab : Bucket - 4 In 1 Control Lever
| 31***04 | Spacer | 3 |
| 31***50 | Lever | 1 |
| 39***73 | Tie-Rod | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Guard And Operator'S Cab : Fuel Control Lever
| 31***46 | Support | 1 |
| 31***06 | Cable, Assembly | 1 |
| 31***07 | Pin | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Guard And Operator'S Cab : Outrigger Control Lever
| 31***48 | Command Boot | 2 |
| 31***62 | Support | 1 |
| 31***66 | Support | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Guard And Operator'S Cab : Shovel Control Lever
| 31***51 | Knob | 1 |
| 31***61 | Support | 1 |
| 31***50 | Connection | 1 |
Mark Plate
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Arm And Bucket
| 20***02 | Lever, R.H | 1 |
| 20***03 | Lever, L.H | 1 |
| 20***78 | Pin | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Arm Cylinder
| 39***00 | Arm Cylinder, Assembly | 1 |
| 39***01 | Piston Rod | 1 |
| 39***01 | Head, Cylinder | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Arm Cylinder (For Side Digging Boom)
| 39***00 | Arm Cylinder (For Side Digging Boom), Assembly | 1 |
| 39***11 | Bushing | 1 |
| 39***03 | Piston Rod | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Blade
| 20***60 | Support, Angledozer | 1 |
| 20***31 | Blade, Dozer | 1 |
| 20***32 | Support, R.H | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Boom Cylinder
| 39***00 | Boom Cylinder, Assembly | 1 |
| 39***01 | Piston | 1 |
| 39***01 | Brake Pin | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Boom Swing Cylinder
| 31***01 | Brake | 1 |
| 39***00 | Boom Swing Cylinder, Assembly., L.H | 1 |
| 39***00 | Boom Swing Cylinder, Assembly., R.H | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Bracket And Boom
| 20***66 | Slide Block | 2 |
| 20***68 | Support | 1 |
| 31***51 | Bracket | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Bucket - 4 In 1
| 20***84 | Bucket 4 In 1, Assembly | 1 |
| 31***54 | Tooth | 8 |
| 31***68 | Bucket 4 In 1, Assembly | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Bucket 4 In 1 Cylinder
| 31***03 | Piston Rod | 1 |
| 31***04 | Cylinder | 1 |
| 31***74 | Bucket 4 In 1 Cylinder, Assembly | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Bucket Cylinder
| 20***03 | Piston Rod | 1 |
| 31***54 | Pipe | 0 |
| 31***01 | Retainer | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Bucket With Manual Fast Coupling
| 20***76 | Lever | 1 |
| 20***37 | Frame | 1 |
| 31***54 | Tooth | 8 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Equipment
| 20***88 | Ptorection (Except Germany) | 1 |
| 31***55 | Washer | 2 |
| 31***04 | Plate, Support | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Equipment (Germany)
| 20***24 | Chain (With Stabilizers Only) | 2 |
| 31***51 | Arm, R.H | 1 |
| 80***65 | Bolt | 8 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Fork (For Bucket 4 In 1)
| 31***64 | Fork | 2 |
| 31***65 | Rod | 2 |
| 31***66 | Pin | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Hammer M50 (1/2)
| 82***31 | M50 Hammer, Assembly | 1 |
| 82***33 | Chisel Point (Optional) | 1 |
| 82***38 | Flat Point (Optional) | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Hammer M50 (2/2)
| 82***31 | M50 Hammer, Assembly | 1 |
| 82***54 | Fitting | 1 |
| 82***55 | Retainer | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Hammer M60 (1/2)
| 82***32 | M60 Hammer, Assembly | 1 |
| 82***34 | Chisel Point (Optional) | 1 |
| 82***45 | Flat Point (Optional) | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Hammer M60 (2/2)
| 82***32 | M60 Hammer, Assembly | 1 |
| 82***54 | Fitting | 2 |
| 82***58 | Spring | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Horizontal Outrigger
| 20***24 | Chain (With Stabilizers Only) | 2 |
| 20***02 | Support, R.H | 1 |
| 20***03 | Support, L.H | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Jig Arm
| 20***50 | Movable Arm | 1 |
| 20***51 | Fixed Arm | 1 |
| 31***65 | Movable Arm (Casting Version) | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Jig Arm Cylinder : Unit_01_of_02
| 20***77 | Jig Arm Cylinder, Assembly | 1 |
| 20***51 | Cylinder | 1 |
| 20***08 | Piston Rod | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Jig Arm Cylinder : Unit_02_of_02
| 20***08 | Piston Rod | 1 |
| 31***54 | Pipe | 1 |
| 31***55 | Pipe | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Shovel Bucket And Arm
| 20***46 | Link, R.H | 1 |
| 20***47 | Link, L.H | 1 |
| 20***48 | Link | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Shovel Dumping Cylinder
| 39***00 | Dump Cylinder, Assembly | 2 |
| 39***11 | Cylinder Head | 1 |
| 39***15 | Piston | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Shovel Lifting Cylinder
| 39***00 | Lift Cylinder, Assembly | 2 |
| 39***11 | Cylinder Head | 1 |
| 39***15 | Piston | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Side Digging Boom
| 20***79 | Pin | 1 |
| 20***30 | Articulation | 1 |
| 20***75 | Support | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Side Digging Boom Cylinder
| 20***40 | Side Digging Boom Cylinder, Assembly | 1 |
| 20***20 | Cylinder | 1 |
| 20***80 | Piston Rod | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Sticker - Warning Plate
| 31***22 | Plate, Fork Positining (Italy) | 1 |
| 31***18 | Plate, Egs Device | 1 |
| 31***25 | Plate, Operation | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Tools
| 80***10 | Wrench | 1 |
| 82***35 | Grease Pump | 1 |
| 82***52 | Box Wrench (32 mm) | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Mark Plate : Vertical Outrigger
| 20***24 | Chain (With Stabilizers Only) | 2 |
| 20***13 | Foot (Optional) | 2 |
| 20***14 | Foot, R.H | 1 |
Work Equipment
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Backhoe Control Valve (1/3)
| 84***98 | Control Valve, Assembly. (Series Type) | 1 |
| 84***99 | Control Valve, Assembly. (Parallel Type) | 1 |
| 84***23 | O-Ring | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Backhoe Control Valve (2/3) (Parallel Type)
| 84***99 | Control Valve, Assembly. (Parallel Type) | 1 |
| 84***12 | Safety Valve, Assembly | 3 |
| 84***13 | Safety Valve, Assembly | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Backhoe Control Valve (2/3) (Series Type)
| 84***98 | Control Valve, Assembly. (Series Type) | 1 |
| 84***12 | Safety Valve, Assembly | 3 |
| 84***13 | Safety Valve, Assembly | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Backhoe Control Valve (3/3)
| 84***98 | Control Valve, Assembly. (Series Type) | 1 |
| 84***99 | Control Valve, Assembly. (Parallel Type) | 1 |
| 84***12 | Safety Valve, Assembly | 4 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Backhoe Control Valve (For Jig Arm) : Unit_01_of_02
| 50***24 | Tie-Rod, Assembly | 4 |
| 84***02 | Control Valve, Assembly | 1 |
| 84***23 | O-Ring | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Backhoe Control Valve (For Jig Arm) : Unit_02_of_02
| 84***11 | Control Valve, Assembly. (Series Type) | 1 |
| 84***14 | Control Valve, Assembly. (Parallel Type) | 1 |
| 84***23 | O-Ring | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Backhoe Control Valve (For Side Digging Boom)
| 50***24 | Tie-Rod, Assembly | 4 |
| 84***01 | Control Valve, Assembly | 1 |
| 84***13 | Safety Valve, Assembly | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydralic Piping (Shovel Tipping Cylinder Line) (Safety Valve)
| 20***01 | Pipe | 2 |
| 31***00 | Fastener | 2 |
| 31***01 | Plate | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Pipina (Shovel Lifting Cylinder Line)
| 20***95 | Union | 1 |
| 36***11 | Protection | 2 |
| 39***00 | Lift Cylinder, Assembly | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Arm And Bucket Cylinder Line)(For Side Digging Boom)
| 20***49 | Pipe | 1 |
| 20***51 | Pipe | 1 |
| 31***51 | Pipe | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Arm Cylinder Line) : Unit_01_of_02
| 31***56 | Hose-Clamp | 2 |
| 31***01 | Plate | 2 |
| 31***04 | Plate | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Arm Cylinder Line) : Unit_02_of_02
| 31***53 | Support | 1 |
| 31***04 | Plate | 3 |
| 31***56 | Hose-Clamp | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Arm Cylinder Line) (Safety Valve)
| 31***07 | Union | 1 |
| 31***66 | Pipe | 1 |
| 31***01 | Support | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Boom Cylinder Line) (Parallel Type)
| 31***59 | Pipe | 1 |
| 31***01 | Plate | 4 |
| 31***03 | Support | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Boom Cylinder Line) (Safety Valve)
| 31***62 | Pipe | 1 |
| 31***63 | Pipe | 1 |
| 31***64 | Pipe | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Boom Cylinder Line) (Series Type)
| 31***59 | Pipe | 1 |
| 31***01 | Plate | 4 |
| 31***03 | Support | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Boom Swing Cylinder Line)
| 31***01 | Plate | 4 |
| 31***03 | Support | 1 |
| 31***13 | Clamp (Wit Hammer) | 6 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Bucket - 4 In 1 Cylinder Line) (1/2)
| 20***31 | Pipe, L.H | 1 |
| 20***32 | Pipe, R.H | 1 |
| 31***03 | U-Bolt | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Bucket - 4 In 1 Cylinder Line) (2/2)
| 20***84 | Bucket 4 In 1, Assembly | 1 |
| 31***68 | Bucket 4 In 1, Assembly | 1 |
| 31***78 | Pin | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Bucket Cylinder Line)
| 31***54 | Pipe | 1 |
| 31***58 | Plate | 1 |
| 31***05 | Hose-Clamp | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Bucket Cylinder Line) (For Jig Arm)
| 31***50 | Pipe, R.H | 1 |
| 31***51 | Pipe, L.H | 1 |
| 31***63 | Pipe | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Delivery And Return Line) (Backhoe Control Valve (Fo
| 20***30 | Union | 1 |
| 39***76 | Hose | 1 |
| 39***40 | Hose | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Delivery And Return Line) (Backhoe Control Valve)
| 39***76 | Hose | 1 |
| 39***40 | Hose | 1 |
| 39***05 | Hose | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Hammer Line) (1/2) : Unit_01_of_02
| 20***20 | Union | 1 |
| 50***76 | Support | 1 |
| 50***20 | Union | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Hammer Line) (1/2) : Unit_02_of_02
| 20***20 | Union | 1 |
| 50***76 | Support | 1 |
| 50***20 | Union | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Hammer Line) (2/2)
| 20***70 | Plug (Only For Disconnecting Hammer) | 1 |
| 31***08 | Support, R.H | 1 |
| 31***09 | Support, L.H | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Hand Hammer Line) : Unit_02_of_02
| 20***32 | Delivery Fast Coupling Line | 1 |
| 20***35 | Coupling, Return | 1 |
| 31***02 | Support | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Hand Hammer Line) : Unit_01_of_02
| 20***32 | Delivery Fast Coupling Line | 1 |
| 20***35 | Coupling, Return | 1 |
| 31***02 | Support | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Horizontal Outrigger Cylinder Line)
| 20***04 | Piston Rod | 1 |
| 39***49 | Extension | 2 |
| 39***00 | Horizontal Outrigger Cylinder, Assembly | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Horizontal Outrigger Cylinder Line) (Safety Valve) : Unit_01_of_02
| 20***30 | Union | 2 |
| 31***67 | Pipe, R.H | 1 |
| 31***68 | Pipe, L.H | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Horizontal Outrigger Cylinder Line) (Safety Valve) : Unit_02_of_02
| 31***67 | Pipe, R.H | 1 |
| 31***68 | Pipe, L.H | 1 |
| 50***67 | Union | 4 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Jig Arm Cylidner Line)
| 39***01 | Hose | 2 |
| 39***02 | Hose | 2 |
| 39***05 | Hose | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Jig Arm Cylinder Line)
| 39***01 | Hose | 2 |
| 39***02 | Hose | 2 |
| 39***05 | Hose | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Locking Cylinder Line)
| 20***72 | Locking Cylinder, Assembly | 4 |
| 20***01 | Slide Block | 4 |
| 20***06 | Pipe | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Oil Cooler And Return Line) : Unit_01_of_02
| 20***06 | Union | 1 |
| 31***93 | Radiator, Assembly | 1 |
| 31***95 | Radiator, Assembly | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Oil Cooler And Return Line) : Unit_02_of_02
| 20***06 | Union | 1 |
| 31***95 | Radiator, Assembly | 0 |
| 31***95 | Union | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Shovel Lifting Cylinder) (Safety Valve)
| 20***92 | Pipe, R.H | 1 |
| 20***03 | Pipe, R.H | 1 |
| 31***50 | Pipe | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Shovel Tipping Cylinder Line)
| 20***27 | Pin | 2 |
| 20***65 | Pipe | 1 |
| 20***89 | Protection, R.H | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Side Digging Boom Cylinder Line)
| 39***89 | Hose | 1 |
| 39***90 | Hose | 1 |
| 39***52 | Hose | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Steering Cylinder Line)
| 20***90 | Pressure Take-Up | 1 |
| 31***53 | Steering Coloumn, Assembly | 1 |
| 36***67 | Steering Wheel, Assembly | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Suction And Delivery Line)
| 20***30 | Union | 1 |
| 20***49 | Union | 1 |
| 20***90 | Pressure Take-Up | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Vertical Outrigger Cylinder Line)
| 20***27 | Vertical Outrigger Cylinder, Assembly | 2 |
| 20***01 | Cylinder | 1 |
| 20***01 | Rod Piston | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Vertical Outrigger Cylinder Line) (Safety Valve) : Unit_02_of_02
| 50***45 | Union (For Hydraulic Lock) | 4 |
| 50***10 | Elbow | 4 |
| 84***32 | Valve, Assembly | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Piping (Vertical Outrigger Cylinder Line) (Safety Valve) : Unit_01_of_02
| 20***97 | Pipe | 4 |
| 50***43 | Union (For Homologation Road) | 8 |
| 84***06 | Valve, Assembly | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Pump (Hamworthy)
| 84***03 | Hydraulic Pump, Assembly | 1 |
| 84***01 | O-Ring | 2 |
| 84***03 | Ring, Wear | 4 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Tank : Unit_01_of_02
| 20***40 | Indicator Oil Level | 1 |
| 20***68 | Cap, Assembly | 1 |
| 31***51 | Hydraulic Tank | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Hydraulic Tank : Unit_02_of_02
| 20***40 | Indicator Oil Level | 1 |
| 20***60 | Breather Plug | 1 |
| 20***13 | Plug | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Shovel Control Valve
| 84***45 | Shovel Control Valve, Assembly | 1 |
| 84***12 | Safety Valve, Assembly | 2 |
| 84***23 | O-Ring | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Shovel Control Valve (Floating Lifting Element)
| 84***44 | Control Valve, Assembly | 1 |
| 84***23 | O-Ring | 1 |
| 84***16 | Block, Shovel Floating Lifting, Assembly | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment : Shovel Control Valve (For Bucket - 4 In 1)
| 84***00 | Shovel Control Valve, Assembly. (For Bucket 4 In 1) (W | 1 |
| 84***12 | Safety Valve, Assembly | 1 |
| 84***23 | O-Ring | 1 |
Work Equipment Control System
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment Control System : Cabin (1/7)
| 31***68 | Frame, Door, R.H | 1 |
| 31***69 | Frame, Door, L.H | 1 |
| 31***70 | Frame, Lateral, R.H | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment Control System : Cabin (2/7)
| 31***16 | Pin | 2 |
| 31***17 | Bushing | 2 |
| 31***18 | Pin | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment Control System : Cabin (3/7)
| 31***81 | Handle, R.H | 1 |
| 31***82 | Handle, L.H | 1 |
| 31***56 | Hook, R.H | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment Control System : Cabin (4/7)
| 31***85 | Handle, External, R.H | 1 |
| 31***86 | Handle, External | 1 |
| 31***59 | Cover | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment Control System : Cabin (5/7)
| 31***96 | Panel, Under-Roof | 1 |
| 31***09 | Cover | 1 |
| 31***10 | Panel, Front, R.H | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment Control System : Cabin (6/7)
| 31***60 | Cover, Rear | 1 |
| 31***22 | Bracket | 1 |
| 80***44 | Bolt | 2 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment Control System : Cabin (7/7)
| 31***02 | Washer Glass, Assembly | 1 |
| 31***42 | Support | 1 |
| 31***13 | Support | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment Control System : Covers
| 31***54 | Grille | 1 |
| 31***09 | Front Radiator Grill | 1 |
| 31***38 | Peg | 4 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment Control System : Floor Mat, Dashboard
| 20***10 | Board, Central | 1 |
| 20***06 | Covering | 1 |
| 20***07 | Covering | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment Control System : Heating System : Unit_02_of_02
| 31***53 | Support, Heating | 1 |
| 31***04 | Union | 2 |
| 31***06 | Union | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment Control System : Heating System : Unit_01_of_02
| 31***04 | Union | 2 |
| 31***06 | Union | 1 |
| 36***94 | Rubber | 1 |
Komatsu : Wb95r-1 / Wb97r-1(S/N 8901442-Up) : Work Equipment Control System : Operator'S Seat
| 20***39 | Operator'S Seat Stand | 1 |
| 36***76 | Operator'S Seat, Assembly | 1 |
| 80***22 | Bolt | 4 |
Frequently asked questions
What engine does the Komatsu WB95R-1 / WB97R-1 (S/N 8901442-Up) use?
The WB95R-1 runs a naturally aspirated Perkins 1004.4, a four-cylinder diesel. The WB97R-1 runs the turbocharged 1004.4T version of the same engine. Both are mechanically governed, with no electronic engine management and no ECM fault codes.
What is the operating weight of the WB95R-1 / WB97R-1?
Operating weight is approximately 7,500 kg (16,535 lb), with a front bucket capacity near 1.02 m3 (1.33 yd3). All-wheel drive is standard across both models.
What replaced the Komatsu WB95R-1 / WB97R-1?
From 1999, Komatsu Utility replaced the Perkins-powered WB95R-1/WB97R-1 with the WB91R-2, WB93R-2, and WB97R-2 (later WB97R-5 and WB97R-8), which moved to Komatsu's own 4D106 diesel or Yanmar-family SAA4D95LE-3/4TNV106 engines.
What WB95R-1 / WB97R-1(S/N 8901442-Up) owners discuss
What's the real difference between the naturally aspirated engine in the WB95R-1 and the turbocharged engine in the WB97R-1, and does it matter for reliability?
The WB95R-1 runs a mechanically governed Perkins 1004.4 naturally aspirated diesel; the WB97R-1 runs the 1004.4T turbocharged version for extra output. Both are pre-electronic - no ECM, no fault codes - so all diagnosis is mechanical: compression, fuel delivery, boost, and cooling flow. Owners describe the naturally aspirated engine as very simple and forgiving, with fewer failure points and long service life on basic oil and fuel maintenance alone. The turbo version makes noticeably more torque but is less tolerant of neglect: turbo lubrication, oil quality, and cooling system condition all need closer attention than on the NA engine.
This machine runs hot fast. What actually causes overheating on these Perkins-powered loader-backhoes?
Work the cooling loop in order before assuming the worst: sticking thermostat, worn or slipping water pump impeller, radiator core blocked internally or externally, and fan/belt condition. There are cases on record where owners replaced the water pump, radiator, and fan and the machine still ran hot within minutes of starting - the actual cause turned out to be a head gasket or cracked head letting combustion gas into the coolant, which pressurizes the system and defeats normal cooling. A block/head pressure test and a check for combustion gas in the coolant is the diagnostic that catches this once the obvious parts have already been replaced. Because head/gasket failure affects both engine life and safe operation, have your dealer verify head condition before putting the machine back to full work.
Owners complain about hesitant or slipping forward/reverse engagement - what's behind that on this generation of machine?
The power shuttle transmission engages forward and reverse through clutch packs, and the common complaint is sluggish engagement or slipping under load as the friction material wears. A cracked belleville washer inside the pack is another known cause, sometimes made worse by low or contaminated transmission oil. Metal flecks in the transmission oil or on a magnetic drain plug is the early warning sign that shows up before a full loss of drive.
The loader and backhoe hydraulics feel weaker than they used to - is that normal for a machine this age?
Yes, and it's one of the most commonly reported wear areas on loader-backhoes generally. Years of boom, bucket, and loader-arm cycling wear the pump and control valve spools, especially on machines that saw regular hammer or other high-flow attachment work. Typical symptoms are slower cycle times, reduced lift and breakout force, and stabilizer legs that no longer hold full pressure under load. Rule out the cheap causes first - low or degraded hydraulic fluid, air trapped in the system after any hose work, and worn cylinder seals bypassing internally - before condemning the pump itself, since pump wear is usually the last thing to check, not the first.
What wear points should I expect on the front axle, steering, and the boom/stabilizer pins on a machine this age?
On the front axle, watch for steering looseness or wander, axle noise or vibration in transport, and uneven front tire wear - all typical signs of worn kingpin bushings or axle pivot pins. Jack the front axle and rock the wheel top-to-bottom and side-to-side; more than a few millimeters (about 1/8 in) of movement at the rim means the kingpin bushings need attention, and a kingpin that has gone dry for a long stretch is a common reason four-wheel-drive engagement gets stiff or notchy. On the loader arms, backhoe boom, dipper, bucket linkage, and stabilizer legs, work the controls through full range with the bucket on the ground and feel for play at each pin joint - noticeable movement means the bushing or pin needs replacing before the pin bore itself elongates. Stabilizer legs that slowly settle under load usually trace to cylinder seal wear rather than the pin. Because steering and structural pin wear affect safe operation, have your dealer verify axle and pin-bore condition if you find measurable play.
What electrical or sensor problems come up most on these machines?
This generation of loader-backhoe has a simple, largely mechanical electrical system with no engine ECM and no network of sensors, so most electrical complaints trace back to basics rather than complex electronics: corroded or loose battery and ground connections, chafed harness insulation at chassis flex points causing intermittent blown fuses, and simple pressure or temperature sender units giving false warning-light readings instead of an actual engine fault. A warning light that comes and goes with vibration, cold starts, or after washing the machine is almost always a connector or sender problem, not a fault deep in the wiring loom. Working through fuses, grounds, and sender continuity first resolves most reported electrical complaints before any harness work is needed.
What should I check before buying a used WB95R-1 / WB97R-1?
Confirm which engine is actually fitted - naturally aspirated or turbocharged - since a mismatched or swapped engine changes the expected service routine. Start the engine cold and watch time-to-normal-temperature; a fast climb toward overheating flags a cooling system or head gasket problem. Check the coolant for oil contamination and the oil for a milky coolant mix. Jack the front axle and check for kingpin and pivot play, then cycle the loader arms, backhoe boom, dipper, bucket, and stabilizer legs through full range checking for pin and bushing slop and for stabilizer drift under load. Confirm the power shuttle engages cleanly in both directions without hesitation or slip. Because this is an older, low-volume Komatsu-Italia-built machine, also check realistic parts lead time before buying - engine, transmission, and hydraulic components can take longer to source than on a current-production model.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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