Komatsuwheel loadermedium (wa140 - wa380)
Komatsu WB140-2(S/N 140F10001-Up)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu WB140-2 (S/N 140F10001-Up) is a wheeled loader-backhoe: a rigid-frame tractor unit with a front loader bucket and a rear-mounted backhoe (boom, dipper, bucket) on stabilizer outriggers, filed in Komatsu's own parts catalogs under wheel loader despite the combination layout. This is the base production block for the WB140-2 nameplate, covering machines built from 1999 into the mid-2000s before later running-change serial blocks took over under the same model designation. Power comes from a Komatsu S4D106 4-cylinder diesel, mechanically governed (no engine ECM); factory parts documentation for this serial range covers both naturally aspirated and turbocharged builds, rated about 64 kW (86 hp) net. Operating weight runs roughly 7,525-7,530 kg (16,590-16,600 lb). Drive runs through a torque-converter transmission with a synchro power shuttle, not the full power-shift setup used on the WB140PS-2 trim, backed by selectable two- and four-wheel steer. Komatsu offered a standard or factory-extendable backhoe dipper, plus loader-end options such as a 4-in-1 bucket, forks, and grapple.
Within the WB140-2 nameplate, Komatsu issued later running-change serial blocks (around 140F11451-Up and 140F11531-Up) without a documented engine or major configuration change, then moved the platform forward as the WB140-2N, built under its own serial series with a revised S4D106 turbo arrangement. The power-shift WB140PS-2 ran in parallel as a separate trim rather than as a successor. In the used market, this machine turns up mainly as a compact utility loader-backhoe: owners rate it as tough, easy to maneuver, and economical to run, though some note it feels underpowered next to same-class Case, Cat, and Deere tractor-loader-backhoes. Komatsu never matched those brands' market share in this segment, so parts familiarity and dealer stocking can lag; budget extra lead time when sourcing parts for a machine in this serial range.
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 WB140-2(S/N 140F10001-Up) specifications
Engine
| Engine model | Komatsu S4D106 4-cylinder diesel, vertical 4-cycle, water-cooled, direct injection. Factory parts documentation for this serial range covers both naturally aspirated and turbocharged builds (including the S4D106-1FH arrangement); engine spec varies by configuration within this range. A later production update (WB140-2N nameplate) moved to a revised S4D106-2XFH arrangement and does not apply to this serial range. |
| Power | 86 hp (64.1 kW) net at 2200 rpm, per SAE J1349. Gross power not separately published for this arrangement. |
| Displacement / cylinders | 4.4 L (269 cu in), 4 cylinders, bore x stroke 106 x 125 mm (4.2 x 4.9 in). |
| Emissions tier | Not published for this serial range; production predates formal off-road emissions tiering in its market era. |
Weights
| Operating weight | About 7,525-7,530 kg (16,590-16,600 lb); figures vary slightly by source and bucket/counterweight configuration. |
| Shipping weight | Not separately published for this model; operating weight is the figure carried in factory literature. |
| Ground pressure | Not published — wheeled loader/backhoe, not a track-type spec. |
Dimensions
| Transport length | About 6.13 m (20 ft 1 in). |
| Transport width | About 2.36 m (7 ft 9 in). |
| Transport height | About 3.5 m (11 ft 6 in). |
| Wheelbase / ground clearance | Not independently confirmed for this exact serial range — verify with the factory operation and maintenance manual or your dealer. |
Performance
| Travel speed (top gear) | About 37.8 km/h (23.5 mph) forward, on the 4-speed synchro/power-shuttle transmission fitted to this platform. |
| Loader breakout force | About 56.9 kN (12,790 lbf). |
| Loader lift capacity, max height | About 36.8 kN (8,270 lbf / 3,751 kg). |
| Loader max dumping/loading height | About 3.48 m (11 ft 5 in). |
| Backhoe max digging depth, standard dipper | About 4.45 m (14 ft 7 in). |
| Gradeability | Not published for this model. |
Service capacities (summary)
| Fuel tank | About 130 L (34.3 US gal), typical for this engine/platform; not separately confirmed for this exact serial range. |
| Hydraulic system | About 92 L (24.3 US gal), typical for this engine/platform; not separately confirmed for this exact serial range. |
| Engine oil | About 7.9 L (2.1 US gal), typical for the S4D106 engine family. |
| Cooling system | About 14 L (3.7 US gal), typical for the S4D106 engine family. |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
WB140-2(S/N 140F10001-Up) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 7.9 L (2.1 US gal) | Diesel engine oil, API CD, CE, or CF-4. Grade by ambient temperature per the OMM chart: SAE 10W in cold weather, SAE 30 or 10W-30 in the moderate range, SAE 40 or 15W-40 in hot climates. Below about -20°C, check with your Komatsu distributor for the correct grade. |
| Cooling system | 14.0 L (3.7 US gal) | Ethylene-glycol antifreeze coolant, Komatsu long-life type (AF-NAC) or equivalent. Mix ratio set by the OMM freeze-protection chart for the expected low temperature. |
| Fuel tank | Not confirmed for this exact serial range in available sources — verify against the OMM or with your dealer. | ASTM D975 No. 2-D diesel for normal operation; No. 1-D or a winter blend in cold climates. Low-sulfur fuel extends oil-change intervals. |
| Transmission / torque converter (power train case) | 20 L specified, about 17 L on refill (5.3 US gal specified, 4.5 US gal refill) | Dexron II type automatic transmission fluid, or equivalent meeting Allison C-4, matching the power-shuttle transmission and torque converter used on this era of machine. |
| Front axle (differential and final drives) | 8.7 L (2.3 US gal) | Same diesel engine oil grade as the crankcase (API CD/CE/CF-4, SAE grade set by temperature). Wet-brake axles of this era share engine-oil-spec lubricant rather than a separate gear oil. |
| Rear axle (differential and final drives) | 17.8 L (4.7 US gal) | Same as front axle — engine-oil-grade lubricant (API CD/CE/CF-4), SAE grade set by ambient temperature. |
| Hydraulic system (tank and circuit) | About 92 L (24.4 US gal) tank/refill volume. Total circuit volume including lines and cylinders runs higher; exact figure not confirmed for this serial range. | Anti-wear hydraulic oil in the same viscosity family as the engine oil chart, graded by ambient temperature. Confirm the exact grade with your distributor for extreme-cold service. |
| Grease (all lubrication points) | Spec only — no reservoir capacity; apply per the lubrication interval chart. | NLGI No. 2 multipurpose grease, lithium-based (Li) or molybdenum-disulfide (MoS2) extreme-pressure type. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu WB140-2(S/N 140F10001-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 WB140-2(S/N 140F10001-Up) beyond the schedule
Predictive Maintenance & Fluid Analysis
This S4D106-1FH engine runs a mechanical injection pump with no ECM, so there are no diagnostic codes; the instrument cluster is a fixed set of lamps for coolant temperature, transmission oil temperature, parking brake/brake fluid, differential lock, and 4WD engagement. Treat those lamps, plus scheduled oil and hydraulic sampling, as the only early-warning system. Watch transmission fluid condition closely; owners report weak drive pressure and rough shifting traced to debris lodged in the valve body, a fault that mimics low fluid. Flush and check the suction screen first.
Corrective & Common Repairs
Backhoe boom, dipper, and swing-cylinder pin/bushing wear is the top complaint on machines this age; with the hoe down and stabilizers set, a unit that can't lift its own rear end off the ground signals worn pins or a weakening pump. Steering runs on its own circuit, separate from loader/backhoe hydraulics; dead steering points to the steering priority valve, not the main pump. No-crank complaints often trace to the starter safety relay needing simultaneous neutral-switch, key-on, and alternator signals. Check the fuel filter often; its location is easy to overlook.
Overhaul & Rebuild Points
At major overhaul, prioritize the torque-converter transmission and valve body; the power-shuttle clutch packs and converter are the main wear items under mixed loader-and-backhoe duty. Inspect backhoe boom, dipper, and swing-cylinder pins and bushings for play beyond service limit, the most common rebuild trigger on machines this age. Check the steering priority valve, control unit, and steering-mode solenoids and wiring, since steering and electrical faults are the most-reported issue on this platform. The S4D106-1FH's mechanical injection pump seals are a recurring wear item worth rebuilding rather than replacing outright.
Seasonal & Environment Servicing
Cold-climate starts depend on correct viscosity in the S4D106-1FH's crankcase and hydraulic tank, since this mechanically governed engine has no electronic cold-start assist beyond a basic intake heater; match oil grade to ambient temperature per the OMM chart before winter, and set coolant freeze protection ahead of season. In wet trenching or dredging work, check axle and hydraulic oil for water contamination more often, and inspect the direction-selector wiring and starter safety relay for corrosion. In hot, dusty environments, clean the radiator core and air intake more often.
WB140-2(S/N 140F10001-Up) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| CA0139413 | Oil Filter | Lubrication service | Check fitment → |
| 312613054 | Oil Filter Fastener | Lubrication service | Check fitment → |
| 312613070 | Oil Filter Fastener | Lubrication service | Check fitment → |
| YM119593-03100 | Filter Breather | Scheduled service item | Check fitment → |
| 312607632 | Filter Support | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
WB140-2(S/N 140F10001-Up) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Engine Coolant Temperature Alert Lamp (with buzzer) | Engine coolant temperature has risen above the normal operating range. | Low coolant level, clogged radiator core, slipping or broken fan belt, failed thermostat, or loose radiator cap. | Move to a safe spot, let the engine idle to cool, then check coolant level and radiator fins and belt condition once cool before restarting. |
| Transmission Oil Temperature Alert Lamp (with buzzer) | Torque converter/transmission oil temperature has exceeded the safe range. | Low transmission oil level, a clogged transmission oil cooler, or sustained high-load/stall operation. | Reduce load and let the engine idle to bring temperature down, then check transmission oil level and inspect the cooler for restriction. |
| Parking Brake and Brake Fluid Alert Lamp | Combined warning that the parking brake is applied and/or the brake fluid reservoir is low. | Parking brake left engaged, or a low brake fluid reservoir from a leak or worn brake components. | Confirm parking brake is released; if the lamp stays on, check the brake fluid reservoir level and inspect lines and wheel brakes for leaks. |
| Differential Lock LOCK/UNLOCK Indicator Lamp | Shows whether the differential lock is currently engaged. | Not a fault on its own; a lamp state that does not match the switch position points to a sticking lock solenoid/valve or a wiring fault. | Cycle the diff-lock switch to confirm lamp response; if mismatched, check the lock solenoid valve and its wiring. |
| Four-Wheel Drive (4WD) IN/OUT Indicator Lamp | Shows whether four-wheel drive is currently engaged. | A lamp state that does not track the 4WD switch usually means a faulty 4WD engagement solenoid, switch, fuse, or wiring. | Cycle the 4WD switch and observe the lamp; if it does not respond, check the 4WD solenoid valve, fuse, and wiring. |
| Low Fuel Alert Lamp | Fuel level has dropped to the low reserve level in the tank. | Normal warning as the tank runs low; a lamp that stays on after refueling points to a stuck fuel level sender/float. | Refuel the machine; if the lamp does not clear after a full tank, check the fuel sender and its wiring. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
WB140-2(S/N 140F10001-Up) attachments & work tools
Loader buckets
Front loader end takes a general-purpose bucket, roughly 0.9-1.0 m3 (1.2-1.3 cu yd) heaped for this size class. A multipurpose (4-in-1) bucket is offered for grading, backfilling, light dozing and clamshell-style material handling.
Backhoe buckets
Rear dipper takes trenching/digging buckets typically 300-900 mm (12-36 in) wide, with wider buckets available for ditching and cleanup passes. Digging depth for this class runs about 4.3-4.9 m (14-16 ft) depending on dipper length; wider buckets trade dig force for coverage, narrower buckets trade the reverse.
Dipper/stick configuration
Machine is offered with a standard-length dipper stick or a factory extendable (telescoping) dipper for added reach and depth. The extendable version is a distinct factory build option, not a field retrofit.
Pallet forks
Front-mount forks for pallet and general material handling, rated to the loader arm's standard lift capacity for this class. Forks mount to the same loader-arm attachment point used by the bucket.
Grapple
Bucket-mounted or standalone grapple for brush, scrap and debris handling on the loader end. Sized to the loader arm's lift and hydraulic capacity for this class rather than a heavier dedicated grapple carrier.
Broom/sweeper
Hydraulically driven broom attachment for yard, dock and site cleanup, mounted on the loader arm and run off the machine's auxiliary hydraulic circuit. Available in poly or steel bristle depending on surface.
Hydraulic breaker (hammer)
Rear-mount hydraulic breaker for light-to-medium concrete and rock demolition, sized to the backhoe's hydraulic flow class for this machine size. Requires the backhoe's auxiliary hydraulic service kit and plumbing to the dipper end; not standard-fit.
Auger
Rear-mount auger for post-hole and small foundation drilling. Needs a dedicated hydraulic auger drive/gearbox kit plumbed into the backhoe circuit; auger diameter is matched to job, not to a single fixed size.
Hydraulic thumb
Optional backhoe-mounted hydraulic thumb that clamps against the bucket for handling rock, debris and irregular material. Bolts to the dipper/bucket linkage and runs off the existing backhoe hydraulics.
Coupler and mounting systems
Backhoe bucket ships pin-on as standard, with a mechanical or hydraulic quick-coupler mounting available on the dipper end for faster tool changes between bucket, thumb, breaker and auger. Loader end also ships pin-on; aftermarket plate kits exist to convert it to a skid-steer-style universal quick-attach for compatibility with skid-steer tools, but this is a non-factory conversion and derates capacity versus the pin-on bucket, so it is a compatibility note rather than a listed Komatsu option.
All WB140-2(S/N 140F10001-Up) assemblies by section
Every catalogued assembly group for the Komatsu WB140-2(S/N 140F10001-Up). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Control System
Komatsu : Wb140-2(S/N 140f10001-Up) : Control System : Backhoe Control Levers
| 31***04 | Spacer | 8 |
| 31***12 | Connection L.H | 1 |
| 31***13 | Connection R.H | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Control System : Backhoe Control Levers - Komatsu Layout Control (1/2)
| 31***04 | Spacer | 4 |
| 31***13 | Connection R.H | 1 |
| 31***13 | Lever | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Control System : Backhoe Control Levers - Komatsu Layout Control (2/2)
| 31***04 | Spacer | 4 |
| 31***12 | Connection L.H | 1 |
| 31***13 | Lever | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Control System : Backhoe Control Pedal (Left Side)
| 31***62 | Bushing, Pedal | 1 |
| 31***63 | Pedal Support | 1 |
| 31***21 | Pedal | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Control System : Backhoe Control Pedal (Left Side) Komatsu Layout Control
| 31***62 | Bushing, Pedal | 1 |
| 31***63 | Pedal Support | 1 |
| 31***21 | Pedal | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Control System : Backhoe Control Pedal (Right Side)
| 31***61 | Bushing, Pedal | 1 |
| 31***63 | Pedal Support | 1 |
| 31***20 | Pedal | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Control System : Backhoe Control Pedal (Right Side) - Komatsu Layout Control
| 31***61 | Bushing, Pedal | 1 |
| 31***20 | Pedal | 1 |
| 31***26 | Spacer (Only For Canopy) | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Control System : Braking Control Pedal
| 31***72 | Brake Pedal L.H | 1 |
| 31***73 | Brake Pedal R.H | 1 |
| 31***74 | Pin Drag Pedals | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Control System : Fuel Control Lever
| 31***48 | Command Boot | 1 |
| 31***67 | Lever Block | 1 |
| 31***81 | Assembly, Cable | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Control System : Fuel Control Pedal
| 31***81 | Support | 1 |
| 31***58 | Lever For Cable | 1 |
| 31***70 | Accelerator Pedal | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Control System : Outrigger Control Lever
| 31***48 | Command Boot | 2 |
| 31***57 | Clamping Plate, R.H | 1 |
| 31***58 | Clamping Plate, L.H | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Control System : Shovel Control Lever
| 31***04 | Spacer | 4 |
| 31***58 | Pressure -Boot | 1 |
| 31***64 | Knob | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Control System : Shovel Control Lever (Bucket 4 In 1)
| 31***04 | Spacer | 4 |
| 31***58 | Pressure -Boot | 1 |
| 31***64 | Knob | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Control System : Transmission Lever Control
| 31***52 | Lever | 1 |
| 80***74 | Bolt | 1 |
| 80***06 | Nut | 1 |
Engine
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Camshaft & Driving Gear (Aspirated Engine)
| YM***50 | Bearing, Thrust | 1 |
| YM***00 | Gear,Injection Pump Drive | 1 |
| YM***00 | Gear | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Camshaft & Driving Gear (Turbo Engine)
| YM***50 | Bearing, Thrust | 1 |
| YM***00 | Gear,Injection Pump Drive | 1 |
| YM***00 | Gear | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Cooling Water System (Aspirated Engine)
| YM***10 | Protector | 1 |
| YM***02 | Screw | 4 |
| YM***50 | Pulley | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Cooling Water System (Turbo Engine)
| YM***10 | Protector | 1 |
| YM***02 | Screw | 4 |
| YM***50 | Pulley | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Crankshaft & Piston (Aspirated Engine)
| YM***00 | Connecting Rod, Assembly | 4 |
| YM***80 | Gear, Ring | 1 |
| YM***10 | Bush,Idle Gear (Repair Part) | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Crankshaft & Piston (Turbo Engine)
| YM***00 | Connecting Rod, Assembly | 4 |
| YM***00 | Assembly, Piston (+0.25 mm) | 8 |
| YM***80 | Gear, Ring | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Cylinder Block (Aspirated Engine)
| YM***00 | Screw | 18 |
| YM***20 | Screw | 10 |
| YM***40 | Bearing, Thrust (+0.25 mm) | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Cylinder Block (Turbo Engine)
| YM***00 | Screw | 18 |
| YM***20 | Screw | 10 |
| YM***40 | Bearing, Thrust (+0.25 mm) | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Cylinder Head (Aspirated Engine)
| 87***36 | Aspirated Engine | 1 |
| 87***39 | Aspirated Engine | 1 |
| YM***70 | Cap Valve | 8 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Cylinder Head (Turbo Engine)
| 87***32 | Turbo Engine | 1 |
| 87***40 | Turbo Engine | 1 |
| YM***70 | Cap Valve | 8 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Engine Stop Device (Aspirated Engine)
| YM***00 | Pin, Cotter | 2 |
| YM***02 | Nut | 1 |
| YM***10 | Support | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Engine Stop Device (Turbo Engine)
| YM***00 | Pin, Cotter | 2 |
| YM***02 | Nut | 1 |
| YM***20 | Joint | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Exhaust Manifold & Silencer (Aspirated Engine)
| YM***02 | Screw | 2 |
| YM***02 | Nut | 6 |
| YM***01 | Gasket (Kit) | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Exhaust Manifold & Silencer (Turbo Engine)
| YM***80 | Packing | 1 |
| YM***02 | Screw | 2 |
| YM***22 | Stud | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Feed Pump (Aspirated Engine)
| YM***40 | Gasket | 4 |
| YM***60 | O-Ring | 2 |
| YM***00 | Screw | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Feed Pump (Turbo Engine)
| YM***40 | Gasket | 4 |
| YM***60 | O-Ring | 2 |
| YM***00 | Screw | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Flywheel Housing & Oil Sump (Aspirated Engine)
| YM***02 | Screw | 26 |
| YM***20 | Oil Sump | 1 |
| YM***80 | Parallel Pin | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Flywheel Housing & Oil Sump (Turbo Engine)
| YM***02 | Screw | 26 |
| YM***20 | Oil Sump | 1 |
| YM***80 | Parallel Pin | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Fuel Injection Pump (1/2) (Aspirated Engine)
| YM***00 | Segment | 4 |
| YM***00 | Gasket Disc | 4 |
| YM***20 | Valve,Delivery | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Fuel Injection Pump (1/2) (Turbo Engine)
| YM***00 | Segment | 4 |
| YM***00 | Gasket Disc | 4 |
| YM***20 | Valve,Delivery | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Fuel Injection Pump (2/2) (Apirated Engine)
| YM***40 | Gasket | 2 |
| YM***20 | Bearing,(Toyo) | 1 |
| YM***40 | Nut | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Fuel Injection Pump (2/2) (Turbo Engine)
| YM***40 | Gasket | 2 |
| YM***20 | Bearing,(Toyo) | 1 |
| YM***40 | Nut | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Fuel Injection Valve (Aspirated Engine)
| YM***00 | Nozzle | 4 |
| YM***02 | Bolt Plated | 1 |
| YM***20 | Spring | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Fuel Injection Valve (Turbo Engine)
| YM***00 | Nozzle | 4 |
| YM***02 | Bolt Plated | 1 |
| YM***20 | Spring | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Fuel Line (1/2) (Aspirated Engine)
| YM***10 | Banjo Fitting | 1 |
| YM***80 | Screw | 1 |
| YM***11 | Clamp | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Fuel Line (1/2) (Turbo Engine)
| YM***80 | Screw | 1 |
| YM***50 | Pipe, Assembly | 1 |
| YM***02 | Screw | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Fuel Line (2/2) (Aspirated Engine)
| YM***02 | Screw | 1 |
| YM***22 | Center Bolt | 1 |
| YM***00 | Banjo Bolt | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Fuel Line (2/2) (Turbo Engine)
| YM***02 | Screw | 1 |
| YM***22 | Center Bolt | 1 |
| YM***00 | Banjo Bolt | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Gasket Kit (Aspirated Engine)
| YM***00 | O-Ring (Kit) | 1 |
| YM***40 | O-Ring,Drain Plug | 1 |
| YM***01 | Gasket (Kit) | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Gasket Kit (Turbo Engine)
| YM***80 | Packing | 1 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***40 | O-Ring,Drain Plug | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Gear Housing (Aspirated Engine)
| YM***02 | Bolt Plated | 11 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***02 | Screw | 6 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Gear Housing (Turbo Engine)
| YM***02 | Bolt Plated | 11 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***02 | Screw | 6 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Generator (Aspirated Engine)
| YM***20 | Timer,Solenoid | 1 |
| YM***40 | Distance Piece | 1 |
| YM***40 | Screw | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Generator (Turbo Engine)
| YM***20 | Timer,Solenoid | 1 |
| YM***40 | Distance Piece | 1 |
| YM***40 | Screw | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Generator 60a (Aspirated Engine)
| YM***50 | Bolt Kit | 1 |
| YM***00 | Armature Assembly | 1 |
| YM***20 | Rear Support | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Generator 60a (Turbo Engine)
| YM***50 | Bolt Kit | 1 |
| YM***00 | Armature Assembly | 1 |
| YM***20 | Rear Support | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Generator 80a (Aspirated Engine)
| YM***10 | Pulley | 1 |
| YM***60 | Spool & Housing | 1 |
| YM***20 | Bolt Kit | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Generator 80a (Turbo Engine)
| YM***10 | Pulley | 1 |
| YM***60 | Spool & Housing | 1 |
| YM***20 | Bolt Kit | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Governor (1/2) (Aspirated Engine)
| YM***40 | Screw | 1 |
| YM***00 | Screw | 1 |
| YM***10 | Screw | 6 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Governor (1/2) (Turbo Engine)
| YM***40 | Screw | 1 |
| YM***00 | Screw | 1 |
| YM***10 | Screw | 6 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Governor (2/2) (Aspirated Engine)
| YM***40 | Screw | 1 |
| YM***00 | Nut | 1 |
| YM***40 | Shim, 0.300 mm | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Governor (2/2) (Turbo Engine)
| YM***40 | Screw | 1 |
| YM***00 | Nut | 1 |
| YM***40 | Shim, 0.300 mm | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Lubricating Oil Line (Aspirated Engine)
| YM***81 | Retainer | 1 |
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***02 | Seal,Ring (Kit) | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Lubricating Oil Line (Turbo Engine)
| YM***60 | Pipe | 1 |
| YM***81 | Retainer | 1 |
| YM***50 | Oil Pressure Transmitter | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Lubricating Oil System (Aspirated Engine)
| YM***00 | O-Ring (Kit) | 1 |
| YM***30 | Shim, 1.000 mm | 1 |
| YM***00 | Plug | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Lubricating Oil System (Turbo Engine)
| YM***00 | O-Ring (Kit) | 1 |
| YM***30 | Shim, 1.000 mm | 1 |
| YM***00 | Plug | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Starting Motor (Aspirated Engine)
| YM***30 | Dust Cover Set | 1 |
| YM***71 | Brush Holder Ass'Y | 1 |
| YM***10 | Terminal Cover | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Starting Motor (Turbo Engine)
| YM***30 | Dust Cover Set | 1 |
| YM***71 | Brush Holder Ass'Y | 1 |
| YM***10 | Terminal Cover | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Suction Manifold (Aspirated Engine)
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Suction Manifold (Turbo Engine)
| YM***00 | Heather Air | 1 |
| YM***02 | Screw | 1 |
| YM***50 | Joint | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine : Turbocharger (Turbo Engine)
| YM***02 | Nut | 4 |
| YM***90 | Packing | 1 |
| YM***20 | Turbine | 1 |
Engine Related Parts And Electrical System
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Air Filter
| 31***16 | Hose (Aspirated Engine) | 1 |
| 31***32 | Filter Support | 1 |
| 31***82 | Hose, Suction Air | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Angine And Drive Connection
| 20***08 | Union | 1 |
| 31***77 | Level Pipe | 1 |
| 31***78 | Dip Oil Stick | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Artic Version
| 88***28 | Battery | 1 |
| YM***66 | Connection | 1 |
| YM***65 | 30? C Heather Air | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Battery Detachment
| 31***88 | Terminal (+), Assembly | 1 |
| 31***10 | Switch Support | 1 |
| 80***66 | Bolt | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Electrical System (1/6)
| 31***07 | Cover | 1 |
| 31***57 | Support | 1 |
| 31***93 | Wiring Harness, Assembly | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Electrical System (2/6)
| 31***68 | Wiring, Electro-Valve Line | 1 |
| 31***10 | Wiring Harness, Assembly | 1 |
| 31***12 | Wiring Harness, Front | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Electrical System (3/6)
| 31***70 | Battery Cover | 1 |
| 31***89 | Terminal(+), Assembly | 1 |
| 31***90 | Terminal (-), Assembly | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Electrical System (4/6)
| 31***71 | Indicator Support | 2 |
| 31***00 | Acustic Alarm | 1 |
| 31***00 | Acustic Alarm Support | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Electrical System (5/6)
| 80***44 | Bolt | 1 |
| 80***47 | Bolt | 1 |
| 80***43 | Screw | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Electrical System (6/6)
| 31***69 | Wiring, Transmission Line | 1 |
| 80***39 | Screw | 2 |
| 80***01 | Self-Locking Screw | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Engine Mounting Part
| 31***62 | Right Support | 1 |
| 31***65 | Left Support | 1 |
| 31***89 | Motor Support | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Front Dashboard (1/2)
| 80***51 | Screw | 4 |
| 80***05 | Spring Washer | 4 |
| 88***38 | Conmutator, Assembly | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Front Dashboard (2/2)
| 31***84 | Front Dashboard, Assembly (Only For Cabin) | 1 |
| 31***97 | Front Dashboard, Assembly (Only For Canopy) | 1 |
| 31***00 | Front Instrument Board | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Fuel Piping
| 80***88 | Bolt (With Stabilizers Only) | 2 |
| 80***08 | Bolt (Only With Cabin) | 5 |
| 80***01 | Spring Washer (With Stabilizers Only) | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Fuel Tank
| 31***92 | Splash Guard | 1 |
| 31***55 | Level Indicator | 1 |
| 31***59 | Gas Oil Tank | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Fuses Box
| 31***82 | Box, Assembly | 1 |
| 80***96 | Bolt | 2 |
| 80***33 | Screw | 5 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Lateral Dashboard (1/2)
| 31***13 | Lateral Dashboard, Assembly (For Cabin) | 1 |
| 31***14 | Lateral Dashboard, Assembly (For Canopy) | 1 |
| 31***01 | Lateral Instrument Board | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Lateral Dashboard (2/2)
| 31***54 | Switch | 1 |
| 31***56 | Switch | 1 |
| 85***72 | Bulb | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Muffler
| 30***55 | Clamp (Aspirated Engine) | 7 |
| 31***53 | Hose | 1 |
| 31***55 | Stub Pipe | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Prefilter (Optional)
| 31***19 | Gasket | 1 |
| 31***43 | Hood | 1 |
| 31***36 | Gasket | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Radiator
| 31***11 | Gasket | 1 |
| 31***90 | Complete Radiator | 1 |
| 31***91 | Radiator Support | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Radiator Tank
| 31***69 | Chamber | 1 |
| 31***83 | Hose | 1 |
| 31***84 | Hose | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Engine Related Parts And Electrical System : Self Supply Pump (Optional)
| 30***41 | Pipe | 1 |
| 31***90 | Closure | 1 |
| 31***49 | Pin | 1 |
Frame
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Axle Lubricating Piping
| 39***45 | Tube | 1 |
| 50***15 | Union | 1 |
| 50***52 | Union | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Frame
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Front Axle (2wd) (1/3)
| 20***22 | Front Axle, Assembly | 1 |
| CA***10 | Bushing | 1 |
| CA***30 | Spring Washer | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Front Axle (2wd) (2/3)
| CA***10 | Greaser Nipple | 2 |
| CA***95 | Jack | 1 |
| CA***11 | Fitting | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Front Axle (2wd) (3/3)
| CA***81 | Thrust Washer | 2 |
| CA***70 | Bearing | 4 |
| CA***40 | Pin | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Front Axle (4wd) (1/6)
| 20***28 | Front Axle, Assembly | 1 |
| CA***10 | Bushing | 1 |
| CA***35 | Bush | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Front Axle (4wd) (2/6)
| CA***10 | Greaser Nipple | 2 |
| CA***95 | Jack | 1 |
| CA***11 | Fitting | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Front Axle (4wd) (3/6)
| CA***70 | Shim, 3.000 mm | 0 |
| CA***68 | Shim, 2.800 mm | 0 |
| CA***50 | Bearing | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Front Axle (4wd) (4/6)
| CA***09 | Bearing | 2 |
| CA***78 | Locking Plate | 2 |
| CA***61 | Differential Kit | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Front Axle (4wd) (5/6)
| CA***60 | Fork | 1 |
| CA***61 | Double Joint | 2 |
| CA***25 | Spider | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Front Axle (4wd) (6/6)
| CA***90 | Centering Bush | 16 |
| CA***70 | Bearing | 4 |
| CA***40 | Pin | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Front Axle Fixing (2wd)
| 31***00 | Front Support | 1 |
| 31***01 | Rear Support | 1 |
| 31***02 | Pin | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Front Propeller Shaft And Front Axle Fixing (4wd)
| 31***55 | Shaft | 1 |
| 31***67 | Protection | 1 |
| 31***00 | Front Support | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Handbrake And Rear Propeller Shaft
| 31***56 | Shaft | 1 |
| 31***75 | Assembly, Cable | 1 |
| 31***32 | Fasterner Cable | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Hydraulic Piping (Brake Line)
| 31***01 | Union | 2 |
| 31***52 | Tubo | 1 |
| 31***53 | Tube | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Hydraulic Piping (Rear Axle Locking Control)
| 39***13 | Hose L=1150 | 1 |
| 39***22 | Hose L=800 | 1 |
| 39***51 | Hose | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Hydraulic Piping (Transmission Cooling Line)
| 39***03 | Hose | 1 |
| 39***01 | Hose | 1 |
| 50***87 | Union | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Rear Axle (1/7)
| 20***27 | Rear Axle, Assembly | 1 |
| CA***11 | Oil Seal | 2 |
| CA***66 | Bolt | 22 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Rear Axle (2/7)
| CA***91 | Shim 3.00 mm | 0 |
| CA***93 | Shim 3.20 mm | 0 |
| CA***51 | Bearing | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Rear Axle (3/7)
| CA***77 | Ring | 1 |
| CA***96 | Pin | 4 |
| CA***67 | Bearing | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Rear Axle (4/7)
| CA***41 | Shaft | 1 |
| CA***21 | O-Ring | 2 |
| CA***40 | Bush | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Rear Axle (5/7)
| CA***58 | O-Ring | 2 |
| CA***33 | Reaction Plate | 2 |
| CA***87 | Flange | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Rear Axle (6/7)
| CA***63 | Brakes Shaft | 2 |
| CA***61 | Bush | 2 |
| CA***52 | Spring | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Rear Axle (7/7)
| CA***90 | Centering Bush | 16 |
| CA***77 | Snap Ring | 2 |
| CA***99 | Coupling Bushing | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (2wd) (1/11)
| 20***63 | Drive Shaft, Assembly | 1 |
| CA***90 | Pump Assembly | 1 |
| CA***66 | Oil Seal | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (2wd) (10/11)
| CA***86 | Copper Washer | 1 |
| CA***12 | Valve Cover | 1 |
| CA***40 | Copper Washer | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (2wd) (11/11)
| CA***71 | Flange | 1 |
| CA***69 | Flywheel Towing Plate | 1 |
| CA***50 | Spring Washer | 6 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (2wd) (2/11)
| CA***70 | Valve Kit | 1 |
| CA***31 | O-Ring | 1 |
| CA***68 | Cover | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (2wd) (3/11)
| CA***22 | Plug | 4 |
| CA***60 | Copper Washer | 4 |
| CA***23 | Plug | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (2wd) (4/11)
| CA***90 | Seal Ring | 2 |
| CA***86 | Thrust Washer | 2 |
| CA***29 | Bearing | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (2wd) (5/11)
| CA***86 | Thrust Washer | 1 |
| CA***33 | Gear | 1 |
| CA***60 | Bearing | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (2wd) (6/11)
| CA***86 | Thrust Washer | 1 |
| CA***38 | Gear | 1 |
| CA***67 | Spacer | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (2wd) (7/11)
| CA***01 | Ball | 3 |
| CA***00 | Sleeve | 1 |
| CA***03 | Spring | 3 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (2wd) (8/11)
| CA***04 | Drive Fork 3-4 | 1 |
| CA***17 | Bolt | 1 |
| CA***93 | Bolt | 3 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (2wd) (9/11)
| CA***22 | Plug | 4 |
| CA***29 | O-Ring | 3 |
| CA***60 | Copper Washer | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (4wd) (1/13)
| 20***58 | Drive Shaft, Assembly | 1 |
| CA***90 | Pump Assembly | 1 |
| CA***66 | Oil Seal | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (4wd) (10/13)
| CA***12 | Valve Cover | 1 |
| CA***40 | Copper Washer | 1 |
| CA***26 | Electro-Valve Coil | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (4wd) (11/13)
| CA***22 | Plug | 4 |
| CA***29 | O-Ring | 3 |
| CA***60 | Copper Washer | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (4wd) (12/13)
| CA***22 | Plug | 1 |
| CA***60 | Copper Washer | 1 |
| CA***05 | Screw | 3 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (4wd) (13/13)
| CA***71 | Flange | 1 |
| CA***69 | Flywheel Towing Plate | 1 |
| CA***50 | Spring Washer | 6 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (4wd) (2/13)
| CA***70 | Valve Kit | 1 |
| CA***31 | O-Ring | 1 |
| CA***68 | Cover | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (4wd) (3/13)
| CA***22 | Plug | 3 |
| CA***60 | Copper Washer | 3 |
| CA***68 | Breather Plug | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (4wd) (4/13)
| CA***90 | Seal Ring | 2 |
| CA***86 | Thrust Washer | 2 |
| CA***29 | Bearing | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (4wd) (5/13)
| CA***86 | Thrust Washer | 1 |
| CA***33 | Gear | 1 |
| CA***60 | Bearing | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (4wd) (6/13)
| CA***86 | Thrust Washer | 1 |
| CA***73 | Gear | 1 |
| CA***38 | Gear | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (4wd) (7/13)
| CA***01 | Ball | 3 |
| CA***00 | Sleeve | 1 |
| CA***03 | Spring | 3 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (4wd) (8/13)
| CA***84 | Seal Ring | 1 |
| CA***63 | Snap Ring | 1 |
| CA***86 | Thrust Washer | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Transmission (4wd) (9/13)
| CA***04 | Drive Fork 3-4 | 1 |
| CA***17 | Bolt | 1 |
| CA***93 | Bolt | 3 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Wheels (2wd)
| 31***60 | Rear Rim | 2 |
| 31***64 | Front Rim | 2 |
| 81***26 | Tyre (19,5 L24-10pr) | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Wheels (4wd)
| 31***60 | Rear Rim | 2 |
| 31***61 | Front Rim | 2 |
| 81***25 | Tyre (14x17,5 10pr) | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Frame : Wheels (Optional)
| 31***50 | Front Rim | 2 |
| 81***06 | Tyre, Front (12.5/80-18 10pr) | 2 |
| 84***01 | Tyre (365/70 R18 Tl Spt9) | 2 |
Guard And Operator'S Cab
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Additionl Kit For Air Blending-System
| 31***15 | Support | 4 |
| 31***16 | Condenser Support | 1 |
| 31***29 | Gasket | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Anti-Vandalism Cover (Canopy)
| 31***93 | Cover | 1 |
| 31***78 | Boss | 4 |
| 31***11 | Spacer | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Cabin (1/11)
| 31***73 | Operator'S Cab, Assembly | 1 |
| 31***00 | Cabin Structure | 1 |
| 31***80 | Glass Window, Lower | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Cabin (10/11)
| 80***86 | Washer | 4 |
| 80***56 | Bolt | 4 |
| 80***60 | Screw | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Cabin (11/11)
| 80***25 | Screw | 4 |
| 80***60 | Screw | 8 |
| 80***06 | Washer, Spring | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Cabin (2/11)
| 80***86 | Washer | 4 |
| 80***00 | Screw (Only For Germany) | 4 |
| 80***56 | Screw | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Cabin (3/11)
| 80***71 | Bolt | 4 |
| 80***45 | Screw | 2 |
| 80***08 | Nut (With Stabilizers Only) | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Cabin (4/11)
| 31***41 | Cylinder | 2 |
| 31***42 | Spring | 4 |
| 31***43 | Pin | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Cabin (5/11)
| 80***48 | Bolt | 4 |
| 80***64 | Screw | 5 |
| 80***66 | Self Taping Screw | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Cabin (6/11)
| 31***42 | Tie-Rod R.H. (2nd Version) | 1 |
| 31***43 | Tie-Rod L.H. (2nd Version) | 1 |
| 31***44 | Spring R.H. (2nd Version) | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Cabin (7/11)
| 80***64 | Screw | 2 |
| 80***40 | Self-Tapping Screw | 2 |
| 80***06 | Spring Washer | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Cabin (8/11)
| 31***03 | Canopy | 1 |
| 31***50 | Gasket | 7 |
| 31***94 | Front Gasket | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Cabin (9/11)
| 80***30 | Boltw | 1 |
| 80***56 | Self Taping Screw | 2 |
| 80***05 | Self-Locking Nut | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Cabin Air Blending System (1/2)
| 31***03 | Cock Support | 1 |
| 31***72 | Battery | 1 |
| 31***74 | Valve | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Cabin Air Blending System (2/2)
| 31***80 | Wall | 1 |
| 31***84 | Switch Wiring | 1 |
| 31***02 | Hose | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Canopy (1/4)
| 31***94 | Operator'S Canopy, Assembly | 1 |
| 31***03 | Canopy | 1 |
| 31***04 | Canopy Structure | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Canopy (2/4)
| 31***03 | Plug | 4 |
| 80***05 | Screw | 2 |
| 81***58 | Loat Hooks | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Canopy (3/4)
| 80***86 | Washer | 4 |
| 80***56 | Bolt | 4 |
| 80***60 | Screw | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Canopy (4/4)
| 31***04 | Wrapper | 0 |
| 80***25 | Screw | 4 |
| 80***60 | Screw | 8 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Covers (1/3)
| 31***54 | Hinge Linkage | 1 |
| 31***84 | Inspection Plug | 1 |
| 31***86 | Hood (Canopy) | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Covers (2/3)
| 31***00 | Front Closure | 1 |
| 31***26 | Support | 1 |
| 31***32 | Squab Panel | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Covers (3/3)
| 31***01 | Right Splash-Board (Cabin) | 1 |
| 31***02 | Left Splash-Board (Cabin) | 1 |
| 31***03 | Left Splash-Board (Cabin) | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Dashboard, Floor Mat (Cabin)
| 31***67 | Floor Board | 1 |
| 31***90 | Lateral Dashboard | 1 |
| 31***05 | Front Dashboard | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Dashboard, Floor Mat (Canopy)
| 31***67 | Floor Board | 1 |
| 31***91 | Lateral Dashboard | 1 |
| 31***07 | Cover | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Front Splash-Board (Optional)
| 31***55 | R.H. Splash-Board Support | 1 |
| 31***56 | L.H. Splash-Board Support | 1 |
| 31***19 | R.H. Splash-Board | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Heating System (1/2) : Unit_01_of_02
| 31***80 | Wall | 1 |
| 31***51 | Box | 1 |
| 31***03 | Cock Support | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Heating System (1/2) : Unit_02_of_02
| 31***80 | Wall | 1 |
| 31***03 | Cock Support | 1 |
| 80***45 | Screw | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Heating System (2/2) : Unit_02_of_02
| 31***68 | Control Cable | 1 |
| 31***29 | Hose Protection | 1 |
| 31***02 | Adhesive Plate | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Heating System (2/2) : Unit_01_of_02
| 31***68 | Control Cable | 1 |
| 31***19 | Hose Protection | 1 |
| 31***02 | Adhesive Plate | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Motor Air Blending System (1/2)
| 31***97 | Fan Protection | 1 |
| 31***54 | Condenser | 1 |
| 31***55 | Upper Support | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Motor Air Blending System (2/2)
| 31***09 | Gasket | 1 |
| 31***51 | Compressor | 1 |
| 31***57 | Filter | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Operator'S Seat (For Cabin)
| 81***79 | Back Foam | 1 |
| 81***81 | Seat Foam | 1 |
| 81***86 | Damper Assembly Kit | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Operator'S Seat (For Canopy)
| 81***79 | Back Foam | 1 |
| 81***81 | Seat Foam | 1 |
| 81***86 | Damper Assembly Kit | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Operator'S Seat Support (For Cabin)
| 31***64 | Box | 1 |
| 31***66 | Box | 1 |
| 31***89 | Operator'S Seat, Assembly | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Guard And Operator'S Cab : Operator'S Seat Support (For Canopy)
| 31***64 | Box | 1 |
| 31***66 | Box | 1 |
| 31***98 | Screw, Assembly | 1 |
Hydraulic System Work Equipment
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Adjustable Guide
| 31***07 | Pin | 1 |
| 31***50 | Support | 1 |
| 31***51 | Stud Bolt Steering | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Backhoe Control Valve (1/8)
| 84***41 | Control Valve,Assembly | 1 |
| 84***71 | Block, Outrigger Control Assembly | 2 |
| 84***75 | Tie Rods Kit | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Backhoe Control Valve (2/8)
| 84***13 | Gasket Kit | 1 |
| 84***76 | Inlet Housing | 1 |
| 84***77 | Pressure Relief Valve | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Backhoe Control Valve (3/8)
| 84***74 | Gasket Kit, Secondary Valve | 2 |
| 84***13 | Gasket Kit | 1 |
| 84***16 | Valve Kit | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Backhoe Control Valve (4/8)
| 84***74 | Gasket Kit, Secondary Valve | 2 |
| 84***13 | Gasket Kit | 1 |
| 84***16 | Valve Kit | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Backhoe Control Valve (5/8)
| 84***13 | Gasket Kit | 1 |
| 84***16 | Valve Kit | 2 |
| 84***17 | Operating Kit | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Backhoe Control Valve (6/8)
| 84***74 | Gasket Kit, Secondary Valve | 2 |
| 84***13 | Gasket Kit | 1 |
| 84***16 | Valve Kit | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Backhoe Control Valve (7/8)
| 84***74 | Gasket Kit, Secondary Valve | 2 |
| 84***13 | Gasket Kit | 1 |
| 84***16 | Valve Kit | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Backhoe Control Valve (8 Sections) (Hammer + Jig Arm)
| 84***47 | Control Valve,Assembly | 1 |
| 84***71 | Block, Outrigger Control Assembly | 2 |
| 84***81 | Block, Jig Arm Control, Assembly | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Backhoe Control Valve (8/8)
| 84***11 | Big Plug | 1 |
| 84***94 | Outlet Section, Assembly | 1 |
| 84***16 | Outlet Housing | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Backhoe Control Valve (Hammer)
| 84***74 | Gasket Kit, Secondary Valve | 2 |
| 84***13 | Gasket Kit | 1 |
| 84***16 | Valve Kit | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Backhoe Control Valve (Jig Arm)
| 84***74 | Gasket Kit, Secondary Valve | 2 |
| 84***13 | Gasket Kit | 1 |
| 84***16 | Valve Kit | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Bucket Hydraulic Piping (Fast Coupling Line) (Optional)
| 20***51 | Coupling, Assembly. (For Hand Hammer) | 1 |
| 20***52 | Fitting (For Hand Hammer) | 1 |
| 20***53 | Body (For Hand Hammer) | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Bucket Hydraulic Piping (Mechanical Fast Coupling Line 4in1)(Optional)
| 20***51 | Coupling, Assembly. (For Hand Hammer) | 2 |
| 20***52 | Fitting (For Hand Hammer) | 1 |
| 20***53 | Body (For Hand Hammer) | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Control Valve (7 Section) (For Hammer)
| 84***48 | Control Valve, Assembly | 1 |
| 84***71 | Block, Outrigger Control Assembly | 2 |
| 84***82 | Tie Rods Kit | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Control Valve (7 Section) (For Jig Arm)
| 84***42 | Control Valve,Assembly | 1 |
| 84***71 | Block, Outrigger Control Assembly | 2 |
| 84***81 | Block, Jig Arm Control, Assembly | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Floor Board Hydraulic Tank
| 31***19 | Splash Guard | 1 |
| 31***76 | Hinge | 1 |
| 31***61 | Floor Board | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hammer Hydraulic Piping With Jig Arm (1/2)
| 31***21 | Bushing | 2 |
| 39***02 | Hose | 1 |
| 39***02 | Hose | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hammer Hydraulic Piping With Jig Arm (2/2)
| 31***50 | Pipe | 1 |
| 31***51 | Pipe | 1 |
| 31***05 | U-Bolt | 6 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Horizontal Outrigger Cylinder L.H.
| 39***01 | Brake Pin | 1 |
| 39***05 | Jack Assembly, L.H | 1 |
| 39***08 | Jack Assembly, L.H | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Horizontal Outrigger Cylinder R.H.
| 39***01 | Brake Pin | 1 |
| 39***06 | Jack Assembly, R.H | 1 |
| 39***07 | Jack Assembly, R.H | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Arm Cylinder Line)
| 31***17 | Pin | 1 |
| 31***21 | Bushing | 2 |
| 39***67 | Pin | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Arm Cylinder Line) (Safety Valve)
| 31***65 | Pipe | 1 |
| 31***71 | Union | 1 |
| 31***72 | Pipe | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Boom Cylinder Line)
| 31***11 | Pin | 1 |
| 31***41 | Buckle | 2 |
| 31***42 | Plate | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Boom Cylinder Line) (Safety Valve)
| 31***60 | Pipe | 1 |
| 31***61 | Pipe | 1 |
| 31***62 | Pipe, R.H | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Boom Swing Cylinder Line)
| 31***00 | Support | 2 |
| 31***08 | Semibuckle | 4 |
| 39***62 | Pin | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Bucket - 4 In 1 Cylinder Line) (1/2)
| 31***26 | Protection | 2 |
| 31***52 | Pipe, R.H | 1 |
| 31***53 | Pipe, L.H | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Bucket - 4 In 1 Cylinder Line) (2/2)
| 31***78 | Pin | 2 |
| 31***79 | Pin | 2 |
| 31***52 | Bucket 4 In 1, Assembly | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Bucket Cylinder Line) (1/2)
| 31***21 | Bushing | 2 |
| 39***06 | Hose | 2 |
| 50***13 | Union | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Bucket Cylinder Line) (2/2)
| 31***58 | Plate | 1 |
| 31***05 | Hose-Clamp | 1 |
| 31***65 | Pipe | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Bucket Cylinder Line) (For Jig Arm)
| 31***55 | Pipe, R.H | 1 |
| 31***56 | Pipe, L.H | 1 |
| 31***57 | Pipe | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Delivery Line) : Unit_02_of_02
| 30***32 | Mini-Intake | 1 |
| 31***71 | Pipe | 1 |
| 39***13 | Hose | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Delivery Line) : Unit_01_of_02
| 30***32 | Mini-Intake | 1 |
| 39***13 | Hose | 1 |
| 39***14 | Hose | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Hammer Line) (1/3)
| 39***09 | Hose | 1 |
| 39***06 | Hose | 1 |
| 50***06 | Plug | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Hammer Line) (2/3)
| 31***54 | Extension | 1 |
| 31***21 | Bushing | 2 |
| 39***08 | Hose | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Hammer Line) (3/3)
| 31***08 | Support, R.H | 1 |
| 31***09 | Support, L.H | 1 |
| 39***06 | Hose | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Jig Arm Cylinder Line)
| 31***21 | Bushing | 2 |
| 39***08 | Hose | 1 |
| 39***02 | Hose | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Oil Cooler And Return Line) (1/2) : Unit_02_of_02
| 31***62 | Pipe | 1 |
| 31***70 | Support | 1 |
| 31***73 | Pipe | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Oil Cooler And Return Line) (1/2) : Unit_01_of_02
| 31***62 | Pipe | 1 |
| 31***14 | Union | 2 |
| 39***01 | Hose | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Oil Cooler And Return Line) (2/2) : Unit_01_of_02
| 31***17 | Union | 1 |
| 39***01 | Hose | 1 |
| 39***02 | Hose | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Oil Cooler And Return Line) (2/2) : Unit_02_of_02
| 31***17 | Union | 1 |
| 31***21 | Protection | 1 |
| 31***29 | Hose Protection | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Outrigger Cylinder Line)
| 20***70 | Buckle | 2 |
| 31***29 | Hose Protection | 2 |
| 31***76 | Pipe | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Outrigger Cylinder Line) (Safety Valves)
| 30***31 | Union | 4 |
| 30***74 | Union | 2 |
| 31***73 | Pipe | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Ride Control) (1/2) (Optional)
| 31***00 | Union | 1 |
| 31***01 | Support | 1 |
| 31***02 | Support | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Ride Control) (2/2) (Optional)
| 39***47 | Union | 1 |
| 39***19 | Hose | 1 |
| 39***25 | Hose | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Ride Control) (With Hammer) (2/2) (Optional)
| 39***19 | Hose | 1 |
| 39***25 | Hose | 1 |
| 39***36 | Hose | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Shovel Lifting Cylinder Line) (1/2)
| 31***57 | Pipe | 1 |
| 31***58 | Pipe | 1 |
| 31***63 | Support | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Shovel Lifting Cylinder Line) (2/2)
| 20***70 | Buckle | 2 |
| 31***65 | Pin ? 50 | 2 |
| 31***13 | Pin ? 45 | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Shovel Lifting Cylinder) (Electric Safety Valve)
| 20***70 | Buckle | 4 |
| 31***00 | Fastener | 2 |
| 31***01 | Plate | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Shovel Lifting Cylinder) (Safety Valve)
| 31***50 | Valve Support | 2 |
| 31***57 | Lifting Pipe, R.H | 1 |
| 31***58 | Lifting Pipe, L.H | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Shovel Tipping Cylinder Line) (1/2)
| 31***59 | Pipe | 1 |
| 31***60 | Pipe | 1 |
| 31***64 | Buckle | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Shovel Tipping Cylinder Line) (2/2)
| 31***05 | Hose-Clamp | 1 |
| 31***07 | Gasket | 1 |
| 31***65 | Pin ? 50 | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Shovel Tipping Cylinder) (Electric Safety Valve)
| 31***00 | Fastener | 2 |
| 31***01 | Plate | 2 |
| 31***75 | Pipe | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Shovel Tipping Cylinder) (Safety Valve)
| 31***50 | Valve Support | 2 |
| 31***61 | Tipping Pipe, R.H | 1 |
| 31***62 | Tipping Pipe, L.H | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Steering Line) (1/2)
| 30***32 | Mini-Intake | 1 |
| 30***38 | Retainer | 2 |
| 31***50 | Stud Bolt Steering | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Steering Line) (2/2)
| 39***01 | Hose | 1 |
| 39***01 | Hose | 2 |
| 50***05 | Union | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Piping (Suction)
| 20***70 | Plug (Only For Disconnecting Hammer) | 1 |
| 31***50 | Suction Flange | 1 |
| 31***53 | Tubo | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Pump (1/2)
| 84***22 | Gruppo Rotante | 1 |
| 84***23 | Unita' Di Controllo | 1 |
| 84***24 | Piastra Assiale | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Pump (2/2)
| 84***17 | Pilot Valve | 1 |
| 84***18 | Pilot Valve | 1 |
| 84***19 | Valve Plate | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Hydraulic Tank
| 20***40 | Indicator Oil Level | 1 |
| 20***60 | Breather Plug | 1 |
| 31***48 | Breather Oil Container | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Outrigger Cylinder L.H. (Inner Parts)
| 01***20 | Screw | 1 |
| 04***35 | Bowl, Check Valve | 11 |
| 07***55 | O-Ring,(F4350-62a1 -14 ) | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Outrigger Cylinder R.H. (Inner Parts)
| 01***20 | Screw | 1 |
| 04***35 | Bowl, Check Valve | 11 |
| 07***55 | O-Ring,(F4350-62a1 -14 ) | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Shovel Control Assy. (2/4)
| 84***08 | Spool Return Unit | 1 |
| 84***09 | Plug | 1 |
| 84***10 | Shuttle Valve Kit | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Shovel Control Valve (1/4)
| 84***39 | Shovel Control Valve, Assembly | 1 |
| 84***11 | Big Plug | 1 |
| 84***63 | Floating Block, Shovel Lifting, Assembly | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Shovel Control Valve (3/4) (Whit Return To Dig)
| 84***13 | Gasket Kit | 1 |
| 84***16 | Valve Kit | 2 |
| 84***17 | Operating Kit | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Shovel Control Valve (4/4) (Floating Lifting Element)
| 84***74 | Gasket Kit, Secondary Valve | 2 |
| 84***13 | Gasket Kit | 1 |
| 84***16 | Valve Kit | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Shovel Control Valve (Floating Lifting Element)(For Bucket 4in1) (3/5)
| 84***13 | Gasket Kit | 1 |
| 84***16 | Valve Kit | 2 |
| 84***17 | Operating Kit | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Shovel Control Valve (For Bucket 4 In 1) (1/5)
| 84***67 | Shovel Control Valve,Assembly | 1 |
| 84***11 | Big Plug | 1 |
| 84***63 | Floating Block, Shovel Lifting, Assembly | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Shovel Control Valve (For Bucket 4 In 1) (2/5)
| 84***04 | Piston Kit | 1 |
| 84***08 | Spool Return Unit | 1 |
| 84***09 | Plug | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Shovel Control Valve (For Bucket 4 In 1) (5/5)
| 84***74 | Gasket Kit, Secondary Valve | 2 |
| 84***13 | Gasket Kit | 1 |
| 84***16 | Valve Kit | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Hydraulic System Work Equipment : Shovel Control Valve (With Return To Dig) (For Bucket 4 In 1) (4/5)
| 84***74 | Gasket Kit, Secondary Valve | 2 |
| 84***13 | Gasket Kit | 1 |
| 84***16 | Valve Kit | 2 |
Mark Plate
Komatsu : Wb140-2(S/N 140f10001-Up) : Mark Plate : Equipment
| 31***51 | Fastener | 1 |
| 31***26 | Pin | 1 |
| 31***50 | Protection | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Mark Plate : Stickers - Warning Plate (1/5)
| 30***91 | Mark Plate, California Battery | 1 |
| 31***12 | Plate, Hydraulic Transmission Scheme | 1 |
| 31***35 | Plate, Multifunctional Control | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Mark Plate : Stickers - Warning Plate (2/5)
| 31***04 | Plate, ''Air Recycle'' | 1 |
| 81***23 | Kit, Basic Sticker | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Mark Plate : Stickers - Warning Plate (3/5)
| 31***04 | Plate, ''Air Recycle'' | 1 |
| (8***3) | Kit, Basic Sticker | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Mark Plate : Stickers - Warning Plate (4/5) (Only For Machine With Cabin)
| (8***3) | Kit, Basic Sticker | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Mark Plate : Stickers - Warning Plate (5/5) (Only For Machine With Canopy)
| (8***3) | Kit, Basic Sticker | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Mark Plate : Tool (Optional)
| 82***43 | Filter Cartridge Wrench | 1 |
| 82***50 | Box Wrench (27 mm) | 1 |
| 82***52 | Box Wrench (32 mm) | 1 |
Work Equipment
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Arm And Bucket (Usa)
| 20***90 | Pin | 2 |
| 20***69 | Tie-Rod | 1 |
| 20***51 | Adapter (Welded) | 0 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Arm Cylinder
| 39***11 | Bushing | 1 |
| 39***13 | Cylinder | 1 |
| 39***11 | Rod | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Blade : Unit_02_of_02
| 31***50 | Blade | 1 |
| 80***99 | Bolt | 3 |
| 80***11 | Nut | 3 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Blade : Unit_01_of_02
| 31***50 | Blade | 1 |
| 80***13 | Bolt | 8 |
| 80***12 | Nut | 8 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Boom Cylinder
| 31***03 | Pipe Stopper | 1 |
| 39***07 | Plug | 1 |
| 39***14 | Bushing | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Boom Swing Cylinder
| 31***02 | Cylinder | 1 |
| 39***58 | Bushing | 1 |
| 39***09 | Boom Swing Cylinder Assembly., R.H | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Bracket And Boom (1/2)
| 31***53 | Support | 1 |
| 31***02 | Pin | 1 |
| 31***03 | Bushing | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Bracket And Boom (2/2)
| 31***55 | Support | 1 |
| 31***56 | Fastener | 1 |
| 31***57 | Cylinder | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Bucket 4 In 1
| 31***54 | Tooth | 8 |
| 31***77 | Pin | 2 |
| 31***26 | Protection | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Bucket 4 In 1 Cylinder
| 31***03 | Piston Rod | 1 |
| 31***04 | Cylinder | 1 |
| 31***74 | Bucket 4 In 1 Cylinder, Assembly | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Bucket 4 In 1 Fast Coupling
| 31***54 | Tooth | 8 |
| 31***77 | Pin | 2 |
| 31***63 | Bucket 4 In 1, Assembly | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Bucket Cylinder
| 39***11 | Cylinder | 1 |
| 39***12 | Shaft | 1 |
| 39***12 | Piston | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Fork (For Bucket 4 In 1)
| 31***50 | Rod | 2 |
| 31***51 | Fork | 2 |
| 31***09 | Pin | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Fork (For Bucket)
| 31***51 | Bucket | 1 |
| 31***53 | Bucket With Fork, Assembly | 1 |
| 31***51 | Fork | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Hammer M50 (1/2)
| 82***31 | M50 Hammer, Assembly | 1 |
| 82***33 | Chisel Point (Optional) | 1 |
| 82***38 | Flat Point (Optional) | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Hammer M50 (2/2)
| 82***54 | Fitting | 1 |
| 82***55 | Retainer | 2 |
| 82***56 | Pin | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Hammer M60 (1/2)
| 82***32 | M60 Hammer, Assembly | 1 |
| 82***34 | Chisel Point (Optional) | 1 |
| 82***45 | Flat Point (Optional) | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Hammer M60 (2/2)
| 82***54 | Fitting | 2 |
| 82***58 | Spring | 2 |
| 82***61 | Adjuster Shim | 10 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Horizontal Outrigger
| 31***56 | Bearing Boom | 2 |
| 31***59 | Bearing Boom | 2 |
| 31***52 | Foot | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Horizontal Outrigger (With Rubber)
| 31***56 | Bearing Boom | 2 |
| 31***59 | Bearing Boom | 2 |
| 31***54 | Foot | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Horizontal Outrigger (With Rubber) (Optional)
| 31***59 | Bearing Boom | 2 |
| 31***55 | Foot | 2 |
| 31***56 | Rubberized Foot | 6 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Horizontal Outrigger Cylinder Portection
| 31***61 | Clamp | 2 |
| 31***62 | Protection | 2 |
| 31***29 | Plate | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Jack (Quick Coupling For Bucket) (Optional)
| 20***19 | Cylinder | 1 |
| 50***13 | Piston | 2 |
| 50***14 | Piston Rod | 2 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Jig Arm
| 20***02 | Lever, R.H | 1 |
| 20***03 | Lever, L.H | 1 |
| 31***00 | Pin | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Jig Arm Cylinder : Unit_02_of_02
| 31***56 | Clamp | 1 |
| 31***53 | Pipe | 1 |
| 31***54 | Pipe | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Jig Arm Cylinder : Unit_01_of_02
| 20***08 | Piston Rod | 1 |
| 39***12 | Cylinder Head | 1 |
| 39***16 | Piston | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Quick Hydraulic Coupling For Bucket (Optional)
| 20***82 | Jack | 1 |
| 31***59 | Total | 1 |
| 31***47 | Closure | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Quick Hydraulic Coupling For Bucket 4 In 1 (Optional)
| 20***82 | Jack | 1 |
| 31***59 | Total | 1 |
| 31***47 | Closure | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Quick Mechanical Coupling For Bucket (Optional)
| 31***59 | Total | 1 |
| 31***60 | Bucket | 1 |
| 31***61 | Lever, Assembly | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Quick Mechanical Coupling For Bucket 4 In 1 (Optional)
| 31***59 | Total | 1 |
| 31***61 | Lever, Assembly | 1 |
| 31***67 | Clousure | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Safety Stay For Loader Arm End
| 31***09 | Pin | 4 |
| 31***51 | Safety Attachment | 1 |
| 80***83 | Bolt | 4 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Shovel Bucket And Arm (Usa)
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 15 |
| 02***16 | Nut (Only For Bucket With Cutting Edge) | 15 |
| 12***51 | Cutting Edge (Only For Bucket With Cutting Edge) | 3 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Shovel Dumping Cylinder
| 39***13 | Bushing | 1 |
| 39***13 | Cylinder Head | 1 |
| 39***12 | Cylinder | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Shovel Dumping Cylinder (Inner Parts)
| 01***29 | Nut - Front Axle Mounting | 1 |
| 07***80 | O-Ring (Kit) | 1 |
| 07***85 | O-Ring,(For Snow Removing) | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Shovel Lifting Cylinder
| 39***13 | Bushing | 1 |
| 39***11 | Cylinder Head | 1 |
| 39***14 | Hydraulic Jack, Assembly | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Shovel Lifting Cylinder (Inner Parts)
| 01***29 | Nut - Front Axle Mounting | 1 |
| 07***75 | O-Ring,Cylinder Head | 1 |
| 07***80 | O-Ring (Kit) | 1 |
Komatsu : Wb140-2(S/N 140f10001-Up) : Work Equipment : Swing Cylinder (Inner Parts)
| 01***20 | Screw | 1 |
| 07***10 | O-Ring,(Y1620-01a1-12) | 1 |
| 07***15 | O-Ring,(Y1621-01a0-10) | 1 |
WB140-2(S/N 140F10001-Up) serial number reference
The WB140-2 serial/PIN plate is mounted on the right-hand side of the main frame below the operator's cab; a duplicate tag can also be found on the left side of the engine compartment. The plate shows a single machine number such as 140F10001: "140" ties to the WB140 model family, "F" is the series letter, and the trailing digits are the sequential production number. Read the digit right after "F" to separate standard-transmission WB140-2 ("1") from power-shift WB140PS-2 ("5"), then compare the full number against published S/N breakpoints to place the machine in the correct running-change block.
| Prefix | Identifies | Notes |
|---|---|---|
| 140F1 | WB140-2 standard-transmission backhoe loader (base production block) | Machine number for this catalog entry starts at 140F10001. Engine is the Komatsu S4D106-1FH inline 4-cylinder diesel, about 64 kW (86 hp), 4.412 L displacement, 106 x 125 mm bore x stroke, peak torque near 330 Nm at 2200 rpm. Nameplate production runs 1999 into the mid-2000s. Dealer serial/year cross-reference tables place calendar-year breaks near 10006 (2000), 10288 (2001), 10502 (2002) and 11348 (2003) for this range - treat these as approximate and confirm exact year cutoffs with a dealer. Later running-change documentation for the same WB140-2 nameplate splits again at 140F11451 and 140F11531; those are separate catalog blocks, not this one. A backhoe control-valve running change is documented at the 140F11531 split, but no engine or major driveline change is documented at either split. The digit right after "140F" separates configuration on this model: "1" is this standard-transmission WB140-2, while "5" (140F50001-up and later sub-blocks) belongs to the power-shift WB140PS-2 - a related but distinct machine, not part of this family. |
Frequently asked questions
What engine powers the Komatsu WB140-2 (S/N 140F10001-Up)?
A Komatsu S4D106 4-cylinder, water-cooled diesel with a mechanical (non-electronic) injection pump and no engine ECM, rated about 64 kW (86 hp) net at 2200 rpm. Factory parts documentation for this serial range covers both naturally aspirated and turbocharged builds. This differs from the later WB140-2N, which uses a revised S4D106-2XFH arrangement under a separate serial series.
What is the operating weight of the WB140-2 (S/N 140F10001-Up)?
About 7,525-7,530 kg (16,590-16,600 lb), varying slightly with bucket, dipper (standard vs. factory-extendable), and counterweight configuration.
What replaced the Komatsu WB140-2 (S/N 140F10001-Up)?
Later running-change production blocks under the same WB140-2 nameplate (serial breaks near 140F11451 and 140F11531) carried on without a documented engine or major spec change. Komatsu eventually moved the platform forward as the WB140-2N, built under its own serial series with a revised turbo engine arrangement. Confirm exact regional succession with your Komatsu dealer.
What WB140-2(S/N 140F10001-Up) owners discuss
How does the transmission on this machine behave, and what causes shift or power-loss complaints?
This serial range runs a torque-converter transmission with a synchro power shuttle for forward/reverse, not the later full power-shift setup used on the PS-suffix machines. Owners report cases of weak or no drive pressure and rough shifting; on teardown this has traced back to debris or a piece of broken-off metal lodged in the valve body spool, blocking normal pressure buildup rather than a design flaw. If a machine shifts hard or loses drive, flush the system, check the suction screen, and inspect the valve body before condemning the transmission. Keep transmission fluid at the correct Komatsu spec and change interval, since low or contaminated fluid mimics the same symptoms.
Is there a known steering quirk separate from the loader and backhoe hydraulics?
Yes. Steering runs off its own circuit, separate from loader and backhoe function. Operators have reported cases where the loader and backhoe work normally but steering goes dead, pointing to the steering priority valve, the steering control unit, or a pressure switch/wiring fault in that circuit rather than the main pump. Because a steering failure is a drivability and safety issue, have your dealer verify steering circuit pressure and valve condition before returning the machine to work.
What engine quirks show up on this S4D106-family diesel for this era?
The 140F10001-Up range uses Komatsu's S4D106-series four-cylinder diesel with a mechanical (non-electronic) injection pump, rated in the general range of 64-65 kW (86-87 hp) net depending on source and test configuration. Owners flag two recurring items: the fuel filter sits in a spot that is easy to miss during routine service, and skipping it eventually shows up as fuel starvation or power loss; and injection pump seals and gaskets are a wear item worth checking if power drops off or a fuel leak appears. Outside of those two points, the engine itself has a solid reputation as long as fuel and filter service stays current.
What electrical or sensor issues come up most in owner discussions?
Electrical is the area owners complain about most on an otherwise solid machine, especially wiring and switches tied to the all-wheel-steer (AWS) system. A recurring no-crank complaint traces to the starter safety relay circuit: it needs a simultaneous signal from the neutral safety switch, key-on power, and alternator output, and a weak or marginal alternator signal alone can block cranking even with a good battery and the transmission in neutral. Separately, some owners report the direction-selector fuse blowing when shifting into reverse; this usually points to a chafed harness or a failing reverse solenoid rather than a bad fuse. Have your dealer verify starter safety relay wiring on any no-crank complaint before replacing starters or batteries.
What wear patterns are typical for a machine like this after years of loader/backhoe duty?
Pin and bushing wear at the backhoe boom, dipper, and swing-cylinder pivots is the biggest tell for a machine of this type and age. A simple field check: with the hoe down and stabilizers set, see if it can lift the rear of the machine slightly off the ground and hold it steady; excess play or a machine that can't lift itself points to worn pins or a weakening hydraulic pump. Front loader-arm and coupler pins wear the same way under heavy bucket cycling. Tires wear unevenly if the AWS/steering geometry is out of adjustment, so check front and rear tread wear together, not just tread depth.
What's the general owner and mechanic opinion on this machine's reliability?
Opinion is mixed but leans positive on the mechanical side. Many owners describe it as a tough, easy-to-maneuver, economical loader-backhoe that holds up well structurally and hydraulically over years of use. Others, including some dealer techs, note it feels underpowered next to same-class Case, Cat, and Deere tractor-loader-backhoes, and that Komatsu never captured the same market share in this segment, so parts familiarity and dealer stocking can lag behind the bigger brands in some regions. Budget extra lead time for parts sourcing versus a more common competitor machine.
What should a buyer check before purchasing a used WB140-2(S/N 140F10001-Up)?
Confirm the serial number falls in this specific range so parts and any prior repairs match the correct configuration, since Komatsu revised this model several times within its production run. Run the backhoe lift-itself-off-the-ground test to gauge pin wear and hydraulic pump condition. Start off in a higher gear and feel for torque-converter or clutch slip before engagement. Cycle steering through both 2WS and 4WS modes and watch for hesitation, dead spots, or warning lights, since steering and AWS wiring are known weak points. Check the fuse box and the wiring around the direction-selector and starter safety relay circuit for corrosion or chafing. Pull the fuel filter and check service history, since its mounting location makes it easy to neglect, and look for injection pump seal leaks. Any drivetrain, steering, or brake finding from this checklist should be confirmed by your dealer before the machine goes back to work.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Komatsu WB140-2(S/N 140F10001-Up). Related factory variants of the same model family:
WB140-2(S/N 140F11451-Up)WB140-2(S/N 140F11531-Up)
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