- Blade Capacity (Sae Rated): Semi-U blade-26.0 m3 (34.0 cu.yd); Coal blade-45.0 m3 (58.9 cu.yd)
- Blade Width: Semi-U blade-6470 mm (21'3"); Coal blade-7400 mm (24'3")
- Max. Pitch Angle Adjustment: +-8"
- Max. Tilt Adjustment: Semi-U blade-1330 mm (4'4"); Coal blade 1710 mm (5'7")
Published dimensions and weight
Komatsu WD900-3
The Komatsu WD900-3 is a wheel dozer powered by a 853 hp engine.
01Published dimensions and weight
Dimensions reference
Representative category illustration; exact model may differ.Measurement reference — not to scale
01Dimensions referenceLength × width × height
02WeightNot publishedNot published
03Selected published values46
Wheel dozers are commonly used to push, spread and clean up material where wheeled mobility is useful. Published rows for Komatsu WD900-3 include the published “Blade Capacity (Sae Rated)” field of Semi-U blade-26.0 m3 (34.0 cu.yd); Coal blade-45.0 m3 (58.9 cu.yd), the published “Blade Width” field of Semi-U blade-6470 mm (21'3"); Coal blade-7400 mm (24'3"), the published “Max. Pitch Angle Adjustment” field of +-8". These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Blade Capacity (Sae Rated)” field (Semi-U blade-26.0 m3 (34.0 cu.yd); Coal blade-45.0 m3 (58.9 cu.yd)) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Blade Width” field (Semi-U blade-6470 mm (21'3"); Coal blade-7400 mm (24'3")) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Max. Pitch Angle Adjustment” field (+-8") with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Blade Capacity (Sae Rated)Semi-U blade-26.0 m3 (34.0 cu.yd); Coal blade-45.0 m3 (58.9 cu.yd)Semi-U blade-26.0 m3 (34.0 cu.yd); Coal blade-45.0 m3 (58.9 cu.yd)
Blade WidthSemi-U blade-6470 mm (21'3"); Coal blade-7400 mm (24'3")Semi-U blade-6470 mm (21'3"); Coal blade-7400 mm (24'3")
Max. Pitch Angle Adjustment+-8"+-8"
Max. Tilt AdjustmentSemi-U blade-1330 mm (4'4"); Coal blade 1710 mm (5'7")Semi-U blade-1330 mm (4'4"); Coal blade 1710 mm (5'7")
Max.Drop Below GroundSemi-U blade-680 mm (2'3"); Coal blade 680 mm (2'3")Semi-U blade-680 mm (2'3"); Coal blade 680 mm (2'3")
Max.Lift Above GroundSemi-U blade-1580 mm(5"2"); Coal blade 1560 mm (5'1")Semi-U blade-1580 mm(5"2"); Coal blade 1560 mm (5'1")
Steering System
Steering System TypeArticulated type, full-hydraulic power steeringArticulated type, full-hydraulic power steering
Articulation Angle40 degees each direction40 degees each direction
Minimum Turning Radius At The Centre Of Outside Tire30.2 ft9205 mm
Engine
Number Of Cylinders1212
Piston Displacement1861 cu in30.5 L
Engine Make22382238
Engine ModelSA12V140SA12V140
Engine TypeWater-cooled, 4-cycleWater-cooled, 4-cycle
Power Measured @2000 rpm2000 rpm
Displacement1861.3 cu in30.5 L
AspirationTurbo-chargedTurbo-charged
Horsepower (Gross)637 Kw 853 Hp (SAE J1340) 637 Kw 865 PS (DIN 6270)637 Kw 853 Hp (SAE J1340) 637 Kw 865 PS (DIN 6270)
Bore And Stroke140mm*165mm 5.5"*6.5"140mm*165mm 5.5"*6.5"
Fuel SystemDirect injectionDirect injection
Capacities
Fuel Tank - Diesel377.8 gal1430.2 L
Hydraulic Tank191.5 gal725 L
Cooling System79.5 gal301 L
Engine Oil34.9 gal132.2 L
Torque Converter, Transmission And Retarder Cooling37 gal140.1 L
Axle Each (Front & Rear)95.1 gal360 L
Transmission
Torque Converter3-elements, 1-Stage, 1-phase3-elements, 1-Stage, 1-phase
TransmissionFull power-shift, planetary Gear typeFull power-shift, planetary Gear type
Tires
Front & Rear45/65 R45 XLDD(L4)45/65 R45 XLDD(L4)
Rims36.00-4536.00-45
Hydraulic System
Relief Valve Setting320 kg/cm2 4550 PSI320 kg/cm2 4550 PSI
Pump TypeTwo Piston-pumps, one for switch pumpTwo Piston-pumps, one for switch pump
No.Of Cylinders22
Control ValveDouble spool type, pilot controlDouble spool type, pilot control
Blade Lift ControlRaise, hold lower and floatRaise, hold lower and float
Blade Tilt And Pitch ContolTilt-left, hold and Tilt-right, pitch for forward and backTilt-left, hold and Tilt-right, pitch for forward and back
Hydraulic System TypeDouble-acting Piston typeDouble-acting Piston type
Axles
Drive SystemFour-wheel driveFour-wheel drive
FrontFixed, full-floatingFixed, full-floating
RearCenter-pin-support, full-floating +-11 OscillationCenter-pin-support, full-floating +-11 Oscillation
Reduction GearSpiral bevel gearSpiral bevel gear
Differential GearStraight bevel gearStraight bevel gear
Final Reduction GearPlanetary gear, sinlge reduction, oil bathPlanetary gear, sinlge reduction, oil bath
Brakes
Service Brake4-Wheel systematic break for front/rear wheel, hydraulically actuated for wet disc4-Wheel systematic break for front/rear wheel, hydraulically actuated for wet disc
Parking BrakeDry-disc type, hydraulic released, spring applied on front axle input shaftDry-disc type, hydraulic released, spring applied on front axle input shaft
Emergency BrakeUses Parking brakeUses Parking brake
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Manufacturer-published specifications.