Komatsu WD900-3 Wheel Dozer

Komatsu WD900-3 Wheel Dozer Specs front
Komatsu WD900-3 Wheel Dozer Specs front
Komatsu WD900-3 Wheel Dozer Specs side
Komatsu WD900-3 Wheel Dozer Specs side
Komatsu WD900-3 Wheel Dozer Specs back
Komatsu WD900-3 Wheel Dozer Specs back
Units

Specifications

Steering System

Steering System Type

Articulated type, full-hydraulic power steering

Articulation angle

40 degees each direction

Minimum turning radius at the centre of outside tire

30.2 ft in

Engine

Number of Cylinders

12

Piston displacement

1861 cu in

Engine Make

2238

Engine Model

SA12V140

Engine Type

Water-cooled, 4-cycle

Power Measured @

2000 rpm

Displacement

1861.3

Aspiration

Turbo-charged

Horsepower (gross)

637 Kw 853 Hp (SAE J1340) 637 Kw 865 PS (DIN 6270)

Bore and Stroke

140mm*165mm 5.5\"*6.5\"

Fuel system

Direct injection

Capacities

Fuel Tank - diesel

377.8 gal

Hydraulic Tank

191.5 gal

Cooling system

79.5 gal

Engine Oil

34.9 gal

Torque converter, transmission and retarder cooling

37 gal

Axle each (Front & Rear)

95.1 gal

Transmission

Torque converter

3-elements, 1-Stage, 1-phase

Transmission

Full power-shift, planetary Gear type

Tires

Front & Rear

45/65 R45 XLDD(L4)

Rims

36.00-45

Hydraulic System

Relief Valve Setting

320 kg/cm2 4550 PSI

Pump type

Two Piston-pumps, one for switch pump

Axles

Drive System

Four-wheel drive

Front

Fixed, full-floating

Rear

Center-pin-support, full-floating +-11 Oscillation

Reduction Gear

Spiral bevel gear

Differential Gear

Straight bevel gear

Final reduction Gear

Planetary gear, sinlge reduction, oil bath

Hydraulic System

No.of Cylinders

2

Control Valve

Double spool type, pilot control

Blade lift Control

Raise, hold lower and float

Blade tilt and pitch Contol

Tilt-left, hold and Tilt-right, pitch for forward and back

Hydraulic System Type

Double-acting Piston type

Brakes

Service brake

4-Wheel systematic break for front/rear wheel, hydraulically actuated for wet disc

Parking brake

Dry-disc type, hydraulic released, spring applied on front axle input shaft

Emergency brake

Uses Parking brake

Dimensions

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.drop below ground

Semi-U blade-680 mm (2\'3\"); Coal blade 680 mm (2\'3\")

Max.lift above ground

Semi-U blade-1580 mm(5\"2\"); Coal blade 1560 mm (5\'1\")

Max. tilt adjustment

Semi-U blade-1330 mm (4\'4\"); Coal blade 1710 mm (5\'7\")

Max. pitch angle adjustment

+-8\"