Komatsu WA900-3E0 Wheel Loader

Dimensions

Ground Clearance 1.81 ft in (550 mm)
Height To Top Of Cab 17.31 ft in (5275 mm)
Wheelbase 214.57 in (5450 mm)
Length 14270 mm
Turning Circle 30.19 ft in (9200 mm)
Width Over Tyres 180.52 in (4585 mm)

Tyres

Standard Fitment Size 45/65-45-58PR-L-5 tubeless

Steering System

Steering System Type Articulated type, full-hydraulic power steering
Minimum Turning Radius At The Centre Of Outside Tire 30.2 ft in (9200 mm)
Steering Angle 40 degrees

Engine Details

Horsepower, Gross-Sae J1995 901.2 hp (672 kw)
Horsepower, Net-Iso 9249 855.6 hp (638 kw)
Horsepower, Net-Sae J1349 855.6 hp (638 kw)
Fan Drive Method Hydraulic
Lubrication Method Gear pump, force-lubrication
Filter Full-flow and bypass combined
Number Of Cylinders ​12
Engine Model Komatsu SAA2V140E-3
Engine Type Water-cooled, 4-cycle
Air Cleaner Dry type with automatic dust ejector and pre-cleaner, cyclopac with vacuator
Governor All-speed, electronic
Rated Power ​2050 rpm
Displacement 1860.1 cu in (30.5 L)
Aspiration Turbocharged, air-to-air aftercooled
Fuel Type Direct injection
Bore 5.6 in (140 mm)
Stroke 6.5 in (165 mm)

Driveline

Maximum Speeds Fwd 17.4 mph (28 km/h)
Maximum Speeds Rev 17.6 mph (28.3 km/h)
Service Brake Type Hydraulically actuated, wet disc brakes actuate on four wheels
Parking Brake Type ​Dry disc brake
Number Of Speeds – Forward 3
Number Of Speeds – Reverse 3
Transmission Type Full-powershift, planetary gear

Capacities

Fuel Tank Capacity 410.8 gal (1555 L)
Cooling System 89.1 gal (337 L)
Hydraulic System 191.6 gal (725 L)
Engine Oil 34.4 gal (130 L)
Torque Converter, Transmission And Retarder Cooling 37 gal (140 L)
Axle Each (Front & Rear) 95.2 gal (360 L)

Operational Specs

Standard Bucket Capacity – Sae 17.1 yd3 (13 m3)
Static Tipping Load,Full Turn 126611.5 lb (57430 kg)
Breakout Force 67900 kgf
Dump Clearance, @45 Degrees Dump Angle 15.3 ft in (4640 mm)
Dump Reach, @45 Degrees Dump Angle 8.1 ft in (2450 mm)
Bucket Width 15.8 ft in (4810 mm)
Bucket Link Type Z-Bar
Static Tipping Load, Full Straight 144777.6 lb (65670 kg)

Transmission

Transmission Type Full-powershift

Weights

Operating Weight 236335.6 lb (107200 kg)

Hydraulic System

Steering Pump Type Piston Pump
Loader Control Type Piston Pump
Number Of Cylinders 2
Bore 6.3 in (160 mm)
Hydraulic Pump Piston pump
Steering System Capacity 83.3 gal/min (315 L/min)
Loader Control Capacity 109.7 gal/min (415 L/min)
Control Valve 2-spool type
Control Positions Boom Raise, hold, lower, and float
Control Positions Bucket Tilt-back, hold, and dump
Hydraulic Cylinders Type Double-acting, piston type
Boom Raise, hold, lower, and float
Bucket Tilt-back, hold, and dump
Stroke 503 mm
Relief Valve Setting 4977 psi (34315.2 kPa)
Raise Time 11.2 sec
Dump Time 2 sec
Lower Time 4.8 sec

Final Drive

Reduction Gear Spiral bevel gear
Differential Gear Straight bevel gear
Final Reduction Gear Planetary gear
Drive System Four-wheel drive
Front Fixed, full-floating
Rear Center-pin support, full-floating, 22˚ total oscillation

Brakes

Parking Brake Dry disc brake
Service Brake Hydraulically actuated, wet disc brakes actuate on four wheels
Emergency Brake Parking brake is commonly used
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