Komatsu WA250PZ-6 Wheel Loader

Dimensions

Ground Clearance 1.53 ft in (465 mm)
Length With Bucket On Ground 24.3 ft in (7405 mm)
Width Over Tires 8.11 ft in (2470 mm)
Height To Top Of Cab 10.5 ft in (3200 mm)
Wheelbase 9.52 ft in (2900 mm)
Length 283.67 in (7205 mm)

Steering System

Steering System Type Full-hydraulic power steering
Minimum Turning Radius At The Centre Of Outside Tire 17 ft in (5175 mm)

Engine Details

Horsepower, Gross-Sae J1995 139.5 hp (104 kw)
Horsepower, Net-Iso 9249 138.2 hp (103 kw)
Horsepower, Net-Sae J1349 138.2 hp (103 kw)
Fan Drive Method ​Hydraulic
Lubrication Method Gear pump, force-lubricatio
Filter Full-flow type
Number Of Cylinders 6
Piston Displacement 408.3 cu in (6.7 L)
Engine Make Komatsu
Engine Model SAA4D107E-1
Engine Type Water-cooled, 4-cycle
Air Cleaner Dry type
Governor All-speed, electronic
Power Measured @ 2000 rpm
Displacement 408.3 cu in (6.7 L)
Aspiration Turbocharged, after cooled
Bore 4.3 in (107 mm)
Stroke 4.9 in (124 mm)
Fuel System Direct injection

Driveline

Maximum Speeds, Fwd / Rev 23.7 mph (38 km/h)
Brake Hydraulic, Wet disc
Ride Control System Standard
Transmission Hydrostatic
Number Of Speeds – Forward 4
Number Of Speeds – Reverse 4

Capacities

Fuel Tank Capacity 49.2 gal (186 L)
Cooling System 5.9 gal (22 L)
Hydraulic System 17.7 gal (67 L)
Engine Oil 6.1 gal (23 L)
Torque Converter, Transmission And Retarder Cooling 1.4 gal (5 L)
Axle Each (Front & Rear) 4.8 gal (18 L)

Operational Specs

Bucket Capacity Range – Sae On request
Standard Bucket Capacity – Sae 3.3 yd3 (2.5 m3)
Bucket Description GP Bucket, Bolt Edge
Static Tipping Load,Full Turn 18011.8 lb (8170 kg)
Breakout Force 13380 kgf
Dump Clearance, @45 Degrees Dump Angle 9.7 ft in (2945 mm)
Dump Reach, @45 Degrees Dump Angle 3.2 ft in (945 mm)
Bucket Width 8.4 ft in (2550 mm)
Bucket Link Type Z-Bar

Transmission

Transmission Type Hydrostatic
Number Of Forward Gears 4
Number Of Reverse Gears 4
Max Speed – Forward 23.6 mph (38 km/h)
Max Speed – Reverse 23.6 mph (38 km/h)

Tires

Standard Fitment Size 20.5 R25 L3

Weights

Operating Weight 26709.1 lb (12115 kg)

Hydraulic System

Steering Pump Type Gear
Loader Control Type Gear
Number Of Cylinders 2
Bore 2.8 in (70 mm)
Control Valve 3-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
Lift Cylinder Stroke 28.3 in (717 mm)
Loader Control_Capcity 20.7 gal (78 L)
Lift Cylinder 2
Lift Cylinder Bore 5.2 in (130 mm)
Bucket Cylinde Bore 6.7 in (170 mm)
Bucket Cylinde Stroke 18.9 in (480 mm)
Stroke 17.9 in (453 mm)
Relief Valve Setting 186 MPa 190 kgf/cm 2 2,700 psi
Pump Flow Capacity 29.1 gal/min (110 L/min)
Raise Time 5.7 sec
Dump Time 1.6 sec
Lower Time 3.3 sec

Axles

Drive System Four-wheel drive
Front Fixed, semi-floating
Rear Center-pin support, semi-floating, 24 ̊ total oscillation

Hydraulic System

Pump Type Gear type pump

Final Drive

Reduction Gear Spiral bevel gear
Differential Gear Torque proportioning
Final Reduction Gear Planetary gear, single reduction

Brakes

Parking Brake Wet
Service Brake Hydraulically actuated
Emergency Brake Parking brake is commonly used
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