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Komatsu WA320-6 Wheel Loader Specs

Komatsu WA320-6 wheel loader is a mid-size articulated machine designed for material handling, stockpiling, truck loading, and general construction work. It is equipped with a Komatsu diesel engine, hydrostatic or torque-converter drivetrain depending on configuration, and a front-mounted loader bucket for efficient loading cycles. The WA320-6 features a reinforced frame, hydraulic lift and tilt system, and operator cab with controls for visibility and productivity. Common applications include aggregate yards, road building, agriculture, and waste handling. The model is part of Komatsu's WA series of wheel loaders and is used in demanding earthmoving and material transport operations.


Axles

Komatsu WA320-6 Wheel Loader Axles specifications
Drive System Four-wheel drive
Front Fixed, semi-floating
Rear Center-pin support, semi-floating, 24 ? total oscillation

Brakes

Komatsu WA320-6 Wheel Loader Brakes specifications
Emergency Brake Parking brake is commonly used
Parking Brake Wet
Service Brake Hydraulically actuated

Capacities

Komatsu WA320-6 Wheel Loader Capacities specifications
Axle Each (Front & Rear) 6.40 gal (24.22 l)
Cooling System 6.70 gal (25.36 l)
Engine Oil 6.10 gal (23.09 l)
Fuel Tank 64.80 gal (245.27 l)
Hydraulic System 23.60 gal (89.33 l)
Torque Converter, Transmission And Retarder Cooling 1.80 gal (6.81 l)

Dimensions

Komatsu WA320-6 Wheel Loader Dimensions specifications
Ground Clearance 1.40 ft (0.43 m)
Height 10.42 ft (3.18 m)
Height To Top Of Cab 10.50 ft (3.20 m)
Length 24.58 ft (7.49 m)
Length With Bucket On Ground 24.30 ft (7.41 m)
Weight 32,070.00 lbs (14,546.73 kg)
Wheelbase 9.95 ft (3.03 m)
Width 8.42 ft (2.57 m)
Width Over Tires 8.50 ft (2.59 m)

Driveline

Komatsu WA320-6 Wheel Loader Driveline specifications
Brake Hydraulic, Wet disc
Maximum Speeds, Fwd / Rev 23.70 mph (38.14 kph)
Number Of Speeds - Forward 4
Number Of Speeds - Reverse 4
Ride Control System Standard
Transmission Hydrostatic

Engine

Komatsu WA320-6 Wheel Loader Engine specifications
Air Cleaner Dry type
Aspiration Turbocharged, after cooled
Bore 4.30 in (10.92 cm)
Displacement 408.30 cu in (6,690.85 cu cm)
Engine Make 2238
Engine Model SAA6D107E-1
Engine Type Water-cooled, 4-cycle
Fan Drive Method ?Hydraulic
Filter Full-flow type
Fuel System Direct injection
Governor All-speed, electronic
Horsepower, Gross-Sae J1995 170.80 hp (127.37 kw)
Horsepower, Net-Iso 9249 167.70 hp (125.06 kw)
Horsepower, Net-Sae J1349 167.70 hp (125.06 kw)
Lubrication Method Gear pump, force-lubricatio
Number Of Cylinders 6
Piston Displacement 408.30 cu in (6,690.85 cu cm)
Power Measured @ 2000 rpm
Stroke 4.90 in (12.45 cm)

Final Drive

Komatsu WA320-6 Wheel Loader Final Drive specifications
Differential Gear Torque proportioning
Final Reduction Gear Planetary gear, single reduction
Reduction Gear Spiral bevel gear

Hydraulic System

Komatsu WA320-6 Wheel Loader Hydraulic System specifications
Bore 2.80 in (7.11 cm)
Bucket Cylinde Bore 6.30 in (16.00 cm)
Bucket Cylinde Stroke 21.00 in (53.34 cm)
Control Positions Boom Raise, hold, lower, and float
Control Positions Bucket Tilt-back, hold, and dump
Control Valve 2-spool type
Dump Time 1.2 sec
Hydraulic Cylinders Type Double-acting, piston type
Lift Cylinder 2
Lift Cylinder Bore 5.60 in (14.22 cm)
Lift Cylinder Stroke 29.20 in (74.17 cm)
Loader Control Type Gear
Loader Control_Capcity 16.20 gal (61.32 l)
Lower Time 3.3 sec
Number Of Cylinders 2
Pump Flow Capacity 45.50 gpm (172.22 lpm)
Pump Type Gear type pump
Raise Time 6.1 sec
Relief Valve Setting 20.6 MPa 210 kgf/cm 2 2,990 psi
Steering Pump Type Gear
Stroke 17.90 in (45.47 cm)

Operational

Komatsu WA320-6 Wheel Loader Operational specifications
Breakout Force 15720 kgf
Bucket Capacity Range – Sae On request
Bucket Description GP Bucket, Bolt Edge
Bucket Link Type Z-Bar
Bucket Width 9.00 ft (2.74 m)
Dump Clearance, @45 Degrees Dump Angle 9.20 ft (2.80 m)
Dump Reach, @45 Degrees Dump Angle 3.60 ft (1.10 m)
Standard Bucket Capacity – Sae 4.2 cu yd
Static Tipping Load,Full Turn 21,153.40 lbs (9,595.03 kg)

Steering System

Komatsu WA320-6 Wheel Loader Steering System specifications
Minimum Turning Radius At The Centre Of Outside Tire 17.70 ft (5.39 m)
Steering System Type Full-hydraulic power steering

Tires

Komatsu WA320-6 Wheel Loader Tires specifications
Standard Fitment Size 20.5 R25 L3

Transmission

Komatsu WA320-6 Wheel Loader Transmission specifications
Max Speed - Forward 23.70 mph (38.14 kph)
Max Speed - Reverse 14.70 mph (23.66 kph)
Number Of Forward Gears 4
Number Of Reverse Gears 4
Transmission Type Hydrostatic

Weights

Komatsu WA320-6 Wheel Loader Weights specifications
Operating Weight 31,680.50 lbs (14,370.05 kg)
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