WA320PZ-6 Wheel Loaders

SPECIFICATIONS

Engine

Model	Komatsu SAA6D107E-1
Type	Four-cycle, water-cooled, direct injection
Aspiration	Turbo-charged, after-cooled
Number of cylinders	6
Bore x stroke	107 mm x 124 mm
Displacement	6.69 ltr
Horsepower, Gross - SAE J1995	127 kW / 171 HP
Horsepower, Net - ISO 9249 / SAE J1349	125 kW / 167 HP
Rated RPM	2000
Fan drive method	Hydraulic
Emissions certification	EPA Tier 3

Operation / Application

Bucket capacity SAE	2.7 - 3.2 m3
Standard bucket capacity SAE	3.2 m3
Bucket description	Light material bucket, pin on
Bucket width	2740 mm
Dump clearance at 45° dump angle	2800 mm
Dump reach at 45° dump angle	1070 mm
Static tipping load, straight	11070 kg
Static tipping load, full turn	9500 kg
Breakout force	154 kN 15720 kgf

Axles and Final Drives

Drive system	Four-wheel drive
Front	Fixed, semi-floating
Rear	Centre-pin support, semi-floating, 24° total oscillation
Reduction gear	Spiral bevel gear
Differential gear	Torque proportioning
Final reduction gear	Planetary gear, single reduction

Brakes

Service brakes Hydraulically actuated, wet disc brakes actuate on four wheels
Parking brake Wet, multi-disc brake on transfer output shaft
Secondary brake Parking brake is commonly used

Hydraulic System

Steering System:

Hydraulic pump	Gear type pump
Capacity (at rated rpm)	172 ltr/min
Relief valve setting	20.6 MPa 210 kgf/cm²
Hydraulic Cylinders:
Type	Double-acting, piston type
Number of cylinders	2
Bore x stroke	70 mm x 453 mm

Loader Control:

Hydraulic pump	Gear type pump
Capacity	61 ltr/min
Relief valve setting	20.6 MPa 210 kgf/cm²
Hydraulic Cylinders:
Type	Double-acting, piston type
Number of boom cylinders	2
Boom cylinder, bore x stroke	140 mm x 729 mm
Number of bucket cylinders	1
Bucket cylinder, bore x stroke	180 mm x 558 mm
Control valve	3-spool type
Control Positions:
Boom	Raise, hold, lower, and float
Bucket	Tilt-back, hold, and dump
Hydraulic Cycle Time: (rated load in bucket)
Raise	5.6 sec
Dump	1.9 sec
Lower (empty)	3.3 sec

Service Refill Capacities

Cooling system 25 ltr
Fuel tank 245 ltr
Engine 23 ltr
Hydraulic system 89 ltr
Axle front 24 ltr
Axle rear 24 ltr
Transfer case 6.5 ltr
Steering System

Type Articulated type, fully hydraulic power steering
Steering angle 38.5° each direction (40° to max end stop)
Minimum turning radius at centre of outside tyre 5380 mm
Transmission

Transmission Hydrostatic, 1 pump, 2 motors with speed range select
Travel speed Forward & Reverse
1st 4.0 - 13.0 km/h
2nd 13.0 km/h
3rd 18.7 km/h
4th 38.0 km/h
Measured with 20.5-25 tyres
Tyres

Standard tyres 20.5-25-12PR, L2 tubeless
Weights

Operating weight 15,280 kg

The hydrostatic drive WA320PZ-6 features Komatsu’s PZ parallel-lift arm system with bucket capacities from 2.3-3.2 cu m, along with hydrostatic drive, for maximum versatility and productivity across loading, handling and lifting applications. As with all our wheel loaders, key components are designed and manufactured by Komatsu to work together in an integrated package. And it comes standard with our Komtrax remote monitoring and location system, backed by our Australia-wide service and support network.

125 kW / 167 HP
ENGINE POWER
15,280 kg
OPERATING WEIGHT
3.2 m³
BUCKET CAPACITY