Contents
Loader Performance
| Komatsu WA320PZ-6 Bucket | with Quick Coupler | with Pin On Bucket |
|---|---|---|
| Bucket Capacity, Heaped | 3.5 yd3 (2.7 m3) | 4.12 yd3 (3.15 m3) |
| Bucket Capacity, Struck | 3.0 yd3 (2.3 m3) | 3.7 yd3 (2.8 m3) |
| Bucket Width | 107.9 in (2740 mm) | 107.9 in (2740 mm) |
| Breakout Force | 31770 lbf (141.32 kN) | 34660 lbf (154.2 kN) |
| Static Tipping Load, Straight | 22950 lb (10410 kg) | 24400 lb (11070 kg) |
| Static Tipping Load, Full Turn (40°) | 20190 lb (9160 kg) | 20940 lb (9500 kg) |
| QC-Bucket Weight | 2510 lb (1140 kg) | 3510 lb (1430 kg) |
| Dumping Clearance (Max Height, 45°) | 110 in (2800 mm) | 110 in (2800 mm) |
| Reach at 2130 mm Height, 45° Dump Angle | 66 in (1670 mm) | 63 in (1610 mm) |
| Reach at Max Height, 45° Dump Angle | 44 in (1130 mm) | 42 in (1070 mm) |
| Reach with Boom/Bucket Level | 105 in (2655 mm) | 103 in (2605 mm) |
| Operating Height, Fully Raised | 213 in (5355 mm) | 218 in (5510 mm) |
| Overall Length, Bucket on Ground | 306 in (7770 mm) | 305 in (7750 mm) |
| Digging Depth @ 0° | 5.1 in (130 mm) | 6.3 in (160 mm) |
| Digging Depth @ 10° | 14.6 in (370 mm) | 15.4 in (390 mm) |
Dimensions
| Length with Bucket on Ground (w/ Quick Coupler) | 305.9 in (7770 mm) |
| Length with Bucket on Ground (w/ Pin On Bucket) | 305.1 in (7750 mm) |
| Wheelbase | 119.3 in (3030 mm) |
| Width Over Tires | 102 in (2590 mm) |
| Height to Top of Cab | 126 in (3200 mm) |
| Ground Clearance | 16.7 in (425 mm) |
Weights
| Operating Weight (Cab, w/ Bucket) | 33690 lb (15280 kg) |
| Operating Weight (Canopy, w/ Bucket) | 33051 lb (14990 kg) |
| Operating Weight (Cab, w/ Fork) | 32400 lb (14695 kg) |
Engine Details
| Number of Cylinders | 6 |
| Engine Make | Komatsu |
| Engine Model | Komatsu SAA6D107E-1 |
| Displacement | 408.3 cu in (6.69 L) |
| Bore | 4.3 in (107 mm) |
| Stroke | 4.9 in (124 mm) |
| Gross Horsepower | 171 hp (127 kw) |
| Net Horsepower | 167 hp (125 kw) |
| Power Measured @ | 2000 rpm |
| Peak Torque | 496 lb ft (672 Nm) |
| Torque Measured @ | 1500 rpm |
| Air Cleaner | Dry type |
| Lubrication System | Gear pump, force-lubrication with full-flow filter |
| Cooling System | Hydraulic fan drive method for radiator cooling |
| Fuel System | Direct injection |
| Governor | All-speed, electronic |
| Aspiration | Turbocharged, aftercooled |
| Emission Standards | US EPA Tier 3 + EU Stage IIIA |
Operational Specs
| Operating Weight | 33690 lb (15280 kg) |
| Standard Bucket Capacity (w/ Quick Coupler) | 3.5 yd3 (2.7 m3) |
| Standard Bucket Capacity (w/ Pin On Bucket) | 4.12 yd3 (3.15 m3) |
| Operating Voltage | 24 V |
| Alternator | 60 amps |
| Battery | 2x 12 V, 110 Ah |
| Starter | 24 V, 6 hp (4.5 kw) |
| Noise Level (Operator’s Ear) | 70 dB(A) |
| Dynamic Noise Level (Outside) | 107 dB(A) |
| Tire Size | 20.5-25-12PR, L2 tubeless |
Transmission
| Transmission Type | Hydrostatic transmission |
| Number of Gears | 4F / 4R |
| Max Travel Speed | 23.6 mph (38 km/h) |
| Service Brakes | Hydraulically actuated brakes |
| Emergency Brake | Parking brake is commonly used |
| Parking Brake | Wet |
Axles
| Drive System | Four-wheel drive (4WD) |
| Front Axle | Fixed, semi-floating |
| Rear Axle | Center-pin support, semi-floating, 24° total oscillation |
Final Drive
| Reduction Gear | Spiral bevel gear |
| Differential Gear | Torque proportioning |
| Final Reduction Gear | Planetary gear, single reduction |
Steering System
| Steering System Type | Full-hydraulic power steering |
| Steering Pump Type | Gear type pump |
| Steering Pump Capacity | 45.4 gal/min (172 L/min) |
| Relief Valve Setting | 2990 psi (20615 kPa) |
| Number of Cylinders | 2x double-acting, piston type cylinders |
| Bore | 2.8 in (70 mm) |
| Stroke | 17.8 in (453 mm) |
| Minimum Turning Radius | 211.8 in (5380 mm) |
Hydraulic System
| Hydraulic Pump Type | Gear type pump |
| Hydraulic Pump Capacity | 16.1 gal/min (61 L/min) |
| Relief Valve Setting | 3000 psi (20684 kPa) |
| Control Valve | 3-spool type |
| Boom Control Positions | Raise, hold, lower, and float |
| Bucket Control Positions | Tilt-back, hold, and dump |
| Hydraulic Cylinder Type | Double-acting, piston type |
| Lift Cylinders | 2x 5.5 x 28.7 in (140 x 729 mm) |
| Bucket Cylinders | 1x 7.1 x 22.0 in (180 x 558 mm) |
| Boom Raise Time | 5.6 sec |
| Boom Dump Time | 1.9 sec |
| Boom Lower Time | 3.3 sec |
Service Refill Capacities
| Fuel Tank Capacity | 64.7 gal (245 L) |
| Engine Oil Capacity | 6.1 gal (23 L) |
| Cooling System Capacity | 6.6 gal (25 L) |
| Hydraulic System Capacity | 23.5 gal (89 L) |
| Torque Converter & Transmission Capacity | 1.5 gal (6.5 L) |
| Front Axle Capacity | 6.4 gal (24 L) |
| Rear Axle Capacity | 6.4 gal (24 L) |
