Contents
Loader
| Komatsu WA380-6 | Standard Boom | High Lift Boom |
|---|---|---|
| GP Bucket Capacity, SAE | 4.3 yd3 (3.3 m3) | 3.8 yd3 (2.9 m3) |
| Static Tipping Load, straight | 32100 lb (14560 kg) | 26588 lb (12060 kg) |
| Static Tipping Load, 40˚ full turn | 27800 lb (12610 kg) | 22774 lb (10330 kg) |
| Bucket Type | GP Bucket Bolt-on Cutting Edges | Excavating Bucket Bolt-on Cutting Edges |
| Bucket Width | 116.1 in (2950 mm) | 114.4 in (2905 mm) |
| Breakout Force | 35520 lbf (158 kN) | 37318 lbf (166 kN) |
| Dump Clearance, @45° Dump Angle | 116.1 in (2950 mm) | 140.7 in (3575 mm) |
| Dump Reach, @45° Dump Angle | 45.3 in (1150 mm) | 46.7 in (1185 mm) |
| Raise Time | 5.9 sec | 5.9 sec |
| Dump Time | 1.8 sec | 1.8 sec |
| Lower Time | 3.3 sec | 3.3 sec |

Dimensions
| Komatsu WA380-6 | Standard Boom | High Lift Boom |
|---|---|---|
| Overall Length | 344.9 in (8760 mm) | 344.9 in (8760 mm) |
| Width Over Tires | 109.2 in (2775 mm) | 109.2 in (2775 mm) |
| Tread | 85 in (2160 mm) | 85 in (2160 mm) |
| A. Wheelbase | 119.3 in (3030 mm) | 119.3 in (3030 mm) |
| B. Hinge Pin Height @ Max Height | 161.2 in (4095 mm) | 182.1 in (4625 mm) |
| C. Hinge Pin Height @ Carry Position | 20.5 in (520 mm) | 26.8 in (680 mm) |
| D. Ground Clearance | 18 in (455 mm) | 18 in (455 mm) |
| E. Hitch Height | 45.3 in (1150 mm) | 45.3 in (1150 mm) |
| F. Height to Top of Stack | 117.1 in (2975 mm) | 117.1 in (2975 mm) |
| G. Height to Top of Cab w/ ROPS | 133.5 in (3390 mm) | 133.5 in (3390 mm) |

Weights
| Komatsu WA380-6 | Standard Boom | High Lift Boom |
|---|---|---|
| Operating Weight | 38757 lb (17580 kg) | 40852 lb (18530 kg) |
| Max Operating Weight | 39264 lb (17810 kg) | 40940 lb (18570 kg) |
| Standard Bucket Weight | 3571 lb (1620 kg) | 3792 lb (1720 kg) |
| Counterweight | 750 lb (340 kg) | 750 lb (340 kg) |
Engine Details
| Number Of Cylinders | 6 |
| Engine Make | Komatsu |
| Engine Model | Komatsu SAA6D107E-1 |
| Displacement | 408.3 cu in (6.7 L) |
| Bore | 4.3 in (107 mm) |
| Stroke | 4.9 in (124 mm) |
| Gross Horsepower, SAE J1995 | 191.8 hp (143 kw) |
| Net Horsepower, SAE J1349 | 178.4 hp (133 kw) |
| Net Horsepower, ISO 9249 | 190.5 hp (142 kw) |
| Power Measured @ | 2100 rpm |
| Fan Drive Method | Hydraulic |
| Lubrication Method | Gear pump, force-lubrication |
| Fuel Filter | Full-flow type |
| Fuel System | Direct injection |
| Engine Type | Water-cooled, 4-cycle |
| Air Cleaner | Dry type |
| Governor | All-speed, electronic |
| Aspiration | Turbocharged, aftercooled |
| Emission Standards | US EPA Tier 3 + EU Stage 3A |

Operational Specs
| Max Operating Weight | 40940 lb (18570 kg) |
| Operating Voltage | 24 V |
| Alternator | 60 amps |
| Battery | 2x 12 V, 136 Ah |
| Starter | 24 V, 7.4 hp (5.5 kw) |
| Cab | ROPS ISO 3471 / FOPS ISO 3449 |
| Operator Seat | Air-suspension seat with reclining |
Transmission
| Type | Automatic Powershift Transmission |
| Torque Converter | 3-element, single-stage, single-phase |
| Number Of Speeds | 4F / 4R |
| Max Forward Speed | 21.2 mph (34.0 km/h) |
| Max Reverse Speed | 22.1 mph (35.5 km/h) |
| Tire Size (Standard) | 23.5 R25 L3 |
| Tire Size (Optional) | 20.5-25 |

Hydraulic System
| Pump Type | Piston Pump |
| Max Pump Flow | 54.3 gal/min (205.5 L/min) |
| Relief Valve Setting | 4554 psi (31400 kPa) |
| 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 |
| Number Of Boom Cylinders | 2 |
| Boom Cylinder Bore | 5.2 in (130 mm) |
| Boom Cylinder Stroke | 28.1 in (713 mm) |
| Number Of Bucket Cylinders | 1 |
| Bucket Cylinde Bore | 6 in (150 mm) |
| Bucket Cylinde Stroke | 21.1 in (535 mm) |

Steering System
| Type | Full-hydraulic power steering |
| Steering Pump Type | Piston Pump |
| Steering Pump Flow | 36.5 gal/min (138 L/min) |
| Steering Relief Valve Setting | 3555 psi (24500 kPa) |
| Number Of Steering Cylinders | 2 |
| Steering Cylinder Bore | 3 in (75 mm) |
| Steering Cylinder Stroke | 17.5 in (442 mm) |
| Minimum Turning Radius At The Centre Of Outside Tire | 211.8 in (5380 mm) |
Axles
| Drive System | Four-wheel drive |
| Front Axle | Fixed, semi-floating |
| Rear Axle | Center-pin support, semi-floating |
| Rear Axle Oscillation | ±12° |

Final Drive
| 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 disc |
| Emergency Brake | Parking brake is commonly used |

Service Refill Capacities
| Fuel Tank Capacity | 79.3 gal (300 L) |
| Cooling System Capacity | 8.1 gal (30.5 L) |
| Engine Oil Capacity | 6.1 gal (23 L) |
| Hydraulic System Capacity | 36.8 gal (139 L) |
| Torque Converter, Transmission And Retarder Cooling | 10.1 gal (38 L) |
| Axle Each (Front & Rear) | 10.6 gal (40 L) |