Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200
The Komatsu HM300-1 Off-Highway Truck is a powerful and reliable machine designed to handle heavy-duty hauling tasks with ease. With a dump capacity of up to 21.8 cubic yards and a rated payload of 60,186.3 pounds, this truck is built for efficient performance on challenging worksites. Equipped with a turbocharged engine generating 335.3 horsepower and capable of reaching speeds of up to 36.7 mph, the HM300-1 offers exceptional productivity and durability for demanding operations. With its impressive specifications and sturdy construction, this off-highway truck is a top choice for heavy-duty hauling needs.
| Dump Ground Clearance | 2.00 ft (0.61 m) |
| Dump Height | 21.20 ft (6.46 m) |
| Ground Clearance | 1.70 ft (0.52 m) |
| Overall Height | 11.50 ft (3.51 m) |
| Overall Length | 33.20 ft (10.12 m) |
| Wheelbase | 16.30 ft (4.97 m) |
| Capacity - Heaped | 21.80 cu yd (16.67 cu m) |
| Capacity - Struck | 16.90 cu yd (12.92 cu m) |
| Dump Angle | 70 degrees |
| Raise Time | 12 seconds |
| Rated Payload | 60,186.30 lbs (27,300.08 kg) |
| Aspiration | Turbocharged |
| Displacement | 673.80 cu in (11,041.63 cu cm) |
| Engine Model | SAA6D125E-3 |
| Gross Power | 335.30 hp (250.04 kw) |
| Max Torque | 1,180.10 lbs ft (1,599.98 nm) |
| Net Power | 324.60 hp (242.06 kw) |
| Number of Cylinders | 6 |
| Engine Oil Capacity | 9.30 gal (35.20 l) |
| Fuel Capacity | 101.00 gal (382.29 l) |
| Hydraulic System Fluid Capacity | 31.80 gal (120.36 l) |
| Tire Size | 23.5R25 |
| Transmission Fluid Capacity | 20.50 gal (77.59 l) |
| Max Speed | 36.70 mph (59.06 kph) |
| Number of Forward Gears | 6 |
| Number of Reverse Gears | 2 |
| Transmission Type | full-automatic |
| Center Axle - empty | 11,012.10 lbs (4,995.01 kg) |
| Center Axle - loaded | 39,254.20 lbs (17,805.43 kg) |
| Front Axle - empty | 28,175.10 lbs (12,780.03 kg) |
| Front Axle - loaded | 32,766.80 lbs (14,862.79 kg) |
| Rear Axle - empty | 10,416.90 lbs (4,725.03 kg) |
| Rear Axle - loaded | 37,934.70 lbs (17,206.91 kg) |
| Total Empty | 49,604.10 lbs (22,500.07 kg) |
| Total Loaded | 109,955.60 lbs (49,875.08 kg) |