Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200
Introducing the Komatsu HM300-5 Off-Highway Truck, a powerful and reliable machine designed for heavy-duty hauling in demanding work environments. With its robust construction and impressive capabilities, this articulated truck boasts a dump capacity of up to 22.4 cubic yards and a rated payload of 56,000.1 pounds. Equipped with a Komatsu engine delivering 332.6 horsepower, the HM300-5 ensures efficient performance while maintaining fuel efficiency. Explore its dimensions, drive system features, operating specifications, and weights to discover how this Off-Highway Truck can enhance your construction or mining operations.
Articulated/Rigid | A Starting 2023 Model Year |
Drive Configuration | 6WD Starting 2024 Model Year |
Drive System Mech/Electr. | M Starting 2024 Model Year |
Engine Type | Komatsu SAA6D125E-7 Starting 2024 Model Year |
Mfg. Model | HM300-5 Starting 2024 Model Year |
Operating Weight Pounds (Kgs) | 117,881 (53,470) Starting 2017 Model Year |
Rated Payload Tons (Metric Tons) | 30.9+E6 (28) Starting 2021 Model Year |
Articulating/Rigid | Articulated |
Dump Ground Clearance | 2 ft (1 m) |
Dump Height | 21 ft (6 m) |
Ground Clearance | 2 ft (1 m) |
Overall Height | 12 ft (4 m) |
Overall Length | 34 ft (10 m) |
Overall Width | 10 ft (3 m) |
Wheelbase | 14 ft (4 m) |
Drive Config | 6WD |
Capacity - Heaped | 22 cu yd (17 cu m) |
Capacity - Struck | 18 cu yd (13 cu m) |
Rated Payload | 56,000 lbs (25,401 kg) |
Bore | 5 in (13 cm) |
Displacement | 674 cu in (11,042 cu cm) |
Engine Model | SAA6D125E-7 |
Gross Power | 333 hp (248 kw) |
Make | Komatsu |
Max Torque | 1 lbs ft (2 nm) |
Net Power | 325 hp (242 kw) |
Number of Cylinders | 6 |
Power Measured @ | 2000 rpm |
Stroke | 6 in (15 cm) |
Engine Oil Capacity | 9 gal (35 l) |
Fuel Capacity | 103 gal (388 l) |
Hydraulic System Fluid Capacity | 27 gal (103 l) |
Tire Size | 23.5 R25 |
Transmission Fluid Capacity | 26 gal (98 l) |
Max Speed | 37 mph (59 kph) |
Number of Forward Gears | 6 |
Number of Reverse Gears | 6 |
Transmission Type | Full-automatic Counter-shaft type |
Center Axle - empty | 23 lbs (10 kg) |
Center Axle - loaded | 36 lbs (16 kg) |
Front Axle - loaded | 31 lbs (14 kg) |
Operating Weight | 117,881 lbs (53,470 kg) |
Rear Axle - empty | 19 lbs (8 kg) |
Rear Axle - loaded | 33 lbs (15 kg) |
Total Empty | 56 lbs (25 kg) |
Total Loaded | 118 lbs (53 kg) |