The Komatsu HM400-5 is a rigid dump truck manufactured by Komatsu Ltd., a Japanese multinational construction equipment company. The HM400-5 is part of Komatsu’s lineup of off-highway trucks and is designed for use in mining, quarrying, and large-scale construction projects. Here are some key features and specifications of the Komatsu HM400-5:
Engine: The HM400-5 is equipped with a Komatsu SAA6D140E-7 engine, which is a 6-cylinder, turbocharged, aftercooled diesel engine. It has a displacement of 15.24 liters (929 cubic inches) and meets the emissions standards set by the Environmental Protection Agency (EPA) Tier 4 Final.
Power and Performance: The engine in the HM400-5 produces a net horsepower of 469 HP (350 kW) at 2,000 rpm. The truck has a maximum gross vehicle weight of 76,739 kg (169,300 lbs) and a payload capacity of 40,000 kg (88,185 lbs). It can achieve a top speed of 56 km/h (35 mph) on flat terrain.
Dump Body: The HM400-5 features a high-strength steel dump body with a capacity of 24.4 cubic meters (31.9 cubic yards). The body is designed for durability and efficient material ejection, with a shape that promotes easy discharge of the load.
Automatic Retarder: The truck is equipped with an automatic retarder system that provides controlled downhill travel, enhancing safety and reducing wear on the service brakes. The retarder helps in maintaining a safe speed while descending slopes.
Suspension and Tires: The HM400-5 has a fully hydraulic, independent front suspension and a rigid rear suspension. It employs a six-wheel drive system to ensure optimal traction in challenging terrain. The truck is fitted with large, low-pressure tires designed to minimize ground pressure and maximize stability.
Operator Comfort and Safety: The cab of the HM400-5 is designed with operator comfort and safety in mind. It features a spacious, ergonomic layout with excellent visibility, low noise levels, and adjustable air suspension seats. The cab is equipped with a heating and air conditioning system for enhanced comfort during operation.
Advanced Technology: The HM400-5 incorporates various advanced technologies to improve efficiency and productivity. It includes features like Komatsu’s Autonomous Haulage System (AHS) compatibility, which enables autonomous operation when integrated with the appropriate infrastructure and control systems.
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