Komatsu Dump Trucks HM300-2, HM350-1, 830E, HD320, HD325-3, D465-7R, HD785-7 owner’s, operators, service and maintenance manuals, error codes list, DTC, spare parts manuals & catalogues, wiring diagrams, schematics free download PDF
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Komatsu HM300 Operator’s Manual PDF
The machines of the Japanese company are known throughout the construction world due to the low level of environmental pollution and very high performance. The Komatsu HM300 – 1 dump truck from KOMATSU was no exception because it pleased its customers with performance and high travel speed. As a result, this model can be applied to many jobs, from landfill operations to standard construction site jobs.
Main technical characteristics of Komatsu HM300
- Engine: 4-stroke water-cooled engine – KOMATSU SAA6D125E – 3, 6-cylinder, with a displacement of 11.04 liters, 335 horsepower, air-cooled and turbocharged.
- Maximum travel speed: 60 kilometers per hour.
- Turning radius: 7 meters 96 centimeters.
- Fuel tank volume: 382 liters.
- The gross weight of the machine: 50 tons 900 kilograms.
- Weight of the empty machine: 23 tons 600 kilograms.
- Maximum payload: 27 tons.
- Capacity: 17 cubic meters.
- Engine oil tank capacity: 35 liters.
- Coolant tank volume: 77.5 liters.
- Gearbox: fully automatic.
- Unloading pressure: 20.6 MPa.
- Power at the flywheel: 324 horsepower.
- Frame: articulated, box-shaped.
- Construction material: high-strength steel.
The main feature of this type of dump truck is that the Japanese company KOMATSU stated at the time of its release that this model provides a unique solution to the problems of environmental protection, thanks to the new engine. However, not every road construction equipment has such a feature, so the HM300-1 dump truck is considered a unique model.
Komatsu HD830E Service Manual PDF
The Komatsu HD830E mining two-axle rigid dump truck is designed to transport bulk cargo. Suitable for operation on maintained intra-quarry roads. The dump truck is equipped with an electromechanical transmission, rear drive wheels, McPherson front suspension, and a rear dump body. The operating temperature of the HD830E is in the range from -40C° to +30C°.
Main technical characteristics of Komatsu HD830E:
- Maximum dump truck weight: 386 t
- Maximum engine power: 2500 hp.
- Body volume: 147 m3
- Load capacity: 221.6 t
- Board height: 6.7 m
- Tires: 40.00 R57x 6
The dump truck must be used with loaders with a bucket from 22 m3 to 42 m3. For example, the Komatsu PC5500 excavator or Komatsu WA1200 High Lift loaders are suitable.
Like all Komatsu equipment, it was created taking into account the main principle of the Japanese company: “Quality and reliability”. Thanks to successful design solutions, the model is one of the most high-performance in its class. In addition, particular attention is paid to operator comfort and ease of maintenance.
Komatsu HD785 Maintenance Manual PDF
The Komatsu HD785 is a massive haul truck built for moving large quantities of rock and other bulk materials for building and infrastructure projects. Even in the worst of weather and road conditions. You may load up to 91 tons onto this machine.
The dump truck can travel up to 65 kilometers per hour thanks to its high-powered Komatsu SAA12V140E-3 engine, which generates a net of 879 kW (1196 hp). With its large frame (heaped capacity of 60 cubic meters), enhanced performance, and high production levels, all at comparatively cheap running costs, this vehicle is a steal. In addition, this dump truck has enhanced energy economy and uses reasonable amounts of diesel fuel compared to other vehicles in its class.
The VHPC system allows for the administration of the vehicle’s operating modes; the vehicle’s interior boasts greater comfort; there are two reverse gears; the body is spacious; the vehicle has a fairly short turning radius.
All of the Komatsu HD785’s components are mounted on a box-section chassis with an integrated front bumper fabricated from specialized high-strength steel grades.
The truck’s independent suspension, which uses pneumohydraulic cylinders and has fixed throttles, dampens noise and vibrations. The dump truck’s Komatsu HD785 model has a 1308-liter fuel tank, completely hydraulic steering with double-acting cylinders, and multi-disc devices on all wheels (“in a circle” – oil cooled and hydraulic drive).
To further lessen the machine’s ecological footprint, the Komatsu HD785-7 has a lead-free radiator and an EPA-approved Tier 2 Komatsu SAA12V140E-3 engine. A further benefit is that there is less noise both within and outside the cab.
The maximum torque for these trucks is 5080 Nm at 1300 rpm, and their net power is 879 kW / 1196 hp at 1900 rpm (ISO 9249 / SAE J1349).
Water-cooled, turbocharged, intercooler, electronically controlled direct injection, and a gear pump-driven positive lubrication system are just some of the features of this 12-cylinder V-shaped diesel engine’s 30.48-liter capacity. It has a 140 mm bore and a 165 mm stroke.
These engines’ fuel injection and regulator systems are state-of-the-art and electronically regulated for maximum efficiency.