Used for loading excavated earth and rocks, ranging from small wheel loaders for civil engineering to super-large ones for mining. Mini wheel loaders are used in a wide range of purposes including livestock farming and snow removal.
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With conventional DC drives, a diesel-driven AC generator supplies power, converted back to DC via silicon-controlled rectifiers, to drive the wheel motors. The SR drive utilises a DC bus system coming off the SR generator.
CATERPILLAR says medium wheel loaders have been the Foundation of its wheel loader range for 50 Years, with the first unit driven off the assembly line in 1959.
Komatsu America Corp.’s GD655-5 motorgrader is powered by an EPA Tier III emission certified Komatsu SAA6D107E-1 engine. With an increased maximum horsepower of 218 (162.5 kW) and an increased standard configuration weight of 35,351 lbs. (16,035 kg), the GD655-5 is entering the largest grader segment in North America.