CATERPILLAR 992D WHEEL LOADER

Technical Description

The Caterpillar 992D is a large, heavy-duty wheel loader designed for demanding mining and heavy construction operations. It features a powerful turbocharged Caterpillar 3412 engine delivering a gross power of 735 hp (548 kW) and net power of 690 hp (515 kW) at 2200 rpm. The machine’s operating weight is approximately 196,560 lbs (89,159 kg), with a wheelbase of 15.9 ft (5 m) and a total length with bucket on the ground of 43.2 ft (13 m). The loader is equipped with a 14 cubic yard (11 m³) heaped capacity bucket, having a width of 15.6 ft (5 m), and provides a breakout force of 146,711 lbs (66,548 kg). Its hydraulic system includes a closed pressure-controlled pump with a flow capacity of 474 gal/min (1,794 l/min), enabling a raise time of 11.4 seconds, dump time of 3.4 seconds, and lower time of 3.7 seconds. The relief valve is set at 3,250 psi. The bucket’s maximum dump clearance is 13.7 ft (4 m), with a maximum hinge pin height of 20.6 ft (6 m), and a reach at max lift and dump of 7.6 ft (2 m). The transmission is a planetary electric shift power shift type with three forward and three reverse gears, allowing a top speed of 13.1 mph (21 kph) forward and 14.3 mph (23 kph) reverse. The wheel loader operates on a 24V electrical system with a 75A alternator and features large tires sized 45/65-45, 38PR L5 to support heavy loads and rough terrain. Fuel capacity is 300.1 gallons (1,136 liters), with extensive fluid capacities for cooling, engine oil, transmission, axles, and hydraulic systems to support prolonged operation.