1987 - 1989 CATERPILLAR 986K WHEEL LOADER

Technical Description

The Caterpillar 986K Wheel Loader is a high-performance machine designed for heavy-duty material handling with a rated bucket capacity ranging from 6.5 to 13.5 cubic yards (5 to 10 m³). Powered by a robust Cat C15 ACERT engine, it delivers a net power of 373 hp (278 kW) and a gross power of 449 hp (335 kW), with a displacement of 927 cubic inches (15.2 L), a bore of 5.4 in (137 mm), and stroke of 6.75 in (171.5 mm). The 16% torque rise ensures consistent performance under variable loads, and the engine meets stringent emissions standards including U.S. EPA Tier 4 Final and EU Stage V. This loader has an operating weight of approximately 98,806 lbs (44,818 kg) for the standard model and up to 105,023 lbs (47,638 kg) in the high-lift configuration, which features a dump clearance height of up to 11.6 ft (3.54 m). Hydraulic controls utilize a load-sense system with two 110 cc variable displacement pumps, providing a hydraulic flow of 123 gallons per minute (466 L/min), operating at a relief valve setting of 4050 psi to ensure efficient lift and tilt functions. The transmission is a Cat Planetary Power Shift, offering multiple forward and reverse gears with speeds up to 24 mph (39 kph) forward and 16 mph (26 kph) reverse. The wheel loader features fixed front and trunnion rear axles with 12.5° front axle oscillation, ISO 3450:2011 compliant braking, and sound levels of 110–112 dB(A) for the machine. Service capacities include a 141-gallon fuel tank, 34-gallon hydraulic tank, and 26 gallons of coolant, supporting long operation cycles with ease. This loader is ideal for demanding applications in quarry, mining, and heavy construction environments.