CASE 921B WHEEL LOADER

Technical Description

The Case 921B is a robust wheel loader designed for heavy-duty operations with a breakout force of 50,275 lbs (22,805 kg). It features a large bucket capacity of 4.8 cubic yards (3 cubic meters) heaped and 3.9 cubic yards (2 cubic meters) struck, with a bucket width of 10 ft (3 m). The machine offers a dump clearance at max raise of 10.4 ft (3 m), suitable for efficient material handling. It measures 11.9 ft (3 m) in height to the top of the cab, a wheelbase of 11.2 ft (3 m), and a width over tires of approximately 9.7 ft (3 m), with a ground clearance of 17.5 ft (5 m). Powered by a Cummins M11 engine, it delivers a gross power of 270 hp (201 kW) and a net power of 248 hp (185 kW) from a 6-cylinder, 661.1 cubic inch displacement engine, optimized at 2100 rpm. The engine has a bore and stroke of 5 in (13 cm) and 5.8 in (13 cm), respectively, and produces peak torque at 1300 rpm. Hydraulically, the loader features efficient cycle times with a dump time of 1.5 seconds, lower time of 4.9 seconds, and raise time of 6.2 seconds. It includes a 24V electrical system with a 70A alternator, fuel capacity of 104 gallons (394 liters), and significant hydraulic fluid capacity of 60.3 gallons (227 liters). The power-shift transmission offers four forward and three reverse gears with a maximum forward speed of 25.2 mph (40 kph) and reverse speed of 18 mph (29 kph). Tires are size 26.5 x 25 L3 20PR, supporting stability and traction under load. Fluid capacities include 9 gallons (34 liters) for engine oil and 11.5 gallons (42 liters) for transmission fluid, emphasizing its suitability for demanding construction environments.