The Case 921C Wheel Loader is a robust, heavy-duty machine designed for demanding construction and material handling applications. It features a Cummins QSMII turbocharged, air-to-air cooled engine with a displacement of 661 cu in, delivering 270 hp (201 kW) at 2100 rpm and 248 hp (185 kW) net power, with a 41% torque rise for enhanced performance. The loader is equipped with a 4F/3R proportional transmission with electronic control module, offering autoshift and manual shift options, and a maximum forward speed of 24.1 mph (39 kph). The hydraulic system utilizes dual vane-type tandem pumps, providing a flow capacity of 38 gal/min (144 l/min) and a relief valve setting of 2850 psi, ensuring efficient operation. The bucket has a heaped capacity of 4.8 cu yds (3 m³) and a struck capacity of 3.9 cu yds (2 m³), with a width of 10.1 ft (3 m) and a breakout force of 50,275 lbs (22,805 kg). The loader’s dimensions include a length with bucket on ground of 28.1 ft (9 m), a wheelbase of 11.2 ft (3 m), and a maximum hinge pin height of 14.1 ft (4 m). The operating weight is 50,621 lbs (22,962 kg), and it is fitted with 26.5x25 L3 tires. The machine offers a turning radius of 20.2 ft (6 m) and rear axle oscillation of 24°, providing excellent maneuverability and stability. The hydraulic system dump, raise, and lower times are 1.5 sec, 6.2 sec, and 4.9 sec, respectively. The Case 921C is a reliable, high-performance wheel loader built for productivity and durability in tough working environments.