The Case 621C is a compact wheel loader powered by a turbocharged 6-cylinder 6T-590 engine producing 130 net horsepower at 2000 rpm, with 413 lb-ft of torque at 1400 rpm and 31% torque rise. It features a 2.4 cubic yard heaped bucket with a 25,100 lb breakout force and 9.6 ft dump clearance at maximum raise. The loader measures 22.3 ft long with bucket on ground, 8 ft wide over tires, and 10.7 ft high to cab top, with a 17.1 ft turning radius and 1.4 ft ground clearance. Operating weight is 26,713.5 lbs with a static tipping weight of 20,697 lbs. The dual vane-type tandem hydraulic system delivers 18.6 gpm at 2250 psi relief setting, with raise/lower/dump times of 5.4/5/1.5 seconds respectively. The transmission offers 4 forward and 3 reverse gears with proportional electronic control module torque sensing, achieving maximum speeds of 23.3 mph forward and 15.5 mph reverse. Standard equipment includes 20.5-25 L3 tires, 51-gallon fuel capacity, 40.5-gallon hydraulic system capacity, and 24-volt electrical system with 65-amp alternator. The loader's z-bar linkage design and rear-mounted cab provide excellent visibility and maneuverability for material handling and loading applications.