Technical Description
The Case 621D XT Wheel Loader features a turbocharged, aftercooled 6-cylinder 668TA/M2 engine with a displacement of 409 cubic inches, delivering a gross power of 148 hp and a net power of 136 hp at 2000 rpm. It achieves a torque rise of 33%, with peak torque at 1200 rpm. The loader's breakout force is robust at 26,739 lbs, with a struck bucket capacity of 2.5 cubic yards. Dimensions include a ground clearance of 1.6 ft, a height to the top of the cab of 10.9 ft, a hinge pin max height of 13 ft, and a reach at max lift and dump of 3.8 ft. The total length with the bucket on the ground is 23.4 ft, width over tires is 7.9 ft, and wheelbase is 9.6 ft. It weighs 27,877 lbs in operating weight with a static tipping weight of 20,318 lbs. The hydraulic system features a closed-centered variable displacement pump with a capacity of 45.2 gallons per minute, operating at 3,625 psi relief valve setting, with dump, lower, and raise times of 1.7, 4.4, and 5.4 seconds, respectively. Fuel capacity is 50 gallons, with hydraulic fluid capacity of 30 gallons. It runs on a 24V operating voltage and is equipped with a 70-amp alternator. Transmission includes four forward and three reverse gears, with a max forward speed of 24 mph and max reverse speed of 15.6 mph. The rear axle oscillates 24°, and tire size is 20.5x25. The loader has a turning radius of 17 ft. This combination of power, capacity, and agility makes the Case 621D XT well-suited for heavy-duty construction tasks.