The John Deere 624K Z-Bar Wheel Loader is a robust mid-size loader engineered for demanding material handling tasks. It features a Z-bar linkage for high breakout force and efficient bucket performance, delivering a maximum breakout force of 28,484 lbs (12,920 kg) and a rated bucket capacity of 3.5 cu yds (2 m). The loader’s bucket width is 8.9 ft (2 m), with a dump clearance of 9.4 ft (3 m) at maximum raise and a reach of 3.4 ft (1 m) at full lift and dump. Its dimensions include a length with bucket on ground of 25.5 ft (8 m), a height to the top of the cab of 10.9 ft (3 m), and a width over tires of 8.8 ft (2 m), with a ground clearance of 1.3 ft (0 m). The machine is powered by a John Deere 6068H, Tier III certified, 6-cylinder, turbocharged charge air cooled engine with a displacement of 414 cu in (7 L), producing 198 hp (148 kW) at 1,800 rpm and 55% torque rise. The hydraulic system utilizes a variable displacement, axial piston pump with a flow capacity of 59 gal/min (223 L/min), relief valve setting of 3675 psi, and cycle times of 5.9 sec (raise), 2.7 sec (lower), and 1.3 sec (dump). The loader has a countershaft, powershift transmission with four forward and three reverse gears, a maximum forward speed of 24.6 mph (39 kph), and a reverse speed of 16 mph (26 kph). The operating weight is 33,477 lbs (15,185 kg), with a static tipping weight of 30,692.8 lbs (13,922 kg). Fluid capacities include 93 gal (352 L) fuel, 29.1 gal (110 L) hydraulic, 7.2 gal (27 L) cooling, 5.1 gal (19 L) engine oil, 5.9 gal (19 L) front axle/diff, 4.5 gal (15 L) rear axle/diff, and 5.6 gal (19 L) transmission. The loader is equipped with 20.5 R 25 tires and a 24 V electrical system, with a turning radius of 17.3 ft (5 m) and rear axle oscillation of 24°.