Technical Description
The John Deere 744K High-Lift Wheel Loader is a robust, heavy-duty machine engineered for demanding material handling applications. It features a 6-cylinder, turbocharged, charge-air-cooled 6090H engine, Tier III certified, delivering 304 hp (227 kW) at 1500 rpm and 1074 lb-ft of torque at 1400 rpm, with a 47% torque rise for responsive performance. The loader is equipped with a countershaft, powershift transmission, offering four forward and three reverse gears, enabling a top speed of 24.9 mph forward and 18.8 mph reverse. Its hydraulic system utilizes two variable displacement, load-sensing axial piston pumps, providing a flow capacity of 136.1 gal/min (515 l/min) and a relief valve setting of 3288 psi, ensuring efficient cycle times: 5.9 seconds to raise, 1.4 seconds to dump, and 2.8 seconds to lower. The 744K boasts a heaped bucket capacity of 5.3 cu yds (4 m³) and a struck capacity of 4.5 cu yds (3 m³), with a bucket width of 10.8 ft (3 m) and a breakout force of 38,433 lbs (17,433 kg). Maximum dump clearance is 11.9 ft (3 m), and the hinge pin reaches 15.8 ft (5 m) at full lift. The loader measures 31.7 ft (9 m) in length, 9.8 ft (3 m) in width, and 11.5 ft (3 m) in height, with a wheelbase of 11.4 ft (3 m) and a turning radius of 20.7 ft (6 m). Standard tire size is 26.5 R 25, and the operating weight is 54,527 lbs (24,733 kg). Fluid capacities include 123.9 gal (466 l) fuel, 42.1 gal (159 l) hydraulic, and 11.9 gal (42 l) cooling system.
