The John Deere 544A Wheel Loader is a robust mid-size loader designed for demanding construction and material handling tasks. It features a naturally aspirated 329 cu in diesel engine delivering 104 hp (78 kW) gross power at 2,500 rpm and 94 hp (70 kW) net power, with peak torque at 1,300 rpm. The loader is equipped with a 4-speed powershift transmission, providing smooth gear changes and efficient operation, with a maximum forward speed of 23 mph (37 kph) and reverse speed of 9.2 mph (14 kph). The hydraulic system uses a variable displacement pump with a flow capacity of 42 gal/min (159 l/min) and a relief valve setting of 2,250 psi, ensuring reliable performance for heavy-duty attachments. The loader’s breakout force reaches 16,105 lbs (7,305 kg), and it offers a bucket capacity of 1.5 cu yds (1 m³) heaped and 1.3 cu yds (1 m³) struck, with a bucket width of 7.4 ft (2 m). Key dimensions include a length with bucket on ground of 19 ft (6 m), a wheelbase of 7.9 ft (2 m), and a height to the top of the cab of 9.8 ft (3 m). The operating weight is 19,335 lbs (8,770 kg), with a static tipping weight of 13,245 lbs (6,008 kg). The loader is equipped with 13-24 / 17.5-25 tires, a 12 V electrical system, and a 40 gal (151 l) fuel tank. Fluid capacities include 7.5 gal (27 l) cooling system, 2.5 gal (8 l) engine oil, 12 gal (45 l) hydraulic system, and 9.8 gal (34 l) transmission fluid.