The John Deere 544E TC Wheel Loader is a robust machine designed for heavy-duty material handling, featuring a 120 hp turbocharged John Deere 6359T six-cylinder diesel engine with 359 cu in (5.9 L) displacement and 343 lb-ft of torque at 1500 rpm. It has a power shift transmission with 4 forward and 3 reverse gears, enabling a maximum travel speed of 24.6 mph (39 kph) forward and 17.2 mph (27 kph) in reverse. The loader offers a breakout force of 20,843 lbs (9,454 kg) and bucket capacities of 2.3 cu yds (heaped) and 2.1 cu yds (struck). Its hydraulic system features a gear pump with a flow of 46.3 gal/min and a relief valve set at 2750 psi, achieving cycle times of 1.9 seconds dump, 3.2 seconds lower, and 5.8 seconds raise. Dimensionally, the machine measures 23.3 ft (7 m) in length with the bucket on the ground, width over tires is 7.8 ft (2 m), and height to the top of the cab is 10.4 ft (3 m). It has a wheelbase of 9.6 ft (3 m) and a ground clearance of 1.3 ft (0.4 m). The maximum lift height is 12.5 ft (4 m) with a dump clearance at max lift of 9.3 ft (3 m). The operational weight stands at 24,621 lbs (11,168 kg) with a static tipping load of 16,943 lbs (7,685 kg) for the bucket. Additional features include a 12 V electrical system with a 65 A alternator, a fuel capacity of 55 gallons, and a rear axle oscillation of 22 degrees for enhanced traction and maneuverability on rugged terrain. The loader is equipped with 15.5-25 tires and implements power steering and articulated frame design for precise control, making it suitable for a variety of construction and material handling tasks.