Technical Description
The John Deere 544 Wheel Loader is a mid-size loader designed for high productivity and versatility in demanding applications. It features a Cat C4.4 ACERT engine with natural aspiration, delivering 125 hp (93 kW) gross power and 94 hp (70 kW) net power, ensuring reliable performance. The loader is equipped with a Powershift transmission, offering four forward and two reverse gears, with a maximum forward speed of 10.7 mph (16 km/h) and reverse speed of 2.8 mph (3 km/h). The hydraulic system utilizes a vane pump with a flow capacity of 45.5 gal/min (170 l/min), enabling fast cycle times: 5.5 seconds to raise, 1.2 seconds to lower, and 1.5 seconds to dump. The loader has a 1.5 cu yd (1 m³) heaped bucket capacity, 25,000 lbs (11,340 kg) breakout force, and a dump clearance of 8.9 ft (2 m) at maximum raise. Key dimensions include a 19.5 ft (6 m) length with bucket on ground, 7.4 ft (2 m) width over tires, 9.8 ft (3 m) height to the top of the cab, and a 7.9 ft (2 m) wheelbase. The operating weight ranges up to 27,000 lbs (12,247 kg), with a static tipping weight of 12,500 lbs (5,670 kg). Standard features include a 13-24 tire size, 13.9 ft (4 m) turning radius, and a rear axle oscillation of 22°. Service refill capacities include 40 gal (151 l) fuel, 10 gal (38 l) engine oil, 12 gal (45 l) hydraulic fluid, and 9.8 gal (34 l) transmission fluid.
