1994-2023 JOHN DEERE 544K II WHEEL LOADER

Technical Description

The John Deere 544K-II is a mid-size utility wheel loader engineered for high performance and efficiency in demanding applications. Powered by a John Deere PowerTech PVS 6068 Tier 4 engine, it delivers 163 hp (122 kW) at 1,800 rpm and 503.8 lb-ft of torque, ensuring robust power and fuel economy. The loader features a standard five-speed powershift transmission with a lockup torque converter for smooth gear changes and optimized acceleration. With a maximum operating weight of 29,138.5 lbs (13,217 kg) and a rated bucket capacity of 3.0 cu yds (2.3 m³), it offers strong breakout force of 22,300 lbs (10,115 kg) for heavy-duty loading tasks. The hydraulic system provides a flow rate of 50 gal/min (189 l/min) and a system pressure of 251.7 psi, supporting fast cycle times and responsive loader operation. Standard Z-bar linkage delivers a maximum dump clearance of 9.1 ft (2.76 m), while an optional high-lift configuration increases reach and dump height. The loader’s turning circle is 40.2 ft (12 m), and it features a 20.5 R25 tire size for stability and traction. Service brakes are wet disc, with inboard axle location, and the front differential is locking for improved grip. The hydraulic tank holds 31.4 gal (117 l), and the fuel tank capacity is 78.8 gal (295 l). The 544K-II is equipped with a 24V electrical system and a 100A alternator, supporting reliable operation in diverse environments.