The John Deere 644J Waste Handler High-Lift is a robust wheel loader designed specifically for heavy-duty waste handling applications, featuring a factory-installed high-lift boom that extends lift height by nearly 1.5 feet for enhanced material reach and efficient loading at elevated heights. It is equipped with a powerful 6068H six-cylinder engine delivering 185 hp at 2200 rpm and a torque rise of 55% at 1400 rpm, ensuring strong performance across varied tasks. The bucket capacity is substantial, with a heaped volume of 6 cubic yards and a struck capacity of 5.5 cubic yards, paired with a breakout force of 25,604 lbs for demanding load engagements. The 9.5-foot-wide bucket facilitates maximum productivity in bulky material handling. The loader’s dimensions include a ground clearance of 1.5 ft, a hinge pin maximum height of 15.2 ft, and a length of 26.8 ft with the bucket on the ground. It has a wheelbase of 10.5 ft, width over tires of 9.5 ft, and operates at a turning radius of 18 ft, allowing for maneuverability on confined job sites. Its hydraulic system features a variable axial piston pump with a flow capacity of 68 gal/min and a relief valve setting of 3600 psi, enabling quick bucket dump times of 1.4 seconds and efficient cycle times. The machine operates on a 24 V system and features an automatic powershift transmission with three forward and reverse gears, capable of speeds up to 14.7 mph forward and 15.5 mph reverse. Weighing approximately 49,130 lbs, the 644J WH is engineered for durability with specialized guarding, heavy-duty tires (23.5-25), and high-capacity fluid reservoirs to endure harsh waste handling environments while maintaining operator comfort and productivity.
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