2004-2007 CASE 521F WHEEL LOADER

Technical Description

The CASE 521F is an articulated wheel loader featuring a 4-cylinder FPT F4HFE413NB Tier 4 Final engine delivering 142 hp gross (131 hp net) at 1800 rpm and 448.5 lb-ft max torque. It offers four programmable power modes to optimize performance and fuel efficiency. The machine’s hydraulic system includes a 35.4 gal/min piston pump with articulation steering and fast cycle times, totaling 10.5 seconds unloaded. The 2.2 cu yd heaped bucket provides a breakout force of 20,862 lbs, with a rated bucket capacity of 2.6 cu yds. It achieves a max dump clearance of 8.8 ft and a reach of 4.7 ft at max lift and dump. The wheel loader’s operating weight is approximately 22,855 lbs, with a wheelbase of 9.1 ft, turning radius of 13.2 ft, and width over tires of 8.2 ft. Wet multi-disc service brakes complement a powershift transmission with 4 forward and 3 reverse gears, a maximum forward speed of 22.3 mph, and limited-slip differentials front and rear. The cab height is 10.8 ft, and the hinge pin height reaches 11.9 ft. The loader features a Z-bar linkage with automatic return-to-dig, height control, and bucket position indicator, enhancing productivity and operator control. Fuel capacity is 50 gallons, with 11.2 gallons for DEF and multiple 5.9-gallon fluid reservoirs for cooling and differentials. This loader balances powerful performance, efficient hydraulics, and maneuverability for demanding site operations.