Technical Description
The CASE 521G is a full-size wheel loader engineered for demanding construction, utility, municipal, and agricultural applications. Powered by a Tier 4 Final-compliant FPT F4HFE413NB 4-cylinder engine, it delivers 142 hp (106 kW) gross and 129 hp (96 kW) net, with peak torque of 448.5 lb-ft and a 21% torque rise for responsive performance. The loader features a Z-Bar linkage, 2.3 cu yd (2 m³) rated bucket capacity, and a breakout force of 19,356 lbs (8,780 kg), ensuring efficient material handling. Hydraulic cycle times are rapid at 10.5 seconds unloaded, with a piston pump providing 35.4 gal/min (132 l/min) flow and a maximum system pressure of 3,625 psi. The 4-wheel drive drivetrain includes a powershift transmission with 4 forward and 3 reverse gears, selectable autoshift/manual modes, and limited slip differentials for both axles. Wet multi-disc service brakes and a spring-applied hydraulic release parking brake ensure reliable stopping power. The loader’s articulated steering provides a 16.5 ft (5 m) turning radius, while the 9.1 ft (3 m) wheelbase and 8.1 ft (2 m) width over tires enhance maneuverability. Standard features include a ROPS cab with climate control, electro-hydraulic joystick controls, and advanced operator comfort. With an operating weight of 24,290 lbs (11,018 kg), 22.4 mph (35 km/h) top speed, and a 50 gal (189 l) fuel tank, the 521G delivers robust performance, durability, and versatility for a wide range of heavy-duty tasks.
