The JCB 412S is a robust wheel loader engineered for demanding material handling tasks. It features a 4-cylinder, turbocharged 444 engine delivering 147.6 hp (110 kW) net power at 2200 rpm and 320.2 lb-ft of torque at 1400 rpm, providing reliable performance across various applications. The loader has a heaped bucket capacity of 1.4 cu yds (1 m³) and a struck capacity of 1.1 cu yds (1 m³), with a bucket width of 7.5 ft (2 m) and a breakout force of 12,971.5 lbs (5,884 kg). Maximum dump clearance reaches 11.3 ft (3 m), while the hinge pin max height is 12 ft (4 m). The machine measures 20.2 ft (6 m) in length with bucket on ground and 7.5 ft (2 m) in width over tires, with a wheelbase of 8.9 ft (2 m). The hydraulic system utilizes twin gear pumps, offering a flow capacity of 103.1 gal/min (390 l/min), with a relief valve setting of 3190 psi, and achieves a dump time of 1.4 seconds and a raise time of 4.6 seconds. Operating weight is 18,038.3 lbs (8,182 kg), with a static tipping load of 8,754.6 lbs (3,971 kg). The smooth shift powershift transmission provides 6 forward and 3 reverse gears, with a maximum forward speed of 22.5 mph (35 kph) and reverse speed of 16 mph (26 kph). Fluid capacities include 33.1 gal (125 l) fuel, 29.1 gal (110 l) hydraulic, and 6.7 gal (23 l) for each axle.