JCB 457 HT WHEEL LOADER

Technical Description

The JCB 457 HT is a high-performance wheel loader engineered for demanding loading and material handling tasks. Powered by an MTU 6R1000 7.7-litre, 6-cylinder turbocharged diesel engine, it delivers 258 hp (192 kW) gross power and 256 hp (191 kW) net power at 1600 rpm, with 1150 Nm of torque for responsive operation. The engine meets Tier 4 Final/EU Stage IV emission standards, featuring an integrated pre-cleaner and scavenged air system. The loader is equipped with a 4-speed non-lock-up ZF 4WG210 transmission, providing four forward and three reverse gears, with a maximum forward speed of 22.5 mph (35 km/h). Hydraulic efficiency is maximized by a variable displacement pump, circulating up to 40.5 gal/min (151 l/min), enabling rapid cycle times: dump time is 1.2 seconds, raise time 5.8 seconds, and total cycle time 11.1 seconds. The hydraulic system operates at 220 bar (3190 psi), with a relief valve setting of 3190 psi. The loader offers a bucket capacity of 4.1 cu yds (3 m³) heaped and 3.3 cu yds (2 m³) struck, with a bucket width of 9.4 ft (3 m). Maximum hinge pin height is 14.2 ft (4 m), and dump clearance at max raise is 9.6 ft (3 m). The operating weight is 45,269.8 lbs (20,534 kg), with a full turn tipping load of 29,625.8 lbs (13,438 kg). The machine features a turning radius of 21.8 ft (6 m), wheelbase of 10.9 ft (3 m), and width over tires of 8.9 ft (2 m). The cab provides excellent visibility and operator comfort, with a 24V electrical system and 100A alternator.