Technical Description
The Komatsu WA420-3 Active+ is a high-performance wheel loader engineered for heavy-duty material handling in construction, quarry, and mining environments. It features a robust 6-cylinder SAA 6D114 E-1 turbocharged engine delivering 220 hp (164 kW) at 2,200 rpm and peak torque at 1,300 rpm, ensuring reliable power and fuel efficiency. The loader is equipped with a fully automatic 4-speed full powershift transmission, including 'kickdown' and 'gear-hold' functions for optimized control and productivity. Its hydraulic system provides rapid cycle times, with a dump time of 1.5 seconds, a raise time of 6.7 seconds, and a pump flow capacity of 86.7 gal/min (326 l/min), supporting efficient loading and dumping operations. The WA420-3 Active+ has a heaped bucket capacity of 4.8 cu yds (3 m³), a breakout force of 41,072.6 lbs (18,630 kg), and a bucket width of 9.9 ft (3 m), enabling it to handle large volumes of material with ease. The machine measures 26.4 ft (8 m) in length with the bucket on the ground, 11.4 ft (3 m) in height to the top of the cab, and 9.5 ft (3 m) in width over tires, with a wheelbase of 10.9 ft (3 m) and a ground clearance of 1.6 ft (0.5 m). It has a turning radius of 19.9 ft (6 m) and rear axle oscillation of 26° for excellent maneuverability. The operating weight is 44,357.1 lbs (20,120 kg), and it is fitted with 26.5 R 25 tires. The loader also features a 24 V electrical system, a 50 A alternator, and generous fluid capacities for engine oil, hydraulic system, transmission, and cooling.
