1990-1998 KOMATSU WA420-3 WHEEL LOADERS

Technical Description

The Komatsu WA420-3 is a robust wheel loader engineered for heavy-duty material handling in construction and mining environments. It features a 6-cylinder S6D108 engine delivering 217.3 hp (162 kW) at 2,200 rpm, providing reliable power and fuel efficiency. The loader has a bucket capacity of 4.2 cu yds (3 m³) struck and 4.9 cu yds (3.7 m³) heaped, with a bucket width of 10.1 ft (3.05 m) for efficient loading and material retention. Breakout force reaches 40,800 lbs (18,507 kg), ensuring strong digging and lifting performance. The machine measures 26.8 ft (8.17 m) in length with the bucket on the ground, 9.3 ft (2.83 m) in width over tires, and 11.1 ft (3.38 m) in height to the top of the cab. Ground clearance is 1.6 ft (0.49 m), and the wheelbase spans 10.9 ft (3.32 m), contributing to stability and maneuverability. The operating weight is 40,168.3 lbs (18,220 kg), with a static tipping weight of 29,575.1 lbs (13,415 kg). It is equipped with a 4-speed fully automatic transmission, offering forward speeds up to 20.4 mph (32.8 kph) and reverse speeds up to 21.1 mph (34 kph). The WA420-3 uses 23.5-25-16PR tires and has a turning radius of 21.8 ft (6.64 m). Fuel capacity is 84.6 gal (318 L), supporting extended operation. This model combines durability, operator comfort, and high productivity for demanding loading tasks.