Technical Description
The Doosan DL420-5 wheel loader is a heavy-duty machine engineered for demanding material handling tasks in construction, mining, and industrial environments. Powered by a Scania DC13 6-cylinder Tier 4 diesel engine, it delivers a net power of 345 hp (257 kW) and 1,121.1 lb-ft of torque, ensuring robust performance and fuel efficiency. The loader features a Z-bar lift arm with Z-kinematics, providing a breakout force of 47,209 lbs (21,414 kg) and a rated bucket capacity of 5.5 cu yds (4 m³), ideal for handling tough, compacted materials. Its operating weight is 50,784 lbs (23,036 kg), with a static tipping weight of 40,256.5 lbs (18,260 kg), offering stability and safety during operation. The DL420-5 is equipped with a powershift transmission, delivering smooth gear changes and a maximum forward speed of 22.4 mph (35 km/h). Hydraulic system performance is enhanced with a relief valve pressure of 3,989 psi, a dump time of 1.7 seconds, and a raise time of 6 seconds. The machine’s dimensions include an overall length of 28.7 ft (9 m), a width over tires of 9.8 ft (3 m), and a hinge pin height at maximum raise of 15.6 ft (5 m). Standard features include limited slip differentials, automatic hydraulic differential lock, automatic return-to-dig, and a high-comfort air suspension seat. The DL420-5 also incorporates advanced telematics for monitoring and maintenance management, ensuring optimal uptime and reduced operating costs.