DX350LC excavator has a 281-horsepower Tier 4-Interim engine using cooled EGR, DOC and DPF.
DX350LC excavator has a 281-horsepower Tier 4-Interim engine using cooled EGR, DOC and DPF. Cooling system has been upgraded to include two variable-speed hydraulic fans and provides, on average, 10 to 15 percent more cooling capacity, according to Doosan. Swing torque has been increased by 8 to 11 percent. Digging force has increased approximately 5 percent. Lifting capacity increased by approximately 2 percent, and boom-up speed improved by approximately 6 percent.
See our Field Test below.
Two production-class crawler excavators, the R480LC-9A and R520LC-9A, use the Cummins Tier 4-Interim QSX11.9 engine
Powered by a Tier 4-Final-compliant Volvo D13 engine, the Volvo EC480E crawler excavator, with a maximum operating weight 117,510 pounds, features four work modes