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.
Tier 4-Final upgrades to the Cat 390F and 374F excavators include the Cat ACERT C15 with 472 horsepower in the 374F and the C18 with 524 horsepower in the 390F.
The 323F L excavator has a 161-horsepower C7.1 engine, which gives it 9 percent better fuel efficiency than the E Series predecessor.