Doosan has introduced its first Tier 4-compliant wheel loaders - DL300-5, DL350-5, DL420-5, and DL550-5.

The series of wheel loaders has a horsepower range of 271 hp in the DL 300-5 to 379 hp in the DL550-5.

The series offers improvements in fuel efficiency, operator comfort, serviceability, reliability, and remote monitoring with Doosan Telematics, according to the company. All models have more cab space for users and a new fuel consumption gauge informing operators how much fuel the machine is using in real time. There is also an auto-shutdown system to help reduce fuel consumption when the machines are idling.

Each one of the newer models has an economy, standard, and power mode to choose from.

The five new wheel loader models will replace the previous interim Tier 4 models.

QuickLook: Doosan DL300-5 wheel loader

  • Horsepower: 270 hp
  • Operating weight: 41,844 lb.
  • Bucket capacity: 4.2 cu. yd.
  • Dump height: 9 ft. 4 in.
  • Breakout force: 37,768 pounds lbf.
  • Available in high-lift configuration

QuickLook: Doosan DL350-5 wheel loader

  • Horsepower: 271 hp
  • Operating weight: 43,541 lb.
  • Bucket capacity: 4.8 cu. yd.
  • Dump height: 9 ft. 7 in.
  • Breakout force: 36,869 pounds lbf.
  • Available in high-lift configuration

QuickLook: Doosan DL420-5 wheel loader

  • Horsepower: 345 hp
  • Operating weight: 50,784 lb.
  • Bucket capacity: 5.5 cu. yd.
  • Dump height: 10 ft. 1 in.
  • Breakout force: 47,210 pounds lbf.
  • Available in high-lift configuration

QuickLook: Doosan DL450-5 wheel loader

  • Horsepower: 345 hp
  • Operating weight: 56,868 lb.
  • Bucket capacity: 6.3 cu. yd.
  • Dump height: 10 ft. 8 in.
  • Breakout force: 51,930 pounds lbf.
  • Available in high-lift configuration

QuickLook: Doosan DL550-5 wheel loader

  • Horsepower: 380 hp
  • Operating weight: 69,897 lb.
  • Bucket capacity: 7.5 cu. yd.
  • Dump height: 11 ft. 2 in.
  • Breakout force: 55,303 pounds lbf.
  • Available in high-lift configuration
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