Doosan Infracore Construction Equipment America


Wheel Loader

  • DL550-5
    Doosan Infracore Construction Equipment
  • DL550-5
    Doosan Infracore Construction Equipment

With the highest horsepower, tipping capacity and breakout force in the Doosan wheel loader lineup, the DL550-5 is a heavy-duty performer that is agile and smooth despite its size.

Designed for the largest material handling applications, the DL550-5 is ideal for work in quarries, mines, demolition and industrial operations.

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Features & Benefits

  • Productivity
    Through reduced cycle times and increased uptime, you'll improve your bottom line. It's powered by a diesel engine that delivers power or economy modes to match your job requirements.

    Performance features on the DL550-5 include a powershift transmission with, optimized hydraulic pumps, Z-bar lift arm, return to dig, limited slip rear differential, and hydraulic locking front differential.

  • Cooling system
    An efficient cooling system features an all-aluminum reversible fan, rubber mounts that reduce vibration, and optional an axle cooler that prevents the oil temperature from rising to dangerously high levels.

  • Comfort
    You'll remain comfortable with automatic air conditioning, an improved steering column, and ergonomically placed FnR joystick controls.

  • Controllability
    The air suspension seat features a right-hand control stand that’s integrated into the seat assembly for increase controllability.

  • Tier 4 emission standards
    The DL550-5 incorporates a high-pressure common-rail (HPCR) fuel delivery system as well as cooled exhaust gas recirculation (CEGR) combined with a diesel oxidation catalyst (DOC) and selective catalyst reduction (SCR).


Key Specifications
Rated Horse Power (Net) 379.5 hp @ 1,800 rpm (283 kW)
Operating Weight 69,887 lb (31.7 t)
Bucket Capacity 7.46 yd³ (5.7 m³)
Breakout Force 247 kN