Doosan DL550-7

The Doosan DL550-7 wheel loader is one of the largest wheel loaders we sell. This is a real powerhouse that can do a lot of work. In addition, the new design and cabin contribute to an even higher comfort for the operator.


Fashion model Scania DC13
Regulatory Compliance Stage IV
Amount of cilinders 6
Rated Gross Power at 1800 rpm (SAE J1995) 283 kW (380 hp)
Maximum gross clutch at 1300 rpm 1765 Nm
Idle (Low / Auto / High) 750 - 950 - 2200 [±20] rpm
Displacement 12.7 l
Bore x Stroke Length 130 x 160mm
Starter 24 V / 6 kW
Batteries - alternator 2 x 12 V / 200 Ah - 28 V / 100 Ah
Air filter Turbo III pre-filter according to cyclone principle with two-stage Donaldson dry filter
Cooling Cooling package with automatic reversing fan for easy radiator cleaning. Automatic rotation speed adjustment according to temperature conditions


Type ZF 5 WG 310 + lock up
torque converter Simple Phase / Single Phase / Fixed Wheel Stator
Gears forward: 1-2-3-4-5 6.5 / 12.0 / 19.0 / 26.5 / 37.0 km/h
Reverse gears: 1-2-3 6.5 / 12.0 / 26.0 km/h
Maximum traction 31,000 kg
Maximum climbing ability 30º / 58%


HDL lock ratio 100% (front)
pendulum angle ±10º

Hydraulic System

Type Closed hydraulics with load sensing
main pump Variable displacement double axial piston pump
Maximum flow 480 l/min
Maximum pressure 315 bar
Pilot System Standard automatic functions to position the bucket for digging plus one function to stop the lift arm at the desired height by manually operating the switch
Filtration The glass fiber filter in the oil return line to the tank filters out particles from 10 microns

lifting arm

Lift arm - up 6.4 sec
Lift arm down 4.2 sec
Bake - retract 2.1 sec
Bake - deposit 1.4 s


braking distance 11.0 m at 32.4 km/h
Number of brake discs per wheel (front / rear) 7 / 7
Accumulators 0.75 l - 30 bar


Safety standards ROPS ISO 3471:2008, FOPS ISO 3449
Door 1
emergency exits 2
A-weighted sound pressure level at the operator, LpAd (ISO 6396:2008) According to specification: 72 dB(A), measured: 71 dB(A)
A-weighted sound power level outside the machine, LwAd (ISO 6395) According to specification: 107 dB(A), measured: 106 dB(A)

Filling capacity

Fuel tank 441 l
urea tank 60 l
Cooling system 60 l
Engine oil 45 l
front axle 62.5 l
rear axle 64 l
Hydraulic oil tank 247 l
Transmission oil 54 l

Steering system

Type Load sensing with amplification and priority valve
Steering angle 40º
Oil flow 270 l/min
operating pressure 200 bar
Control cylinders (2) Emergency steering system with electric motor-driven hydraulic pump
Bore x Rod Diameter x Stroke (mm) 110 x 60 x 465mm

Pressure Settings

Working (pump cut off) 275 ± 10 bar
Power steering at LS port 185 ± 5 bar
Power steering at steering pump 200 ± 10 bar
Pilot Control 30 + 2 bar
Charging the brake accumulator 100 ~ 160 bar
foot brake 80 ± 3 bar
Motor fan 155 ± 10 bar
Unblocking handbrake 120 ± 5 bar
Press for transmission selection 17 ± 1 bar

Doosan DL550-7

Doosan Wheel Loader

Want to know more about this machine?

Roderique, Sjoerd, Pieter, Johan and Sijmen would like to meet you and discuss the possibilities with you.

Staad Vertegenwoordigers 2021

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Service and City

When a malfunction or maintenance has to be done on your Doosan excavator, it is important that this is done by a professional. That is why our mechanics are given the opportunity to follow training courses at Doosan. In this way they also learn from each other internally and we keep everyone sharp and up to date with regard to the latest technical developments in the profession. We stand for optimally performing machines that help you to be successful. We can only achieve this when we have the best people on the road and on location to keep your earth-moving machines running optimally. We therefore guarantee that we are always there for you and come up with a solution.

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Vul hieronder je gegevens in en we nemen zo spoedig mogelijk contact met je op. Zodat we jouw machine samen met een van de verkoopspecialisten kunnen doornemen.

Vul hieronder je gegevens in en we nemen zo spoedig mogelijk contact met je op. Zodat we jouw machine samen met een van de verkoopspecialisten kunnen doornemen.

Would you like to know more about our machines or our service?

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