Doosan DL420-7


DL420 2 (6)
Model Scania DC13
Complies with regulations Stage IV
No. cylinders 6
Rated gross power at 1800 rpm 257 kW (345 pk)
Maximum gross torque at 1300 rpm 1600 Nm
Idle (low - automatic - high) 750 - 950 - 2130 [±20] tpm
Cylinder capacity 12,7 l
Bore x stroke length 130 x 160 mm
Starter 24 V / 6 kW
Accu's, dynamo 2 x 12 V / 200 Ah - 28 V / 100 Ah
Airfilter Turbo III cyclone pre-filter with two-stage Donaldson dry filter
Cooling Cooling package with automatic reversing fan for easy cleaning of the radiator. Automatic adjustment of the rotation speed according to the temperature conditions


Type ZF 5 WG 260 + lock-up
KoppTorque converter Simple phase / single phase / fixed wheel stator
Forward gears: 1-2-3-4-5 7,0 / 12,0 / 18,5 / 26,5 / 37,0 km/h
Reverse gears: 1-2-3 7,0 / 12,0 / 18,5 km/h
Maximum traction 22.400 kg
Maximum climbing ability 27º / 51%


LSD barrier ratio 30% (Front and back)
HDL blocking ratio 100% (front)
Sling angle ±12º

Hydraulic system

Type Closed hydraulics with load sensing
Mainpump Double axial piston pump with variable displacement
Maximum flow 266 l/min
Maximum pressure 315 bar
Pilot-system Standard automatic functions to position the bucket for digging plus a function to stop the lift arm at 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

Lift arm

Lift arm - up 6,0 s
Lift arm - down 3,0 s
Bucket - reject 2,3 s
Bucket dump 1,7 s


Braking distance 7,5 m bij 32 km/h
Number of brake discs per wheel (front / rear) 14 / 14
Accumulators 0,75 l - 30 bar


Security standards ROPS ISO 3471:2008, FOPS ISO 3449
Door 1
Emergency exit 2
A-weighted sound pressure level at the driver (ISO 6396) According to specification: 72 dB (A), measured: 71 dB (A)
A-weighted sound power level outside the machine (ISO 6395) According to specification: 106 dB (A), measured: 105 dB (A)

Filling capacity

Fuel tank 277 l
Ureumtank 60 l
Cooling system 60 l
Engine oil 38 l
Front axle 42 l
Rear axle 42 l
Hydraulic tank 230 l
Transmission oil 54 l

Steering system

Type Load sensing with gain and priority valve
Steeringcorner 40º
Oil flow 210 l/min
Operating pressure 185 bar
Control cylinders(2) Emergency steering system with electric motor driven hydraulic pump
Bore x rod diameter x stroke (mm) 100 x 50 x 442 mm

Pressure settings

Working (pump cut off) 315 ± 10 bar
Power steering at LS port 185 ± 10 bar
Power steering at power steering pump 200 ± 10 bar
Pilot control 30 ± 10 bar
Charging the brake accumulator 100 ~ 160 bar
foot brake 80 ± 3 bar
Motor fan 150 ± 10 bar
Unblock handbrake 120 ± 5 bar
Press for transmission selection 17 ± 1 bar

Doosan DL420-7

Doosan wheel loader

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Vertegenwoordigers Dec 2020

Service and Staad

When a breakdown or maintenance needs to be done to your excavator, it is important that this is done by a professional. That is why we train our technicians by having them follow training courses at Doosan and learning from each other internally. 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 location. We therefore guarantee that we are always ready for our customers and always offer a solution.

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Icoon 24 7 Breakdown Service (Storingsdienst) Blauw Tekst

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