Doosan DH55 excavator is an efficient operation equipment in the field of small engineering. The whole machine is compact (transport length 5940mm, width 1880mm, height 2565mm), which can flexibly enter and exit narrow sites, especially suitable for refined operation scenes such as pipeline laying, farmland transformation, and municipal maintenance. The excavator is equipped with Isuzu 4JB1 engine with a rated power of 40.5kW/2200rpm, stable power output and good fuel economy.
The walking speed is adjustable from 2.4-3.8km/h, and the bucket digging force is 31.4kN, which can not only achieve rapid transfer, but also ensure the efficiency of operations such as excavation and crushing. In terms of performance configuration, DH55 adopts a variable axial piston pump hydraulic system, with a maximum flow of 2×55L/min and a working pressure of 20.6MPa for the main pump.
It is responsive, runs smoothly, and can accurately control the excavation depth and angle. The fuselage adopts a reinforced structural design, the chassis is optimized and adjusted, and combined with a reasonable fuel tank configuration and other fuel layout, it can not only adapt to complex terrains such as mud and slopes, but also meet the needs of long-term continuous operation. With its flexible shape, reliable power and stable control, Doosan DH55 has become the preferred equipment for small projects that take into account both efficiency and practicality.
Technical Parameter
Working weight
5500kg
Transportation dimensions
total length 5940mm, total width 1880mm, total height 2565mm
Bucket capacity
standard 0.22m³
Engine model
Isuzu 4JB1
Rated power
40.5KW/2200rpm
Cooling method
water cooling
Travel speed
2.4 – 3.8Km/h
Bucket digging force
31.4kN
Arm digging force
24.5kN
Main pump type
variable displacement axial piston pump
Main pump maximum flow
2×55L/min
Working hydraulic oil circuit pressure
20.6Mpa
Fuel tank capacity
100 – 120L
Hydraulic oil tank capacity
50 – 60L
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