Doosan DX255LC-5
Series: Doosan Hydraulic Excavator
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Doosan DX — the number is the tonnage class, LC means the extended track
The "Doosan Hydraulic Excavator" bucket lists 29 models of the DX line, spanning 70 to 278 kW and 13.9 to nearly 53 tonnes of operating weight — from a mid-size tracked excavator to a large jobsite machine. The sample models DX140LC, DX225LC, DX300LC, DX350LC and DX420LC show the consistent naming pattern.
Read on 4 more paragraphs
At Doosan, the DX prefix is followed directly by a number that roughly reflects the machine's operating weight in tonnes — a DX225LC sits in the 22-to-23-tonne class. The LC suffix denotes an extended and widened crawler undercarriage, giving more footprint and thus stability during lifting work as well as better flotation on soft ground; models without the suffix run on the narrower standard gauge.
In practice that means two Doosan excavators with a similar number, one with LC and one without, differ mainly in undercarriage width rather than in displacement or engine power.
For a used excavator in this class, check the track rollers, chain tension and the bucket and arm bushings — the most common wear points under continuous jobsite use. A test run at full hydraulic load also shows whether the pump and valves still deliver full cylinder force.
In short: on the DX line, the number reveals the rough tonnage class and the LC suffix the undercarriage width, without needing to consult a spec sheet.
Sources: SpecCodex register, model data: Doosan Hydraulic Excavator, — Bedeutung der Buchstaben bei Baggermodellen (cm-sv.com), — Doosan DX225LC Hydraulic Excavator (RitchieSpecs)
Technical data
Engine
| Engine make | Doosancorrect |
|---|---|
| Engine model | DL06Pcorrect |
| Power | 191.6 hp (135 kW)correct |
| Rated speed | 1,900 rpmcorrect |
| Torque | 804 Nmcorrect |
| Speed at max. torque | 1,400 rpmcorrect |
| Cylinders | 6correct |
| Displacement | 5,901 cm³correct |
| Coolant capacity | 28 lcorrect |
| Engine oil capacity | 27.3 lcorrect |
Working data
| Hydraulic oil capacity | 280.1 lcorrect |
|---|---|
| Fuel tank capacity | 420.2 lcorrect |
Other data
| System voltage | 24 Vcorrect |
|---|
More machines with this engine (Doosan DL06P, 3)
Frequently asked questions
How much power does the Doosan DX255LC-5 have?
The Doosan DX255LC-5 delivers 192 hp.
What engine does the Doosan DX255LC-5 have?
6 cylinders, 5,901 cm³ displacement.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Load the hydraulics and watch for sag.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 14 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
1 current listings for Doosan DX255LC-5 on Hutnia.com.
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Other models in this series
DX140LC
DX140LC-5
DX140LCR-5
DX180LC
DX180LC-5
DX225LC
DX225LC-5
DX235LCR-5
DX255LC
DX300LC
DX300LC-5
DX300LCSLR
Sources: RitchieSpecs equipment specifications (retrieved August 2026) · How we check the data
Excavator in 3D section
Turn the model, look inside and click an assembly — each one is explained.
