Doosan DX300LCSLR
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: Kennwerte der Modelle Doosan Hydraulic Excavator, — Bedeutung der Buchstaben bei Baggermodellen (cm-sv.com), — Doosan DX225LC Hydraulic Excavator (RitchieSpecs)
Technical data
Engine
| Engine model | DL 08correct |
|---|---|
| Power | 146.9 kWcorrect |
| Rated speed | 1,900 rpmcorrect |
| Displacement | 7,636.4 cm³correct |
| Coolant capacity | 35.2 lcorrect |
| Engine oil capacity | 36.3 lcorrect |
Dimensions and weights
| Ground clearance | 502.9correct |
|---|---|
| Unladen weight | 30,000 kgcorrect |
Working data
| Pump flow | 494.4 l/mincorrect |
|---|---|
| Hydraulic oil capacity | 280.1 lcorrect |
| Hydraulic pressure | 323.4 barcorrect |
| Fuel tank capacity | 500.1 lcorrect |
Other data
| Cab height | 3,066.3correct |
|---|
Where this model stands
Power-to-weight ratio: 4.9 kW/t (147 kW / 30 t)
Stronger than 69% of the excavators & compaction in the register — out of 1,666 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the Doosan DX300LCSLR have?
The Doosan DX300LCSLR delivers 147 kW.
How much does the Doosan DX300LCSLR weigh?
The unladen weight is 30,000 kg.
What engine does the Doosan DX300LCSLR have?
7,636 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.
- Check the weights in the papers against the figures here — attachments change them.
- 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.
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
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This page carries 13 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.
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Other models in this series
DX140LC
DX140LC-5
DX140LCR-5
DX180LC
DX180LC-5
DX225LC
DX225LC-3
DX225LC-5
DX235LCR-5
DX255LC
DX255LC-5
DX300LC
Sources: [1]
Excavator in 3D section
Turn the model, look inside and click an assembly — each one is explained.