Hyundai R290LC-9
Series: Hyundai Hydraulic Excavator
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Hyundai R series: LC, D, and the -7/-7A generation tag behind the number
Hyundai's excavator lineup consistently starts with the prefix R, followed by a number for the size class and usually a letter code for the undercarriage type. LC stands for a lengthened, widened crawler track ("Long Crawler") that increases ground contact area and improves stability on soft or uneven terrain — bucket models such as R140LC-7, R160LC-7 and R180LC-7 carry this code.
Read on 3 more paragraphs
The D suffix, by contrast, marks a wheeled excavator instead of a crawler machine, as seen in this bucket's R110D-7. After the number comes the generation tag: the digit 7 marks a particular excavator generation, and the trailing A on models like R450-7A, per an industry source, denotes adaptation to a stricter emissions standard within the same generation.
The "Hyundai Hydraulic Excavator" bucket spans smaller site machines like the R110-7 up to heavyweights like the R450-7A, and across its 56 active models covers 62 to 365 kW of engine power, 11,200 to 82,320 kg operating weight, 4- to 6-cylinder engines, and torque from 371 to 2364 Nm.
Buying used, LC models are worth checking for wider track shoes and pads, which wear unevenly under intensive digging, along with the seals on the dipper and boom cylinders.
Sources: SpecCodex register, model data: Hyundai Hydraulic Excavator, CM-SV: What Do the Letters of Each Brand and Model of Excavator Mean, Machineryline: Overview of Hyundai R Series Excavators
Technical data
Engine
| Engine model | QSB 6.7correct |
|---|---|
| Power | 230.1 hp (146.9 kW)correct |
| Rated speed | 1,900 rpmcorrect |
| Torque | 949.1 Nmcorrect |
| Speed at max. torque | 1,400 rpmcorrect |
| Cylinders | 6correct |
| Displacement | 6,702.3 cm³correct |
| Aspiration | turbochargedcorrect |
| Coolant capacity | 50.3 lcorrect |
| Engine oil capacity | 24.2 lcorrect |
Dimensions and weights
| Ground clearance | 502.9 mmcorrect |
|---|---|
| Unladen weight | 29,300 kgcorrect |
Working data
| Pump flow | 504.2 l/mincorrect |
|---|---|
| Hydraulic oil capacity | 330.1 lcorrect |
| Hydraulic pressure | 343.2 barcorrect |
| Fuel tank capacity | 500.1 lcorrect |
Other data
| Cab height | 3,011.4 mmcorrect |
|---|---|
| System voltage | 24 Vcorrect |
More machines with this engine (Cummins QSB 6.7, 22)
Where this model stands
Power-to-weight ratio: 5 kW/t (147 kW / 29.3 t)
Stronger than 70% of the excavators & compaction in the register — out of 1,650 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the Hyundai R290LC-9 have?
The Hyundai R290LC-9 delivers 230 hp.
How much does the Hyundai R290LC-9 weigh?
The unladen weight is 29,300 kg.
What engine does the Hyundai R290LC-9 have?
6 cylinders, 6,702 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.
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This page carries 19 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
R110-7
R110D-7
R140LC-7
R140LC-7A
R140LCD-7
R140LCD-7A
R140LCM-7
R140LCM-7A
R160LC-7
R160LCD-7
R180LC-7
R180LC-7A
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.
