Komatsu PC40-2 – specifications
Series: Other models
Build year not documented · Data origin: Directory data · sources
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Komatsu PC-MR – mini excavators with short tail swing
Komatsu was founded on 13 May 1921 in Komatsu, Ishikawa Prefecture, Japan, by Meitaro Takeuchi and is the world's second-largest maker of construction and mining equipment after Caterpillar. Its PC series ranges from mini to large excavators. The MR models are zero-tail-swing mini excavators: according to trade press, the PC18MR-3 has a 715 mm tail radius and an undercarriage that narrows to 980 mm.
Read on 2 more paragraphs
Typical uses are landscaping, pipeline work, indoor demolition and small building jobs in confined spaces.
Listed in the register: Komatsu PC18MR-3, PC30MR-3 and PC45MR-3.
Sources: Wikipedia Komatsu, PlantSpecs PC18MR-3
Technical data
Engine
| Engine model | 3D94-2Acorrect |
|---|---|
| Power | 26.1 kWcorrect |
| Displacement | 2,212.3 cm³correct |
Dimensions and weights
| Unladen weight | 4,336.3 kgcorrect |
|---|
Where this model stands
Power-to-weight ratio: 6 kW/t (26 kW / 4.3 t)
Stronger than 79% of the mini excavators in the register — out of 400 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the Komatsu PC40-2 have?
The Komatsu PC40-2 delivers 26.1 kW.
How much does the Komatsu PC40-2 weigh?
The unladen weight is 4,336 kg.
What engine does the Komatsu PC40-2 have?
2,212 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.
- 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 4 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
Sources: RitchieSpecs equipment specifications (retrieved August 2026) · Data sources and cross-checks
Mini excavator in 3D section
Turn the model, look inside and click an assembly — each one is explained.