Head to head
Komatsu D61PX vs Kubota U55-4
The Komatsu D61PX is the bigger machine by 36.6 tonnes.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Komatsu D61PX is the bigger machine by 36.6 tonnes.
Specifications side by side
| Komatsu D61PX | Kubota U55-4 | |
|---|---|---|
| Operating weight | approx. 42,000lb (19 tonnes) | 5400kg |
| Engine power | - | 46PS |
Sources: Komatsu D61PX, Kubota U55-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D61PX if...
- you want one that is the bigger machine by 36.6 tonnes
A wide-track, low ground pressure dozer for grading and pushing on soft or wet ground where a standard-track dozer would sink. Groundworks contractors hire it for landscaping and soft-ground earthmoving.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the U55-4 if...
A midi excavator for groundworks, utilities and landscaping contractors. At 5.4 tonnes it arrives on a lorry rather than behind a car.
Listed by
- Yorkshire Plant Sales - Wakefield, Leeds
Common questions
What is the difference between the Komatsu D61PX and the Kubota U55-4?
The Komatsu D61PX is the bigger machine by 36.6 tonnes. The Komatsu D61PX is a low ground pressure crawler dozer; the Kubota U55-4 is a midi excavator, 3 to 6 tonnes.
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