Head to head
Komatsu D51PX vs Komatsu D61PX
The Komatsu D61PX is the bigger machine by 27,820kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Komatsu D61PX is the bigger machine by 27,820kg.
Specifications side by side
| Komatsu D51PX | Komatsu D61PX | |
|---|---|---|
| Operating weight | 14,180kg | approx. 42,000lb (19 tonnes) |
| Class | 14 tonne | - |
Sources: Komatsu D51PX, Komatsu D61PX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D51PX if...
A mid-size dozer built with wider, low ground pressure tracks for soft or wet ground. Groundworks and landfill contractors choose the PX variant over a standard-track D51 where the ground itself would otherwise bog a machine down.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the D61PX if...
- you want one that is the bigger machine by 27,820kg
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
Common questions
What is the difference between the Komatsu D51PX and the Komatsu D61PX?
The Komatsu D61PX is the bigger machine by 27,820kg. The Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class; the Komatsu D61PX is a low ground pressure crawler dozer.
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