Head to head
Caterpillar D3 vs Komatsu D61PX
The Komatsu D61PX is the bigger machine by 32,638kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Komatsu D61PX is the bigger machine by 32,638kg.
Specifications side by side
| Caterpillar D3 | Komatsu D61PX | |
|---|---|---|
| Operating weight | 9362kg (20,640lb) | approx. 42,000lb (19 tonnes) |
| Engine power | 77.6kW (104hp) | - |
| Blade capacity | 2.19m3, or 2.34m3 with LGP tracks | - |
| Engine | Cat C3.6 | - |
Sources: Caterpillar D3, Komatsu D61PX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D3 if...
Caterpillar's smallest crawler dozer, used for fine grading, landscaping and confined-site work where a full-size dozer won't fit. Common in UK plant hire fleets alongside mini excavators.
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 32,638kg
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 Caterpillar D3 and the Komatsu D61PX?
The Komatsu D61PX is the bigger machine by 32,638kg. The Caterpillar D3 is a small crawler dozer; the Komatsu D61PX is a low ground pressure crawler dozer.
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