Head to head
Caterpillar D3 vs JCB 6ST-2S5 Swivel
The Caterpillar D3 is the bigger machine by 4,522kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D3 is the bigger machine by 4,522kg.
Specifications side by side
| Caterpillar D3 | JCB 6ST-2S5 Swivel | |
|---|---|---|
| Operating weight | 9362kg (20,640lb) | 4,840kg |
| Engine power | 77.6kW (104hp) | - |
| Blade capacity | 2.19m3, or 2.34m3 with LGP tracks | - |
| Engine | Cat C3.6 | - |
| Skip capacity | - | 3,191 litres (heaped) |
Sources: Caterpillar D3, JCB 6ST-2S5 Swivel. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D3 if...
- you want one that is the bigger machine by 4,522kg
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 6ST-2S5 Swivel if...
Suits groundworkers who need to tip to the side or rear without turning the whole machine, useful in trenches or narrow access where reversing to line up a straight-tip skip is awkward. The 6 tonne capacity sits in the middle of JCB's swivel dumper range.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Common questions
What is the difference between the Caterpillar D3 and the JCB 6ST-2S5 Swivel?
The Caterpillar D3 is the bigger machine by 4,522kg. The Caterpillar D3 is a small crawler dozer; the JCB 6ST-2S5 Swivel is a 6 tonne swivel-skip site dumper.
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