Head to head
Caterpillar D3 vs JCB STH-2S5 Swivel
The Caterpillar D3 has 59kW more power and is the bigger machine by 6,972kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D3 has 59kW more power.
- Operating weight: the Caterpillar D3 is the bigger machine by 6,972kg.
Specifications side by side
| Caterpillar D3 | JCB STH-2S5 Swivel | |
|---|---|---|
| Operating weight | 9362kg (20,640lb) | 2,390kg |
| Engine power | 77.6kW (104hp) | 18.9kW |
| Blade capacity | 2.19m3, or 2.34m3 with LGP tracks | - |
| Engine | Cat C3.6 | - |
| Skip capacity | - | 1,615 litres (heaped) |
Sources: Caterpillar D3, JCB STH-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 has 59kW more power
- you want one that is the bigger machine by 6,972kg
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 STH-2S5 Swivel if...
A compact swivel dumper for smaller groundworks and landscaping contractors who need to tip to the side without repositioning, popular on domestic extension and garden sites where access is tight.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Common questions
What is the difference between the Caterpillar D3 and the JCB STH-2S5 Swivel?
The Caterpillar D3 has 59kW more power and is the bigger machine by 6,972kg. The Caterpillar D3 is a small crawler dozer; the JCB STH-2S5 Swivel is a 3 tonne swivel-skip site dumper.
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