Head to head
Caterpillar D6K2 vs JCB STH-2S5 Swivel
The Caterpillar D6K2 is the bigger machine by 26,868kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D6K2 is the bigger machine by 26,868kg.
Specifications side by side
| Caterpillar D6K2 | JCB STH-2S5 Swivel | |
|---|---|---|
| Operating weight | 29,258lb (XL) / 30,664lb (LGP) | 2,390kg |
| Net power | Cat C4.4, 130hp | - |
| Blade capacity | 4.26yd3 (XL) / 4.98yd3 (LGP) | - |
| Skip capacity | - | 1,615 litres (heaped) |
| Engine power | - | 18.9kW |
Sources: Caterpillar D6K2, JCB STH-2S5 Swivel. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D6K2 if...
- you want one that is the bigger machine by 26,868kg
A medium dozer for site grading, cut-and-fill and light earthmoving where a full-size dozer would be overkill. It is hired by groundworks and landscaping contractors needing precise grading as much as raw pushing power.
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 D6K2 and the JCB STH-2S5 Swivel?
The Caterpillar D6K2 is the bigger machine by 26,868kg. The Caterpillar D6K2 is a medium crawler dozer; the JCB STH-2S5 Swivel is a 3 tonne swivel-skip site dumper.
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