Head to head
Caterpillar D4K2 vs Thwaites 6 Tonne Power Swivel
The Caterpillar D4K2 has 13kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D4K2 has 13kW more power.
Specifications side by side
| Caterpillar D4K2 | Thwaites 6 Tonne Power Swivel | |
|---|---|---|
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | 55.4 kW (74 hp) @ 2200rpm |
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | - |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Payload | - | 6000 kg |
| Heaped capacity | - | 3150 litres |
| Engine | - | Deutz TCD 3.6 L4 |
Sources: Caterpillar D4K2, Thwaites 6 Tonne Power Swivel. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D4K2 if...
- you want one that has 13kW more power
Cat's smallest crawler dozer, used for grading, site clearance and landscaping where a larger machine would be too heavy or too wide. The LGP undercarriage option suits soft or wet ground.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the 6 Tonne Power Swivel if...
A 6 tonne dumper whose skip swivels so it can tip to either side, useful for loading into trenches and working along narrow roads or site edges. Used by groundworks and utility contractors on UK sites. A cab is listed as an option.
Full 6 Tonne Power Swivel specifications →Common questions
What is the difference between the Caterpillar D4K2 and the Thwaites 6 Tonne Power Swivel?
The Caterpillar D4K2 has 13kW more power. The Caterpillar D4K2 is a small crawler dozer; the Thwaites 6 Tonne Power Swivel is a 6 tonne power swivel site dumper.
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