Head to head
Caterpillar D4K2 vs Thwaites 6 Tonne Front Tip
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 Front Tip | |
|---|---|---|
| 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 | - | 3400 litres |
| Engine | - | Deutz TCD 3.6 L4 |
Sources: Caterpillar D4K2, Thwaites 6 Tonne Front Tip. 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 Front Tip if...
A 6 tonne front tip dumper for bulk earthmoving, road and utility groundworks and quarry or aggregate haulage on larger UK sites. A cab is listed as an option.
Full 6 Tonne Front Tip specifications →Common questions
What is the difference between the Caterpillar D4K2 and the Thwaites 6 Tonne Front Tip?
The Caterpillar D4K2 has 13kW more power. The Caterpillar D4K2 is a small crawler dozer; the Thwaites 6 Tonne Front Tip is a 6 tonne front tip site dumper.
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