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Head to head

Caterpillar 301.7 CR vs Thwaites 6 Tonne Front Tip

The Thwaites 6 Tonne Front Tip has 40kW more power.

Last reviewed 13 September 2026

Caterpillar 301.7 CR
Caterpillar 301.7 CR - image: Caterpillar
Thwaites 6 Tonne Front Tip
Thwaites 6 Tonne Front Tip - image: Molson Group

Key differences

Specifications side by side

Caterpillar 301.7 CRThwaites 6 Tonne Front Tip
Engine power15.7 kW (21 hp)55.4 kW (74 hp) @ 2200rpm
Operating weight1,915 kg (4,222 lb)-
Dig depth2,540 mm (100 in) (long stick)-
Payload-6000 kg
Heaped capacity-3400 litres
Engine-Deutz TCD 3.6 L4

Sources: Caterpillar 301.7 CR, Thwaites 6 Tonne Front Tip. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the 301.7 CR if...

The Cat 301.7 CR is Caterpillar's roughly 2 tonne mini excavator, built around the Cat C1.1 engine and backed by Caterpillar's dealer network for parts and service. It is specified on UK sites for the same drainage, groundworks and utility jobs as the Kubota U27-4 and Takeuchi TB216, with buyers often citing Cat's residual values and dealer support over price. It is one of the smaller models in Caterpillar's wider mini excavator line-up, which extends up to around 10 tonnes.

Full 301.7 CR specifications →

Buy or hire the 6 Tonne Front Tip if...

  • you want one that has 40kW more power

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 301.7 CR and the Thwaites 6 Tonne Front Tip?

The Thwaites 6 Tonne Front Tip has 40kW more power. The Caterpillar 301.7 CR is a a sub-2 tonne conventional-tail-swing mini excavator; the Thwaites 6 Tonne Front Tip is a 6 tonne front tip site dumper.

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