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Caterpillar D3G LGP vs Thwaites 6 Tonne Power Swivel

The Caterpillar D3G LGP has 2kW more power.

Last reviewed 13 September 2026

Caterpillar D3G LGP
Caterpillar D3G LGP - image: similar Caterpillar model shown; photo Joost J. Bakker from IJmuiden, CC BY 2.0, via Wikimedia Commons
Thwaites 6 Tonne Power Swivel
Thwaites 6 Tonne Power Swivel - image: Molson Group

Key differences

Specifications side by side

Caterpillar D3G LGPThwaites 6 Tonne Power Swivel
Engine power77hp gross / 70hp net at 2200rpm55.4 kW (74 hp) @ 2200rpm
Operating weight17,160lb (7,784kg)-
Blade capacity2yd3, 10.4ft wide, 20.7in cutting depth-
Ground pressure4.24psi-
Payload-6000 kg
Heaped capacity-3150 litres
Engine-Deutz TCD 3.6 L4

Sources: Caterpillar D3G LGP, Thwaites 6 Tonne Power Swivel. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the D3G LGP if...

  • you want one that has 2kW more power

A small dozer for landscaping, site clearance and grading jobs too tight for a bigger machine. The LGP tracks spread its weight for work on soft ground such as landfill or wet fields.

Listed by

Full D3G LGP specifications →

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 D3G LGP and the Thwaites 6 Tonne Power Swivel?

The Caterpillar D3G LGP has 2kW more power. The Caterpillar D3G LGP is a small low ground pressure crawler dozer; the Thwaites 6 Tonne Power Swivel is a 6 tonne power swivel site dumper.

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