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Caterpillar D6T LGP vs Thwaites 6 Tonne Power Swivel

The Caterpillar D6T LGP is a medium low ground pressure crawler dozer. The Thwaites 6 Tonne Power Swivel is a 6 tonne power swivel site dumper.

Last reviewed 13 September 2026

Caterpillar D6T LGP
Caterpillar D6T LGP - image: 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

Specifications side by side

Caterpillar D6T LGPThwaites 6 Tonne Power Swivel
EngineCat C9.3 ACERT, 215hp net / 228hp grossDeutz TCD 3.6 L4
Operating weight50,968lb (23,119kg)-
Blade capacity4.90yd3 (3.75m3), 13.4ft wide, 47in tall-
Ground pressure6.4psi-
Payload-6000 kg
Heaped capacity-3150 litres
Engine power-55.4 kW (74 hp) @ 2200rpm

Sources: Caterpillar D6T 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 D6T LGP if...

A mid-size dozer used for bulk earthmoving, site clearance and grading on larger construction and quarry sites. The LGP variant's wider tracks let it work on soft or wet ground where a standard D6T would sink or lose traction.

Listed by

Full D6T 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 D6T LGP and the Thwaites 6 Tonne Power Swivel?

The Caterpillar D6T LGP is a medium low ground pressure crawler dozer; the Thwaites 6 Tonne Power Swivel is a 6 tonne power swivel site dumper.

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