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Thwaites 6 Tonne Power Swivel vs Wacker Neuson ET20

The Thwaites 6 Tonne Power Swivel has 42kW more power.

Last reviewed 13 September 2026

Thwaites 6 Tonne Power Swivel
Thwaites 6 Tonne Power Swivel - image: Molson Group
Wacker Neuson ET20
Wacker Neuson ET20 - image: wackerneuson.co.uk

Key differences

Specifications side by side

Thwaites 6 Tonne Power SwivelWacker Neuson ET20
Engine power55.4 kW (74 hp) @ 2200rpm13.8 kW
Payload6000 kg-
Heaped capacity3150 litres-
EngineDeutz TCD 3.6 L4-
Breakout force-18.8 kN
Length-4,049 mm
Operating weight-2,005 to 2,526 kg
Dig depth-2,683 mm
Width-990 mm
Height-2,385 mm

Sources: Thwaites 6 Tonne Power Swivel, Wacker Neuson ET20. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the 6 Tonne Power Swivel if...

  • you want one that has 42kW more power

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 →

Buy or hire the ET20 if...

A step up for bigger footings, groundworks and landscaping. At 2.0 tonnes it needs a 3.5 tonne plant trailer and a tow vehicle rated for the combined weight, or delivery on a lorry. Maximum dig depth is 2,683 mm.

Listed by

Full ET20 specifications →

Common questions

What is the difference between the Thwaites 6 Tonne Power Swivel and the Wacker Neuson ET20?

The Thwaites 6 Tonne Power Swivel has 42kW more power. The Thwaites 6 Tonne Power Swivel is a 6 tonne power swivel site dumper; the Wacker Neuson ET20 is a 2.5 to 3 tonne class mini excavator.

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