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Caterpillar D4K2 vs Wacker Neuson ET20

The Caterpillar D4K2 has 55kW more power.

Last reviewed 13 September 2026

D4K2
Caterpillar D4K2
Wacker Neuson ET20
Wacker Neuson ET20 - image: wackerneuson.co.uk

Key differences

Specifications side by side

Caterpillar D4K2Wacker Neuson ET20
Operating weight8,168kg (XL) / 8,476kg (LGP)2,005 to 2,526 kg
Engine power92hp (68.8kW), Cat C4.4 ACERT13.8 kW
Blade capacity1.98m3 (XL) / 1.85m3 (LGP)-
Ground pressure38.6kPa (XL) / 29.2kPa (LGP)-
Breakout force-18.8 kN
Length-4,049 mm
Dig depth-2,683 mm
Width-990 mm
Height-2,385 mm

Sources: Caterpillar D4K2, Wacker Neuson ET20. 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 55kW 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

Full D4K2 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 Caterpillar D4K2 and the Wacker Neuson ET20?

The Caterpillar D4K2 has 55kW more power. The Caterpillar D4K2 is a small crawler dozer; the Wacker Neuson ET20 is a 2.5 to 3 tonne class mini excavator.

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