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Caterpillar D4K2 vs Wacker Neuson ET145

The Caterpillar D4K2 has 14kW more power.

Last reviewed 13 September 2026

D4K2
Caterpillar D4K2
Wacker Neuson ET145
Wacker Neuson ET145 - image: wackerneuson.co.uk

Key differences

Specifications side by side

Caterpillar D4K2Wacker Neuson ET145
Operating weight8,168kg (XL) / 8,476kg (LGP)15,551 to 17,275 kg
Engine power92hp (68.8kW), Cat C4.4 ACERT55 kW
Blade capacity1.98m3 (XL) / 1.85m3 (LGP)-
Ground pressure38.6kPa (XL) / 29.2kPa (LGP)-
Breakout force-91 kN
Length-7,788 mm
Dig depth-5,442 mm
Width-2,490 mm
Height-2,786 mm

Sources: Caterpillar D4K2, Wacker Neuson ET145. 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 14kW 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 ET145 if...

A full-size excavator for civil engineering, bulk earthmoving and demolition. At 15.6 tonnes it moves on a low-loader and is often hired with an operator. It digs to 5,442 mm.

Listed by

Full ET145 specifications →

Common questions

What is the difference between the Caterpillar D4K2 and the Wacker Neuson ET145?

The Caterpillar D4K2 has 14kW more power. The Caterpillar D4K2 is a small crawler dozer; the Wacker Neuson ET145 is a full-size tracked excavator.

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