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Caterpillar D3 vs Wacker Neuson ET145

The Caterpillar D3 has 23kW more power.

Last reviewed 13 September 2026

D3
Caterpillar D3
Wacker Neuson ET145
Wacker Neuson ET145 - image: wackerneuson.co.uk

Key differences

Specifications side by side

Caterpillar D3Wacker Neuson ET145
Operating weight9362kg (20,640lb)15,551 to 17,275 kg
Engine power77.6kW (104hp)55 kW
Blade capacity2.19m3, or 2.34m3 with LGP tracks-
EngineCat C3.6-
Breakout force-91 kN
Length-7,788 mm
Dig depth-5,442 mm
Width-2,490 mm
Height-2,786 mm

Sources: Caterpillar D3, Wacker Neuson ET145. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the D3 if...

  • you want one that has 23kW more power

Caterpillar's smallest crawler dozer, used for fine grading, landscaping and confined-site work where a full-size dozer won't fit. Common in UK plant hire fleets alongside mini excavators.

Listed by

Full D3 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 D3 and the Wacker Neuson ET145?

The Caterpillar D3 has 23kW more power. The Caterpillar D3 is a small crawler dozer; the Wacker Neuson ET145 is a full-size tracked excavator.

GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.