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Caterpillar D4K2 vs Wacker Neuson ET16

The Caterpillar D4K2 has 55kW more power.

Last reviewed 13 September 2026

D4K2
Caterpillar D4K2
Wacker Neuson ET16
Wacker Neuson ET16 - image: wackerneuson.co.uk

Key differences

Specifications side by side

Caterpillar D4K2Wacker Neuson ET16
Operating weight8,168kg (XL) / 8,476kg (LGP)1,529 to 1,842 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-15.3 kN
Length-3,644 mm
Dig depth-2,413 mm
Width-990 mm
Height-2,285 mm

Sources: Caterpillar D4K2, Wacker Neuson ET16. 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 ET16 if...

The 1.5 tonne class is the busiest size in UK hire fleets. At 1,529kg it goes on a braked plant trailer behind a large 4x4 or pickup, and digs to 2,413 mm for footings, drainage runs and fence posts.

Listed by

Full ET16 specifications →

Common questions

What is the difference between the Caterpillar D4K2 and the Wacker Neuson ET16?

The Caterpillar D4K2 has 55kW more power. The Caterpillar D4K2 is a small crawler dozer; the Wacker Neuson ET16 is a 1.5 tonne class mini excavator.

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