Head to head
Caterpillar D4K2 vs Wacker Neuson ET90
The Caterpillar D4K2 has 13kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D4K2 has 13kW more power.
Specifications side by side
| Caterpillar D4K2 | Wacker Neuson ET90 | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | 8,710 to 10,506 kg |
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | 55.4 kW |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Breakout force | - | 74 kN |
| Length | - | 7,139 mm |
| Dig depth | - | 4,679 mm |
| Width | - | 2,250 mm |
| Height | - | 2,562 mm |
Sources: Caterpillar D4K2, Wacker Neuson ET90. 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 13kW 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
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the ET90 if...
A 6 to 10 tonne machine for site clearance, drainage and bulk digging, often run with a dumper alongside. At 8.7 tonnes it moves on a lorry or low-loader. Dig depth is 4,679 mm.
Listed by
- GEM Plant Sales Limited - Ashford, Sevington, Willesborough
Common questions
What is the difference between the Caterpillar D4K2 and the Wacker Neuson ET90?
The Caterpillar D4K2 has 13kW more power. The Caterpillar D4K2 is a small crawler dozer; the Wacker Neuson ET90 is a tracked excavator, 6 to 10 tonnes.
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