Head to head
Caterpillar D4K2 vs Yanmar ViO57-6B
The Yanmar ViO57-6B has 266kW more power. The Caterpillar D4K2 is the bigger machine by 2,683kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Yanmar ViO57-6B has 266kW more power.
- Operating weight: the Caterpillar D4K2 is the bigger machine by 2,683kg.
Specifications side by side
| Caterpillar D4K2 | Yanmar ViO57-6B | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | 5485 kg |
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | 33,5 kW (at 2200 rpm) |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Breakout force | - | 41,9 kN |
| Fuel tank | - | 66 l |
Sources: Caterpillar D4K2, Yanmar ViO57-6B. 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 is the bigger machine by 2,683kg
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 ViO57-6B if...
- you want one that has 266kW more power
A 5 to 6 tonne zero-tail swing digger for civils and groundworks contractors on deeper trenching, pipe laying and loading. Hire fleets use it where space is tight but a bigger machine is needed.
Full ViO57-6B specifications →Common questions
What is the difference between the Caterpillar D4K2 and the Yanmar ViO57-6B?
The Yanmar ViO57-6B has 266kW more power. The Caterpillar D4K2 is the bigger machine by 2,683kg. The Caterpillar D4K2 is a small crawler dozer; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.
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