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Head to head

Caterpillar D6N vs Yanmar ViO57-6B

The Caterpillar D6N is the bigger machine by 11,272kg. The Yanmar ViO57-6B has 211kW more power.

Last reviewed 13 September 2026

Caterpillar D6N
Caterpillar D6N - image: Peterson Cat
Yanmar ViO57-6B
Yanmar ViO57-6B - image: Field & Forest Machinery Ltd

Key differences

Specifications side by side

Caterpillar D6NYanmar ViO57-6B
Operating weight16757kg (36,943lb)5485 kg
Engine power124kW (166hp) at 1800rpm33,5 kW (at 2200 rpm)
Blade capacity3.90m3 (LGP VPAT) to 4.30m3 (XL SU)-
EngineCat C7.1 ACERT-
Breakout force-41,9 kN
Fuel tank-66 l

Sources: Caterpillar D6N, Yanmar ViO57-6B. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the D6N if...

  • you want one that is the bigger machine by 11,272kg

A mid-size dozer used for earthmoving, site clearance and haul road maintenance. The VPAT blade option lets one machine angle, tilt and pitch for grading as well as straight pushing.

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Full D6N specifications →

Buy or hire the ViO57-6B if...

  • you want one that has 211kW 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 D6N and the Yanmar ViO57-6B?

The Caterpillar D6N is the bigger machine by 11,272kg. The Yanmar ViO57-6B has 211kW more power. The Caterpillar D6N is a medium crawler dozer; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.

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