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Head to head

Kubota KX015-4 vs Yanmar ViO57-6B

The Yanmar ViO57-6B has 325kW more power.

Last reviewed 13 September 2026

Kubota KX015-4
Kubota KX015-4 - image: kubota-eu.com
Yanmar ViO57-6B
Yanmar ViO57-6B - image: Field & Forest Machinery Ltd

Key differences

Specifications side by side

Kubota KX015-4Yanmar ViO57-6B
Operating weightup to 1470kg5485 kg
Engine power9.6kW (13hp)33,5 kW (at 2200 rpm)
Dig depth2250mm-
Width990mm-
Breakout force-41,9 kN
Fuel tank-66 l

Sources: Kubota KX015-4, Yanmar ViO57-6B. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the KX015-4 if...

The 1.5 tonne class is the busiest size in UK hire fleets. At 1,470kg it goes on a braked plant trailer behind a large 4x4 or pickup, and digs to 2250mm for footings, drainage runs and fence posts.

Listed by

Full KX015-4 specifications →

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

  • you want one that has 325kW 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 Kubota KX015-4 and the Yanmar ViO57-6B?

The Yanmar ViO57-6B has 325kW more power. The Kubota KX015-4 is a 1.5 tonne class mini excavator; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini 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.