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Head to head

Kubota U20 vs Yanmar ViO57-6B

The Yanmar ViO57-6B has 322kW more power.

Last reviewed 13 September 2026

Kubota U20
Kubota U20 - image: Kubota UK
Yanmar ViO57-6B
Yanmar ViO57-6B - image: Field & Forest Machinery Ltd

Key differences

Specifications side by side

Kubota U20Yanmar ViO57-6B
Engine power13.5kW / 19hp33,5 kW (at 2200 rpm)
Machine weight2,380kg (cab) / 2,180kg (canopy)-
Max dig depth2,540mm-
Max width1,500mm-
Travel speed2.2 / 4.2km/h-
Operating weight-5485 kg
Breakout force-41,9 kN
Fuel tank-66 l

Sources: Kubota U20, Yanmar ViO57-6B. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the U20 if...

A compact zero-tailswing excavator sized to fit through a domestic gateway, used for groundworks, drainage and garden landscaping jobs where space is tight.

Listed by

Full U20 specifications →

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

  • you want one that has 322kW 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 U20 and the Yanmar ViO57-6B?

The Yanmar ViO57-6B has 322kW more power. The Kubota U20 is a 2-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.