GetBrent

Head to head

Kubota U50-5 vs Yanmar ViO57-6B

The Yanmar ViO57-6B has 295kW more power and is the bigger machine by 710kg.

Last reviewed 13 September 2026

Kubota U50-5
Kubota U50-5 - image: kuk.kubota-eu.com
Yanmar ViO57-6B
Yanmar ViO57-6B - image: Field & Forest Machinery Ltd

Key differences

Specifications side by side

Kubota U50-5Yanmar ViO57-6B
Operating weight4,775kg5485 kg
Engine power40.4kW33,5 kW (at 2200 rpm)
Dig depth3,370mm-
Breakout force-41,9 kN
Fuel tank-66 l

Sources: Kubota U50-5, Yanmar ViO57-6B. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the U50-5 if...

A mid-size mini excavator for groundworkers who need more reach and dig depth than the smaller Kubota models while still keeping a compact machine for site access. Suits drainage, footings and utility trenching.

Listed by

Full U50-5 specifications →

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

  • you want one that has 295kW more power
  • you want one that is the bigger machine by 710kg

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 U50-5 and the Yanmar ViO57-6B?

The Yanmar ViO57-6B has 295kW more power and is the bigger machine by 710kg. The Kubota U50-5 is a 4.8 tonne 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.