Head to head
JCB 50Z-2 vs Kubota U55-4
The Kubota U55-4 is the bigger machine by 370kg. The JCB 50Z-2 has 2kW more power.
Last reviewed 6 October 2026
Key differences
- Operating weight: the Kubota U55-4 is the bigger machine by 370kg.
- Engine power: the JCB 50Z-2 has 2kW more power.
Specifications side by side
| JCB 50Z-2 | Kubota U55-4 | |
|---|---|---|
| Operating weight | 5030 kg | 5400kg |
| Engine power | 36 kW | 46PS |
| Dig depth | 3.65 m | - |
| Dump height | 4.08 m | - |
Sources: JCB 50Z-2, Kubota U55-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 50Z-2 if...
- you want one that has 2kW more power
A zero tailswing digger for utility trenching, house foundations and road edge work where the rear of the machine has to stay inside the track width. It is used on civils sites and hire fleets that want a 5 tonne class machine.
Full 50Z-2 specifications →Buy or hire the U55-4 if...
- you want one that is the bigger machine by 370kg
A midi excavator for groundworks, utilities and landscaping contractors. At 5.4 tonnes it arrives on a lorry rather than behind a car.
Listed by
- Yorkshire Plant Sales - Wakefield, Leeds
Common questions
What is the difference between the JCB 50Z-2 and the Kubota U55-4?
The Kubota U55-4 is the bigger machine by 370kg. The JCB 50Z-2 has 2kW more power. The JCB 50Z-2 is a 5 tonne zero tailswing mini excavator; the Kubota U55-4 is a midi excavator, 3 to 6 tonnes.
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.