Head to head
JCB 50Z-2 vs Kubota U36-4
The JCB 50Z-2 has 18kW more power and is the bigger machine by 1,275kg.
Last reviewed 6 October 2026

Key differences
- Engine power: the JCB 50Z-2 has 18kW more power.
- Operating weight: the JCB 50Z-2 is the bigger machine by 1,275kg.
- Dig depth: the JCB 50Z-2 digs 24cm deeper.
Specifications side by side
| JCB 50Z-2 | Kubota U36-4 | |
|---|---|---|
| Operating weight | 5030 kg | 3755 kg |
| Engine power | 36 kW | 17.8 kw |
| Dig depth | 3.65 m | 3410 mm |
| Dump height | 4.08 m | - |
| Width | - | 1700 mm |
Sources: JCB 50Z-2, Kubota U36-4. 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 18kW more power
- you want one that is the bigger machine by 1,275kg
- you want one that digs 24cm deeper
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 U36-4 if...
A zero-tail swing digger for builders, utility firms and hire fleets working beside walls, fences and live traffic. Common for trenching, foundations and drainage on urban sites.
Full U36-4 specifications →Common questions
What is the difference between the JCB 50Z-2 and the Kubota U36-4?
The JCB 50Z-2 has 18kW more power and is the bigger machine by 1,275kg. The JCB 50Z-2 is a 5 tonne zero tailswing mini excavator; the Kubota U36-4 is a 3.5 tonne zero-tail swing compact 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.
