Head to head
JCB 50Z-2 vs Kubota KX080-4a
The Kubota KX080-4a is the bigger machine by 3,210kg and has 11kW more power.
Last reviewed 6 October 2026

Key differences
- Operating weight: the Kubota KX080-4a is the bigger machine by 3,210kg.
- Engine power: the Kubota KX080-4a has 11kW more power.
Specifications side by side
| JCB 50Z-2 | Kubota KX080-4a | |
|---|---|---|
| Operating weight | 5030 kg | 8240kg |
| Engine power | 36 kW | 63.2PS |
| Dig depth | 3.65 m | - |
| Dump height | 4.08 m | - |
Sources: JCB 50Z-2, Kubota KX080-4a. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 50Z-2 if...
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 KX080-4a if...
- you want one that is the bigger machine by 3,210kg
- you want one that has 11kW more power
A 6 to 10 tonne machine for site clearance, drainage and bulk digging, often run with a dumper alongside. At 8.2 tonnes it moves on a lorry or low-loader.
Listed by
- Compact Plant Sales - Farnham
- Standard Plant Hire - Keston
Common questions
What is the difference between the JCB 50Z-2 and the Kubota KX080-4a?
The Kubota KX080-4a is the bigger machine by 3,210kg and has 11kW more power. The JCB 50Z-2 is a 5 tonne zero tailswing mini excavator; the Kubota KX080-4a is a tracked excavator, 6 to 10 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.
