Head to head
JCB 50Z-2 vs Kubota KX71-3
The Kubota KX71-3 is the bigger machine by 1,520kg.
Last reviewed 6 October 2026

Key differences
- Operating weight: the Kubota KX71-3 is the bigger machine by 1,520kg.
Specifications side by side
| JCB 50Z-2 | Kubota KX71-3 | |
|---|---|---|
| Operating weight | 5030 kg | approx. 6,550lb (2,970kg) |
| Engine power | 36 kW | - |
| Dig depth | 3.65 m | - |
| Dump height | 4.08 m | - |
| Length | - | 14ft 11in |
| Width | - | 4ft 11in |
Sources: JCB 50Z-2, Kubota KX71-3. 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 KX71-3 if...
- you want one that is the bigger machine by 1,520kg
A sub-3 tonne mini excavator for small groundworks, drainage and garden digging jobs. It is a size class widely hired by landscapers and general builders for work too small to justify a larger machine.
Listed by
- Red Plant Sales Ltd - Colchester, Frating
Common questions
What is the difference between the JCB 50Z-2 and the Kubota KX71-3?
The Kubota KX71-3 is the bigger machine by 1,520kg. The JCB 50Z-2 is a 5 tonne zero tailswing mini excavator; the Kubota KX71-3 is a 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.
