Head to head
Hitachi ZX135USB-7 vs JCB 50Z-2
The Hitachi ZX135USB-7 has 38kW more power.
Last reviewed 6 October 2026
Key differences
- Engine power: the Hitachi ZX135USB-7 has 38kW more power.
Specifications side by side
| Hitachi ZX135USB-7 | JCB 50Z-2 | |
|---|---|---|
| Operating weight | 13,800 - 16,000kg | 5030 kg |
| Engine power | 74kW (ISO14396) / 73kW (ISO9249) | 36 kW |
| Dig depth | - | 3.65 m |
| Dump height | - | 4.08 m |
Sources: Hitachi ZX135USB-7, JCB 50Z-2. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX135USB-7 if...
- you want one that has 38kW more power
Built for sites with tight working margins - roadside, urban and confined yards - where a swinging counterweight would foul walls, parked vehicles or passing traffic. Popular with utility and demolition contractors working close to structures.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
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 →Common questions
What is the difference between the Hitachi ZX135USB-7 and the JCB 50Z-2?
The Hitachi ZX135USB-7 has 38kW more power. The Hitachi ZX135USB-7 is a 13 tonne zero tail swing crawler excavator; the JCB 50Z-2 is a 5 tonne zero tailswing 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.