Head to head
Hitachi ZX135USB-7 vs Yanmar ViO33-6
The Hitachi ZX135USB-7 has 56kW more power.
Last reviewed 13 September 2026

Key differences
- Engine power: the Hitachi ZX135USB-7 has 56kW more power.
Specifications side by side
| Hitachi ZX135USB-7 | Yanmar ViO33-6 | |
|---|---|---|
| Operating weight | 13,800 - 16,000kg | 3155 kg (canopy) / 3275 kg (cabin) |
| Engine power | 74kW (ISO14396) / 73kW (ISO9249) | 18.5 kW / 24.8 HP at 2200 rpm |
| Breakout force | - | 29.9 kN |
| Fuel tank | - | 41 l |
Sources: Hitachi ZX135USB-7, Yanmar ViO33-6. 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 56kW 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 ViO33-6 if...
A zero-tail swing digger for groundworkers, utility contractors and hire fleets on trenching, drainage and foundations beside walls and fences. Suits urban sites with limited space.
Full ViO33-6 specifications →Common questions
What is the difference between the Hitachi ZX135USB-7 and the Yanmar ViO33-6?
The Hitachi ZX135USB-7 has 56kW more power. The Hitachi ZX135USB-7 is a 13 tonne zero tail swing crawler excavator; the Yanmar ViO33-6 is a 3.2 tonne zero-tail 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.
