Head to head
Genie Z-45/25J RT vs Yanmar ViO57-6B
The Genie Z-45/25J RT is the bigger machine by 1,030kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Genie Z-45/25J RT is the bigger machine by 1,030kg.
Specifications side by side
| Genie Z-45/25J RT | Yanmar ViO57-6B | |
|---|---|---|
| Operating weight | 6,515kg | 5485 kg |
| Working height | 15.86m (51ft 6in) maximum | - |
| Platform height | 13.86m (45ft 6in) maximum | - |
| Platform capacity | 227kg unrestricted | - |
| Engine power | - | 33,5 kW (at 2200 rpm) |
| Breakout force | - | 41,9 kN |
| Fuel tank | - | 66 l |
Sources: Genie Z-45/25J RT, Yanmar ViO57-6B. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Z-45/25J RT if...
- you want one that is the bigger machine by 1,030kg
A widely hired rough-terrain boom for construction and outdoor maintenance. The articulating up-and-over jib is what separates it from a straight telescopic boom: it reaches over an obstacle rather than only to it, which is often the entire requirement.
Full Z-45/25J RT specifications →Buy or hire the ViO57-6B if...
A 5 to 6 tonne zero-tail swing digger for civils and groundworks contractors on deeper trenching, pipe laying and loading. Hire fleets use it where space is tight but a bigger machine is needed.
Full ViO57-6B specifications →Common questions
What is the difference between the Genie Z-45/25J RT and the Yanmar ViO57-6B?
The Genie Z-45/25J RT is the bigger machine by 1,030kg. The Genie Z-45/25J RT is a rough terrain articulating boom lift; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.
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