Head to head
Genie Z-45/25J RT vs Hitachi ZX145W-6
The Hitachi ZX145W-6 is the bigger machine by 8,485kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Hitachi ZX145W-6 is the bigger machine by 8,485kg.
Specifications side by side
| Genie Z-45/25J RT | Hitachi ZX145W-6 | |
|---|---|---|
| Operating weight | 6,515kg | 15,000 - 17,200kg |
| Working height | 15.86m (51ft 6in) maximum | - |
| Platform height | 13.86m (45ft 6in) maximum | - |
| Platform capacity | 227kg unrestricted | - |
| Dig depth | - | 5,520 - 5,770mm |
| Engine power | - | 105kW (ISO14396) |
Sources: Genie Z-45/25J RT, Hitachi ZX145W-6. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Z-45/25J RT if...
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 ZX145W-6 if...
- you want one that is the bigger machine by 8,485kg
Suits municipal and utility contractors who need a mobile, road-going digger for drainage and reinstatement work spread across several sites in a day. The wheeled undercarriage trades some stability for speed between jobs.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Common questions
What is the difference between the Genie Z-45/25J RT and the Hitachi ZX145W-6?
The Hitachi ZX145W-6 is the bigger machine by 8,485kg. The Genie Z-45/25J RT is a rough terrain articulating boom lift; the Hitachi ZX145W-6 is a 14-17 tonne wheeled excavator.
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