Head to head
Caterpillar D6K2 vs Genie Z-45/25J RT
The Caterpillar D6K2 is the bigger machine by 22,743kg.
Last reviewed 13 September 2026

Key differences
- Operating weight: the Caterpillar D6K2 is the bigger machine by 22,743kg.
Specifications side by side
| Caterpillar D6K2 | Genie Z-45/25J RT | |
|---|---|---|
| Operating weight | 29,258lb (XL) / 30,664lb (LGP) | 6,515kg |
| Net power | Cat C4.4, 130hp | - |
| Blade capacity | 4.26yd3 (XL) / 4.98yd3 (LGP) | - |
| Working height | - | 15.86m (51ft 6in) maximum |
| Platform height | - | 13.86m (45ft 6in) maximum |
| Platform capacity | - | 227kg unrestricted |
Sources: Caterpillar D6K2, Genie Z-45/25J RT. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D6K2 if...
- you want one that is the bigger machine by 22,743kg
A medium dozer for site grading, cut-and-fill and light earthmoving where a full-size dozer would be overkill. It is hired by groundworks and landscaping contractors needing precise grading as much as raw pushing power.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
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 →Common questions
What is the difference between the Caterpillar D6K2 and the Genie Z-45/25J RT?
The Caterpillar D6K2 is the bigger machine by 22,743kg. The Caterpillar D6K2 is a medium crawler dozer; the Genie Z-45/25J RT is a rough terrain articulating boom lift.
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.
