GetBrent

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

D6K2
Caterpillar D6K2
Genie Z-45/25J RT
Genie Z-45/25J RT - image: morrisleslie.com

Key differences

Specifications side by side

Caterpillar D6K2Genie Z-45/25J RT
Operating weight29,258lb (XL) / 30,664lb (LGP)6,515kg
Net powerCat C4.4, 130hp-
Blade capacity4.26yd3 (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

Full D6K2 specifications →

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.