Head to head
Caterpillar D6K2 vs Kubota U50-5
The Caterpillar D6K2 is the bigger machine by 24,483kg.
Last reviewed 13 September 2026

Key differences
- Operating weight: the Caterpillar D6K2 is the bigger machine by 24,483kg.
Specifications side by side
| Caterpillar D6K2 | Kubota U50-5 | |
|---|---|---|
| Operating weight | 29,258lb (XL) / 30,664lb (LGP) | 4,775kg |
| Net power | Cat C4.4, 130hp | - |
| Blade capacity | 4.26yd3 (XL) / 4.98yd3 (LGP) | - |
| Dig depth | - | 3,370mm |
| Engine power | - | 40.4kW |
Sources: Caterpillar D6K2, Kubota U50-5. 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 24,483kg
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 U50-5 if...
A mid-size mini excavator for groundworkers who need more reach and dig depth than the smaller Kubota models while still keeping a compact machine for site access. Suits drainage, footings and utility trenching.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
- Standard Plant Hire - Keston
Common questions
What is the difference between the Caterpillar D6K2 and the Kubota U50-5?
The Caterpillar D6K2 is the bigger machine by 24,483kg. The Caterpillar D6K2 is a medium crawler dozer; the Kubota U50-5 is a 4.8 tonne 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.
