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Head to head

Caterpillar D6K2 vs Kubota U50-5

The Caterpillar D6K2 is the bigger machine by 24,483kg.

Last reviewed 13 September 2026

D6K2
Caterpillar D6K2
Kubota U50-5
Kubota U50-5 - image: kuk.kubota-eu.com

Key differences

Specifications side by side

Caterpillar D6K2Kubota U50-5
Operating weight29,258lb (XL) / 30,664lb (LGP)4,775kg
Net powerCat C4.4, 130hp-
Blade capacity4.26yd3 (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

Full D6K2 specifications →

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

Full U50-5 specifications →

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.

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