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Head to head

Caterpillar D6K2 vs Kubota U36-4

The Caterpillar D6K2 is the bigger machine by 25,503kg.

Last reviewed 13 September 2026

Caterpillar D6K2
Caterpillar D6K2 - image: Peterson Cat
Kubota U36-4
Kubota U36-4 - image: Kubota (U.K.) Limited

Key differences

Specifications side by side

Caterpillar D6K2Kubota U36-4
Operating weight29,258lb (XL) / 30,664lb (LGP)3755 kg
Net powerCat C4.4, 130hp-
Blade capacity4.26yd3 (XL) / 4.98yd3 (LGP)-
Dig depth-3410 mm
Width-1700 mm
Engine power-17.8 kw

Sources: Caterpillar D6K2, Kubota U36-4. 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 25,503kg

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 U36-4 if...

A zero-tail swing digger for builders, utility firms and hire fleets working beside walls, fences and live traffic. Common for trenching, foundations and drainage on urban sites.

Full U36-4 specifications →

Common questions

What is the difference between the Caterpillar D6K2 and the Kubota U36-4?

The Caterpillar D6K2 is the bigger machine by 25,503kg. The Caterpillar D6K2 is a medium crawler dozer; the Kubota U36-4 is a 3.5 tonne zero-tail swing compact 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.