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Head to head

Caterpillar D6K2 vs Komatsu D61PX

The Komatsu D61PX is the bigger machine by 12,742kg.

Last reviewed 9 November 2026

Caterpillar D6K2
Caterpillar D6K2 - image: Peterson Cat
Komatsu D61PX
Komatsu D61PX - image: Komatsu Europe

Key differences

Specifications side by side

Caterpillar D6K2Komatsu D61PX
Operating weight29,258lb (XL) / 30,664lb (LGP)approx. 42,000lb (19 tonnes)
Net powerCat C4.4, 130hp-
Blade capacity4.26yd3 (XL) / 4.98yd3 (LGP)-

Sources: Caterpillar D6K2, Komatsu D61PX. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the D6K2 if...

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 D61PX if...

  • you want one that is the bigger machine by 12,742kg

A wide-track, low ground pressure dozer for grading and pushing on soft or wet ground where a standard-track dozer would sink. Groundworks contractors hire it for landscaping and soft-ground earthmoving.

Listed by

Full D61PX specifications →

Common questions

What is the difference between the Caterpillar D6K2 and the Komatsu D61PX?

The Komatsu D61PX is the bigger machine by 12,742kg. The Caterpillar D6K2 is a medium crawler dozer; the Komatsu D61PX is a low ground pressure crawler dozer.

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