GetBrent

Head to head

Caterpillar D4K2 vs Komatsu D61PX

The Komatsu D61PX is the bigger machine by 33,832kg.

Last reviewed 13 September 2026

Key differences

Specifications side by side

Caterpillar D4K2Komatsu D61PX
Operating weight8,168kg (XL) / 8,476kg (LGP)approx. 42,000lb (19 tonnes)
Engine power92hp (68.8kW), Cat C4.4 ACERT-
Blade capacity1.98m3 (XL) / 1.85m3 (LGP)-
Ground pressure38.6kPa (XL) / 29.2kPa (LGP)-

Sources: Caterpillar D4K2, Komatsu D61PX. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the D4K2 if...

Cat's smallest crawler dozer, used for grading, site clearance and landscaping where a larger machine would be too heavy or too wide. The LGP undercarriage option suits soft or wet ground.

Listed by

Full D4K2 specifications →

Buy or hire the D61PX if...

  • you want one that is the bigger machine by 33,832kg

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 D4K2 and the Komatsu D61PX?

The Komatsu D61PX is the bigger machine by 33,832kg. The Caterpillar D4K2 is a small crawler dozer; the Komatsu D61PX is a low ground pressure crawler dozer.

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.