GetBrent

Head to head

Caterpillar D4K2 vs Comacchio GEO 900

The Caterpillar D4K2 is a small crawler dozer. The Comacchio GEO 900 is a crawler-mounted multipurpose drilling rig.

Last reviewed 13 September 2026

Specifications side by side

Caterpillar D4K2Comacchio GEO 900
Engine power92hp (68.8kW), Cat C4.4 ACERT126-180kW (169-240hp)
Operating weight8,168kg (XL) / 8,476kg (LGP)-
Blade capacity1.98m3 (XL) / 1.85m3 (LGP)-
Ground pressure38.6kPa (XL) / 29.2kPa (LGP)-
Weight-16-18 tonnes
Torque range-1,300-1,520 daNm
Feed stroke-4,000-7,000mm

Sources: Caterpillar D4K2, Comacchio GEO 900. 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 GEO 900 if...

A crawler-mounted rig for geotechnical investigation, water well and geothermal drilling, adaptable to several drilling methods on the same base machine. Ground investigation and specialist drilling contractors hire it rather than general groundworks firms.

Listed by

Full GEO 900 specifications →

Common questions

What is the difference between the Caterpillar D4K2 and the Comacchio GEO 900?

The Caterpillar D4K2 is a small crawler dozer; the Comacchio GEO 900 is a crawler-mounted multipurpose drilling rig.

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.