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Head to head

Caterpillar D3G LGP vs Caterpillar D6K2

The Caterpillar D6K2 is the bigger machine by 12,098kg.

Last reviewed 9 November 2026

Caterpillar D3G LGP
Caterpillar D3G LGP - image: similar Caterpillar model shown; photo Joost J. Bakker from IJmuiden, CC BY 2.0, via Wikimedia Commons
Caterpillar D6K2
Caterpillar D6K2 - image: Peterson Cat

Key differences

Specifications side by side

Caterpillar D3G LGPCaterpillar D6K2
Operating weight17,160lb (7,784kg)29,258lb (XL) / 30,664lb (LGP)
Blade capacity2yd3, 10.4ft wide, 20.7in cutting depth4.26yd3 (XL) / 4.98yd3 (LGP)
Engine power77hp gross / 70hp net at 2200rpm-
Ground pressure4.24psi-
Net power-Cat C4.4, 130hp

Sources: Caterpillar D3G LGP, Caterpillar D6K2. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the D3G LGP if...

A small dozer for landscaping, site clearance and grading jobs too tight for a bigger machine. The LGP tracks spread its weight for work on soft ground such as landfill or wet fields.

Listed by

Full D3G LGP specifications →

Buy or hire the D6K2 if...

  • you want one that is the bigger machine by 12,098kg

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 →

Common questions

What is the difference between the Caterpillar D3G LGP and the Caterpillar D6K2?

The Caterpillar D6K2 is the bigger machine by 12,098kg. The Caterpillar D3G LGP is a small low ground pressure crawler dozer; the Caterpillar D6K2 is a medium crawler dozer.

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