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Caterpillar D3G LGP vs Caterpillar D4K2

The Caterpillar D3G LGP is the bigger machine by 8,992kg. The Caterpillar D4K2 has 11kW more power.

Last reviewed 13 September 2026

Key differences

Specifications side by side

Caterpillar D3G LGPCaterpillar D4K2
Operating weight17,160lb (7,784kg)8,168kg (XL) / 8,476kg (LGP)
Engine power77hp gross / 70hp net at 2200rpm92hp (68.8kW), Cat C4.4 ACERT
Blade capacity2yd3, 10.4ft wide, 20.7in cutting depth1.98m3 (XL) / 1.85m3 (LGP)
Ground pressure4.24psi38.6kPa (XL) / 29.2kPa (LGP)

Sources: Caterpillar D3G LGP, Caterpillar D4K2. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the D3G LGP if...

  • you want one that is the bigger machine by 8,992kg

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 D4K2 if...

  • you want one that has 11kW more power

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 →

Common questions

What is the difference between the Caterpillar D3G LGP and the Caterpillar D4K2?

The Caterpillar D3G LGP is the bigger machine by 8,992kg. The Caterpillar D4K2 has 11kW more power. The Caterpillar D3G LGP is a small low ground pressure crawler dozer; the Caterpillar D4K2 is a small crawler dozer.

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