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Caterpillar D6K LGP vs Hitachi ZX33U-6

The Caterpillar D6K LGP is a low ground pressure track-type bulldozer. The Hitachi ZX33U-6 is a 3.3-3.7 tonne zero tail swing mini excavator.

Last reviewed 13 September 2026

D6K LGP
Caterpillar D6K LGP
Hitachi ZX33U-6
Hitachi ZX33U-6 - image: Hitachi Construction Machinery

Specifications side by side

Caterpillar D6K LGPHitachi ZX33U-6
Operating weight13.5 tonnes3,320 - 3,720kg
EngineCat C6.6 ACERT, 97kW-
Blade6-way blade, 3.08m front width-
Track width760mm-
Dig depth-2,790 - 3,130mm
Engine power-18.8kW

Sources: Caterpillar D6K LGP, Hitachi ZX33U-6. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the D6K LGP if...

A low ground pressure version of Cat's D6K dozer, built with wider tracks to work on soft or wet ground without sinking in. Groundworks and landfill contractors use the LGP variant over the standard D6K where the site itself, not just the job, dictates the machine.

Listed by

Full D6K LGP specifications →

Buy or hire the ZX33U-6 if...

A general-purpose mini digger for landscaping, utilities and small groundworks contractors who need to work in gardens, driveways and other access-restricted sites. Its zero tail swing lets it turn on the spot without swinging into fences or walls.

Listed by

Full ZX33U-6 specifications →

Common questions

What is the difference between the Caterpillar D6K LGP and the Hitachi ZX33U-6?

The Caterpillar D6K LGP is a low ground pressure track-type bulldozer; the Hitachi ZX33U-6 is a 3.3-3.7 tonne zero tail swing mini excavator.

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