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Hitachi ZX33U-6 vs Komatsu D61PX

The Hitachi ZX33U-6 is a 3.3-3.7 tonne zero tail swing mini excavator. The Komatsu D61PX is a low ground pressure crawler dozer.

Last reviewed 13 September 2026

Hitachi ZX33U-6
Hitachi ZX33U-6 - image: Hitachi Construction Machinery
D61PX
Komatsu D61PX

Specifications side by side

Hitachi ZX33U-6Komatsu D61PX
Operating weight3,320 - 3,720kgapprox. 42,000lb (19 tonnes)
Dig depth2,790 - 3,130mm-
Engine power18.8kW-

Sources: Hitachi ZX33U-6, Komatsu D61PX. Figures vary by model year and options, so check with the supplier before you commit.

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 →

Buy or hire the D61PX if...

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 Hitachi ZX33U-6 and the Komatsu D61PX?

The Hitachi ZX33U-6 is a 3.3-3.7 tonne zero tail swing mini excavator; the Komatsu D61PX is a low ground pressure crawler dozer.

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