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Head to head

Caterpillar D3 vs Kubota U20

The Caterpillar D3 has 64kW more power.

Last reviewed 13 September 2026

Caterpillar D3
Caterpillar D3 - image: Peterson Cat
Kubota U20
Kubota U20 - image: Kubota UK

Key differences

Specifications side by side

Caterpillar D3Kubota U20
Engine power77.6kW (104hp)13.5kW / 19hp
Operating weight9362kg (20,640lb)-
Blade capacity2.19m3, or 2.34m3 with LGP tracks-
EngineCat C3.6-
Machine weight-2,380kg (cab) / 2,180kg (canopy)
Max dig depth-2,540mm
Max width-1,500mm
Travel speed-2.2 / 4.2km/h

Sources: Caterpillar D3, Kubota U20. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the D3 if...

  • you want one that has 64kW more power

Caterpillar's smallest crawler dozer, used for fine grading, landscaping and confined-site work where a full-size dozer won't fit. Common in UK plant hire fleets alongside mini excavators.

Listed by

Full D3 specifications →

Buy or hire the U20 if...

A compact zero-tailswing excavator sized to fit through a domestic gateway, used for groundworks, drainage and garden landscaping jobs where space is tight.

Listed by

Full U20 specifications →

Common questions

What is the difference between the Caterpillar D3 and the Kubota U20?

The Caterpillar D3 has 64kW more power. The Caterpillar D3 is a small crawler dozer; the Kubota U20 is a 2-tonne class mini excavator.

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.