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Head to head

Caterpillar D3 vs Kubota U27-4

The Caterpillar D3 is the bigger machine by 6,772kg.

Last reviewed 13 September 2026

D3
Caterpillar D3
Kubota U27-4
Kubota U27-4 - image: kuk.kubota-eu.com

Key differences

Specifications side by side

Caterpillar D3Kubota U27-4
Operating weight9362kg (20,640lb)2,590kg or 2,490kg depending on variant
Engine power77.6kW (104hp)-
Blade capacity2.19m3, or 2.34m3 with LGP tracks-
EngineCat C3.6-
Dig depth-2,820mm maximum
Maximum reach-4,740mm

Sources: Caterpillar D3, Kubota U27-4. 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 is the bigger machine by 6,772kg

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 U27-4 if...

The step up from the KX019-4 when you need more depth and reach but still have to work close to walls and fences. Tight tail swing is what makes it usable in an occupied garden, and it is one of the most common hire machines in Britain for exactly that reason.

Listed by

Full U27-4 specifications →

Common questions

What is the difference between the Caterpillar D3 and the Kubota U27-4?

The Caterpillar D3 is the bigger machine by 6,772kg. The Caterpillar D3 is a small crawler dozer; the Kubota U27-4 is a tight tail swing compact excavator, around 2.5 tonnes.

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.