Head to head
Caterpillar D6K LGP vs Kubota U55-4
The Caterpillar D6K LGP is the bigger machine by 8.1 tonnes.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D6K LGP is the bigger machine by 8.1 tonnes.
Specifications side by side
| Caterpillar D6K LGP | Kubota U55-4 | |
|---|---|---|
| Operating weight | 13.5 tonnes | 5400kg |
| Engine | Cat C6.6 ACERT, 97kW | - |
| Blade | 6-way blade, 3.08m front width | - |
| Track width | 760mm | - |
| Engine power | - | 46PS |
Sources: Caterpillar D6K LGP, Kubota U55-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D6K LGP if...
- you want one that is the bigger machine by 8.1 tonnes
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
- Eco Plant Hire And Sales Ltd - Peterborough, Whittlesey
Buy or hire the U55-4 if...
A midi excavator for groundworks, utilities and landscaping contractors. At 5.4 tonnes it arrives on a lorry rather than behind a car.
Listed by
- Yorkshire Plant Sales - Wakefield, Leeds
Common questions
What is the difference between the Caterpillar D6K LGP and the Kubota U55-4?
The Caterpillar D6K LGP is the bigger machine by 8.1 tonnes. The Caterpillar D6K LGP is a low ground pressure track-type bulldozer; the Kubota U55-4 is a midi excavator, 3 to 6 tonnes.
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