Head to head
Caterpillar D3 vs Caterpillar D6K LGP
The Caterpillar D6K LGP is the bigger machine by 4,138kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D6K LGP is the bigger machine by 4,138kg.
Specifications side by side
| Caterpillar D3 | Caterpillar D6K LGP | |
|---|---|---|
| Operating weight | 9362kg (20,640lb) | 13.5 tonnes |
| Engine | Cat C3.6 | Cat C6.6 ACERT, 97kW |
| Engine power | 77.6kW (104hp) | - |
| Blade capacity | 2.19m3, or 2.34m3 with LGP tracks | - |
| Blade | - | 6-way blade, 3.08m front width |
| Track width | - | 760mm |
Sources: Caterpillar D3, Caterpillar D6K LGP. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D3 if...
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
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the D6K LGP if...
- you want one that is the bigger machine by 4,138kg
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
Common questions
What is the difference between the Caterpillar D3 and the Caterpillar D6K LGP?
The Caterpillar D6K LGP is the bigger machine by 4,138kg. The Caterpillar D3 is a small crawler dozer; the Caterpillar D6K LGP is a low ground pressure track-type bulldozer.
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