Head to head
Caterpillar D3G LGP vs Komatsu D51PX
The Caterpillar D3G LGP is the bigger machine by 2,980kg.
Last reviewed 9 November 2026
Key differences
- Operating weight: the Caterpillar D3G LGP is the bigger machine by 2,980kg.
Specifications side by side
| Caterpillar D3G LGP | Komatsu D51PX | |
|---|---|---|
| Operating weight | 17,160lb (7,784kg) | 14,180kg |
| Engine power | 77hp gross / 70hp net at 2200rpm | - |
| Blade capacity | 2yd3, 10.4ft wide, 20.7in cutting depth | - |
| Ground pressure | 4.24psi | - |
| Class | - | 14 tonne |
Sources: Caterpillar D3G LGP, Komatsu D51PX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D3G LGP if...
- you want one that is the bigger machine by 2,980kg
A small dozer for landscaping, site clearance and grading jobs too tight for a bigger machine. The LGP tracks spread its weight for work on soft ground such as landfill or wet fields.
Listed by
- Hayes Gate Plant Hire Ltd - London
Buy or hire the D51PX if...
A mid-size dozer built with wider, low ground pressure tracks for soft or wet ground. Groundworks and landfill contractors choose the PX variant over a standard-track D51 where the ground itself would otherwise bog a machine down.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Common questions
What is the difference between the Caterpillar D3G LGP and the Komatsu D51PX?
The Caterpillar D3G LGP is the bigger machine by 2,980kg. The Caterpillar D3G LGP is a small low ground pressure crawler dozer; the Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class.
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