Head to head
Caterpillar 352F vs Komatsu D51PX
The Caterpillar 352F is the bigger machine by 101,520kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar 352F is the bigger machine by 101,520kg.
Specifications side by side
| Caterpillar 352F | Komatsu D51PX | |
|---|---|---|
| Operating weight | 115,700lb (~52.5 tonnes) | 14,180kg |
| Engine | Cat C13 ACERT, 417hp net | - |
| Fuel capacity | 190 US gallons | - |
| Max travel speed | 2.9mph | - |
| Class | - | 14 tonne |
Sources: Caterpillar 352F, Komatsu D51PX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 352F if...
- you want one that is the bigger machine by 101,520kg
A large excavator for bulk earthmoving and quarry-scale digging rather than site groundworks. Contractors hire it for big-volume dig and load jobs where a mid-size machine would be too slow.
Listed by
- Daly Plant Hire Ltd - Tadworth, Kingswood
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 352F and the Komatsu D51PX?
The Caterpillar 352F is the bigger machine by 101,520kg. The Caterpillar 352F is a large hydraulic excavator; the Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class.
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