Head to head
Bobcat E17z vs Komatsu D51PX
The Komatsu D51PX is the bigger machine by 12,468kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Komatsu D51PX is the bigger machine by 12,468kg.
Specifications side by side
| Bobcat E17z | Komatsu D51PX | |
|---|---|---|
| Operating weight | 1712kg | 14,180kg |
| Dig depth | 2230mm | - |
| Engine power | 10.1kW | - |
| Breakout force | 11.92kN | - |
| Class | - | 14 tonne |
Sources: Bobcat E17z, Komatsu D51PX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the E17z if...
The 1.5 tonne class is the busiest size in UK hire fleets. At 1,712kg it goes on a braked plant trailer behind a large 4x4 or pickup, and digs to 2230mm for footings, drainage runs and fence posts. Zero tail swing means the back of the machine stays inside the tracks when it slews, so it can work tight against a wall or in one lane of a road.
Listed by
- Compact Plant Sales - Farnham
- HG Plant Sales - Maldon, Langford
Buy or hire the D51PX if...
- you want one that is the bigger machine by 12,468kg
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 Bobcat E17z and the Komatsu D51PX?
The Komatsu D51PX is the bigger machine by 12,468kg. The Bobcat E17z is a 1.5 tonne class mini excavator, zero tail swing; the Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class.
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