Head to head
Case Construction Equipment 221F vs Komatsu D51PX
The Komatsu D51PX is the bigger machine by 8,489kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Komatsu D51PX is the bigger machine by 8,489kg.
Specifications side by side
| Case Construction Equipment 221F | Komatsu D51PX | |
|---|---|---|
| Operating weight | 5,691kg | 14,180kg |
| Engine power | 55kW (74hp) | - |
| Class | - | 14 tonne |
Sources: Case Construction Equipment 221F, Komatsu D51PX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 221F if...
A compact wheeled loading shovel used for yard work, muck-away and material handling on smaller sites. Its size suits jobs too tight for a full-size wheel loader but too heavy for a skid steer.
Listed by
- Baz plant Sales agricultural plant and machinery dealer - Chesterfield
Buy or hire the D51PX if...
- you want one that is the bigger machine by 8,489kg
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 Case Construction Equipment 221F and the Komatsu D51PX?
The Komatsu D51PX is the bigger machine by 8,489kg. The Case Construction Equipment 221F is a compact wheel loader; the Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class.
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