Head to head
Bobcat S450 vs Komatsu D51PX
The Komatsu D51PX is the bigger machine by 11,815kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Komatsu D51PX is the bigger machine by 11,815kg.
Specifications side by side
| Bobcat S450 | Komatsu D51PX | |
|---|---|---|
| Operating weight | 2365kg | 14,180kg |
| Rated operating capacity | 608kg (ISO 14397-1) | - |
| Engine power | 35.9kW rated (48.1kW max, Kubota V2403 diesel) | - |
| Lift height | 2.8m | - |
| Tipping load | 1215kg | - |
| Class | - | 14 tonne |
Sources: Bobcat S450, Komatsu D51PX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the S450 if...
Bobcat's entry-level skid steer, small enough for tight domestic and groundworks sites but still able to run a full range of buckets and attachments. Plant hire fleets keep it as their smallest skid steer for jobs a mini digger cannot reach.
Listed by
- JMP Plant Hire Essex - Ingatestone, Norton Heath
Buy or hire the D51PX if...
- you want one that is the bigger machine by 11,815kg
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 S450 and the Komatsu D51PX?
The Komatsu D51PX is the bigger machine by 11,815kg. The Bobcat S450 is a compact skid steer loader; the Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class.
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