Head to head
Caterpillar D3 vs JCB 25Z-1
The Caterpillar D3 has 59kW more power and is the bigger machine by 6,812kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D3 has 59kW more power.
- Operating weight: the Caterpillar D3 is the bigger machine by 6,812kg.
Specifications side by side
| Caterpillar D3 | JCB 25Z-1 | |
|---|---|---|
| Operating weight | 9362kg (20,640lb) | 2550 kg |
| Engine power | 77.6kW (104hp) | 18.4 kW |
| Blade capacity | 2.19m3, or 2.34m3 with LGP tracks | - |
| Engine | Cat C3.6 | - |
| Dig depth | - | 2.82 m |
| Dump height | - | 3 m |
Sources: Caterpillar D3, JCB 25Z-1. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D3 if...
- you want one that has 59kW more power
- you want one that is the bigger machine by 6,812kg
Caterpillar's smallest crawler dozer, used for fine grading, landscaping and confined-site work where a full-size dozer won't fit. Common in UK plant hire fleets alongside mini excavators.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the 25Z-1 if...
Used by hire firms and small contractors for patios, drainage, footings and work next to walls and fences where a zero-tailswing machine is needed. Sits in the weight class that can be towed on a trailer in restricted regions.
Full 25Z-1 specifications →Common questions
What is the difference between the Caterpillar D3 and the JCB 25Z-1?
The Caterpillar D3 has 59kW more power and is the bigger machine by 6,812kg. The Caterpillar D3 is a small crawler dozer; the JCB 25Z-1 is a 2.5 tonne zero-tailswing mini excavator.
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