Head to head
Caterpillar D3 vs Niftylift HR15 4x4
The Caterpillar D3 is the bigger machine by 4,862kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D3 is the bigger machine by 4,862kg.
Specifications side by side
| Caterpillar D3 | Niftylift HR15 4x4 | |
|---|---|---|
| Operating weight | 9362kg (20,640lb) | 4,500kg diesel, 4,800kg hybrid, stated as minimum |
| Engine power | 77.6kW (104hp) | - |
| Blade capacity | 2.19m3, or 2.34m3 with LGP tracks | - |
| Engine | Cat C3.6 | - |
| Working height | - | 15.7m (51ft 6in) |
| Working outreach | - | 9.4m (31ft) |
| Platform capacity | - | 225kg |
Sources: Caterpillar D3, Niftylift HR15 4x4. 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 is the bigger machine by 4,862kg
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 HR15 4x4 if...
A British-built boom lift favoured by hire fleets for its narrow 2m width and tight turning circle, which let it reach working heights that normally require a much larger machine on a more constrained site. The flexible boom design allows working up and over obstacles.
Full HR15 4x4 specifications →Common questions
What is the difference between the Caterpillar D3 and the Niftylift HR15 4x4?
The Caterpillar D3 is the bigger machine by 4,862kg. The Caterpillar D3 is a small crawler dozer; the Niftylift HR15 4x4 is a self-propelled articulating boom lift.
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