Head to head
Bomag BW 120 AD-5 vs Caterpillar D3
The Caterpillar D3 is the bigger machine by 6,612kg and has 53kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D3 is the bigger machine by 6,612kg.
- Engine power: the Caterpillar D3 has 53kW more power.
Specifications side by side
| Bomag BW 120 AD-5 | Caterpillar D3 | |
|---|---|---|
| Operating weight | 2,750kg | 9362kg (20,640lb) |
| Engine power | 24.6kW | 77.6kW (104hp) |
| Blade capacity | - | 2.19m3, or 2.34m3 with LGP tracks |
| Engine | - | Cat C3.6 |
Sources: Bomag BW 120 AD-5, Caterpillar D3. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the BW 120 AD-5 if...
A compact double-drum roller for groundworks and surfacing contractors compacting asphalt or granular sub-base on driveways, footpaths and small resurfacing jobs. Its articulated frame keeps it manoeuvrable on confined sites.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Buy or hire the D3 if...
- you want one that is the bigger machine by 6,612kg
- you want one that has 53kW more power
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
Common questions
What is the difference between the Bomag BW 120 AD-5 and the Caterpillar D3?
The Caterpillar D3 is the bigger machine by 6,612kg and has 53kW more power. The Bomag BW 120 AD-5 is a 1.2 tonne class light tandem roller; the Caterpillar D3 is a small crawler dozer.
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