Head to head
Bomag BW 120 AD-5 vs Caterpillar D4K2
The Caterpillar D4K2 is the bigger machine by 5,418kg and has 44kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D4K2 is the bigger machine by 5,418kg.
- Engine power: the Caterpillar D4K2 has 44kW more power.
Specifications side by side
| Bomag BW 120 AD-5 | Caterpillar D4K2 | |
|---|---|---|
| Operating weight | 2,750kg | 8,168kg (XL) / 8,476kg (LGP) |
| Engine power | 24.6kW | 92hp (68.8kW), Cat C4.4 ACERT |
| Blade capacity | - | 1.98m3 (XL) / 1.85m3 (LGP) |
| Ground pressure | - | 38.6kPa (XL) / 29.2kPa (LGP) |
Sources: Bomag BW 120 AD-5, Caterpillar D4K2. 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 D4K2 if...
- you want one that is the bigger machine by 5,418kg
- you want one that has 44kW more power
Cat's smallest crawler dozer, used for grading, site clearance and landscaping where a larger machine would be too heavy or too wide. The LGP undercarriage option suits soft or wet ground.
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 D4K2?
The Caterpillar D4K2 is the bigger machine by 5,418kg and has 44kW more power. The Bomag BW 120 AD-5 is a 1.2 tonne class light tandem roller; the Caterpillar D4K2 is a small crawler dozer.
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