Head to head
Caterpillar D6N vs Kubota U55-4
The Caterpillar D6N has 90kW more power and is the bigger machine by 11,357kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D6N has 90kW more power.
- Operating weight: the Caterpillar D6N is the bigger machine by 11,357kg.
Specifications side by side
| Caterpillar D6N | Kubota U55-4 | |
|---|---|---|
| Operating weight | 16757kg (36,943lb) | 5400kg |
| Engine power | 124kW (166hp) at 1800rpm | 46PS |
| Blade capacity | 3.90m3 (LGP VPAT) to 4.30m3 (XL SU) | - |
| Engine | Cat C7.1 ACERT | - |
Sources: Caterpillar D6N, Kubota U55-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D6N if...
- you want one that has 90kW more power
- you want one that is the bigger machine by 11,357kg
A mid-size dozer used for earthmoving, site clearance and haul road maintenance. The VPAT blade option lets one machine angle, tilt and pitch for grading as well as straight pushing.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the U55-4 if...
A midi excavator for groundworks, utilities and landscaping contractors. At 5.4 tonnes it arrives on a lorry rather than behind a car.
Listed by
- Yorkshire Plant Sales - Wakefield, Leeds
Common questions
What is the difference between the Caterpillar D6N and the Kubota U55-4?
The Caterpillar D6N has 90kW more power and is the bigger machine by 11,357kg. The Caterpillar D6N is a medium crawler dozer; the Kubota U55-4 is a midi excavator, 3 to 6 tonnes.
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