Head to head
Caterpillar D3 vs Caterpillar D6N
The Caterpillar D6N is the bigger machine by 7,395kg and has 46kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D6N is the bigger machine by 7,395kg.
- Engine power: the Caterpillar D6N has 46kW more power.
Specifications side by side
| Caterpillar D3 | Caterpillar D6N | |
|---|---|---|
| Operating weight | 9362kg (20,640lb) | 16757kg (36,943lb) |
| Engine power | 77.6kW (104hp) | 124kW (166hp) at 1800rpm |
| Blade capacity | 2.19m3, or 2.34m3 with LGP tracks | 3.90m3 (LGP VPAT) to 4.30m3 (XL SU) |
| Engine | Cat C3.6 | Cat C7.1 ACERT |
Sources: Caterpillar D3, Caterpillar D6N. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D3 if...
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 D6N if...
- you want one that is the bigger machine by 7,395kg
- you want one that has 46kW more power
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
Common questions
What is the difference between the Caterpillar D3 and the Caterpillar D6N?
The Caterpillar D6N is the bigger machine by 7,395kg and has 46kW more power. The Caterpillar D3 is a small crawler dozer; the Caterpillar D6N is a medium crawler dozer.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.