Head to head
Caterpillar D4K2 vs Caterpillar D6N
The Caterpillar D6N is the bigger machine by 8,589kg and has 55kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D6N is the bigger machine by 8,589kg.
- Engine power: the Caterpillar D6N has 55kW more power.
Specifications side by side
| Caterpillar D4K2 | Caterpillar D6N | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | 16757kg (36,943lb) |
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | 124kW (166hp) at 1800rpm |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | 3.90m3 (LGP VPAT) to 4.30m3 (XL SU) |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Engine | - | Cat C7.1 ACERT |
Sources: Caterpillar D4K2, Caterpillar D6N. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D4K2 if...
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
Buy or hire the D6N if...
- you want one that is the bigger machine by 8,589kg
- you want one that has 55kW 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 D4K2 and the Caterpillar D6N?
The Caterpillar D6N is the bigger machine by 8,589kg and has 55kW more power. The Caterpillar D4K2 is a small crawler dozer; the Caterpillar D6N is a medium crawler dozer.
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