Head to head
Caterpillar D6N vs Mecalac 9MDX
The Mecalac 9MDX has 430kW more power. The Caterpillar D6N is the bigger machine by 11,442kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Mecalac 9MDX has 430kW more power.
- Operating weight: the Caterpillar D6N is the bigger machine by 11,442kg.
Specifications side by side
| Caterpillar D6N | Mecalac 9MDX | |
|---|---|---|
| Operating weight | 16757kg (36,943lb) | 5315 kg (11718 lb) to 5715 kg (12600 lb) |
| Engine power | 124kW (166hp) at 1800rpm | 55,4 kW (74 hp) |
| Blade capacity | 3.90m3 (LGP VPAT) to 4.30m3 (XL SU) | - |
| Engine | Cat C7.1 ACERT | - |
| Payload | - | 9000 kg |
| Travel speed | - | 25 km/h |
Sources: Caterpillar D6N, Mecalac 9MDX. 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 is the bigger machine by 11,442kg
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 9MDX if...
- you want one that has 430kW more power
A 9 tonne dumper with a fully enclosed ROPS/FOPS cab for bulk earthmoving, civils and road works on UK sites. Available with front tip or swivel skip.
Full 9MDX specifications →Common questions
What is the difference between the Caterpillar D6N and the Mecalac 9MDX?
The Mecalac 9MDX has 430kW more power. The Caterpillar D6N is the bigger machine by 11,442kg. The Caterpillar D6N is a medium crawler dozer; the Mecalac 9MDX is a 9 tonne cabbed site dumper.
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