Head to head
Caterpillar D4K2 vs Mecalac 9MDX
The Mecalac 9MDX has 485kW more power. The Caterpillar D4K2 is the bigger machine by 2,853kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Mecalac 9MDX has 485kW more power.
- Operating weight: the Caterpillar D4K2 is the bigger machine by 2,853kg.
Specifications side by side
| Caterpillar D4K2 | Mecalac 9MDX | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | 5315 kg (11718 lb) to 5715 kg (12600 lb) |
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | 55,4 kW (74 hp) |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Payload | - | 9000 kg |
| Travel speed | - | 25 km/h |
Sources: Caterpillar D4K2, Mecalac 9MDX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D4K2 if...
- you want one that is the bigger machine by 2,853kg
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 9MDX if...
- you want one that has 485kW 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 D4K2 and the Mecalac 9MDX?
The Mecalac 9MDX has 485kW more power. The Caterpillar D4K2 is the bigger machine by 2,853kg. The Caterpillar D4K2 is a small crawler dozer; the Mecalac 9MDX is a 9 tonne cabbed site dumper.
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