Head to head
Mecalac 9MDX vs Yanmar ViO17
The Mecalac 9MDX has 544kW more power and is the bigger machine by 3,485kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Mecalac 9MDX has 544kW more power.
- Operating weight: the Mecalac 9MDX is the bigger machine by 3,485kg.
Specifications side by side
| Mecalac 9MDX | Yanmar ViO17 | |
|---|---|---|
| Operating weight | 5315 kg (11718 lb) to 5715 kg (12600 lb) | 1,830 kg |
| Engine power | 55,4 kW (74 hp) | 10.1 kW at 2,200 rpm |
| Payload | 9000 kg | - |
| Travel speed | 25 km/h | - |
| Dig depth | - | 2,410 mm (blade lowered); 2,310 mm (blade lifted) |
Sources: Mecalac 9MDX, Yanmar ViO17. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 9MDX if...
- you want one that has 544kW more power
- you want one that is the bigger machine by 3,485kg
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 →Buy or hire the ViO17 if...
The Yanmar ViO17 is a true zero tail swing mini excavator built for working tight to walls, fences and parked vehicles without the counterweight overhanging, a common requirement on UK residential and urban groundworks jobs. It sits in the same roughly 1.7-1.9 tonne hire class as the Takeuchi TB216 and Kubota KX019-4. Yanmar's compact equipment range is less widely stocked across UK hire fleets than Kubota or JCB, but it has a following among contractors who rate its digging force for its size.
Full ViO17 specifications →Common questions
What is the difference between the Mecalac 9MDX and the Yanmar ViO17?
The Mecalac 9MDX has 544kW more power and is the bigger machine by 3,485kg. The Mecalac 9MDX is a 9 tonne cabbed site dumper; the Yanmar ViO17 is a a 1.8 tonne true zero tail swing mini excavator.
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