Head to head
Comacchio GEO 900 vs Yanmar ViO57-6B
The Comacchio GEO 900 is a crawler-mounted multipurpose drilling rig. The Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.
Last reviewed 13 September 2026


Specifications side by side
| Comacchio GEO 900 | Yanmar ViO57-6B | |
|---|---|---|
| Engine power | 126-180kW (169-240hp) | 33,5 kW (at 2200 rpm) |
| Weight | 16-18 tonnes | - |
| Torque range | 1,300-1,520 daNm | - |
| Feed stroke | 4,000-7,000mm | - |
| Operating weight | - | 5485 kg |
| Breakout force | - | 41,9 kN |
| Fuel tank | - | 66 l |
Sources: Comacchio GEO 900, Yanmar ViO57-6B. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GEO 900 if...
A crawler-mounted rig for geotechnical investigation, water well and geothermal drilling, adaptable to several drilling methods on the same base machine. Ground investigation and specialist drilling contractors hire it rather than general groundworks firms.
Listed by
- ChapmanPlant - Bristol, Iron Acton
Buy or hire the ViO57-6B if...
A 5 to 6 tonne zero-tail swing digger for civils and groundworks contractors on deeper trenching, pipe laying and loading. Hire fleets use it where space is tight but a bigger machine is needed.
Full ViO57-6B specifications →Common questions
What is the difference between the Comacchio GEO 900 and the Yanmar ViO57-6B?
The Comacchio GEO 900 is a crawler-mounted multipurpose drilling rig; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.
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