Head to head
Comacchio GEO 900 vs Stephill SSD6000S
The Comacchio GEO 900 is a crawler-mounted multipurpose drilling rig. The Stephill SSD6000S is a 6 kva super silent diesel generator on a two-wheel site trolley.
Last reviewed 13 September 2026
Specifications side by side
| Comacchio GEO 900 | Stephill SSD6000S | |
|---|---|---|
| Weight | 16-18 tonnes | 210 KG |
| Engine power | 126-180kW (169-240hp) | - |
| Torque range | 1,300-1,520 daNm | - |
| Feed stroke | 4,000-7,000mm | - |
| Output | - | 6.0kVA / 4.8kW |
| Engine | - | Yanmar L100V (EU Stage V) |
| Fuel tank | - | 24.0 Litres |
| Noise level | - | 60dBA @ 7 metres |
Sources: Comacchio GEO 900, Stephill SSD6000S. 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 SSD6000S if...
Light, quiet site generator for small crews, tool power and welfare use. The trolley makes it easy to move around site. The figures below are from the maker's own page.
Full SSD6000S specifications →Common questions
What is the difference between the Comacchio GEO 900 and the Stephill SSD6000S?
The Comacchio GEO 900 is a crawler-mounted multipurpose drilling rig; the Stephill SSD6000S is a 6 kVA super silent diesel generator on a two-wheel site trolley.
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