Head to head
Comacchio GEO 900 vs JCB 35Z-1
The Comacchio GEO 900 is a crawler-mounted multipurpose drilling rig. The JCB 35Z-1 is a 3.5 tonne zero-tailswing mini excavator.
Last reviewed 13 September 2026
Specifications side by side
| Comacchio GEO 900 | JCB 35Z-1 | |
|---|---|---|
| Engine power | 126-180kW (169-240hp) | 18.4 kW |
| Weight | 16-18 tonnes | - |
| Torque range | 1,300-1,520 daNm | - |
| Feed stroke | 4,000-7,000mm | - |
| Operating weight | - | 3556 kg |
| Dig depth | - | 3.48 m |
| Dump height | - | 3.53 m |
Sources: Comacchio GEO 900, JCB 35Z-1. 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 35Z-1 if...
A common step up from the 2 to 3 tonne diggers for house foundations, utility trenching and landscaping on tight urban sites. Zero tailswing lets it slew close to walls and traffic.
Full 35Z-1 specifications →Common questions
What is the difference between the Comacchio GEO 900 and the JCB 35Z-1?
The Comacchio GEO 900 is a crawler-mounted multipurpose drilling rig; the JCB 35Z-1 is a 3.5 tonne zero-tailswing mini excavator.
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