Head to head
Comacchio GEO 900 vs Hitachi ZX85USB-6
The Comacchio GEO 900 is a crawler-mounted multipurpose drilling rig. The Hitachi ZX85USB-6 is a 8.4-9.1 tonne zero tail swing crawler excavator.
Last reviewed 13 September 2026
Specifications side by side
| Comacchio GEO 900 | Hitachi ZX85USB-6 | |
|---|---|---|
| Engine power | 126-180kW (169-240hp) | 42.4kW |
| Weight | 16-18 tonnes | - |
| Torque range | 1,300-1,520 daNm | - |
| Feed stroke | 4,000-7,000mm | - |
| Operating weight | - | 8,430 - 9,060kg |
| Dig depth | - | 3,910 - 4,510mm |
Sources: Comacchio GEO 900, Hitachi ZX85USB-6. 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 ZX85USB-6 if...
A popular hire-fleet size for groundworkers and utility contractors who need more reach and dig depth than a mini excavator but still want a zero-swing tail for working close to walls and other plant. Common on drainage and footing jobs on housing sites.
Listed by
- Red Plant Sales Ltd - Colchester, Frating
- McGovern Plant Hire - Hounslow, Cranford
Common questions
What is the difference between the Comacchio GEO 900 and the Hitachi ZX85USB-6?
The Comacchio GEO 900 is a crawler-mounted multipurpose drilling rig; the Hitachi ZX85USB-6 is a 8.4-9.1 tonne zero tail swing crawler excavator.
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