Head to head
Comacchio GEO 900 vs Iseki TF321F
The Comacchio GEO 900 is a crawler-mounted multipurpose drilling rig. The Iseki TF321F is a 4wd compact tractor.
Last reviewed 13 September 2026
Specifications side by side
| Comacchio GEO 900 | Iseki TF321F | |
|---|---|---|
| Engine power | 126-180kW (169-240hp) | 21HP |
| Weight | 16-18 tonnes | - |
| Torque range | 1,300-1,520 daNm | - |
| Feed stroke | 4,000-7,000mm | - |
| Drive | - | 4WD |
Sources: Comacchio GEO 900, Iseki TF321F. 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 TF321F if...
A small 4WD compact tractor aimed at smallholdings, paddocks and estate grounds work rather than full-scale farming. Its low power puts it alongside garden and topper attachments, not ploughing or heavy haulage.
Listed by
- Baz plant Sales agricultural plant and machinery dealer - Chesterfield
Common questions
What is the difference between the Comacchio GEO 900 and the Iseki TF321F?
The Comacchio GEO 900 is a crawler-mounted multipurpose drilling rig; the Iseki TF321F is a 4WD compact tractor.
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