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Comacchio GEO 900 vs Hitachi ZX135USB-7

The Comacchio GEO 900 is a crawler-mounted multipurpose drilling rig. The Hitachi ZX135USB-7 is a 13 tonne zero tail swing crawler excavator.

Last reviewed 13 September 2026

GEO 900
Comacchio GEO 900
Hitachi ZX135USB-7
Hitachi ZX135USB-7 - image: Hitachi Construction Machinery

Specifications side by side

Comacchio GEO 900Hitachi ZX135USB-7
Engine power126-180kW (169-240hp)74kW (ISO14396) / 73kW (ISO9249)
Weight16-18 tonnes-
Torque range1,300-1,520 daNm-
Feed stroke4,000-7,000mm-
Operating weight-13,800 - 16,000kg

Sources: Comacchio GEO 900, Hitachi ZX135USB-7. 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

Full GEO 900 specifications →

Buy or hire the ZX135USB-7 if...

Built for sites with tight working margins - roadside, urban and confined yards - where a swinging counterweight would foul walls, parked vehicles or passing traffic. Popular with utility and demolition contractors working close to structures.

Listed by

Full ZX135USB-7 specifications →

Common questions

What is the difference between the Comacchio GEO 900 and the Hitachi ZX135USB-7?

The Comacchio GEO 900 is a crawler-mounted multipurpose drilling rig; the Hitachi ZX135USB-7 is a 13 tonne zero tail swing crawler excavator.

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