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New Road-Rail Mini-Excavator 8TRR

The new caterpillar tracked road-rail mini-excavator 8TRR is the latest vehicle of the UNAC's railway technology. Its small size, its vivacity, its extrem robustness, added to its boom leg rotation make up of it a perfect machine for rail work in confined or urban area. It's able of impressive lifting capacities regarding to its size and can also be equipped with a wide range of railway adapted tools. Its exclusiv system UNAC SMART-CS highly improve the security  by controlling, electronically and mechanically, the movements of the boom, avoiding to engage the next track gage and to get into the catenaries area.

UNAC @ INNOTRANS 2012


By taking part from 18th to 21st of September at INNOTRANS 2012, the European railroad industry fair of reference, UNAC confirmed its worldwide visibility.

The Company shown 4 of its Road/Rail vehicles including 2 exclusivities and made thus sure of having a perfect place right in the heart of hall 25 and 26, dedicated to railroad infrastructure.
This week was very rich in contacts and opportunities.

Besides all the people that we have met, UNAC wants to warmly thanks its privileged customers, i.e.  TSO Caténaires, COLAS Rail and EIFFAGE Rail, for having the kindness to show their own UNAC machines, and particulary EIFFAGE Rail for having set the rail track panels.

UNAC on EUROSATORY fair at Paris

Focused on military products at Eurosatory fair, Paris. UNAC unveiled in exclusivity its new air-droppable bulldozer as well as the EGAME, the multi-purpose wheeled-dozer.

Thanks a lot to our very important visitors for coming to our stand.

UNAC at TARGI KIELCE fair in Poland

On the occasion of TARGI KIELCE fair, UNAC showed its road-rail excavator UNAC 22TRR. Visitors, impressed by the high level of technology, by the excavator power, by the short tail swing and by its elegance, were coming in mass to take information and pictures.

Quality by UNAC has been highlighted in this International Fair. Thanks a lot for coming to our stand and discover or see again the UNAC road-rail excavator.

UNAC at INTERMAT fair in France

UNAC 22TRR road-rail excavator could show all of its lifting and earthwork capacities on the rail tracks as well as on road.

UNAC thanks the companies TSO Catenaires, COLAS Rail, ENGCON and CATERPILLAR for permitting the show of two road-rail excavators.

UNAC on the Fairs in 2012

  • from 18th to 21 of September, 2012: INNOTRANS fair at Berlin, Germany - International fair for the Railway Industry: UNAC will expose 4 of its road-rail vehicles: the X6, all-terrain road-rail lifting platform, the famous UNAC 22TRR, and two new vehicles exclusively at InnoTrans: the UNAC 20TRR excavator with a new systeme UNAC-SMARTCS, and UNAC 8TRR mini-excavator, road-rail vehicle with rubber tracks. Come and see the new vehicles on the outside stand UNAC FA/27.

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UNAC's new large capacity ROAD-RAIL excavator

Our satisfied customers


With more than 30 excavators already sold to customers, the large majority of which are certified to travel on the French rail network, the success of the new UNAC 22TRR road-rail excavator is assured.


View the 22TRR product page for more information.