History
1995
Gerd Zwiehoff founds the G. Zwiehoff GmbH and – needless to say – distributes the road/rail Unimog
1996
the product range is being extended by a road/rail Sprinter
1998
special customer requests are already being catered to
2000
Unimog-implement-system-partnership by Daimler AG and system implementation U400
2007
major contract comprising 66 Unimogs for Kazakhstan
2010
development of the road/rail electric shunter ROTRAC E2 in cooperation with Linde MH
2011
the ROTRAC RR is being added to the product range
2012
Areceipt of the ÖkoGlobe award for the ROTRAC E2
2013
development of the ROTRAC E4
2014
Stephan Zwiehoff enters into the management of G. Zwiehoff GmbH
service facility in Steinach is being opened
2016
development of Zwiehoff’s own rail guidance system for the Unimog U423
2017
farewell of company founder Gerd Zwiehoff
2019
new workshop in Niedermoosen (south Bavaria) is being opened
2020
obtainment of ECM certification
2021
implementation of environmental management according to ISO 14001
2022
awarding bronze medal at EcoVadis
