The GU 240 M18 (= “Regular bus with underfloor engine, 240 hp and 18 m long”) is an Austrian custom construction by ÖAF Gräf&Stift and Steyr-Daimler-Puch for Wiener Linien.
The last scheduled tour of the GU 240 in regular service for Wiener Linien took place on line 23A on 07 April 2006.
Note:
In order to run this addon, the final version (v.: 1.10) of the "OMSI Add-on Vienna - The High Floor Bus LU 200" has to be installed.This DLC is an optional DLC and can be enabled by right clicking on the game -> "View Downloadable Content".