The VL 11 and 12 are three-axle locomotives without running wheels, which were built by the MaK company under the designation 240 C in the 1950s and 1960s for private and industrial railways. The locomotives were built by Mak from 1954/55 together with their two-axle sister (240 B).

Our locomotives were delivered in 1958 as VL 11 and 12 to the Gelnhäuser Kreisbahnen in Wächtersbach and later transferred to the Kreiswerke Gelnhausen GmbH, Verkehrsbetrieb Bad Orb and the Bad Orber Kleinbahn. There they commuted from Wächtersbach to Bad Orb with the reversible train carriages 19 and 20 (type B4fyl). In 1997, the carriages were transferred to our museum.