Unimog Aircraft Tractor 1987 flight2000it 6 years ago Unimog Aircraft Tractor 1987Filmed in the mid 1980s. The Unimog 406-120 aircraft tractor, was used to tow Harrier jets when deployed into the forests of West Germany. – FS2004/FSX Unimog– FS2004 Rescue Plus Emergency Vehicles– FS2002 Air Tractor AT-301