TEP80 is a Soviet diesel locomotive produced in 1988-1989. Only two locomotives of this model were built. The second of which TEP80-0002 claims to hold the world speed record for a diesel railed vehicle having reached 271 km/h on 5 October 1993 however this has was not confirmed by independent witnesses (The current official diesel speed record is held by British Rail Class 43 (HST). The record breaking locomotive is now situated in the Museum of Railway Machinery, former Varshavsky Rail Terminal, Saint Petersburg.
Inscription on the body of TEP80-0002 says: 271 km/h speed record for diesel locomotives was achieved
The principal designer was V. Khlebnikov; the locomotive utilised an 8-axle articulated design within a single locomotive body, two sets of main bogies each of four axles articulated in a Bo-Bo arrangement.