VIA 20 gets in the sidings for its brother ,the 21...6314 was rebuilt from FPA9 6527,the engine upgraded to 645,expension tank added on the cooling system,batteries relocated from the nose to a new batt box on the underframe near the fuel tank and many other mods.6314 and 6310 derailed in a wash-out in the La Tuque sub in 93 and were retired.