I have a 69 110 round fender. Runs like a champ! The Variator adjustment is a pain to get right but once you do its a pulling beast especially in 1st. We pull around a 4,000lb 23' Tri-toon and trailer and it doesn't even know its there. They sure don't make them today like they did back then. With 50+ years behind them... Parts are hit or mis.