johnjnr Posted April 30, 2022 Report Share Posted April 30, 2022 Hi, I've been trying to find the size of the fan belt on my 1940, D15 (plymouth) RHD Dodge Coupe. If anyone can help I would appreciate it. The one i have appears to be very slack when fitted and there was no adjustment left on the dynamo bracket. I have a Gates B47.MN 17x1205LI, if that means anything to anyone. I am in England so don't have easy access to all the American suppliers but can order one on line if needed. Thanks 1 Quote Link to comment Share on other sites More sharing options...
sidevalvepete Posted April 30, 2022 Report Share Posted April 30, 2022 Take the belt you have to a good parts shop or probably even an engineering supplier and they can measure/compare your belt and give you the next size or two down. Quote Link to comment Share on other sites More sharing options...
desoto1939 Posted May 1, 2022 Report Share Posted May 1, 2022 refer to the attached lisiting this will help you. Rich Hartung Desoto1939@aol.com Fan belts.docx 1 Quote Link to comment Share on other sites More sharing options...
9 foot box Posted May 1, 2022 Report Share Posted May 1, 2022 Tod Fitch has a site, ply33.com. It says that a B47 belt is used. Newer belts are narrower than original. I would look for a 49” belt, because it fits deeper in the pulley. A B46 Gates or NAPA. The belt should be at least 3/8” thick, so it doesn’t twist in the pulley. I realize your Dodge, but a lot of things are similar at that site. Quote Link to comment Share on other sites More sharing options...
johnjnr Posted May 1, 2022 Author Report Share Posted May 1, 2022 Thanks guys for your help. Quote Link to comment Share on other sites More sharing options...
desoto1939 Posted May 2, 2022 Report Share Posted May 2, 2022 you will have a 3/4 wide v belt that is 49 inches outside measurement. rich Quote Link to comment Share on other sites More sharing options...
andyd Posted May 3, 2022 Report Share Posted May 3, 2022 John, the other guys have helped you re the fanbelt size...all I can offer is what a great car, I'm particularly smitten with D15 Dodges having had my Oz 4dr for 50 yrs.........if ever you decide to part with the coupe give me a call.........seriously.........61 02 6642 5963......lol.........Andy Douglas Quote Link to comment Share on other sites More sharing options...
johnjnr Posted May 10, 2022 Author Report Share Posted May 10, 2022 Andyd, If i ever consider letting it go i will let you know. Quote Link to comment Share on other sites More sharing options...
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