Originally Posted by ViViDThoughts
Well after more research it seems this may be a 79 or at least the motor is from a 79 "AE50A3" is the model number i found on the motor.
Nice sled for it's time! Things to check, cleats not worn through, wiggle the primary to see if the pto bearimg is good, check the jackshaft bearing for excessive play too had one should have kept it!! Good luck Wkisczman