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Dave, I have absolutely NO experience with that particular tractor. However, typical of those type charging systems is a series of Stator coil windings in which AC voltage is induced by the passing of a magnet on the flywheel (Rotor). The net 2 output wires of that formed alternator lead to the 2 input wires on the rectifier block and since AC is involved, polarity or wire color or connections of the alternator to the rectifier shouldnt make a difference. A basic test to show if the sum of the alternators stator windings are good is to use an ohmmeter to see if ONE continuity exists in the windings and TWO if neither lead end is shorted to frame. If theres no continuity theres a problem or if either end shows short to ground theres a problem (could produce heat), otherwise theres a good chance the alternator is okay and especially if at RPM somewhere around 20 to 30 volts AC appears across the alternators windings. Then the rectifier block must produce pulsing DC voltage in the 13 and 14 volt range to charge the battery. Heat can develop at bad wiring connections due to the formation of resistive carbon or heat may develop at arcing frame shorts etc. Check the alternators continuity,,,,, for no alternator windings shorts to frame,,,,, ,,,,check all the connections,,,,, ,and let us know what happens. Good Luck n God Bless John T
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