Brian........surprizingly enuff, generators run HOT (ittza electrical thing) ...but... NOT burnie-burnie HOT. Before you haul yer 6-volt genny into real generator repair shop. RE-POLARIZE yer genny. With the tractor OFF, arc-spark the side-by-side ARM and BAT connections together on yer squarecan voltage regulator under yer oil pressure gauge. Me? I use a stubby wideblade screwdriver. You can use bailin'warr iff'n you want. Now start yer tractor and watch yer amp-meter over yer left kneesie. You should gitt about 3-5 amps charge (+) at about 1/3-throttle. Unlike 12V-alternators in yer automobile, 6-volt gennys do NOT CHARGE at idle.
Remember, you do NOT WANT high charge (+) after the initial surge of amps 'cuz you'll BOIL all yer battery ACID out and WARP yer lead plates and haffta buy a NEW 6-volt battery. .......the charged Dell