Hi i have a 1970 Michigan 125a wheel loader rear wheel steer. machine started moving sluggish so I changed and checked the trans fluid, didn't seem to do much. then one day i went to move the machine and would not move. The drive shaft between the torque converter and transmission would spin in neutral when revved up a bit then when put in low range forward or reverse machine would try to move a tiny bit drive shaft would slow down and stop instantly. when in high gear machine wont even budge. With machine in neutral running i can step on the drive shaft between converter and trans and stop it from spinning. I did remove a fill plug on top of the converter housing and fill it with fluid did nothing. Wondering if converter went out or converter transfer pump went out. i know the 175a loaders have an external converter transfer pump on the front of the converter housing but my 125a does not. king of stumped at this point not sure if i can find parts if i do need. help appreciated.
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