Reply to "Overheating Bridge Rectifier on TAS SAW Board"

Ted, I totally forgot about the different length of the worms on the MTH Mabuchi motors used in diesels. Luckly they are easily identified.   I have to state I have not seen every MTH motor and the worm on them but I have seen a bunch and the only difference I find on the ones I've seen is the length of the worm. The worm wheels they mate with are all the same diameter and pitch. Of those I have seen the motors used in the 3 axle trucks have the long worm. Two axle trucks have the short worm.  Ralph make us a photo of your motors while out and lets see the worm. I have not seen the ones in SD45s.  Attached photos of GP-9 truck and motor and a Alco DL-110 truck and motor. I see the point in buying new motors however if I had to re-motor a 5 year old loco no doubt I would put new motors in it. But Ralphs SD45 is over twenty years old and if I could get a couple of used guaranteed motors for the price of one new one, or less, I'd likely do so.          j