Originally posted by UrS4boy
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Left: 01E 311 257 F
Right: 01E 311 257 D
The issue was with the 1st gear on the mainshaft part, I agree. The picture just illustrated how much wider the wide gear is.
As you can see from the picture both gears (311 257) are without visible damage. The mainshaft on CMG was damaged because of the pictured gear beeing narrow type. The gear surface has eroded away compared to the Mainshaft on DQT witch is really good looking.
AFAIK the 1st gear part on mainshaft was nearly the same width, or slightly narrower. I did compare mainshafts, but forgot to take the picture of them side by side or exact measurements (i remember them beeing the same width, but i can't guarantee it).
CMG Mainshaft
DQT Mainshaft
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