FM-X4B3, X4B3. B, BE, B15, C, CE, R, RC, W, WD, WF, W2, UM. when equipped with Fairbanks Morse magneto number.

FM-X4B3, X4B3. B, BE, B15, C, CE, R, RC, W, WD, WF, W2, UM. when equipped with Fairbanks Morse magneto number.