Allison MD3066, Transmission ECMs, (GOOD USED) 2003 Allison MD3066 TCM Part # 29541227, e11, 020911, Model No. WT3ECU911A, ECU +CAL ASSY ECB00B3U, Model CIN # 0F00B3U005U, GOV RPM 2600, PR Mode 1-6S1, Serial # 1A338507, Stock # 4600