Engines | Mounts, , 2001 ALLISON HD4560, Engine ECM, (GOOD USED) 2001 ALLISON HD4560 TCM PART # 29537291, MODEL NO. WT3ECU909, TRANSMISSION CONTROL MODULE, 020911, E11, ECU+CAL ASSY ECB0078X, CIN 0C0078X010R, PRI MODE 1-5S1, SEC MODE 1-5S3, SERIAL # 00293911, STOCK # 2842 | TESTED & INSPECTED!