2006 Allison 2100RDS, Truck Delivery, Transmission Assys, Fits to: Freightliner M2 106, (USED) 2005 Allison (AT) 2100RDS, (Reman) TRANSMISSON. S/N-1107504 P/N-E010415J Model-2100RDS For more information about this item call. We ship Worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Serial# 1107504, Casting# 1107504, Truck Year 2006 1FVACWDC46HV96117