2015 Allison 3500RDS, Truck Delivery, Transmission Assys, Fits to: Freightliner M2 106, (Used) 2014 Allison (AT), TRANSMISSION ASSEMBLY- Model: 3500RDS Serial Number: 6511269027 Engine: Cummins ISB 175 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Serial# 6511269027, Casting# 6511269027, Truck Year 2015 3ALACXDTXFDGL1161