1985 Mack Other, Truck Tractor, Transmission Assys, Fits to: Mack RS686LST, (Used) 1984 Mack (MT), TRANSMISSION ASSEMBLY- Engine: Mack EMC6, 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# TBD, Truck Year 1985, VIN 1M2T153Y4FM002646 1M2T153Y4FM002646