2007 Meritor/Rockwell RS 21-145, Truck Delivery, Rear Rears (Tandem Rear or Single), Fits to: Freightliner M2 106, (Used) 2007 Freightliner M2 106, COMPLETE DIFFERENTIAL GEARS ONLY- Part Number: C11-00016-006, Serial Number: FOR00136016, Make: Meritor, Model: RS21-145, Ratio: 5.57, Capacity: 20,000 Lbs, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Ratio 5.57, Serial# FOR00136016, Casting# FOR00136016 1FVACWDC77HX70862