2008 Meritor/Rockwell RD20-145, Truck Tractor, Front Rears (Tandem Front), Fits to: Freightliner Cascadia 125, (Used) 2008 Freightliner Cascadia 125, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: RT40145SFNN1506342, Serial Number: F0R01421004, Make: Meritor, Model: RD20-145, Ratio: 3.42, 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 3.42, Serial# F0R01421004, Casting# F0R01421004 1FUJGLCKX8LZ65840