2005 Meritor/Rockwell RT40-145, Truck Tractor, Tandem Cutoffs, Fits to: Freightliner Columbia 120, (Used) 2005 Freightliner Columbia 120, TANDEM CUTOFF- Part Number: S11-15793-342, Serial Number: DRA04062225, DRA04062137, Make: Meritor, Model: RT40-145, Ratio: 3.42, Capacity: 20,000 Lbs, Hub Bolts: 10, Brake Type: Drum, 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# TBD, Hub Bolts 10 1FUJA6AVX5DN71499