View 8 Photos View 0 Videos Meritor-Rockwell RT40-145A Rear Axle Assembly for a 2013 Freightliner Cascadia 125 Newly Listed Contact for price (Used) 2013 Freightliner Cascadia 125, COMPLETE REAR REAR TANDEM- Part Number: S11-16051-342, Serial Number: FOR01856404, Make: Meritor, Model: RT40-145A, Ratio: 3.42, Capacity: 20,000 Lbs,... ConditionUsedRear End3.42 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2013Part NumberS11-16051-342Stock NumberP-496568 MLS Number14136876CategoryAxle Assemblies, Rear Last Updated2/11/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info