View 22 Photos View 0 Videos Detroit RT40-4N Rear Axle Assembly for a 2016 Western Star 5700 Contact for price Detroit DA-RT-40.0-4 HT Tandem Cutoff - Used - Ratio: 3.31 - Drum Brakes - Air Bag Suspension - 40,000 LBS Capacity, Power Divider is Locker, Part Number: 771AAC - RT40-4N Rear Rear... ConditionUsedFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2016Part NumberDA-RT-40.4 HTStock NumberWS-0796-26 MLS Number12227072CategoryAxle Assemblies, Rear Last Updated6/13/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info