4 0 Dana RST40 Rear Axle Housing for a 2013 Mack CHU613 Contact for price (Used) 2013 Mack CHU613, COMPLETE REAR DIFFERENTIAL HOUSING ONLY- Part Number: RST40390CF, Serial Number: HN05217202, Make: Spicer/Dana, Model: RST40, Hub Bolts: 10, Brake Type: Drum, Ratio:... ConditionUsedFits To Make(s)MackFits To Model(s)CHU613Will Fit Year(s)2013Part NumberRST40390CStock NumberP-70489 MLS Number12588986CategoryAxle Housings, Rear Last Updated11/11/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info