View 4 Photos View 0 Videos Dana R40-155 Rear Differential for a 2018 Peterbilt 579 Newly Listed Contact for price (Used) 2018 Peterbilt 579, REAR DIFFERENTIAL GEARS ONLY- Part Number: 10027677, Serial Number: TBD, Make: Spicer, Model: R40-155, Ratio: 2.64, Capacity: 19,000 Lbs, Reference images for... ConditionUsedRear End2.64 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2018Part Number10027677Stock NumberP-498052 MLS Number14158038CategoryDifferentials, Rear Last Updated2/22/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Dana R40-155 Rear Differential for a 2020 Peterbilt 579 Contact for price (Used) 2020 Peterbilt 579, REAR DIFFERENTIAL GEARS ONLY- Part Number: TBD, Serial Number: HN07682197, Make: Spicer, Model: R40-155, Ratio: 2.79, Capacity: 19,000 Lbs, Reference images for... ConditionUsedRear End2.79 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock NumberP-494310 MLS Number14094345CategoryDifferentials, Rear Last Updated1/16/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info