View 3 Photos View 0 Videos 2019 Eaton RSP40 Rear Differential for a Peterbilt 579 $395 USD (USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: NONE Ref# 7012393 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part Number7012393Stock Number25712985 MLS Number13230922CategoryDifferentials, Rear Last Updated1/16/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Kenworth T660 $395 USD (USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: Could Not Verify ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Stock Number25740346 MLS Number13331406CategoryDifferentials, Rear Last Updated12/31/2025 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2016 Eaton RSP40 Rear Differential for a Kenworth T680 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Stock Number25708510 MLS Number13193637CategoryDifferentials, Rear Last Updated12/26/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2007 Eaton RSP40 Rear Differential for a International 8600 $317 USD (USED) Eaton RSP40 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)InternationalFits To Model(s)8600Stock Number25794342 MLS Number13572364CategoryDifferentials, Rear Last Updated12/26/2025 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2005 Eaton RSP40 Rear Differential for a Kenworth T600 $350 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T600Stock Number25808327 MLS Number13631850CategoryDifferentials, Rear Last Updated12/10/2025 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2016 Eaton RSP40 Rear Differential for a Peterbilt 579 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: Na ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25670062 MLS Number13013476CategoryDifferentials, Rear Last Updated12/5/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Peterbilt 579 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25801519 MLS Number13605906CategoryDifferentials, Rear Last Updated12/5/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2012 Eaton RSP40 Rear Differential for a Peterbilt 386 $574 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25730898 MLS Number13296351CategoryDifferentials, Rear Last Updated11/15/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2019 Eaton RSP40 Rear Differential for a Peterbilt 579 $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A Ref# N/A ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part NumberN/AStock Number25781167 MLS Number13543451CategoryDifferentials, Rear Last Updated11/7/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2008 Eaton RSP40 Rear Differential for a Mack Cxu $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 Cast#: 130946 RUST FORMING ON CRR CASING, SURFACE RUST ON RING GEAR COLLAR AND PINION GEAR. ConditionUsedFits To Make(s)MackFits To Model(s)CXUStock Number25786793 MLS Number13538936CategoryDifferentials, Rear Last Updated10/22/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Peterbilt 386 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A Ref# RSP40325 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Part NumberRSP40325Stock Number25825723 MLS Number13699473CategoryDifferentials, Rear Last Updated9/6/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2003 Eaton RSP40 Rear Differential for a Peterbilt 379 $350 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 30825 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Stock Number25676874 MLS Number13014078CategoryDifferentials, Rear Last Updated7/30/2025 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2012 Eaton RSP40 Rear Differential for a Peterbilt 365 $360 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)365Stock Number25820189 MLS Number13709011CategoryDifferentials, Rear Last Updated7/20/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 1999 Eaton RSP40 Rear Differential for a Kenworth W900S $350 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 ConditionUsedFits To Make(s)KenworthFits To Model(s)W900LStock Number25671767 MLS Number12974219CategoryDifferentials, Rear Last Updated7/12/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2013 Eaton RSP40 Rear Differential for a Kenworth T660 $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Stock Number25823301 MLS Number13695313CategoryDifferentials, Rear Last Updated7/13/2025 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2013 Eaton RSP40 Rear Differential for a Kenworth T700 $395 USD (USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T700Stock Number25686730 MLS Number13060499CategoryDifferentials, Rear Last Updated7/12/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2006 Eaton RSP40 Rear Differential for a Kenworth T600 $350 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T600Stock Number25642088 MLS Number12855891CategoryDifferentials, Rear Last Updated7/9/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2009 Eaton RSP40 Rear Differential for a Peterbilt 386 $317 USD (USED) Eaton RSP40 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# 511330 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Part Number511330Stock Number25821383 MLS Number13684586CategoryDifferentials, Rear Last Updated7/4/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2004 Eaton RSP40 Rear Differential for a Peterbilt 387 $350 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 130830 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Stock Number25792546 MLS Number13572800CategoryDifferentials, Rear Last Updated6/29/2025 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Peterbilt 386 $360 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: CAN NOT VERIFY THE CAST NUMBER ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25816293 MLS Number13675738CategoryDifferentials, Rear Last Updated6/29/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2007 Eaton RSP40 Rear Differential for a Kenworth T800 $317 USD (USED) Eaton RSP40 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Stock Number25787778 MLS Number13558692CategoryDifferentials, Rear Last Updated6/26/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2012 Eaton RSP40 Rear Differential for a Peterbilt 587 $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: NA ConditionUsedFits To Make(s)PeterbiltFits To Model(s)587Stock Number25766485 MLS Number13451479CategoryDifferentials, Rear Last Updated6/22/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Kenworth T680 $360 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Stock Number25786312 MLS Number13542790CategoryDifferentials, Rear Last Updated6/22/2025 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2013 Eaton RSP40 Rear Differential for a Peterbilt 386 $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25800363 MLS Number13602777CategoryDifferentials, Rear Last Updated6/21/2025 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Kenworth T440 $574 USD (USED) Eaton RSP40 Ratio: 4.33 Side Gear Splines: 41 W/ Locker: NO Cast#: Na ConditionUsedFits To Make(s)KenworthFits To Model(s)T440Stock Number25802180 MLS Number13610369CategoryDifferentials, Rear Last Updated6/21/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info