View 4 Photos View 0 Videos 2013 Spicer J400S Rear Differential for a Peterbilt 587 $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)587Stock Number25370926 MLS Number12336375CategoryDifferentials, Rear Last Updated3/26/2026 LocationSpencer, IA, 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 W/ Locker: NO 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 Updated3/18/2026 LocationSpencer, IA, 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 Updated2/12/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2010 Eaton RSP40 Rear Differential for a Peterbilt 387 $350 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Stock Number25611481 MLS Number12709683CategoryDifferentials, Rear Last Updated2/6/2026 LocationSpencer, IA, 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 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 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 3 Photos View 0 Videos 2009 Eaton RDP40 Rear Differential for a Peterbilt 387 $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)387Stock Number25312222 MLS Number11663092CategoryDifferentials, Rear Last Updated5/11/2025 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2015 Eaton RSP40 Rear Differential for a Kenworth T680 $395 USD (USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: CAN NOT VERIFY MISSING TAG ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Stock Number25792970 MLS Number13565082CategoryDifferentials, Rear Last Updated5/8/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2015 Eaton RSP40 Rear Differential for a Kenworth T680 $360 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 515327 ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Stock Number25743572 MLS Number13446082CategoryDifferentials, Rear Last Updated4/4/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2002 Eaton RSP40 Rear Differential for a Freightliner FLD112 $495 USD (USED) Eaton RSP40 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)FreightlinerFits To Model(s)FLD112Stock Number25753380 MLS Number13451486CategoryDifferentials, Rear Last Updated3/17/2025 LocationSpencer, IA, 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 386 $350 USD (USED) Eaton RSP40 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 511330 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25758732 MLS Number13448051CategoryDifferentials, Rear Last Updated3/14/2025 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 Kenworth T600 $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T600Stock Number25647300 MLS Number12872285CategoryDifferentials, Rear Last Updated1/11/2025 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 $360 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)KenworthFits To Model(s)T700Stock Number25450701 MLS Number12275732CategoryDifferentials, Rear Last Updated12/21/2024 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2015 Eaton RSP40 Rear Differential for a Peterbilt 579 $375 USD (USED) Eaton RSP40 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25705914 MLS Number13181309CategoryDifferentials, Rear Last Updated10/17/2024 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2016 Eaton RSP40 Rear Differential for a Peterbilt 579 $350 USD (USED) Eaton RSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: UI04K4 Ref# 511323 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part Number511323Stock Number25498941 MLS Number12319481CategoryDifferentials, Rear Last Updated8/29/2024 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2015 Eaton RSP40 Rear Differential for a Peterbilt 579 $360 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25488587 MLS Number12277241CategoryDifferentials, Rear Last Updated8/29/2024 LocationSpencer, IA, 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 Peterbilt 386 $360 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25423917 MLS Number12053351CategoryDifferentials, Rear Last Updated8/29/2024 LocationSpencer, IA, 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 Kenworth T660 $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)T660Stock Number25355100 MLS Number12439430CategoryDifferentials, Rear Last Updated8/29/2024 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2006 Eaton RSP40 Rear Differential for a Kenworth T2000 $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T2000Stock Number25323151 MLS Number12222737CategoryDifferentials, Rear Last Updated8/29/2024 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2011 Eaton RSP40 Rear Differential for a Peterbilt 389 $350 USD (USED) Eaton RSP40 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Stock Number25657883 MLS Number12914982CategoryDifferentials, Rear Last Updated6/6/2024 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2011 Eaton RSP40 Rear Differential for a Peterbilt 386 $350 USD (USED) Eaton RSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25637255 MLS Number12871964CategoryDifferentials, Rear Last Updated5/16/2024 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Eaton RSP40 Rear Differential for a Peterbilt 579 Newly Listed $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26005182 MLS Number14396396CategoryDifferentials, Rear Last Updated5/29/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2009 Eaton RSP40 Rear Differential for a Peterbilt 386 $395 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 Number25986883 MLS Number14348074CategoryDifferentials, Rear Last Updated5/24/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info