View 6 Photos View 0 Videos Detroit RT40-4N Front Differential for a 2017 Freightliner Cascadia 125 Contact for price (Used) 2017 Freightliner Cascadia 125, COMPLETE FRONT REAR TANDEM- Part Number: C11-00042-143, Serial Number: 771AAC-A207402H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20,000... ConditionUsedRear End3.08 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2017Part NumberC11-00042-143Stock NumberP-494572 MLS Number14097814CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Detroit RT40-4N Front Differential for a 2017 Freightliner Cascadia 125 Contact for price (Used) 2017 Freightliner Cascadia 125, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-143, Serial Number: 771AAC-A207402H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20,000... ConditionUsedRear End3.08 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2017Part NumberC11-00042-143Stock NumberP-494579 MLS Number14097821CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Detroit RT40-4N Front Differential for a 2014 Freightliner Cascadia 125 Contact for price (Used) 2014 Freightliner Cascadia 125, COMPLETE FRONT REAR TANDEM- Part Number: C11-00042-045, Serial Number: 771AAC-A112546H, Make: Detroit, Model: RT40-4N, Ratio: 2.53, Capacity: 20,000... ConditionUsedRear End2.53 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2014Part NumberC11-00042-045Stock NumberP-498544 MLS Number14166968CategoryDifferentials, Front Last Updated7/11/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Detroit RT40-4N Front Differential for a 2017 Freightliner Cascadia 125 Contact for price (Used) 2017 Freightliner Cascadia 125, COMPLETE FRONT REAR TANDEM- Part Number: C11-00042-734, Serial Number: 771AAC-A210439H, Make: Detroit, Model: RT40-4N, Ratio: 2.41, Capacity: 20,000... ConditionUsedRear End2.41 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2017Part NumberC11-00042-734Stock NumberP-55826 MLS Number12233511CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Detroit RT40-4N Front Differential for a 2018 Freightliner Cascadia 125 Contact for price (Used) 2018 Freightliner Cascadia 125, COMPLETE FRONT REAR TANDEM- Part Number: C11-00042-501, Serial Number: 771AAC-A223772H, Make: Detroit, Model: RT40-4N, Ratio: 3.23, Capacity: 20,000... ConditionUsedRear End3.23 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2018Part NumberC11-00042-501Stock NumberP-60018 MLS Number12332358CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Detroit RT40-4N Front Differential for a 2018 Freightliner Cascadia 125 Contact for price (Used) 2018 Freightliner Cascadia 125, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-501, Serial Number:771AAC-A223772H, Make: Detroit, Model: RT40-4N, Ratio: 3.23, Capacity: 20,000... ConditionUsedRear End3.23 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2018Part NumberC11-00042-501Stock NumberP-60023 MLS Number12332363CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Detroit RT40-4N Front Differential for a 2016 Western Star 5700 Contact for price (Used) 2016 Western Star 5700, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-503, Serial Number: 771AAC-A178020H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity:... ConditionUsedRear End3.08 ratioFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2016Part NumberC11-00042-503Stock NumberP-78048 MLS Number12790317CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Detroit RT40-4N Front Differential for a 2018 Freightliner Cascadia 126 Contact for price (Used) 2018 Freightliner Cascadia 126, COMPLETE FRONT REAR TANDEM- Part Number: C11-00042-390, Serial Number: 771AAC-A239971H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20,000... ConditionUsedRear End3.08 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2018Part NumberC11-00042-390Stock NumberP-97029 MLS Number13413516CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Detroit RT40-4N Front Differential for a 2016 Western Star 5700 Contact for price (Used) 2016 Western Star 5700, COMPLETE FRONT REAR TANDEM- Part Number: C11-00042-618, Serial Number: 771AAC-A187523H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20,000 Lbs, Hub... ConditionUsedRear End3.08 ratioFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2016Part NumberC11-00042-618Stock NumberP-112050 MLS Number13856125CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Detroit RT40-NFD Front Differential for a 2021 Freightliner Cascadia 126 Contact for price (Used) 2021 Freightliner Cascadia 126, COMPLETE FRONT REAR TANDEM- Part Number: C11-00051-620, Serial Number: 771194A0150921, Make: Detroit, Model: RT40-NFD, Ratio: 2.85, Capacity: 20,000... ConditionUsedRear End2.85 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2021Part NumberC11-00051-620Stock NumberP-501017 MLS Number14270534CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Detroit RT40-NFD Front Differential for a 2020 Freightliner Cascadia 125 Contact for price (Used) 2020 Freightliner Cascadia 125, COMPLETE FRONT REAR TANDEM- Part Number: C11-00051-355, Serial Number: 771194B0070202, Make: Detroit, Model: RT40-NFD, Ratio: 3.23, Capacity: 20,000... ConditionUsedRear End3.23 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2020Part NumberC11-00051-355Stock NumberP-501244 MLS Number14277517CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Detroit RT40-NFD Front Differential for a 2021 Freightliner Cascadia 126 Contact for price (Used) 2021 Freightliner Cascadia 126, COMPLETE FRONT REAR TANDEM- Part Number: C11-00051-618, Serial Number: 771194B0160105, Make: Detroit, Model: RT40-NFD, Ratio: 2.41, Capacity: 20,000... ConditionUsedRear End2.41 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2021Part NumberC11-00051-618Stock NumberP-499315 MLS Number14231930CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Detroit DA-RT-40.0-4 Front Differential for a 2016 Freightliner Cascadia 125 Contact for price (Used) 2016 Freightliner Cascadia 125, COMPLETE FRONT REAR TANDEM- Part Number: Other, Serial Number: 771AAC-A176500H, Make: Detroit, Model: DA-RT-40.04, Ratio: 3.42, Capacity,: 20,000 Lbs... ConditionUsedRear End3.42 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2016Stock NumberP-87292 MLS Number13089838CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos Detroit DA-RT-40.0-4 Front Differential for a 2016 Freightliner Cascadia 125 Contact for price (Used) 2016 Freightliner Cascadia 125, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: Other, Serial Number: 771AAC-A176500H, Make: Detroit, Model: DA-RT-40.0-4, Ratio: 3.42, Capacity:... ConditionUsedRear End3.42 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2016Stock NumberP-87294 MLS Number13089841CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Detroit DA-RT-40.0-4 Front Differential for a 2018 Freightliner Cascadia 126 Contact for price (Used) 2018 Freightliner Cascadia 126, COMPLETE FRONT REAR TANDEM- Part Number: C11-00051-261, Serial Number: 771DDC-A004833H, Make: Detroit, Model: DA-RT-40.0-4, Ratio: 2.85, Capacity:... ConditionUsedRear End2.85 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2018Part NumberC11-00051-261Stock NumberP-108708 MLS Number13752255CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Detroit DA-RT-40.0-4 Front Differential for a 2019 Freightliner Cascadia 126 Contact for price Detroit DA-RT-40.0-4 Front Rear Differential For Sale 3.23 Ratio - Capacity: 20,000 lbs. - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We... ConditionUsedRear End3.23 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2019Stock NumberFR-0861-4 MLS Number13320899CategoryDifferentials, Front Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Detroit Front Differential for a 2019 Freightliner Cascadia 126 Contact for price (Core) 2019 Freightliner Cascadia 126, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-255, Serial Number: 771194A0016559, Make: Detroit, Model: RT40-NFD N, Ratio: 2.28,... ConditionUsedRear End2.28 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2019Part NumberC11-00051-255Stock NumberP-95509 MLS Number13349202CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Detroit Front Differential for a 2020 Western Star 5700 Contact for price (Used) 2020 Western Star 5700, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-253, Serial Number: 771194A0060215, Make: Detroit, Model: RT40-NFD-N, Ratio: 2.41, Capacity: 20,000 Lbs,... ConditionUsedRear End2.41 ratioFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2020Part NumberC11-00051-253Stock NumberP-494369 MLS Number14094407CategoryDifferentials, Front Last Updated6/30/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Dana-Spicer DS46-170DH Front Differential for a 2017 Peterbilt 365 Contact for price (Used) 2017 Peterbilt 365, COMPLETE FRONT REAR TANDEM- Part Number: 515861, Serial Number: HN04946377, Make: Spicer, Model: DS46-170DH, Ratio: 4.56, Capacity: 23,000 Lbs, Hub Bolts: 10,... ConditionUsedRear End4.56 ratioFits To Make(s)PeterbiltFits To Model(s)365Will Fit Year(s)2017Part Number515861Stock NumberP-101201 MLS Number13547632CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Dana-Spicer D46-170DH Front Differential for a 2017 Peterbilt 365 Contact for price (Used) 2017 Peterbilt 365, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: 515861, Serial Number: HN04946377, Make: Spicer, Model: D46-170DH, Ratio: 4.56, Capacity: 23,000 Lbs, For... ConditionUsedRear End4.56 ratioFits To Make(s)PeterbiltFits To Model(s)365Will Fit Year(s)2017Part Number515861Stock NumberP-101204 MLS Number13553261CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Dana-Spicer DS462P Front Differential for a 2003 Peterbilt 357 Contact for price (Used) 2003 Peterbilt 357, COMPLETE FRONT REAR TANDEM- Part Number: 509342, Serial Number: HN00808198, Make: Spicer, Model: DS462P, Ratio: 4.33, Capacity: 22,000 Lbs, Hub Bolts: 10, Brake... ConditionUsedRear End4.33 ratioFits To Make(s)PeterbiltFits To Model(s)357Will Fit Year(s)2003Part Number509342Stock NumberP-94902 MLS Number13318205CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Dana-Spicer DS462P Front Differential for a 2003 Peterbilt 357 Contact for price (Used) 2003 Peterbilt 357, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: 509342, Serial Number: HN00808198, Make: Spicer, Model: DS462P, Ratio: 4.33, Capacity: 22,000 Lbs, Hub Bolts:... ConditionUsedRear End4.33 ratioFits To Make(s)PeterbiltFits To Model(s)357Will Fit Year(s)2003Part Number509342Stock NumberP-94904 MLS Number13318207CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Dana-Spicer 190F-4429A Front Differential for a 2001 Mack RD688S Contact for price (Used) 2001 Mack RD688S, COMPLETE FRONT REAR TANDEM- Serial Number: 20003945, Make: Spicer/Dana, Model: 190F-4429A, Hub Bolts: 10, Brake Type: Drum, For more information about this item,... ConditionUsedFits To Make(s)MackFits To Model(s)RD688SWill Fit Year(s)2001Stock NumberP-56072 MLS Number12234359CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Dana-Spicer 190F-4429A Front Differential for a 2001 Mack RD688S Contact for price (Used) 2001 Mack RD688S, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Serial Number: 20003945, Make: Spicer/Dana, Model: 190F-4429A, Hub Bolts: 10, Brake Type: Drum, For more information about... ConditionUsedFits To Make(s)MackFits To Model(s)RD688SWill Fit Year(s)2001Stock NumberP-56076 MLS Number12234365CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Dana-Spicer 190F-4429A Front Differential for a 2001 Mack RD688S Contact for price (Used) 2001 Mack RD688S, COMPLETE FRONT REAR TANDEM- Serial Number: 20006177, Make: Spicer/Dana, Model: 190F-4429A, Ratio: TBD, Hub Bolts: 10, Brake Type: Drum, Suspension: Leaf Springs,... ConditionUsedFits To Make(s)MackFits To Model(s)RD688SWill Fit Year(s)2001Stock NumberP-105271 MLS Number13657837CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info