View 5 Photos View 0 Videos Detroit DA-RT-40.0-4 Rear Differential for a 2018 Freightliner Cascadia 126 Contact for price Detroit RT40-4N Rear Rear Differential Assembly 3.08 Ratio - Capacity: 20,000 lbs. - Axle Housing Model: QA6813504730 - Hub to Hub - Used - May have some cosmetic blemishes (see photos). Got... ConditionUsedRear End3.08 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2018Part Number771AACStock NumberFR-0787-8 MLS Number12179253CategoryDifferentials, Rear Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Detroit DA-RT-40.0-4 Rear Differential for a 2022 Freightliner Cascadia 126 Contact for price (Used) 2022 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-620, Serial Number: 771195B0292414, 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)2022Part NumberC11-00051-620Stock NumberP-111431 MLS Number13825754CategoryDifferentials, Rear 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 DA-RT-40.0-4 Rear Differential for a 2021 Freightliner Cascadia 126 Contact for price (Used) 2021 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-656, Serial Number: 771195B0201298, 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)2021Part NumberC11-00051-620Stock NumberP-491479 MLS Number14049958CategoryDifferentials, Rear 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 2019 Detroit DA-RT-40.0-4 Rear Differential for a Freightliner CASCADIA $1,500 USD DA-RT-40.0-4 Rear - 2.85 Ratio Pullout - Grade A - p/n C11-00051-261, s/n 77119590040273, Unit Is In Good Condition. ConditionUsedRear End2.85 ratioFits To Make(s)FREIGHTLINERFits To Model(s)CASCADIAStock Number4325-23 MLS Number14287894CategoryDifferentials, Rear Last Updated4/24/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Detroit DA-RT-40.0-4 Rear Differential for a Unmarked N/A $900 USD DA-RT-40.0-4 (RT40-NFD) Rear - 2.85 Ratio - Core - Grade C - Blown Side Gear Pinions, Ring Gear Carrier Cracked. ConditionUsedRear End2.85 ratioFits To Make(s)UnmarkedFits To Model(s)N/AStock Number4539290 MLS Number13892979CategoryDifferentials, Rear Last Updated4/14/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Detroit DA-RT-40.0-4 Rear Differential for a 2020 Freightliner Cascadia 126 $2,085 USD DART40 2.85 REAR REAR DIFFERENTIAL LOW MILE TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: NA, Ratio: 2.85 ConditionUsedRear End2.85 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2020Part NumberDART40Stock Number92220-6 MLS Number10480773CategoryDifferentials, Rear Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Detroit DA-RT-40.0-4 Rear Differential for a 2016 Freightliner Cascadia 125 Contact for price 2016 Freightliner Cascadia Detroit RT-40.0-4 Ratio 3.23, Ratio: 3.23 ConditionUsedRear End3.23 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2016Stock NumberSV-22-5 MLS Number9405042CategoryDifferentials, Rear Last Updated5/14/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info