View 6 Photos View 0 Videos Meritor-Rockwell RT40-145 Rear Axle Assembly for a 2004 International 9400I Contact for price (Used) 2004 International 9400I, COMPLETE REAR REAR TANDEM- Part Number: 3550399C91, Serial Number: AVA03074033, Make: Meritor, Model: RT40-145, Ratio: 2.64, Capacity: 20,000 Lbs, Hub Bolts:... ConditionUsedRear End2.64 ratioFits To Make(s)InternationalFits To Model(s)9400IWill Fit Year(s)2004Part Number3550399C91Stock NumberP-502982 MLS Number14372772CategoryAxle Assemblies, Rear Last Updated5/15/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell RT40-145 Rear Axle Housing for a 1994 Peterbilt 379 $1,295 USD RR20-145 RR AXLE HOUSING ON AIR TRAC, Hub Bolts: 10, Suspension: AIR TRAC, Brake Type: DRUM ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1994Stock Number21526-5 MLS Number14161309CategoryAxle Housings, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell RT40-145 Front Axle Housing for a 1994 Peterbilt 379 $1,295 USD RT40-145 FRT AXLE HOUSING ON AIR TRAC, Hub Bolts: 10, Suspension: AIR TRAC, Brake Type: DRUM ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1994Stock Number21526-4 MLS Number14161308CategoryAxle Housings, Front Last Updated8/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell RT40-145 Front Differential for a 1994 Peterbilt 379 $1,095 USD RT40-145 USED TAKEOUT 3.91 RATIO, WILL INSPECT IN OUR GEARSHOP 90 DAY WARRANTY, Ratio: 3.91 ConditionUsedRear End3.91 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1994Stock Number21526-2 MLS Number14161306CategoryDifferentials, Front Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 41 Spline Side Gear Meritor-Rockwell RT40-145/RS21-145, Serial # 2234U1269 $66.40 USD 41 SPLINE SIDE GEAR RT40-145, RS21-145 4, Serial#: 2234U1269, Core Charge: N/A, Casting#: 2234U1269 ConditionNewPart Number2234U1269 S-9787 2234G1437 2234-M-1183Stock Number2234U1269 MLS Number13311503CategoryDifferential Misc. Parts Last Updated8/1/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Meritor-Rockwell RT40-145 Rear Differential for a 2004 Sterling A9500 $795 USD 40-145 3.90 GOOD INSPECTED TAKEOUT, 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 250.00, Ratio: 3.90 ConditionUsedRear End3.90 ratioFits To Make(s)SterlingFits To Model(s)A9500Will Fit Year(s)2004Part Number20-145Stock Number50624-4 MLS Number12871373CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell RT40-145 Rear Differential for a 2010 Volvo VNL $495 USD GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY ON PARTS, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 3.58 ConditionUsedFits To Make(s)VolvoFits To Model(s)VNLWill Fit Year(s)2010Stock Number102617-16 MLS Number9288474CategoryDifferentials, Rear Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell RT40-145 Rear Differential for a 2011 Freightliner Cascadia 125 Contact for price 2011 FRTLR CASCADIA MERITOR RT40-145 REAR DIFF, LOCKER, 3.90 RATIO, 40000 LBS, Serial#: NA, Ratio: 3.90, Casting#: NA ConditionUsedRear End3.90 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2011Stock Number3835-FRTLR-5 MLS Number13536572CategoryDifferentials, Rear Last Updated6/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Meritor-Rockwell RT40-145 Rear Differential for a 2011 Western Star 4900 FA Contact for price 2011 WS 4900FA MERITOR RT40-145 REAR REAR, 3.90 RATIO, LOCKS, 40000 LBS, Serial#: NA, Ratio: 3.90, Casting#: NA ConditionUsedRear End3.90 ratioFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2011Stock Number3821-WS-5 MLS Number13453980CategoryDifferentials, Rear Last Updated6/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell RT40-145 Front Axle Assembly for a 2001 Freightliner FC70 Contact for price 2001 FRTLR FC70 MERITOR FDS765NX STEER AXLE, 2 LEAF, ABS, DRUM BRAKE, 12000 LBS, Serial#: NA, Hub Bolts: 10, Ratio: 4.33, Suspension: AIRLINER ConditionUsedRear End4.33 ratioFits To Make(s)FreightlinerFits To Model(s)FC70Will Fit Year(s)2001Stock Number3793-FRTLR-5 MLS Number13348743CategoryAxle Assemblies, Front Last Updated5/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell RT40-145 Rear Differential for a 2001 Freightliner FC70 Contact for price 2001 FRTLR FC70 ROCKWELL RT40-145, 4.33 RATIO, NO LOCK, 20000 LBS, Serial#: NA, Ratio: 4.33, Casting#: NA ConditionUsedRear End4.33 ratioFits To Make(s)FreightlinerFits To Model(s)FC70Will Fit Year(s)2001Stock Number3793-FRTLR-4 MLS Number13348742CategoryDifferentials, Rear Last Updated5/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Meritor-Rockwell RT40-145 Rear Differential for a 2009 Sterling L7500 Contact for price 2009 FORD STERLING L7500 MERITOR RT40-145, 6.17 RATIO HD AIRLINER SUSPENSION, ALL LOCKS, 40000 LBS, Ratio: 6.17, Casting#: NA ConditionUsedRear End6.17 ratioFits To Make(s)SterlingFits To Model(s)L7500Will Fit Year(s)2009Stock Number3787-FORD-4 MLS Number13348681CategoryDifferentials, Rear Last Updated5/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell RT40-145 Rear Differential for a 2005 Freightliner Columbia 120 Contact for price 2005 FRTLR COLUMBIA ROCKWELL RT40-145, 3.90 RATIO, REAR LOCK ONLY, 40000 LBS, Serial#: NA, Ratio: 3.90, Casting#: NA ConditionUsedRear End3.90 ratioFits To Make(s)FreightlinerFits To Model(s)Columbia 120Will Fit Year(s)2005Stock Number3752-FRTLR-4 MLS Number13348279CategoryDifferentials, Rear Last Updated6/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell RT40-145 Rear Differential for a 2005 International 9900I Contact for price 2005 IHC 9900I MERITOR RT40-145 3.90 RATIO REAR LOCK ONLY 40000 LBS, Ratio: 3.90 ConditionUsedRear End3.90 ratioFits To Make(s)InternationalFits To Model(s)9900IWill Fit Year(s)2005Stock Number3516-IHC-4 MLS Number13346166CategoryDifferentials, Rear Last Updated6/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Meritor-Rockwell RT40-145 Front Differential for a 2017 Western Star 5700 $2,795.97 USD (Used) 2017 Western Star 5700, COMPLETE FRONT REAR TANDEM- Part Number: S11-19633-342, Serial Number: FOR03892506, Make: Meritor, Model: RT40-145, Ratio: 3.42, Capacity: 20,000 Lbs, Hub... ConditionUsedRear End3.42 ratioFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2017Part NumberS11-19633-342Stock NumberP-70530 MLS Number12590312CategoryDifferentials, 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 Meritor-Rockwell RT40-145 Rear Axle Assembly for a 2017 Western Star 5700 $2,795.97 USD (Used) 2017 Western Star 5700, COMPLETE REAR REAR TANDEM- Part Number: S11-19633-342, Serial Number: FOR03892507, Make: Meritor, Model: RT40-145, Ratio: 3.42, Capacity: 20,000 Lbs, Hub... ConditionUsedRear End3.42 ratioFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2017Part NumberS11-19633-342Stock NumberP-70542 MLS Number12590324CategoryAxle Assemblies, Rear 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 Meritor-Rockwell RT40-145 Rear Axle Assembly for a 2002 Sterling M8500 Acterra $1,467.30 USD Meritor Rockwell RR20-145 Rear Rear Differential 6.83 Ratio For Sale - Full Locker - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship... ConditionUsedRear End6.83 ratioFits To Make(s)SterlingFits To Model(s)M8500 ActerraWill Fit Year(s)2002Stock NumberST-0816-26 MLS Number12633799CategoryAxle Assemblies, Rear Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Meritor-Rockwell RT40-145 Rear Axle Housing for a 2007 Mack CXN613 $1,199.97 USD (Used) 2007 Mack CXN613, REAR DIFFERENTIAL HOUSING ONLY- Make: Meritor, Model: RT40-145, Ratio: 3.37, Capacity: 20,000 Lbs, For more information about this item, give us a call.We ship... ConditionUsedFits To Make(s)MackFits To Model(s)CXN613Will Fit Year(s)2007Stock NumberP-40838 MLS Number11906697CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Meritor-Rockwell RT40-145 Rear Differential for a 2007 Mack CXN613 $994.98 USD (Used) 2007 Mack CXN613, REAR DIFFERENTIAL GEARS ONLY- Make: Meritor, Model: RT40-145, Ratio: 3.37, Capacity: 20,000 Lbs, Part Number: C33121P1966, Serial Number: AVH06019191, For more... ConditionUsedRear End3.37 ratioFits To Make(s)MackFits To Model(s)CXN613Will Fit Year(s)2007Part NumberC33121P1966Stock NumberP-40841 MLS Number11906700CategoryDifferentials, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Meritor-Rockwell RT40-145 Front Differential for a 2007 Mack CXN613 $994.98 USD (Used) 2007 Mack CXN613, FRONT DIFFERENTIAL GEARS- Make: Meritor, Model: RT40-145, Ratio: 3.37, Capacity: 20,000 Lbs, Part Number: C3121R2280, Serial Number: AVH06012357, For more... ConditionUsedRear End3.37 ratioFits To Make(s)MackFits To Model(s)CXN613Will Fit Year(s)2007Part NumberC3121R2280Stock NumberP-40831 MLS Number11906690CategoryDifferentials, 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 Meritor-Rockwell RT40-145 Front Differential for a 2011 Freightliner Cascadia 125 $994.98 USD (Used) 2011 Freightliner Cascadia 125, FRONT REAR- Make: Meritor, Model: RT-40-145, Ratio: 3.42, Serial Number: DRA10059002, Hub Bolts: 10, Brake Type: Air Wedge, For more information about... ConditionUsedRear End3.42 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2011Stock NumberP-21167 MLS Number10583594CategoryDifferentials, 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 Meritor-Rockwell RT40-145 Rear Differential for a 2015 Freightliner Cascadia 125 $994.98 USD (Used) 2015 Freightliner Cascadia 125, REAR DIFFERENTIAL GEARS ONLY- Part Number: S11-16051-342, Serial Number: DRA14173303, Make: Meritor, Model: RT40-145, Ratio: 3.42, Capacity: 20,000... ConditionUsedRear End3.42 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2015Part NumberS11-16051-342Stock NumberP-66038 MLS Number12482120CategoryDifferentials, Rear 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 Meritor-Rockwell RT40-145 Front Differential for a 2017 Western Star 5700 $994.98 USD (Used) 2017 Western Star 5700, FRONT DIFFERENTIAL GEARS ONLY- REMANUFACTURED- Part Number: S11-19633-342, Serial Number: FOR03892506, Make: Meritor, Model: RT40-145, Ratio: 3.42, Capacity:... ConditionUsedRear End3.42 ratioFits To Make(s)Western StarFits To Model(s)5700Will Fit Year(s)2017Part NumberS11-19633-342Stock NumberP-70535 MLS Number12590317CategoryDifferentials, 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 Meritor-Rockwell RT40-145 Front Differential for a 2015 Freightliner Cascadia 125 $994.98 USD (Used) 2015 Freightliner Cascadia 125, FRONT DIFFERENTIAL GEARS ONLY- Part Number: S11-16051-342, Serial Number: DRA14173315, Make: Meritor, Model: RT40-145, Ratio: 3.42, Capacity: 20,000... ConditionUsedRear End3.42 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2015Part NumberS11-16051-342Stock NumberP-66033 MLS Number12482115CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Meritor-Rockwell RT40-145 Front Differential for a 1998 International 9200 $994.98 USD (Used) 1998 International 9200, FRONT DIFFERENTIAL GEARS ONLY- Make: Meritor, Model: RT40-145, Ratio: 2.93, Capacity: 20,000 Lbs, For more information about this item, give us a call.We... ConditionUsedRear End2.93 ratioFits To Make(s)InternationalFits To Model(s)9200Will Fit Year(s)1998Stock NumberP-44308 MLS Number11985924CategoryDifferentials, Front Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info