View 1 Photo View 0 Videos Axle Alliance RT40-4N Front Differential for a 2007 Freightliner Columbia 120 Recently Updated Contact for price (Used) 2007 Freightliner Columbia 120, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00006-106, Serial Number: 771AAC-A038025H, Make: Axle Alliance, Model: RT40-4N, Ratio: 3.58,... ConditionUsedRear End3.58 ratioFits To Make(s)FreightlinerFits To Model(s)Columbia 120Will Fit Year(s)2007Part NumberC11-00006-106Stock NumberP-102541 MLS Number13590166CategoryDifferentials, Front Last Updated7/23/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Axle Alliance RT40-4N Rear Axle Housing for a 2007 Freightliner Columbia 120 Recently Updated Contact for price (Used) 2007 Freightliner Columbia 120, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00006-202, Serial Number: 771AAC-A042781H, Make: Axle Alliance, Model: RT40-4N, Ratio: 3.42,... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Columbia 120Will Fit Year(s)2007Part NumberC11-00006-202Stock NumberP-106216 MLS Number13677321CategoryAxle Housings, Rear Last Updated7/22/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Axle Alliance RT40-4N Front Differential for a 2007 Freightliner ST120 Contact for price (Used) 2007 Freightliner ST120, FRONT DIFFERENTIAL GEARS ONLY- Make: Alliance, Model: RT40-4N, Ratio: 3.42, Capacity: 20,000 Lbs, Part Number: C11-00006, Serial Number: 771AAC-A047834H,... ConditionUsedRear End3.42 ratioFits To Make(s)FreightlinerFits To Model(s)ST120Will Fit Year(s)2007Part NumberC11-00006-183Stock NumberP-43630 MLS Number11976754CategoryDifferentials, Front Last Updated6/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Axle Alliance RT40-4N Rear Axle Housing for a 2007 Freightliner ST120 Contact for price (Used) 2007 Freightliner ST120, FRONT DIFFERENTIAL HOUSING ONLY- Make: Alliance, Model: RT40-4N, Ratio: 3.42, Capacity: 20,000 Lbs, Part Number: C11-00006-183, Serial Number:... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)ST120Will Fit Year(s)2007Part NumberC11-00006-183Stock NumberP-43617 MLS Number11976741CategoryAxle Housings, Rear Last Updated6/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Axle Alliance RT40-4N Rear Differential $1,495 USD RECON ART40-4N 3.58 .1ST 6 MONTHS PARTS AND LABOR WARRANTY. LAST 6 MONTHS PARTS ONLY WARRANTY., Axle Spline Count: 41, Serial#: 62385, Core Charge: EXCHANGE, Ratio: 3.58 ConditionRemanufacturedPart Number62385Stock Number62385 MLS Number14370893CategoryDifferentials, 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 Axle Alliance RT40-4N Rear Differential for a 2008 Sterling A9500 $995 USD ART40-4N,REAR 2.85 RATIO USED TAKEOUT WILL INSPECT IN OUR GEAR SHOP. 90 DAY WARRANTY., Ratio: 2.85 ConditionUsedRear End2.85 ratioFits To Make(s)SterlingFits To Model(s)A9500Will Fit Year(s)2008Stock Number11926-3 MLS Number14110710CategoryDifferentials, 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 Axle Alliance RT40-4N Front Differential for a 2008 Sterling A9500 $1,695 USD RT40-4N, 2.85 RATIO USED TAKEOUT WILL INSPECT IN OUR GEAR SHOP. 90 DAY WARRANTY., Ratio: 2.85 ConditionUsedRear End2.85 ratioFits To Make(s)SterlingFits To Model(s)A9500Will Fit Year(s)2008Stock Number11926-2 MLS Number14110709CategoryDifferentials, 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 Axle Alliance RT40-4N Rear Axle Housing for a 2008 Sterling A9500 $1,095 USD RT40-14N REAR AXLE HOUSING ON AIRLINER SUSPENSION, Hub Bolts: 10, Suspension: AIRLINER, Brake Type: AIR ConditionUsedFits To Make(s)SterlingFits To Model(s)A9500Will Fit Year(s)2008Stock Number11926-12 MLS Number14110700CategoryAxle 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 Axle Alliance RT40-4N Front Axle Housing for a 2008 Sterling A9500 $1,095 USD RT40-14N FRONT AXLE HOUSING ON AIRLINER SUSPENSION., Hub Bolts: 10, Suspension: AIR LINER, Brake Type: AIR ConditionUsedFits To Make(s)SterlingFits To Model(s)A9500Will Fit Year(s)2008Stock Number11926-11 MLS Number14110695CategoryAxle Housings, 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 Axle Alliance RT40-4N Rear Differential for a 2014 Freightliner Cascadia 125 $995 USD ART40-4N RR 3.42 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 3.42 ConditionUsedRear End3.42 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 125Will Fit Year(s)2014Stock Number41023-8 MLS Number12000033CategoryDifferentials, 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 Axle Alliance ART 40 Front Bearing Kit for RT40-4N (Before 2008), Part # DRK650F $714.58 USD BEARING KIT ART 40 FRONT BEFORE 2008, Serial#: drk650f, Core Charge: N/A, Casting#: drk650f ConditionNewPart Numberdrk650fStock Numberdrk650f MLS Number11266623CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Axle Alliance RT40-4N Rear Differential Contact for price Good Condition Rear Differential RT40-4N Ratio 3.72, Ratio: 3.72 ConditionUsedRear End3.72 ratioStock Number976480 MLS Number14130649CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Axle Alliance RT40-4N Rear Differential Contact for price Good Condition Differential RT40-4N Ratio 2.85, Ratio: 2.85 ConditionUsedRear End2.85 ratioStock Number976458 MLS Number14126955CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Axle Alliance RT40-4N Rear Differential Contact for price Good Condition Rear Differential RT40-4N Ratio 2.53, Ratio: 2.53 ConditionUsedRear End2.53 ratioStock Number976425 MLS Number14117878CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Axle Alliance RT40-4N Front Differential Contact for price Inspected good, Ratio: 2.41 ConditionUsedRear End2.41 ratioStock Number976130 MLS Number14019988CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Axle Alliance RT40-4N Rear Differential Contact for price Good Condition Rear Differential RT40-4N Ratio 2.85, Ratio: 2.85 ConditionUsedRear End2.85 ratioStock Number976101 MLS Number12627786CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Axle Alliance RT40-4N Rear Differential for a 2016 Freightliner Cascadia Contact for price MILES441526 HAS LOCKER, Ratio: 308 ConditionUsedRear End3.08 ratioFits To Make(s)FreightlinerFits To Model(s)CascadiaWill Fit Year(s)2016Stock NumberGY9012-3 MLS Number12627780CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Axle Alliance RT40-4N Front Differential for a 2016 Freightliner Cascadia Contact for price MILES 441526, Ratio: 308 ConditionUsedRear End3.08 ratioFits To Make(s)FreightlinerFits To Model(s)CascadiaWill Fit Year(s)2016Stock NumberGY9012-2 MLS Number12627779CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Axle Alliance RT40-4N Front Differential for a 2013 Freightliner Cascadia Contact for price GOOD SHAPE, Ratio: 342 ConditionUsedRear End3.42 ratioFits To Make(s)FreightlinerFits To Model(s)CascadiaWill Fit Year(s)2013Stock NumberBY6659-4 MLS Number12062714CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Axle Alliance RT40-4N Rear Differential for a 2017 Freightliner Cascadia Contact for price MILES 466241, Ratio: 241 ConditionUsedRear End2.41 ratioFits To Make(s)FreightlinerFits To Model(s)CascadiaWill Fit Year(s)2017Stock NumberHV1011-5 MLS Number11803745CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Axle Alliance RT40-4N Front Differential for a 2017 Freightliner Cascadia Contact for price MILES 466241, Ratio: 241 ConditionUsedRear End2.41 ratioFits To Make(s)FreightlinerFits To Model(s)CascadiaWill Fit Year(s)2017Stock NumberHV1011-4 MLS Number11803743CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Axle Alliance RT40-4N Rear Differential Contact for price Good Condition Rear Differential RT40-4N Ratio 3.85, Ratio: 385 ConditionUsedRear End3.85 ratioStock Number976021 MLS Number11155074CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Axle Alliance RT40-4N Front Differential for a 2009 Freightliner Cascadia Contact for price GOOD SHAPE, Ratio: 341 ConditionUsedRear End3.41 ratioFits To Make(s)FreightlinerFits To Model(s)CascadiaWill Fit Year(s)2009Stock NumberAB1461-3 MLS Number11073177CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Axle Alliance RT40-4N Rear Differential for a 2009 Freightliner Cascadia Contact for price GOOD SHAPE, Ratio: 341 ConditionUsedRear End3.41 ratioFits To Make(s)FreightlinerFits To Model(s)CascadiaWill Fit Year(s)2009Stock NumberAB1461-2 MLS Number11073176CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Axle Alliance RT40-4N Front Differential for a 2012 Freightliner Cascadia Contact for price GOOD SHAPE, Ratio: 342 ConditionUsedRear End3.42 ratioFits To Make(s)FreightlinerFits To Model(s)CascadiaWill Fit Year(s)2012Stock NumberBJ8812-5 MLS Number11033847CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info