Detroit RT40-4N Axles & Differentials For Sale

51 - 75 of 76 listings

Detroit RT40-4N Rear Axle Housing for a 2016 Western Star 5700

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(Used) 2016 Western Star 5700, COMPLETE REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-503, Serial Number: 771AAC-A178020T, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	5700
Will Fit Year(s)	2016
Part Number	C11-00042-503
Stock Number	P-78054
MLS Number	12790323
Category	Axle Housings, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Rear Differential for a 2016 Western Star 5700

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(Used) 2016 Western Star 5700, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-503, Serial Number: 771AAC-A178020T, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity:...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Western Star
Fits To Model(s)	5700
Will Fit Year(s)	2016
Part Number	C11-00042-503
Stock Number	P-78055
MLS Number	12790324
Category	Differentials, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Front Differential for a 2018 Freightliner Cascadia 126

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(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...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2018
Part Number	C11-00042-390
Stock Number	P-97029
MLS Number	13413516
Category	Differentials, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Rear Axle Housing for a 2018 Freightliner Cascadia 126

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(Used) 2018 Freightliner Cascadia 126, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-390, Serial Number: 771AAC-A239971H, Make: Detroit, Model: RT40-4N, Ratio: 3.08,...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2018
Part Number	C11-00042-390
Stock Number	P-97034
MLS Number	13413521
Category	Axle Housings, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Rear Axle Assembly for a 2018 Freightliner Cascadia 126

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(Used) 2018 Freightliner Cascadia 126, COMPLETE REAR REAR TANDEM- Part Number: C11-00042-390, Serial Number: 771AAC-A239971T, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20,000...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2018
Part Number	C11-00042-390
Stock Number	P-97047
MLS Number	13413534
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Rear Axle Housing for a 2018 Freightliner Cascadia 126

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(Used) 2018 Freightliner Cascadia 126, COMPLETE REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-390, Serial Number: 771AAC-A239971T, Make: Detroit, Model: RT40-4N, Ratio: 3.08,...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2018
Part Number	C11-00042-390
Stock Number	P-97049
MLS Number	13413536
Category	Axle Housings, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Rear Differential for a 2018 Freightliner Cascadia 126

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(Used) 2018 Freightliner Cascadia 126, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-390, Serial Number: 771AAC-A239971T, Make: Detroit, Model: RT40-4N, Ratio: 3.08,...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2018
Part Number	C11-00042-390
Stock Number	P-97051
MLS Number	13413538
Category	Differentials, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Front Differential for a 2016 Western Star 5700

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(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...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Western Star
Fits To Model(s)	5700
Will Fit Year(s)	2016
Part Number	C11-00042-618
Stock Number	P-112050
MLS Number	13856125
Category	Differentials, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Rear Axle Housing for a 2016 Western Star 5700

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(Used) 2016 Western Star 5700, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-618, Serial Number: 771AAC-A187523H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity:...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	5700
Will Fit Year(s)	2016
Part Number	C11-00042-618
Stock Number	P-112052
MLS Number	13856127
Category	Axle Housings, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Rear Axle Assembly for a 2016 Western Star 5700

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(Used) 2016 Western Star 5700, COMPLETE REAR REAR TANDEM- Part Number: C11-00042-618, Serial Number: 771AAC-A187523T, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20,000 Lbs, Hub...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Western Star
Fits To Model(s)	5700
Will Fit Year(s)	2016
Part Number	C11-00042-618
Stock Number	P-112064
MLS Number	13856139
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Rear Axle Housing for a 2016 Western Star 5700

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(Used) 2016 Western Star 5700, COMPLETE REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-618, Serial Number: 771AAC-A187523T, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity:...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	5700
Will Fit Year(s)	2016
Part Number	C11-00042-618
Stock Number	P-112065
MLS Number	13856140
Category	Axle Housings, Rear
Last Updated	6/29/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Rear Differential for a 2016 Western Star 5700

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(Used) 2016 Western Star 5700, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-618, Serial Number: 771AAC-A187523T, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity:...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Western Star
Fits To Model(s)	5700
Will Fit Year(s)	2016
Part Number	C11-00042-618
Stock Number	P-112066
MLS Number	13856141
Category	Differentials, Rear
Last Updated	6/30/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Front Differential for a 2017 Freightliner Cascadia 125

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(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...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2017
Part Number	C11-00042-143
Stock Number	P-494572
MLS Number	14097814
Category	Differentials, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Rear Axle Housing for a 2017 Freightliner Cascadia 125

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(Used) 2017 Freightliner Cascadia 125, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-143, Serial Number: 771AAC-A207402H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity:...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2017
Part Number	C11-00042-143
Stock Number	P-494574
MLS Number	14097816
Category	Axle Housings, Rear
Last Updated	8/19/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Front Differential for a 2017 Freightliner Cascadia 125

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(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...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2017
Part Number	C11-00042-143
Stock Number	P-494579
MLS Number	14097821
Category	Differentials, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Rear Axle Assembly for a 2017 Freightliner Cascadia 125

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(Used) 2017 Freightliner Cascadia 125, COMPLETE REAR REAR TANDEM- Part Number: C11-00042-143, Serial Number: 771AAC-A207402T, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20,000 Lbs...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2017
Part Number	C11-00042-143
Stock Number	P-494583
MLS Number	14097825
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-4N Rear Differential

$950 USD

2.41,

Condition	Used
Stock Number	REAR-2262
MLS Number	14111308
Category	Differentials, Rear
Last Updated	3/12/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

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Detroit RT40-4N Rear Differential

$650 USD

2.62,

Condition	Used
Stock Number	REAR-1804
MLS Number	12180990
Category	Differentials, Rear
Last Updated	3/12/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

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Detroit RT40-4N Rear Differential

$650 USD

2.53,

Condition	Used
Stock Number	REAR-1802
MLS Number	12180987
Category	Differentials, Rear
Last Updated	3/12/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

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Detroit RT40-4N Rear Differential

$650 USD

2.41,

Condition	Used
Stock Number	REAR-1757
MLS Number	12180742
Category	Differentials, Rear
Last Updated	3/12/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

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Detroit RT40-4N Rear Differential

$650 USD

2.41,

Condition	Used
Stock Number	REAR-1603
MLS Number	12180163
Category	Differentials, Rear
Last Updated	3/12/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

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2007 Detroit RT40-4N Rear Differential

$950 USD

2.41,

Condition	Used
Stock Number	REAR-2116
MLS Number	13385870
Category	Differentials, Rear
Last Updated	3/12/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

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2007 Detroit RT40-4N Rear Differential

$650 USD

2.41,

Condition	Used
Stock Number	REAR-1503
MLS Number	12180062
Category	Differentials, Rear
Last Updated	3/12/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

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2018 Detroit RT40-4N Rear Axle Assembly

$3,475.24 USD

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-4N
Capacity	40,000
Stock Number	2360956
MLS Number	12978442
Category	Axle Assemblies, Rear
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

(855) 905-___ SHOW
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Detroit RT40-4N Front Differential for a 2016 Freightliner Cascadia

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MILES 626808, Ratio: 262

Condition	Used
Rear End	2.62 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2016
Stock Number	HC0897-3
MLS Number	14130631
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Detroit RT40-4N Axles & Differentials For Sale

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Showing 51 - 75 of 76 Listings