Detroit Rear Differentials For Sale

1 - 25 of 276 listings

Detroit RT40-NFD Rear Differential for a 2021 Freightliner Cascadia 126

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(Used) 2021 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-620, Serial Number: 771195B0179374, Make: Detroit, Model: RT40-NFD, Ratio: 2.85, Capacity: 20,000...

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2021
Part Number	C11-00051-620
Stock Number	P-500912
MLS Number	14264486
Category	Differentials, Rear
Last Updated	3/25/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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2021 Detroit DA-RT40.0-4T Rear Differential for a Freightliner CASCADIA

2021 Detroit RT40-NFDRR241 Rear Differential

2017 Detroit DARS-21.0-4RTBD Rear Differential

$1,500 USD

Condition	Used
Rear End	4.56 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	DARS-21.0-4RTBD
Stock Number	2612480
MLS Number	14199606
Category	Differentials, Rear
Last Updated	3/18/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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2019 Detroit RT40-NFDRR331 Rear Differential

$1,995.16 USD

ID WHEN OUT OF TRUCK

Condition	Used
Rear End	3.31 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR331
Stock Number	2611937
MLS Number	14161232
Category	Differentials, Rear
Last Updated	3/19/2026
Location	Spokane Valley, WA, US
Sold By	LKQ Heavy Truck

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2020 Detroit RT40-NFD Rear Differential for a Freightliner Cascadia

$1,540 USD

(USED) Detroit RT40-NFD Ratio: 2.28 Side Gear Splines: 40 W/ Locker: NO Cast#: R7753511205 Ref# N/A

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Part Number	N/A
Stock Number	25775848
MLS Number	13495169
Category	Differentials, Rear
Last Updated	3/20/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2019 Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

$1,500 USD

DA-RT-40.0-4S (RT40-NFD) Rear - 3.08 Ratio - Pullout - DIFF ONLY, HOUSING SOLD SEPARATELY.

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Stock Number	4333-29
MLS Number	14108739
Category	Differentials, Rear
Last Updated	3/13/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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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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Detroit DA-RT-40.0-4S Rear Differential for a 2022 Freightliner Cascadia 126

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(Used) 2022 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-620, Serial Number: 771195B0245935, Make: Detroit, Model: DA-RT-40.0-4S, Ratio: 2.85, Capacity: 20...

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2022
Part Number	C11-00051-620
Stock Number	P-499430
MLS Number	14232068
Category	Differentials, Rear
Last Updated	3/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit RT40-NFD Rear Differential for a 2021 Freightliner Cascadia 126

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(Used) 2021 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-618, Serial Number: 771195B0160106, Make: Detroit, Model: RT40-NFD, Ratio: 2.41, Capacity: 20,000...

Condition	Used
Rear End	2.41 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2021
Part Number	C11-00051-618
Stock Number	P-499331
MLS Number	14231950
Category	Differentials, Rear
Last Updated	3/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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2020 Detroit RT40-NFDRR228 Rear Differential

$2,395.16 USD

Condition	Remanufactured
Rear End	2.28 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR228
Stock Number	2547204
MLS Number	13751109
Category	Differentials, Rear
Last Updated	3/6/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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2020 Detroit RTL40-NFDRR285 Rear Differential

$1,750.16 USD

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RTL40-NFDRR285
Stock Number	2613961
MLS Number	14222317
Category	Differentials, Rear
Last Updated	3/5/2026
Location	Wykoff, MN, US
Sold By	LKQ Heavy Truck

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Detroit RT40-NFDRR308 Rear Differential

$3,007.34 USD

Condition	Remanufactured
Rear End	3.08 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR308
Stock Number	2007422
MLS Number	12477513
Category	Differentials, Rear
Last Updated	3/4/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

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2013 Detroit RT40-NFDRR342 Rear Differential

$1,500.16 USD

771AAC-A090773T

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR342
Stock Number	2475837
MLS Number	14210637
Category	Differentials, Rear
Last Updated	3/1/2026
Location	Wykoff, MN, US
Sold By	LKQ Heavy Truck

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2022 Detroit RT40-NFDRR285 Rear Differential

$1,500.16 USD

USED DART400-4RR285 REAR REAR DIFFERENTIAL ASSY

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR285
Stock Number	2569797
MLS Number	14191254
Category	Differentials, Rear
Last Updated	3/1/2026
Location	Henderson, CO, US
Sold By	LKQ Heavy Truck

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2015 Detroit DARS-21.0-4R556 Rear Differential

$650 USD

DARS21.04-5.56

Condition	Used
Rear End	5.56 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	DARS-21.0-4R556
Stock Number	2566745
MLS Number	14191243
Category	Differentials, Rear
Last Updated	3/1/2026
Location	Henderson, CO, US
Sold By	LKQ Heavy Truck

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Detroit RT40-NFDRR285 Rear Differential

$1,500.16 USD

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR285
Stock Number	2453445
MLS Number	14178531
Category	Differentials, Rear
Last Updated	2/28/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

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2019 Detroit RT40-NFDRR308 Rear Differential

$1,500.16 USD

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR308
Stock Number	2253575
MLS Number	14168930
Category	Differentials, Rear
Last Updated	2/28/2026
Location	Tampa, FL, US
Sold By	LKQ Heavy Truck

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Detroit RT40-4N Rear Differential for a 2014 Freightliner Cascadia 125

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(Used) 2014 Freightliner Cascadia 125, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-045, Serial Number: 771AAC-A112546T, Make: Detroit, Model: RT40-4N, Ratio: 2.53, Capacity: 20,000...

Condition	Used
Rear End	2.53 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2014
Part Number	C11-00042-045
Stock Number	P-498552
MLS Number	14166977
Category	Differentials, Rear
Last Updated	2/27/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Detroit Rear Differentials For Sale

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