Detroit Rear Differentials For Sale

(844) 402-___ SHOW
NUMBERCall Seller

Detroit RS20-4 Rear Differential for a 2020 Freightliner M2 106

Contact for price

(Used) 2020 Freightliner M2 106, COMPLETE DIFFERENTIAL GEARS ONLY- Part Number: C11-00008-138, Serial Number: 742821B0079232, Make: Detroit, Model: RS20-4, Ratio: 5.25, Capacity: 21,000 lbs,...

Condition	Used
Rear End	2.25 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2020
Part Number	C11-00008-138
Stock Number	P-107374
MLS Number	13700630
Category	Differentials, Rear
Last Updated	8/7/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(833) 835-___ SHOW
NUMBERCall Seller

Detroit D742821 Rear Differential for a 2020 Freightliner M2 106

Contact for price

Detroit RS40-4 rear differential, for sale, ratio: 6.14 in good condition. Call for more information. We ship everywhere., Core Charge: 0, Ratio: 6.14

Condition	Used
Rear End	6.14 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2020
Part Number	D742821
Stock Number	FR-0899-4
MLS Number	13879313
Category	Differentials, Rear
Last Updated	5/14/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.

(844) 402-___ SHOW
NUMBERCall Seller

Detroit DA-RT-44.0-4 Rear Differential for a 2017 Western Star 4700

Contact for price

(Used) 2017 Western Star 4700, REAR DIFFERENTIAL GEARS ONLY- Serial Number: 771AAC-A212468T, Part Number: C11-00011-320, Make: Detroit, Model: DA-RT-44.0-4, Ratio: 4.78, Capacity: 22,000 Lbs...

Condition	Used
Rear End	4.78 ratio
Fits To Make(s)	Western Star
Fits To Model(s)	4700
Will Fit Year(s)	2017
Part Number	C11-00011-320
Stock Number	P-493428
MLS Number	14077604
Category	Differentials, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2021 Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

$1,500 USD

Core - DA-RT40.0-4S (RT40-NFD Rear) - 2.85 Ratio - grade c - rebuildable - pited bearings, gearset looks good. core unit sold as is.

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Stock Number	29475
MLS Number	14318356
Category	Differentials, Rear
Last Updated	4/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

$1,500 USD

Core- DA-RT40.0-4S (RT40-NFD Rear) - 2.85 Ratio - Grade C - rebuildable - blown side gears, worn pinion, core unit sold as-is.

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Freightliner
Stock Number	29359
MLS Number	14318352
Category	Differentials, Rear
Last Updated	4/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

$900 USD

DA-RT-40.0-4S Rear (RT40-NFD) - 2.85 Ratio - Core - Grade C - Rebuildable - Missing Yoke, Lower Pinion Bearings Worn, Good Gearset. CORE UNIT SOLD AS-IS

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Stock Number	28261
MLS Number	14100119
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RS-19.0-2 Rear Differential

$900 USD

DA-RS-19.0-2 (R19-2N) - 5.71 Ratio - Core - Grade C - Rebuildable - Pinion Bearings Worn, Gear Set Worn. P/N C11-00001-010, S/N 742820-A231318. CORE UNIT SOLD AS-IS

Condition	Used
Rear End	5.71 ratio
Stock Number	4541027
MLS Number	13896562
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4S Rear Differential for a Unmarked N/A

$600 USD

DA-RT40.0-4S (RT40-NFD Rear) - 2.85 Ratio - Core - Grade D - Ring Pinion Have Broken Teeth. P/N C11-00051-620, S/N 771195B190965. CORE UNIT SOLD AS-IS

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Unmarked
Fits To Model(s)	N/A
Stock Number	4540029
MLS Number	13894889
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit RT40-NFDRR228 Rear Differential

$1,500.16 USD

WITH OILER, NON-LOCKER

Condition	Used
Rear End	2.28 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR228
Stock Number	2554355
MLS Number	14224968
Category	Differentials, Rear
Last Updated	4/29/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

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	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

2021 Detroit RT40-NFDRR241 Rear Differential

$1,995.16 USD

Condition	Used
Rear End	2.41 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR241
Stock Number	2585508
MLS Number	14020082
Category	Differentials, Rear
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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

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

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

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

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

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

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

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	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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	4/29/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

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	4/29/2026
Location	Wykoff, MN, US
Sold By	LKQ Heavy Truck

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	4/29/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

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	4/29/2026
Location	Tampa, FL, US
Sold By	LKQ Heavy Truck

2007 Detroit RT40-NFDRR358 Rear Differential

$1,995.16 USD

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR358
Stock Number	2591791
MLS Number	14136751
Category	Differentials, Rear
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck