Used Detroit Rear Differentials For Sale by Dealerships

2020 Detroit RT40-NFDRR216 Rear Differential

$2,000 USD

186630-821- Used Detroit RT40 Rear Rear Differential 2.16 Ratio, 2020 FREIGHTLINER CASCADIA 126

Condition	Used
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR216
Stock Number	2444709
MLS Number	13109914
Category	Differentials, Rear
Last Updated	10/30/2025
Location	Spokane Valley, WA, US
Sold By	LKQ Heavy Truck

Detroit DA-RT-40.0-4S Rear Differential for a 2020 Freightliner Cascadia 126

$2,749.97 USD

(Core) 2020 Freightliner Cascadia 126, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: A775350 1230, Serial Number: DDC19FZ 462653, Make: Detroit, Model: DART4004S, Capacity: 20,000 Lbs,...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2020
Part Number	A775350 1230
Stock Number	P-66171
MLS Number	12484265
Category	Differentials, Rear
Last Updated	10/27/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2020 Detroit RT40-NFD Rear Differential for a Freightliner Cascadia

$1,540 USD

(USED) Detroit RT40-NFD Ratio: 2.85 Side Gear Splines: 40 W/ Locker: NO Cast#: R7753511205

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25816150
MLS Number	13664258
Category	Differentials, Rear
Last Updated	10/22/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2019 Detroit RT40-NFDRR285 Rear Differential

$2,000 USD

DETROIT RT40-NFD, 2.85 RATIO

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR285
Stock Number	2530753
MLS Number	13648350
Category	Differentials, Rear
Last Updated	10/21/2025
Location	Easton, MD, US
Sold By	LKQ Heavy Truck

Detroit RT40-NFDRR228 Rear Differential

$2,000 USD

OILER, NON-LOCKER

Condition	Used
Rear End	2.28 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR228
Stock Number	2566067
MLS Number	13880968
Category	Differentials, Rear
Last Updated	10/11/2025
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

(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	11/4/2025
Location	York, ON, Canada
Sold By	Lomoca Inc.

(866) 314-___ SHOW
NUMBERCall Seller

Detroit RT40-4N Rear Differential

$950 USD

2.41,

Condition	Used
Stock Number	REAR-2130
MLS Number	13498786
Category	Differentials, Rear
Last Updated	10/15/2025
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

2017 Detroit RT40.0-4 Rear Differential for a Freightliner Cascadia

$1,150 USD

(USED) Detroit RT40.0-4 Ratio: 3.23 Side Gear Splines: 41 W/ Locker: YES Cast#: R6813510905

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25699522
MLS Number	13270462
Category	Differentials, Rear
Last Updated	10/9/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(833) 541-___ SHOW
NUMBERCall Seller

Detroit Rear Differential for a 2022 Western Star 5700

$2,295 USD

DART40 RR LATE 2.85 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 2.85

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Western Star
Fits To Model(s)	5700
Will Fit Year(s)	2022
Stock Number	92325-2
MLS Number	13867447
Category	Differentials, Rear
Last Updated	10/4/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2020 Detroit DART-400-4N Rear Differential for a Freightliner Cascadia

$1,540 USD

(USED) Detroit DART-400-4N Ratio: 2.41 Side Gear Splines: 40 W/ Locker: NO Cast#: R7763611205

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25815552
MLS Number	13660936
Category	Differentials, Rear
Last Updated	10/4/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2021 Detroit DART400-4RR308 Rear Differential

$2,450 USD

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	DART400-4RR308
Stock Number	2382063
MLS Number	13862505
Category	Differentials, Rear
Last Updated	10/2/2025
Location	Watseka, IL, US
Sold By	LKQ Heavy Truck

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

Contact for price

(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	9/30/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2019 Detroit RS23-6NR307 Rear Differential

$2,450 USD

Condition	Used
Rear End	3.07 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RS23-6NR307
Stock Number	2343586
MLS Number	13238419
Category	Differentials, Rear
Last Updated	9/23/2025
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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

Contact for price

(Used) 2022 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-620, Serial Number: 771195B0292414, Make: Detroit, Model: DA-RT-40.0-4, Ratio: 2.85, Capacity:...

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-111431
MLS Number	13825754
Category	Differentials, Rear
Last Updated	9/20/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RS20-4N Rear Differential for a 2025 Freightliner B2

Contact for price

(Used) 2025 Freightliner B2, DIFFERENTIAL GEARS ONLY- Part Number: C11-00008-235, Serial Number: 742821A0305883, Make: Detroit, Model: RS20-4N, Ratio: 6.14, Capacity: 21,000 Lbs, For more...

Condition	Used
Rear End	6.14 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	B2
Will Fit Year(s)	2025
Part Number	C11-00008-235
Stock Number	P-110474
MLS Number	13798099
Category	Differentials, Rear
Last Updated	9/6/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit Rear Differential for a 2006 Freightliner M2 106

Contact for price

(Used) 2006 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: C11-00010-063, Serial Number: 742821-A012540, Make: Detroit, Model: RS23-4, Ratio: 3.91, Capacity: 22,700 Lbs, For more...

Condition	Used
Rear End	3.91 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2006
Part Number	C11-00010-063
Stock Number	P-109825
MLS Number	13784977
Category	Differentials, Rear
Last Updated	8/28/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(833) 541-___ SHOW
NUMBERCall Seller

Detroit DA-RT-40.0-4 Rear Differential for a 2014 Freightliner Cascadia 125

Contact for price

DART400 RR 2.53 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 2.53

Condition	Used
Rear End	2.53 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2014
Stock Number	82625-2
MLS Number	13784451
Category	Differentials, Rear
Last Updated	8/28/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Detroit Rear Differential for a 2007 Freightliner M2 106

Contact for price

(Used) 2007 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: C11-00010-063, Serial Number: 742821-A023510, Make: Detroit, Model: RS23-4, Ratio: 3.91, Capacity: 22,700 Lbs, For more...

Condition	Used
Rear End	3.91 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2007
Part Number	C11-00010-063
Stock Number	P-109687
MLS Number	13781800
Category	Differentials, Rear
Last Updated	8/27/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2022 Detroit RT40-NFD Rear Differential for a Freightliner Cascadia

$1,540 USD

(USED) Detroit RT40-NFD Ratio: 2.85 Side Gear Splines: 40 W/ Locker: NO Cast#: R7753511205 Ref# 771195B0284200

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Part Number	771195B0284200
Stock Number	25466902
MLS Number	12209877
Category	Differentials, Rear
Last Updated	8/14/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

Detroit DA-RT-40.0-4 Rear Differential for a 2018 Freightliner Cascadia 126

$1,499.99 USD

(Used) 2018 Freightliner Cascadia 126, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-261, Serial Number: 771DDC-A004833T, Make: Detroit, Model: DA-RT-40.0-4, Ratio: 2.85,...

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2018
Part Number	C11-00051-261
Stock Number	P-108726
MLS Number	13752276
Category	Differentials, Rear
Last Updated	9/13/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RT40-NFD Rear Differential for a 2020 Freightliner Cascadia 126

Contact for price

(Used) 2020 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-658, Serial Number: 771195B0093474, Make: Detroit, Model: RT40-NFD, Ratio: 2.16, Capacity: 20,000...

Condition	Used
Rear End	2.16 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2020
Part Number	C11-00051-658
Stock Number	P-108569
MLS Number	13749375
Category	Differentials, Rear
Last Updated	8/8/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2016 Detroit RS20.0-6 Rear Differential for a Freightliner Cascadia

$1,426 USD

(USED) Detroit RS20.0-6 Ratio: 2.53 Side Gear Splines: 40 W/ Locker: YES Cast#: N/A Ref# N/A

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Part Number	N/A
Stock Number	25648854
MLS Number	12873078
Category	Differentials, Rear
Last Updated	8/8/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2020 Detroit RT40-NFD Rear Differential for a Freightliner Cascadia

$1,540 USD

(USED) Detroit RT40-NFD Ratio: 3.08 Side Gear Splines: 40 W/ Locker: NO Cast#: R7753511205

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25811756
MLS Number	13647644
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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

Contact for price

(Used) 2021 Freightliner Cascadia 126, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-621, Serial Number: 771195A0138253, Make: Detroit, Model: RT40-NFD, Ratio: 2.16, Capacity...

Condition	Used
Rear End	2.16 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2021
Part Number	C11-00051-621
Stock Number	P-108012
MLS Number	13726631
Category	Differentials, Rear
Last Updated	7/27/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts