Used Detroit Rear Axle Assemblies For Sale

Detroit DA-RT-40.0-4 Rear Axle Assembly for a 2021 Freightliner Cascadia 126

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(Used) 2021 Freightliner Cascadia 126, COMPLETE REAR REAR TANDEM- Part Number: C11-00051-656, Serial Number: 771195B0201298, 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)	2021
Part Number	C11-00051-620
Stock Number	P-491476
MLS Number	14049955
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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

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(Used) 2022 Freightliner Cascadia 126, COMPLETE REAR REAR TANDEM- Part Number: C11-00051-620, Serial Number: 771195B0292414, Make: Detroit, Model: DA-RT-40.0-4, 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)	2022
Part Number	C11-00051-620
Stock Number	P-111429
MLS Number	13825752
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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

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(Used) 2018 Freightliner Cascadia 126, COMPLETE REAR REAR TANDEM- Part Number: C11-00051-261, Serial Number: 771DDC-A004833T, 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)	2018
Part Number	C11-00051-261
Stock Number	P-108722
MLS Number	13752271
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RS21-4 Rear Axle Assembly for a 2020 Freightliner M2 106

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(Used) 2020 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00009-160, Serial Number: 742821B0120691, Make: Detroit, Model: RS21-4, Ratio: 5.88, Capacity: 17,500 Lbs, Hub...

Condition	Used
Rear End	5.88 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2020
Part Number	C11-00009-160
Stock Number	P-496977
MLS Number	14142541
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RS21-4 Rear Axle Assembly for a 2020 Freightliner M2 106

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(Used) 2020 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00007-208, Serial Number: 742821B0095274, Make: Detroit, Model: RS21-4, Ratio: 5.56, Capacity: 19,000 Lbs, Hub...

Condition	Used
Rear End	5.56 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2020
Part Number	C11-00007-208
Stock Number	P-495132
MLS Number	14108417
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RS21-4 Rear Axle Assembly for a 2022 Freightliner M2 106

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(Used) 2022 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00007-208, Serial Number: 742821B0235160, Make: Detroit, Model: RS21-4, Ratio: 5.56, Capacity: 19,000 Lbs, Hub...

Condition	Used
Rear End	5.56 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2022
Part Number	C11-00007-208
Stock Number	P-102285
MLS Number	13583949
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit DA-RS-19.0-4 Rear Axle Assembly for a 2018 Freightliner M2 106

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(Used) 2018 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00007-206, Serial Number: 742821-A182224, Make: Detroit, Model: DA-RS-19.0-4, Ratio: 5.56, Capacity: 19,000 Lbs,...

Condition	Used
Rear End	5.56 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2018
Part Number	C11-00007-206
Stock Number	P-495589
MLS Number	14119850
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit R21-4N Rear Axle Assembly for a 2017 Freightliner M2 106

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(Used) 2017 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00008-319, Serial Number: 742821-A146375, Make: Detroit, Model: R21-4N, Ratio: 5.56, Capacity: 21,000 Lbs, ...

Condition	Used
Rear End	5.56 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2017
Part Number	C11-00008-319
Stock Number	P-104032
MLS Number	13634141
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit R21-4N Rear Axle Assembly for a 2016 Freightliner M2 106

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(Used) 2016 Freightliner M2 106, COMPLETE REAR AXLE- Make: Detroit, Model: R21-4N, Capacity: 21,000 Lbs, Ratio: 5.56, Hub Bolts: 10, Brake Type: Drum, Serial Number: 742821A110903, For...

Condition	Used
Rear End	5.56 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2016
Stock Number	P-35470
MLS Number	11764227
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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

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(Used) 2022 Freightliner Cascadia 126, COMPLETE REAR REAR TANDEM- Part Number: C11-00051-620, Serial Number: 771195B0245935, Make: Detroit, Model: DA-RT-40.0-4S, 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-499428
MLS Number	14232066
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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

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(Used) 2020 Freightliner Cascadia 126, COMPLETE REAR REAR TANDEM- Part Number: A775350 1230, Serial Number: DDC19FZ 462653, Make: Detroit, Model: DART4004S, Capacity: 20,000 Lbs, Ratio:...

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-66166
MLS Number	12484260
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RS20-4 Rear Axle Assembly for a 2020 Freightliner M2 106

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

Condition	Used
Rear End	5.25 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-107372
MLS Number	13700628
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RS20-4 Rear Axle Assembly for a 2019 Freightliner M2 106

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(Used) 2019 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00008-188, Serial Number: 742818B0011586, Make: Detroit, Model: RS20-4, Ratio: 5.22, Capacity: 21,000 Lbs, Hub...

Condition	Used
Rear End	5.22 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2019
Part Number	C11-00008-188
Stock Number	P-105139
MLS Number	13654960
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RS21-4 Rear Axle Assembly for a 2020 Freightliner M2 106

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(Used) 2020 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00007-109, Serial Number: 742821B0084685, Make: Detroit, Model: RS21-4, Ratio: 5.88, Capacity: 19,000 Lbs, Hub...

Condition	Used
Rear End	5.88 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2020
Part Number	C11-00007-109
Stock Number	P-502206
MLS Number	14318216
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RS21-4 Rear Axle Assembly for a 2019 Freightliner M2 106

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(Used) 2019 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00007-217, Serial Number: 742821B0055761, Make: Detroit, Model: RS21-4, Ratio: 5.56, Capacity: 21,000 Lbs, Hub...

Condition	Used
Rear End	5.56 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2019
Part Number	C11-00007-217
Stock Number	P-501444
MLS Number	14284098
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RS20-4N Rear Axle Assembly for a 2025 Freightliner B2

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

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-110472
MLS Number	13798097
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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2018 Detroit DART400-4R Rear Axle Assembly

$2,500.34 USD

Condition	Used
Rear End	2.41 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	DART400-4R
Capacity	40000
Stock Number	2412717
MLS Number	12902280
Category	Axle Assemblies, Rear
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

(855) 905-___ SHOW
NUMBERCall Seller

2018 Detroit DART400-4F Rear Axle Assembly

$3,500.24 USD

Condition	Used
Rear End	2.41 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	DART400-4F
Capacity	40000
Stock Number	2412716
MLS Number	12902279
Category	Axle Assemblies, Rear
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

(833) 835-___ SHOW
NUMBERCall Seller

Detroit RT40-NFD Rear Axle Assembly for a 2020 Freightliner Cascadia 126

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Detroit RT40NFD rear rear differential for sale, ratio 2.16,- DA-RT-40.0-4T HH NFD Capacity: 40,000 lbs in good condition. Call for more information, we ship everywhere, Serial#:...

Condition	Used
Rear End	2.16 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2020
Stock Number	FR-0874-32
MLS Number	13695663
Category	Axle Assemblies, Rear
Last Updated	5/14/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.