Detroit Rear Differentials For Sale below $10,000

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2020 Detroit RT40-NFDRR285 Rear Differential

Recently Updated

$1,995.16 USD

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR285
Stock Number	2643568
MLS Number	14413048
Category	Differentials, Rear
Last Updated	10/22/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

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

Recently Updated

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DA-RT-40.0-4S Rear - Ratio Pending - Pullout. Diff Only, Housing Sold Separately.

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Stock Number	4491-3
MLS Number	14379304
Category	Differentials, Rear
Last Updated	10/21/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(844) 402-___ SHOW
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Detroit Rear Differential for a 2020 Western Star 5700

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(Used) 2020 Western Star 5700, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-253, Serial Number: 771195A0060107, Make: Detroit, Model: RT40-NFD-N, Ratio: 2.41, Capacity: 20,000 Lbs,...

Condition	Used
Rear End	2.41 ratio
Fits To Make(s)	Western Star
Fits To Model(s)	5700
Will Fit Year(s)	2020
Part Number	C11-00051-253
Stock Number	P-494377
MLS Number	14094417
Category	Differentials, Rear
Last Updated	10/21/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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

Recently Updated

$900 USD

DA-RT-40.0-4TR - 3.08 Ratio - Core - Grade C - Rebuildable - Blown Side Gears - Good Gearset. Core Unit Sold As-Is.

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Stock Number	36082
MLS Number	14541717
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4S Rear Differential

Recently Updated

$1,850 USD

DA-RT-40.0-4S-285 - Refurbished - 6 Month Warranty

Condition	Used
Rear End	2.85 ratio
Stock Number	DA-RT-40.0-4S-285-R
MLS Number	14420732
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4S Rear Differential

Recently Updated

$5,750 USD

DA-RT-40.0-4S-264 - Rebuilt - 1 Year Warranty

Condition	Remanufactured
Rear End	2.64 ratio
Stock Number	DA-RT-40.0-4S-264-R
MLS Number	14386831
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4S Rear Differential

Recently Updated

$2,500 USD

DA-RT-40.0-4S-285 - Rebuilt - 1 Year Warranty

Quantity	3
Condition	Remanufactured
Rear End	2.85 ratio
Stock Number	DA-RT-40.0-4S-285-R
MLS Number	14363200
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2023 Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

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DA-RT-40.0-4SR - 2.64 Ratio - Pullout. Diff Only, Housing Sold Separately.

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Stock Number	4468-3
MLS Number	14347655
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

Recently Updated

$1,500 USD

DA-RT-40.0-4SR - 2.85 Ratio - Core - Grade C - Rebuildable - (RT40-NFD Rear) - 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	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4T Rear Differential

Recently Updated

$1,500 USD

DA-RT-40.0-4TR - 2.41 Ratio - Core - Grade C - Rebuildable - NFD (RT40-NFD-N Rear) - Broken Gearset. Core Unit Sold As-Is.

Condition	Used
Rear End	2.41 ratio
Stock Number	29362
MLS Number	14333246
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

Recently Updated

$1,500 USD

DA-RT-40.0-4SR - 2.85 Ratio - Core - Grade C - Rebuildable - (RT40-NFD Rear) - 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	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

Recently Updated

$1,500 USD

DA-RT-40.0-4SR - 2.85 Ratio - Core - Grade D - HH (RT40-NFD Rear) - Broken Gearset - Burnt Pinion Bearings - Good Case. 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	28877
MLS Number	14319900
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

Recently Updated

$900 USD

DA-RT-40.0-4SR - 2.85 Ratio - Core - Grade C - Rebuildable - Rear (RT40-NFD) - 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	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2020 Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 116 Day Cab

Recently Updated

$1,500 USD

DA-RT-40.0-4SR - 3.23 Ratio - Pullout - Grade A - (RT40-NFD) - Unit in Good Condition.

Condition	Used
Rear End	3.23 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 116 Day Cab
Stock Number	4193-6
MLS Number	13983816
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RS-19.0-2 Rear Differential

Recently Updated

$900 USD

DA-RS-19.0-2 - 5.71 Ratio - Core - Grade C - Rebuildable - (R19-2N) - Pinion Bearings Worn - Gearset Worn. Core Unit Sold As-Is. S/N 742820-A231318. P/N C11-00001-010.

Condition	Used
Rear End	5.71 ratio
Stock Number	4541027
MLS Number	13896562
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2022 Detroit DA-RS-20.0-4 Rear Differential for a Freightliner M2 106

Recently Updated

$1,500 USD

DA-RS-20.0-4 - 5.56 Ratio - Pullout - (RS20-4). Diff Only, Housing Sold Separately.

Condition	Used
Rear End	5.56 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	M2 106
Stock Number	1775-3
MLS Number	13895495
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

Recently Updated

$600 USD

DA-RT-40.0-4SR - 2.85 Ratio - Core - Grade D - (RT40-NFD Rear) - Ring Pinion Have Broken Teeth. Core Unit Sold As-Is. S/N 771195B190965. P/N C11-00051-620.

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	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

Recently Updated

$900 USD

DA-RT-40.0-4 Rear - 2.85 Ratio - Core - Grade C - Rebuildable - (RT40-NFD) - Blown Side Gear Pinions - Ring Gear Carrier Cracked. 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	4539290
MLS Number	13892979
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Detroit DA-RT-40.0-4S Rear Differential for a 2023 Freightliner Cascadia 126

Newly Listed

$2,295 USD

DART 400-4S, 2.85 RATIO, WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY., 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)	2023
Stock Number	10326-3
MLS Number	14668952
Category	Differentials, Rear
Last Updated	10/16/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(844) 402-___ SHOW
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Detroit RS21-4 Rear Differential for a 2024 Freightliner M2 106

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(Used) 2024 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: C11-00007-217, Serial Number: 742821A0267291, Make: Detroit, Model: RS21-4, 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)	2024
Part Number	C11-00007-217
Stock Number	P-497944
MLS Number	14157193
Category	Differentials, Rear
Last Updated	10/22/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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2022 Detroit RTL40-NFDRR285 Rear Differential

$2,295.16 USD

MILEAGE - 487,177, LOCKER

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RTL40-NFDRR285
Stock Number	2696191
MLS Number	14598713
Category	Differentials, Rear
Last Updated	10/7/2026
Location	Jackson, MS, US
Sold By	LKQ Heavy Truck

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2019 Detroit RT40-NFD Rear Differential for a Freightliner CASCADIA 125

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USED DETROIT RT40-NFD REAR REAR DIFFERENTIAL ASSY/3.08 RATIO

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CASCADIA 125
Stock Number	88853
MLS Number	12834175
Category	Differentials, Rear
Last Updated	10/2/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
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2021 Detroit RT40-NFD Rear Differential for a Freightliner CASCADIA 126

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USED DETROIT RT40-NFD REAR REAR DIFFERENTIAL/2.85

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CASCADIA 126
Stock Number	98276
MLS Number	13279756
Category	Differentials, Rear
Last Updated	10/2/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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Detroit Rear Differential for a 2019 Freightliner Cascadia 126

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Detroit DA-RT-40.0-4 HT Rear Rear Differential For Sale 3.23 Ratio - full locker in good condition. Give us a shout by phone, email, or text. We ship everywhere., Serial#: 771198B0062860,...

Condition	Used
Rear End	3.23 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2019
Part Number	DA-RT-40.0-4 HT
Stock Number	FR-0861-5
MLS Number	13320900
Category	Differentials, Rear
Last Updated	9/26/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.