Detroit Front Differentials For Sale

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

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(Used) 2021 Freightliner Cascadia 126, COMPLETE FRONT REAR TANDEM- Part Number: C11-00051-618, Serial Number: 771194B0160105, 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-499315
MLS Number	14231930
Category	Differentials, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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

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(Used) 2014 Freightliner Cascadia 125, COMPLETE FRONT REAR TANDEM- Part Number: C11-00042-045, Serial Number: 771AAC-A112546H, 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-498544
MLS Number	14166968
Category	Differentials, Front
Last Updated	7/11/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit DA-RT-40.0-4S Front Differential

$800 USD

DA-RT40.0-4S Front (RT40-NFD) - 2.85 Ratio - Core - Grade D - Main Case Cracked, Gearset Broken Teeth, Noisy Power Divider, Side Gear Case Broken, Pinion Bearing Damaged. P/NC11-00051-620, S...

Condition	Used
Rear End	2.85 ratio
Stock Number	4540456
MLS Number	13895715
Category	Differentials, Front
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

$800 USD

DA-RT40.0-4S (RT40-NFD Front) - 2.85 Ratio - Core - Grade D - Ring Pinion Have Broken Teeth, Hole In Main Case. 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	4540026
MLS Number	13894887
Category	Differentials, Front
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

$800 USD

Core - DA-RT40.0-4S (RT40-NFD) Front - 3.08 Ratio - Core - Grade C - Rebuildable - Bad gear set, Case Looks good, missing retainer. 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	29242
MLS Number	14303854
Category	Differentials, Front
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2007 Detroit RT40-NFDFR358 Front Differential

$3,295.16 USD

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDFR358
Stock Number	2591790
MLS Number	14136750
Category	Differentials, Front
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

Detroit RT40-NFDRR264 Front Differential

$2,395.16 USD

Condition	Remanufactured
Rear End	2.64 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR264
Stock Number	2168590
MLS Number	11616546
Category	Differentials, Front
Last Updated	4/29/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

2013 Detroit Front Differential for a Detroit RT40-NFDFR342

$3,295.16 USD

771AAC-A090773H

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDFR342
Stock Number	2475836
MLS Number	13646312
Category	Differentials, Front
Last Updated	4/29/2026
Location	Wykoff, MN, US
Sold By	LKQ Heavy Truck

Detroit Front Differential for a Detroit RT40-NFDFR342

$3,995.16 USD

Condition	Remanufactured
Rear End	3.42 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDFR342
Stock Number	2078200
MLS Number	13283981
Category	Differentials, Front
Last Updated	4/29/2026
Location	Henderson, CO, US
Sold By	LKQ Heavy Truck

Detroit RT40-NFDFR323 Front Differential

$3,995.16 USD

Condition	Remanufactured
Rear End	3.23 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDFR323
Stock Number	2534260
MLS Number	13861371
Category	Differentials, Front
Last Updated	4/29/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

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

$4,750 USD

USED DETROIT RT40-NFD FRONT REAR DIFFERENTIAL/3.08 RATIO

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CASCADIA 125
Stock Number	88852
MLS Number	12834174
Category	Differentials, Front
Last Updated	4/2/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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2020 Detroit RT40-NFD Front Differential for a Freightliner CASCADIA 126

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USED DETROIT RT40-NFD CUTOFF/2.64 RATIO/AIRLINER SUSPENSION/DISC BRAKE

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CASCADIA 126
Stock Number	90217
MLS Number	12961102
Category	Differentials, Front
Last Updated	6/29/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2020 Detroit RT40-NFDFR308 Front Differential

Detroit DA-RT-40.0-4S Front Differential

Newly Listed

$1,950 USD

Core - DA-RT-40.0-4S 3.08 Ratio

Condition	Used
Rear End	3.08 ratio
Stock Number	36797
MLS Number	14541765
Category	Differentials, Front
Last Updated	8/13/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2024 Detroit DA-RT-40.0-4S Front Differential for a Freightliner Cascadia 126

Newly Listed

$975 USD

Core - Detroit DA-RT40.0-4S - 2.85 Ratio

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Stock Number	35998
MLS Number	14541709
Category	Differentials, Front
Last Updated	8/13/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2019 Detroit DA-RT-40.0-4S Front Differential for a Freightliner CASCADIA

Newly Listed

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Core - DA-RT-40.0-4 Front - 2.85 Ratio

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CASCADIA
Stock Number	31199
MLS Number	14541665
Category	Differentials, Front
Last Updated	8/13/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit RTL40-NFDFR228 Front, Rear Differential Assembly

Newly Listed

$2,750.16 USD

WITH LOCKER, WITH OILER

Condition	Used
Rear End	2.28 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RTL40-NFDFR228
Stock Number	2686245
MLS Number	14536711
Category	Differentials, Front
Last Updated	8/12/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

Detroit DA-RT-40.0-4S Front Differential

Newly Listed

$6,250 USD

DA-RT-40.0-4S 3.08 Ratio

Condition	New
Rear End	3.08 ratio
Stock Number	36718
MLS Number	14532682
Category	Differentials, Front
Last Updated	8/8/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4S Front Differential

Newly Listed

$6,250 USD

DA-RT-40.0-4S 2.85 Ratio

Condition	New
Rear End	2.85 ratio
Stock Number	36716
MLS Number	14532680
Category	Differentials, Front
Last Updated	8/8/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4S Front Differential

Newly Listed

$3,250 USD

DA-RT-40.0-4S 2.41 Ratio

Condition	Used
Rear End	2.41 ratio
Stock Number	36714
MLS Number	14532678
Category	Differentials, Front
Last Updated	8/8/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2017 Detroit RT40-NFDFR285 Front, Rear Differential Assembly

$3,295.16 USD

MILEAGE - 116,233

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDFR285
Stock Number	2684003
MLS Number	14520918
Category	Differentials, Front
Last Updated	8/4/2026
Location	Jackson, MS, US
Sold By	LKQ Heavy Truck

2018 Detroit RT40-NFDFR216 Front Differential

$2,750 USD

FRONT DIFFERENTIAL, DETROIT RT40-NFD-2.16

Condition	Used
Rear End	2.16 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDFR216
Stock Number	2666469
MLS Number	14450288
Category	Differentials, Front
Last Updated	7/16/2026
Location	Henderson, CO, US
Sold By	LKQ Heavy Truck

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2016 Detroit RT40.0-4 Front Differential for a Freightliner Cascadia

$1,754 USD

(USED) Detroit RT40.0-4 Ratio: 2.62 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510605 Ref# N.A MISSING OEM TAG

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Part Number	N.A
Stock Number	26009360
MLS Number	14411640
Category	Differentials, Front
Last Updated	6/26/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2019 Detroit RT40-NFDFR308 Front Differential

$3,295.16 USD

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDFR308
Stock Number	2656161
MLS Number	14407858
Category	Differentials, Front
Last Updated	6/11/2026
Location	Easton, MD, US
Sold By	LKQ Heavy Truck