Detroit Front Differentials For Sale in United States

(844) 402-___ SHOW
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Detroit DA-RT-40.0-4 Front Differential for a 2021 Freightliner Cascadia 126

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(Used) 2021 Freightliner Cascadia 126, COMPLETE FRONT REAR TANDEM- Part Number: C11-00051-656, Serial Number: 771194B0201297, 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-491463
MLS Number	14049942
Category	Differentials, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(844) 402-___ SHOW
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Detroit DA-RT-40.0-4 Front Differential for a 2018 Freightliner Cascadia 126

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(Used) 2018 Freightliner Cascadia 126, COMPLETE FRONT REAR TANDEM- Part Number: C11-00051-261, Serial Number: 771DDC-A004833H, 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-108708
MLS Number	13752255
Category	Differentials, Front
Last Updated	5/13/2026
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-40.0-4 Front Differential

$800 USD

DA-RT40.0-4 Front - 2.85 Ratio - Core - Grade D - Hole Crack In Case, Gearset Broken Teeth, Bearings Worn. CORE UNIT SOLD AS-IS

Condition	Used
Rear End	2.85 ratio
Stock Number	4540438
MLS Number	13895691
Category	Differentials, Front
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

$800 USD

DA-RT40.0-4 NFD (RT40-NFD Front) - 2.85 Ratio - Core - Grade D - Ring Pinion Have Broken Teeth. 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	4540027
MLS Number	13894888
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

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

$1,690 USD

(USED) Detroit RT40.0-4 Ratio: 2.53 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510605

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25823041
MLS Number	13699133
Category	Differentials, Front
Last Updated	7/16/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(833) 359-___ SHOW
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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.

(833) 359-___ SHOW
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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.

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

Newly Listed

$1,485 USD

(USED) Detroit RT40.0-4 Ratio: 3.31 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510605

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Stock Number	26014309
MLS Number	14429317
Category	Differentials, Front
Last Updated	6/14/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 905-___ SHOW
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2022 Detroit RT40-NFDFR285 Front, Rear Differential Assembly

Newly Listed

$3,295.16 USD

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDFR285
Stock Number	2660261
MLS Number	14419823
Category	Differentials, Front
Last Updated	6/11/2026
Location	Spokane Valley, WA, US
Sold By	LKQ Heavy Truck

(855) 905-___ SHOW
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2019 Detroit RT40-NFDFR308 Front Differential

Detroit RTL40-NFDFR323 Front Differential

$3,250 USD

Condition	Used
Rear End	3.23 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RTL40-NFDFR323
Stock Number	2527308
MLS Number	14179110
Category	Differentials, Front
Last Updated	6/5/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

2020 Detroit RT40-NFD Front Differential for a Freightliner Cascadia

$2,366 USD

(USED) Detroit RT40-NFD Ratio: 2.41 Side Gear Splines: 40 W/ Locker: NO Cast#: R7753511105

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25974008
MLS Number	14306276
Category	Differentials, Front
Last Updated	6/6/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2018 Detroit RT40.0-4 Front Differential for a Freightliner Cascadia

$1,046 USD

(USED) Detroit RT40.0-4 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510605 Ref# C11-0042-921

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Part Number	C11-0042-921
Stock Number	25981076
MLS Number	14320394
Category	Differentials, Front
Last Updated	6/5/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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

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DA-RT40-4.0 - Front Rear - Ratio - Pullout - DIFF ONLY.

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Stock Number	4491-4
MLS Number	14379305
Category	Differentials, Front
Last Updated	5/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2015 Detroit RT40.0-4 Front Differential for a Freightliner Cascadia

$1,975 USD

(USED) Detroit RT40.0-4 Ratio: 3.23 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510605

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Stock Number	26003705
MLS Number	14390567
Category	Differentials, Front
Last Updated	5/27/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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# C11-00006-987

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Part Number	C11-00006-987
Stock Number	25991207
MLS Number	14355487
Category	Differentials, Front
Last Updated	5/24/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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

$1,975 USD

(USED) Detroit RT40.0-4 Ratio: 3.23 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	25993241
MLS Number	14359504
Category	Differentials, Front
Last Updated	5/24/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2018 Detroit RT40.0-4 Front Differential for a Freightliner Cascadia

$1,865 USD

(USED) Detroit RT40.0-4 Ratio: 2.85 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510605 Ref# C11-00042-225

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Part Number	C11-00042-225
Stock Number	25978651
MLS Number	14309666
Category	Differentials, Front
Last Updated	5/17/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 980-___ SHOW
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Detroit RT40-4N Front Differential for a 2016 Freightliner Cascadia

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MILES 626808, Ratio: 262

Condition	Used
Rear End	2.62 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2016
Stock Number	HC0897-3
MLS Number	14130631
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Detroit DA-RT-40.0-4S Front Differential

$800 USD

DA-RT40.0-4S - (RT40-NFD Front) - Ratio 2.41 - Core - Grade D - CORE UNIT SOLD AS-IS..

Condition	Used
Rear End	2.41 ratio
Stock Number	4542224
MLS Number	13903942
Category	Differentials, Front
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment