Detroit Front Differentials For Sale

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

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(Used) 2021 Freightliner Cascadia 126, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-656, Serial Number: 771194B0201297, Make: Detroit, Model: DA-RT-40.0-4, Ratio: 2.85, Capacity: 20...

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-491468
MLS Number	14049947
Category	Differentials, Front
Last Updated	12/18/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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	12/18/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(833) 913-___ SHOW
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Detroit RT23-4 Front Differential

$450 USD

RT23-4 2.85 ratio Core, Yoke:damaged, Side gear 41 spline, Input 46 spline

Condition	Used
Stock Number	12451
MLS Number	13355848
Category	Differentials, Front
Last Updated	12/16/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Detroit DA-RT-40.0-4S Front Differential

$1,100 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	12/4/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4 Front Differential

$1,100 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	12/4/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4 Front Differential

$1,100 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
Stock Number	4540027
MLS Number	13894888
Category	Differentials, Front
Last Updated	12/4/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4S Front Differential

$1,100 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
Stock Number	4540026
MLS Number	13894887
Category	Differentials, Front
Last Updated	12/4/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

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(Used) 2021 Freightliner Cascadia 126, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-656, Serial Number: 771194B0162006, Make: Detroit, Model: RT40-NFD, Ratio: 2.16,...

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	C11-00051-656
Stock Number	P-114206
MLS Number	13995707
Category	Differentials, Front
Last Updated	11/21/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(833) 541-___ SHOW
NUMBERCall Seller

Detroit Front Differential for a 2020 Freightliner Cascadia 126

$2,995 USD

DART 400-4S 2.85 RATIO FRONT, 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)	2020
Stock Number	111225-4
MLS Number	13980297
Category	Differentials, Front
Last Updated	11/13/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 913-___ SHOW
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2016 Detroit DA-RT-40.0-4 HT Front Differential for a Freightliner Cascadia

$1,495 USD

DA-RT-40.0-4 HT 3.42 Ratio Front rear differential. +$350 Core, Ratio: 3.42, Yoke: 1810, Side Gear: 41 Splines, Input: N/A, Non-Locker

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia
Stock Number	14496
MLS Number	13737947
Category	Differentials, Front
Last Updated	11/7/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

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

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(Used) 2016 Western Star 5700, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-618, Serial Number: 771AAC-A187523H, 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-112054
MLS Number	13856129
Category	Differentials, Front
Last Updated	9/30/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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

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(Used) 2016 Western Star 5700, COMPLETE FRONT REAR TANDEM- Part Number: C11-00042-618, Serial Number: 771AAC-A187523H, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity: 20,000 Lbs, Hub...

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-112050
MLS Number	13856125
Category	Differentials, Front
Last Updated	9/30/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(855) 905-___ SHOW
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2013 Detroit DART400-4FR342 Front Differential

$3,000 USD

771AAC-A090773H

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	DART400-4FR342
Stock Number	2475836
MLS Number	13646312
Category	Differentials, Front
Last Updated	9/11/2025
Location	Wykoff, MN, US
Sold By	LKQ Heavy Truck

(855) 905-___ SHOW
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Detroit DART400-4FR342 Front Differential

$3,895.35 USD

Condition	Remanufactured
Rear End	3.42 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	DART400-4FR342
Stock Number	2078200
MLS Number	13283981
Category	Differentials, Front
Last Updated	9/11/2025
Location	Henderson, CO, US
Sold By	LKQ Heavy Truck

(833) 541-___ SHOW
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Detroit DA-RT-40.0-4 Front Differential for a 2014 Freightliner Cascadia 125

$1,195 USD

DART400 253 FRT 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	82625-1
MLS Number	13784450
Category	Differentials, Front
Last Updated	8/28/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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

$2,299.99 USD

(Used) 2018 Freightliner Cascadia 126, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-261, Serial Number: 771DDC-A004833H, 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-108712
MLS Number	13752260
Category	Differentials, Front
Last Updated	9/13/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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	8/10/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit Front Differential for a 2019 Freightliner Cascadia 126

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(Core) 2019 Freightliner Cascadia 126, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-255, Serial Number: 771194A0016559, Make: Detroit, Model: RT40-NFD N, Ratio: 2.28,...

Condition	Used
Rear End	2.28 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2019
Part Number	C11-00051-255
Stock Number	P-95509
MLS Number	13349202
Category	Differentials, Front
Last Updated	8/3/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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

$3,750 USD

(Used) 2020 Freightliner Cascadia 126, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-261, Serial Number: 771194A0067318, Make: Detroit, Model: RT40-NFD, 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)	2020
Part Number	C11-00051-261
Stock Number	P-107492
MLS Number	13702934
Category	Differentials, Front
Last Updated	7/25/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(855) 370-___ SHOW
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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.

Detroit RT40-4N Front Differential for a 2018 Freightliner Cascadia 126

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(Used) 2018 Freightliner Cascadia 126, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- REMANUFACTURED!! Part Number: C11-00042-390, Serial Number: 24-15150, Make: Detroit, Model: RT40-4N, Ratio:...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2018
Part Number	C11-00042-390
Stock Number	P-106452
MLS Number	13685048
Category	Differentials, Front
Last Updated	7/4/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RT40-4N Front Differential for a 2018 Freightliner Cascadia 126

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(Used) 2018 Freightliner Cascadia 126, COMPLETE FRONT REAR TANDEM- REMANUFACTURED!! Part Number: C11-00042-390, Serial Number: 24-15150, Make: Detroit, Model: RT40-4N, Ratio: 3.08, Capacity:...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2018
Part Number	C11-00042-390
Stock Number	P-106448
MLS Number	13685044
Category	Differentials, Front
Last Updated	7/4/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(833) 541-___ SHOW
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Detroit DA-RT-40.0-4S Front Differential for a 2013 Freightliner Cascadia 125

$1,195 USD

GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE., Core Charge: 350, Ratio: 342, Clutch Housing Size: 1

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2013
Part Number	ART40
Stock Number	60225-2
MLS Number	13667996
Category	Differentials, Front
Last Updated	6/26/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 835-___ SHOW
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Detroit DA-RT-40.0-4 Front Differential for a 2019 Freightliner Cascadia 126

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Detroit DA-RT-40.0-4 Front Rear Differential For Sale 3.23 Ratio - Capacity: 20,000 lbs. - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We...

Condition	Used
Rear End	3.23 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2019
Stock Number	FR-0861-4
MLS Number	13320899
Category	Differentials, Front
Last Updated	6/3/2025
Location	York, ON, Canada
Sold By	Lomoca Inc.