Detroit DA-RT-40.0-4S Axles &amp; Differentials For Sale

(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	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(855) 624-___ SHOW
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Detroit DA-RT-40.0-4S Rear Differential for a 2020 Freightliner Cascadia 126

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2020 FRTLR CASCADIA DETROIT DA-RT-40.0-4S REAR, 3.23 RATIO, DOUBLE LOCKS, AIRLINER SUSPENSION, 52" SPREAD,ABS, 40000 LBS, Serial#: NA, Ratio: 3.23, Casting#: NA

Condition	Used
Rear End	3.23 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2020
Stock Number	3762-FRTLR-4
MLS Number	13348360
Category	Differentials, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

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

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DA-RT40.0-4S - Rear Rear - 2.64 Ratio - Pullout - DIFF ONLY.

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CASCADIA
Stock Number	4468-3
MLS Number	14347655
Category	Differentials, Rear
Last Updated	5/7/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

$2,749.97 USD

(Core) 2020 Freightliner Cascadia 126, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: A775350 1230, Serial Number: DDC19FZ 462653, Make: Detroit, Model: DART4004S, Capacity: 20,000 Lbs,...

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-66171
MLS Number	12484265
Category	Differentials, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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

$1,899.97 USD

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

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2020
Part Number	A775350 1230
Stock Number	P-66169
MLS Number	12484263
Category	Axle Housings, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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

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(Used) 2022 Freightliner Cascadia 126, COMPLETE FRONT REAR TANDEM- Part Number: C11-00051-620, Serial Number: 771194B0245934, 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-499422
MLS Number	14232060
Category	Differentials, Front
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 DA-RT-40.0-4S Rear Axle Housing for a 2022 Freightliner Cascadia 126

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(Used) 2022 Freightliner Cascadia 126, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00051-620, Serial Number: 771194B0245934, Make: Detroit, Model: DA-RT-40.0-4S, Ratio: 2.85, Capacity:...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2022
Part Number	C11-00051-620
Stock Number	P-499424
MLS Number	14232062
Category	Axle Housings, 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 Housing for a 2022 Freightliner Cascadia 126

Contact for price

(Used) 2022 Freightliner Cascadia 126, REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00051-620, Serial Number: 771195B0245935, Make: Detroit, Model: DA-RT-40.0-4S, Ratio: 2.85, Capacity:...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2022
Part Number	C11-00051-620
Stock Number	P-499429
MLS Number	14232067
Category	Axle Housings, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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

Contact for price

(Used) 2022 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-620, Serial Number: 771195B0245935, Make: Detroit, Model: DA-RT-40.0-4S, 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)	2022
Part Number	C11-00051-620
Stock Number	P-499430
MLS Number	14232068
Category	Differentials, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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

$1,500 USD

Core - DA-RT-40.0-4S HH (RT40-NFD Rear) - 2.85 Ratio - Grade D - broken gear set, 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	4/18/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

$1,500 USD

Core - DA-RT40.0-4S (RT40-NFD Rear) - 2.85 Ratio - grade c - rebuildable - 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	4/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

$1,500 USD

Core- DA-RT40.0-4S (RT40-NFD Rear) - 2.85 Ratio - Grade C - rebuildable - 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	4/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

$900 USD

DA-RT-40.0-4S Rear (RT40-NFD) - 2.85 Ratio - Core - Grade C - Rebuildable - 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	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

$1,500 USD

DA-RT-40.0-4S (RT40-NFD) - 3.23 Ratio - Pullout - Grade A- 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	4/18/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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 Rear Differential for a Unmarked N/A

$600 USD

DA-RT40.0-4S (RT40-NFD Rear) - 2.85 Ratio - Core - Grade D - Ring Pinion Have Broken Teeth. P/N C11-00051-620, S/N 771195B190965. 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	4540029
MLS Number	13894889
Category	Differentials, Rear
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

Detroit DA-RT-40.0-4S Front Axle Housing

$1,150 USD

Detroit Front Rear Axle Housing, DA-RT-40.0-4S (RT40-NFD), 10 Hole Pilot, Air Disc Brakes. Removed From Freightliner FAS II Airliner Suspension. HOUSING ONLY, DIFF SOLD SEPARATELY

Condition	Used
Stock Number	4539980
MLS Number	13894620
Category	Axle Housings, Front
Last Updated	5/19/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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