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

Browse Detroit DA-RT-40.0-4S Axles & Differentials for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 53 listings. Detroit DA-RT-40.0-4S pricing ranges from $600 to $5,750 based on recent marketplace data. Filter by condition, price, or year to find the right Detroit DA-RT-40.0-4S.
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   Axle Assemblies, Rear (2)    Axle Housings, Front (10)    Axle Housings, Rear (19)    Differentials, Front (8)    Differentials, Rear (14)
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Showing 1 - 25 of 53 Listings

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

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
ConditionUsed
Rear End3.23 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2020
Stock Number3762-FRTLR-4
MLS Number13348360
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Detroit DA-RT-40.0-4S Rear Differential for a 2020 Freightliner Cascadia 126

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,...
ConditionUsed
Rear End3.08 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2020
Part NumberA775350 1230
Stock NumberP-66171
MLS Number12484265
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Detroit DA-RT-40.0-4S Rear Axle Housing for a 2020 Freightliner Cascadia 126

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...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2020
Part NumberA775350 1230
Stock NumberP-66169
MLS Number12484263
CategoryAxle Housings, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Detroit DA-RT-40.0-4S Rear Axle Assembly for a 2020 Freightliner Cascadia 126

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

Contact for price
(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:...
ConditionUsed
Rear End3.08 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2020
Part NumberA775350 1230
Stock NumberP-66166
MLS Number12484260
CategoryAxle Assemblies, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Detroit DA-RT-40.0-4S Front Differential for a 2022 Freightliner Cascadia 126

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

Contact for price
(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:...
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2022
Part NumberC11-00051-620
Stock NumberP-499422
MLS Number14232060
CategoryDifferentials, Front
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Detroit DA-RT-40.0-4S Rear Axle Housing for a 2022 Freightliner Cascadia 126

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

Contact for price
(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:...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2022
Part NumberC11-00051-620
Stock NumberP-499424
MLS Number14232062
CategoryAxle Housings, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Detroit DA-RT-40.0-4S Front Differential for a 2022 Freightliner Cascadia 126

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

Contact for price
(Used) 2022 Freightliner Cascadia 126, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-620, Serial Number: 771194B0245934, Make: Detroit, Model: DA-RT-40.0-4S, Ratio: 2.85, Capacity:...
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2022
Part NumberC11-00051-620
Stock NumberP-499425
MLS Number14232063
CategoryDifferentials, Front
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Detroit DA-RT-40.0-4S Rear Axle Assembly for a 2022 Freightliner Cascadia 126

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

Contact for price
(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:...
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2022
Part NumberC11-00051-620
Stock NumberP-499428
MLS Number14232066
CategoryAxle Assemblies, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Detroit DA-RT-40.0-4S Rear Axle Housing for a 2022 Freightliner Cascadia 126

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:...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2022
Part NumberC11-00051-620
Stock NumberP-499429
MLS Number14232067
CategoryAxle Housings, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Detroit DA-RT-40.0-4S Rear Differential for a 2022 Freightliner Cascadia 126

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...
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2022
Part NumberC11-00051-620
Stock NumberP-499430
MLS Number14232068
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Detroit DA-RT-40.0-4S Rear Axle Housing for a Freightliner CASCADIA

Detroit DA-RT-40.0-4S Rear Axle Housing for a Freightliner CASCADIA

Contact for price
Refurbished Detroit Rear Axle Housing, DA-RT40.0-4S NFD (RT40-NFD Rear), w/ Torque Rod Bracket, 16 Hole Flange, 53.5" Inner Flange To Inner Flange, STD Track. P/N A7753500930. Removed From...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)CASCADIA
Stock Number4540123-REF
MLS Number13895193
CategoryAxle Housings, Rear
Last Updated4/24/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

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.
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 126
Stock Number28877
MLS Number14319900
CategoryDifferentials, Rear
Last Updated4/18/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

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.
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Stock Number29475
MLS Number14318356
CategoryDifferentials, Rear
Last Updated4/17/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

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
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 126
Stock Number28261
MLS Number14100119
CategoryDifferentials, Rear
Last Updated4/14/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
NUMBERCall Seller
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Garabedian Equipment
Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 116 Day Cab

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.
ConditionUsed
Rear End3.23 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 116 Day Cab
Stock Number4193-6
MLS Number13983816
CategoryDifferentials, Rear
Last Updated4/18/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
Detroit DA-RT-40.0-4S Front Differential

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...
ConditionUsed
Rear End2.85 ratio
Stock Number4540456
MLS Number13895715
CategoryDifferentials, Front
Last Updated4/14/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
NUMBERCall Seller
Email Seller
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Garabedian Equipment
Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia

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

$1,500 USD
DA-RT40.0-4S (RT40-NFD Rear) - 2.85 Ratio - Pullout - Approx. 193,619 Miles. DIFF ONLY, HOUSING SOLD SEPARATELY.
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia
Stock Number4540295
MLS Number13895510
CategoryDifferentials, Rear
Last Updated4/14/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
NUMBERCall Seller
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Garabedian Equipment
Detroit DA-RT-40.0-4S Rear Differential for a Unmarked N/A

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
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)Unmarked
Fits To Model(s)N/A
Stock Number4540029
MLS Number13894889
CategoryDifferentials, Rear
Last Updated4/14/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
NUMBERCall Seller
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Garabedian Equipment
Detroit DA-RT-40.0-4S Front Differential for a Unmarked N/A

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
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)Unmarked
Fits To Model(s)N/A
Stock Number4540026
MLS Number13894887
CategoryDifferentials, Front
Last Updated4/14/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
NUMBERCall Seller
Email Seller
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Garabedian Equipment
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