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Detroit DA-RT-40.0-4S Front Differentials For Sale

Shop new, used, and remanufactured Detroit DA-RT-40.0-4S Front Differentials on MyLittleSalesman.com . Compare active listings with prices from $800 to $6,250. Sellers include Garabedian Equipment, CRG Heavy Truck Parts, and Holst Truck Parts. Filter by condition, price, or year to find the Detroit DA-RT-40.0-4S Front Differential that fits your job.
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Showing 1 - 22 of 22 Front Differential Listings

1 - 22 of 22 listings
1 - 22 of 22 listings
Detroit DA-RT-40.0-4S Front Differential for a Freightliner Cascadia 126

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

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DA-RT40-4.0 - Front Rear - Ratio 2.85 - Pullout - DIFF ONLY. grade C - rebuildable - bad gearset - case good - metal chunks in case housing.
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 126
Stock Number4491-4
MLS Number14379305
CategoryDifferentials, Front
Last Updated9/15/2026
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 for a 2020 Freightliner Cascadia 126

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

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(Used) 2020 Freightliner Cascadia 126, COMPLETE FRONT 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-66153
MLS Number12484248
CategoryDifferentials, Front
Last Updated6/13/2026
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 2013 Freightliner Cascadia 125

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
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2013
Part NumberART40
Stock Number60225-2
MLS Number13667996
CategoryDifferentials, Front
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst 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

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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:...
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 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
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Garabedian Equipment
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