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Used Detroit DA-RT-40.0-4S Rear Differentials For Sale

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   Differentials, Rear (17)
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Detroit (17)
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DA-RT-40.0-4S (17)
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Used (17)
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Showing 1 - 17 of 17 Rear Differential Listings

1 - 17 of 17 listings
1 - 17 of 17 listings
Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

2023 Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

Recently Updated
Contact for price
DA-RT-40.0-4SR - 2.64 Ratio - Pullout. Diff Only, Housing Sold Separately.
ConditionUsed
Rear End2.64 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 126
Stock Number4468-3
MLS Number14347655
CategoryDifferentials, Rear
Last Updated10/17/2026
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

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

Recently Updated
$1,500 USD
DA-RT-40.0-4SR - 2.85 Ratio - Core - Grade C - Rebuildable - (RT40-NFD Rear) - 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 Updated10/17/2026
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

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

Recently Updated
$1,500 USD
DA-RT-40.0-4SR - 2.85 Ratio - Core - Grade C - Rebuildable - (RT40-NFD Rear) - Blown Side Gears - Worn Pinion. Core Unit Sold As-Is.
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)Freightliner
Stock Number29359
MLS Number14318352
CategoryDifferentials, Rear
Last Updated10/17/2026
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

Recently Updated
$1,500 USD
DA-RT-40.0-4SR - 2.85 Ratio - Core - Grade D - HH (RT40-NFD Rear) - Broken Gearset - 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 Updated10/17/2026
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 126

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

Recently Updated
$900 USD
DA-RT-40.0-4SR - 2.85 Ratio - Core - Grade C - Rebuildable - Rear (RT40-NFD) - 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 Updated10/17/2026
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 116 Day Cab

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

Recently Updated
$1,500 USD
DA-RT-40.0-4SR - 3.23 Ratio - Pullout - Grade A - (RT40-NFD) - 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 Updated10/17/2026
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 Unmarked N/A

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

Recently Updated
$600 USD
DA-RT-40.0-4SR - 2.85 Ratio - Core - Grade D - (RT40-NFD Rear) - Ring Pinion Have Broken Teeth. Core Unit Sold As-Is. S/N 771195B190965. P/N C11-00051-620.
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)Unmarked
Fits To Model(s)N/A
Stock Number4540029
MLS Number13894889
CategoryDifferentials, Rear
Last Updated10/17/2026
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

Recently Updated
$900 USD
DA-RT-40.0-4 Rear - 2.85 Ratio - Core - Grade C - Rebuildable - (RT40-NFD) - Blown Side Gear Pinions - Ring Gear Carrier Cracked. Core Unit Sold As-Is.
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)Unmarked
Fits To Model(s)N/A
Stock Number4539290
MLS Number13892979
CategoryDifferentials, Rear
Last Updated10/17/2026
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 2023 Freightliner Cascadia 126

Detroit DA-RT-40.0-4S Rear Differential for a 2023 Freightliner Cascadia 126

Newly Listed
$2,295 USD
DART 400-4S, 2.85 RATIO, WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY., Ratio: 2.85
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2023
Stock Number10326-3
MLS Number14668952
CategoryDifferentials, Rear
Last Updated10/16/2026
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 Rear Differential for a 2013 Freightliner Cascadia 125

Detroit DA-RT-40.0-4S Rear Differential for a 2013 Freightliner Cascadia 125

$895 USD
GOOD INSPECTED TAKEOUT,90 DAY WARRANTY EXCHANGE, Core Charge: 250, Ratio: 342
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2013
Part NumberART40
Stock Number60225-3
MLS Number13667997
CategoryDifferentials, Rear
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 Rear Differential for a 2020 Freightliner Cascadia 126

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

Contact for price
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 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
NUMBERCall Seller
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CRG Heavy Truck Parts
Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

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

Recently Updated
$1,200 USD
DA-RT-40.0-4SR - 2.85 Ratio - Pullout. Diff Only, Housing Sold Separately.
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 126
Stock Number4582-42
MLS Number14575865
CategoryDifferentials, Rear
Last Updated10/17/2026
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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