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

The Detroit DA-RT-40.0-4 ranges in price from as low as $600 up to $6,995 based on MyLittleSalesman.com marketplace data.
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   Axle Assemblies, Rear (7)    Axle Housings, Front (4)    Axle Housings, Rear (24)    Differential Cores (1)    Differential Misc. Parts (1)    Differentials, Front (25)    Differentials, Rear (33)
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Detroit DA-RT-40.0-4 Rear Axle Housing for a 2022 Freightliner Cascadia 126

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

Recently Updated
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(Used) 2022 Freightliner Cascadia 126, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00051-620, Serial Number: 771194B0292413, Make: Detroit, Model: DA-RT-40.0-4, 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-111425
MLS Number13825746
CategoryAxle Housings, Rear
Last Updated7/2/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Detroit DA-RT-40.0-4 Front Differential for a Freightliner Cascadia 126

2022 Detroit DA-RT-40.0-4 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 Updated7/1/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
Detroit DA-RT-40.0-4 Rear Differential for a 2018 Freightliner Cascadia 125

Detroit DA-RT-40.0-4 Rear Differential for a 2018 Freightliner Cascadia 125

Newly Listed
$2,295 USD
DA-RT-40 USED T.O, 3.31 RATIO, LOCKER. WILL INSPECT IN OUR GEAR SHOP. 90 DAY WARRANTY., Ratio: 3.31
ConditionUsed
Rear End3.31 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2018
Stock Number61926-4
MLS Number14454478
CategoryDifferentials, Rear
Last Updated6/27/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Detroit DA-RT-40.0-4 Front Differential for a 2018 Freightliner Cascadia 125

Detroit DA-RT-40.0-4 Front Differential for a 2018 Freightliner Cascadia 125

Newly Listed
$3,295 USD
DA-RT-40 USED T.O, 3.31 RATIO, LOCKER. WILL INSPECT IN OUR GEAR SHOP. 90 DAY WARRANTY., Ratio: 3.31
ConditionUsed
Rear End3.31 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2018
Stock Number61926-3
MLS Number14454477
CategoryDifferentials, Front
Last Updated6/27/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Detroit DA-RT-40.0-4 Front Axle Housing for a 2018 Freightliner Cascadia 125

Detroit DA-RT-40.0-4 Front Axle Housing for a 2018 Freightliner Cascadia 125

Newly Listed
$1,895 USD
DART400 FRONT AXLE HOUSING ON AIRLINER SUSPENSION, DISC BRAKE., Hub Bolts: 10, Suspension: AIRLINER, Brake Type: DISC
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2018
Stock Number61926-11
MLS Number14454454
CategoryAxle Housings, Front
Last Updated6/27/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Detroit DA-RT-40.0-4 Rear Axle Housing for a 2018 Freightliner Cascadia 125

Detroit DA-RT-40.0-4 Rear Axle Housing for a 2018 Freightliner Cascadia 125

Newly Listed
$1,895 USD
DART400 REAR AXLE HOUSING ON AIRLINER SUSPENSION, DISC BRAKE., Hub Bolts: 10, Suspension: AIRLINER, Brake Type: DISC
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2018
Stock Number61926-12
MLS Number14454453
CategoryAxle Housings, Rear
Last Updated6/27/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Detroit DA-RT-40.0-4 Front Differential for a 2021 Freightliner Cascadia 126

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

$1,199.99 USD
(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:...
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2021
Part NumberC11-00051-620
Stock NumberP-491463
MLS Number14049942
CategoryDifferentials, Front
Last Updated7/1/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Detroit DA-RT-40.0-4 Rear Axle Assembly for a 2021 Freightliner Cascadia 126

Detroit DA-RT-40.0-4 Rear Axle Assembly for a 2021 Freightliner Cascadia 126

Contact for price
(Used) 2021 Freightliner Cascadia 126, COMPLETE REAR REAR TANDEM- Part Number: C11-00051-615, Serial Number: 771195B0175075, Make: Detroit, Model: DA-RT-40.0-4, Ratio: 3.08, Capacity: 20,000...
ConditionUsed
Rear End3.08 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2021
Part NumberC11-00051-615
Stock NumberP-108403
MLS Number13748068
CategoryAxle Assemblies, Rear
Last Updated6/24/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Detroit DA-RT-40.0-4 Rear Differential for a 2014 Freightliner Cascadia 125

Detroit DA-RT-40.0-4 Rear Differential for a 2014 Freightliner Cascadia 125

Contact for price
DART400 RR 2.53 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 2.53
ConditionUsed
Rear End2.53 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2014
Stock Number82625-2
MLS Number13784451
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-40.0-4 Rear Axle Housing for a 2022 Freightliner Cascadia 126

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

$1,295 USD
USED REAR AXLE HOUSING, AIRLINER SUSPENSION, DART400, Hub Bolts: 10 PILOT, Suspension: AIRLINER, Brake Type: DRUM
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2022
Stock Number61023-20
MLS Number13491628
CategoryAxle Housings, 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-40.0-4 Front Axle Housing for a 2022 Freightliner Cascadia 126

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

$1,495 USD
USED FRONT AXLE HOUSING, AIRLINER SUSPENSION, DART400, Hub Bolts: 10 PILOT, Suspension: AIRLINER, Brake Type: DRUM
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2022
Stock Number61023-19
MLS Number13491627
CategoryAxle Housings, Front
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Detroit DA-RT-40.0-4 Rear Differential for a 2022 Freightliner Cascadia 126

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

$1,895 USD
DART400 2.85 REAR, LOW MILE, 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)2022
Part NumberDART400
Stock Number61023-18
MLS Number13491626
CategoryDifferentials, Rear
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Detroit DA-RT-40.0-4 Rear Axle Housing for a 2022 Freightliner Cascadia 126

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

$1,895 USD
USED REAR AXLE HOUSING, AIRLINER SUSPENSION, DART400, DISC BRAKES, Hub Bolts: 10 PILOT, Suspension: AIRLINER, Brake Type: DISC
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2022
Stock Number80324-6
MLS Number13043664
CategoryAxle Housings, Rear
Last Updated6/18/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Detroit DA-RT-40.0-4 Rear Differential for a 2022 Freightliner Cascadia 126

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

$1,895 USD
DART400 REAR 3.08, 132K MILES, INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.08
ConditionUsed
Rear End3.08 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2022
Stock Number80324-4
MLS Number13043662
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-40.0-4 Rear Axle Housing for a 2021 Freightliner Cascadia 126

Detroit DA-RT-40.0-4 Rear Axle Housing for a 2021 Freightliner Cascadia 126

$6,995 USD
USED REAR AXLE HOUSING, AIRLINER SUSPENSION, DART400 LATE, DISC BRAKES, Hub Bolts: 10 PILOT, Suspension: AIRLINER, Brake Type: DISC
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2021
Stock Number72724-8
MLS Number13022835
CategoryAxle Housings, 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-40.0-4 Rear Axle Housing for a 2024 Freightliner Cascadia 126

Detroit DA-RT-40.0-4 Rear Axle Housing for a 2024 Freightliner Cascadia 126

$1,995 USD
USED REAR AXLE HOUSING, AIRLINER SUSPENSION, DART400, DISC BRAKES, Hub Bolts: 10 PILOT, Suspension: AIRLINER, Brake Type: DISC
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2024
Stock Number61924-6
MLS Number12948898
CategoryAxle Housings, Rear
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Detroit DA-RT-40.0-4 Rear Differential for a 2024 Freightliner Cascadia 126

Detroit DA-RT-40.0-4 Rear Differential for a 2024 Freightliner Cascadia 126

$2,395 USD
DART400-4S LATE MODEL 3.23 LOCKER, 17K MILES, INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.23
ConditionUsed
Rear End3.23 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2024
Stock Number61924-4
MLS Number12948896
CategoryDifferentials, Rear
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Detroit DA-RT-40.0-4 Front Differential for a 2024 Freightliner Cascadia 126

Detroit DA-RT-40.0-4 Front Differential for a 2024 Freightliner Cascadia 126

$3,250 USD
DART400-4S LATE MODEL 3.25 LOCKER, 17K MILES, NO POWER DIVIDER, INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY (NEW SEAL INSTALLED), Ratio: 3.25
ConditionUsed
Rear End3.25 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 126
Will Fit Year(s)2024
Stock Number61924-3
MLS Number12948895
CategoryDifferentials, Front
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
Email Seller
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Holst Truck Parts
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