1. Home
  2. For Sale
  3. Truck Parts
  4. Axles & Differentials
  5. Detroit
  6. RT40-4

Detroit RT40-4 Axles & Differentials For Sale

Shop used Detroit RT40-4 Axles & Differentials on MyLittleSalesman.com . Compare active listings with prices from $550 to $550. Sellers include CRG Heavy Truck Parts and Spalding Truck Parts. Filter by condition, price, or year to find the Detroit RT40-4 that fits your job.
Close
Your Current Search
Industry
Truck Parts
Category
Axles & Differentials
Manufacturer
Detroit
Model
RT40-4
Click the to remove the filter.
Save Search
Email Alert
What's Save Search and Email Alert?
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Truck Parts (7)
Category
Axles & Differentials (7)
   Axle Assemblies, Rear (1)    Axle Housings, Rear (2)    Differentials, Front (2)    Differentials, Rear (2)
Make
Detroit (7)
Model
RT40-4 (7)
Condition
Used (7)
Model Year
-
Horsepower
-
Inspection Report
Yes (0)
Warranty
Yes (0)
No (0)
Price
-
Country
United States (7)
State / Region
Select a state below and click Refine Results.

Seller Type
Dealerships (7)
Market Type
For Sale (7)

Shop Axles & Differentials by Subcategory

Showing 1 - 7 of 7 Listings

1 - 7 of 7 listings
1 - 7 of 7 listings
Detroit RT40-4 Rear Differential for a 2019 Freightliner Cascadia 125

Detroit RT40-4 Rear Differential for a 2019 Freightliner Cascadia 125

Contact for price
(Used) 2019 Freightliner Cascadia 125, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-090, Serial Number: 771198B0039021, Make: Detroit, Model: RT40-4, Ratio: 3.42, Capacity: 20,000...
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2019
Part NumberC11-00042-090
Stock NumberP-503562
MLS Number14426552
CategoryDifferentials, Rear
Last Updated6/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Detroit RT40-4 Rear Axle Housing for a 2019 Freightliner Cascadia 125

Detroit RT40-4 Rear Axle Housing for a 2019 Freightliner Cascadia 125

Contact for price
(Used) 2019 Freightliner Cascadia 125, REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-090, Serial Number: 771198B0039021, Make: Detroit, Model: RT40-4, Ratio: 3.42, Capacity: 20,000...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2019
Part NumberC11-00042-090
Stock NumberP-503561
MLS Number14426551
CategoryAxle Housings, Rear
Last Updated7/1/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Detroit RT40-4 Rear Axle Assembly for a 2019 Freightliner Cascadia 125

Detroit RT40-4 Rear Axle Assembly for a 2019 Freightliner Cascadia 125

Contact for price
(Used) 2019 Freightliner Cascadia 125, COMPLETE REAR REAR TANDEM- Part Number: C11-00042-090, Serial Number: 771198B0039021, Make: Detroit, Model: RT40-4, Ratio: 3.42, Capacity: 20,000 Lbs,...
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2019
Part NumberC11-00042-090
Stock NumberP-503559
MLS Number14426549
CategoryAxle Assemblies, Rear
Last Updated6/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Detroit RT40-4 Front Differential for a 2019 Freightliner Cascadia 125

Detroit RT40-4 Front Differential for a 2019 Freightliner Cascadia 125

Contact for price
(Used) 2019 Freightliner Cascadia 125, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-090, Serial Number: 771199B0039020, Make: Detroit, Model: RT40-4, Ratio: 3.42, Capacity: 20,000...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2019
Part NumberC11-00042-090
Stock NumberP-503556
MLS Number14426546
CategoryDifferentials, Front
Last Updated6/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Detroit RT40-4 Rear Axle Housing for a 2019 Freightliner Cascadia 125

Detroit RT40-4 Rear Axle Housing for a 2019 Freightliner Cascadia 125

Contact for price
(Used) 2019 Freightliner Cascadia 125, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00042-090, Serial Number: 771199B0039020, Make: Detroit, Model: RT40-4, Ratio: 3.42, Capacity: 20,000...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2019
Part NumberC11-00042-090
Stock NumberP-503555
MLS Number14426545
CategoryAxle Housings, Rear
Last Updated6/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Detroit RT40-4 Front Differential for a 2019 Freightliner Cascadia 125

Detroit RT40-4 Front Differential for a 2019 Freightliner Cascadia 125

Contact for price
(Used) 2019 Freightliner Cascadia 125, COMPLETE FRONT REAR TANDEM- Part Number: C11-00042-090, Serial Number: 771199B0039020, Make: Detroit, Model: RT40-4, Ratio: 3.42, Capacity: 20,000 Lbs,...
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2019
Part NumberC11-00042-090
Stock NumberP-503554
MLS Number14426544
CategoryDifferentials, Front
Last Updated6/14/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Save Search
Email Alert
What's Save Search and Email Alert?
Want to narrow or modify your search criteria?
Filter by Price
Filter by Year
Filter by Location
Filter by Model
Filter by Keyword
Modify your search
Did you find what you were looking for? Yes No