Heavy Duty Transmissions for Sale

Discover new, used, and remanufactured Transmissions on MyLittleSalesman.com, with prices from $150 to $200,000. Filter by condition, price, or year to find the right Transmission by spec. Find manual and automatic transmissions from Eaton/Fuller, Allison, Spicer, Mack, Rockwell, ZF, Meritor, and Detroit for Class 5-8 commercial trucks, as well as transmissions for construction equipment, agriculture equipment, and other heavy machinery. Listings include 5-speed through 18-speed manuals, automated manual transmissions like the Eaton UltraShift and Detroit DT12, and Allison automatics from the 1000 series through the 4000 series. Filter by brand, speed count, condition, and price to find the right replacement transmission.
Your Current Search
Industry
Truck Parts
Category
Transmissions
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Truck Parts (20634)
Category
Transmissions (20634)
   Transmission Cores (292)
Model
Select a manufacturer to view available models.
Condition
Model Year
-
Exterior Color
Black (1)
Horsepower
-
Inspection Report
Yes (0)
Warranty
No (0)
Price
-
Country
State / Region
Select a country to view available states.
Seller Type
Market Type
For Sale (20634)

Shop Transmissions by Subcategory

Quick Filters

Showing 1 - 25 of 20,634 Transmission Listings

1 - 25 of 20,634 listings
1 - 25 of 20,634 listings
Allison 2100 RDS Transmission for a 2019 Freightliner M2 106

Allison 2100 RDS Transmission for a 2019 Freightliner M2 106

Newly Listed
Contact for price
(Used) 2018 Allison (AT), TRANSMISSION ASSEMBLY- Model: 2100RDS, Serial Number: 6311681173, Engine: Cummins B6.7 220, For more information about this item, give us a call. We ship...
ConditionUsed
Engine ModelCummins B6.7
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2019
Stock NumberP-501434
MLS Number14284090
CategoryTransmissions
Last Updated4/3/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
Eaton-Fuller FRO16210C Transmission for a 2016 Western Star 5700

Eaton-Fuller FRO16210C Transmission for a 2016 Western Star 5700

Recently Updated
$2,250 USD
FRO16210C WILL INSPECT DYNO TEST IN OUR GEAR SHOP 90 DAY WARRANTY, Serial#: GET, Engine Make: Detroit, Engine Model: DD15 EV
ConditionUsed
Engine ModelDetroit DD15 EV
Fits To Make(s)Western Star
Fits To Model(s)5700
Will Fit Year(s)2016
Stock Number72925-2
MLS Number13735776
CategoryTransmissions
Last Updated4/3/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
Detroit DT12-OA Transmission for a Freightliner CASCADIA

2016 Detroit DT12-OA Transmission for a Freightliner CASCADIA

Recently Updated
$3,500 USD
DT12-OA - Pullout - 607,471 miles P/N C07-00052-056, A9602600502, S/N 71538401675788. Both Shafts Turn, No Metal in Drain Plug.
ConditionUsed
Fits To Make(s)FREIGHTLINER
Fits To Model(s)CASCADIA
Stock Number4334-2
MLS Number14072345
CategoryTransmissions
Last Updated4/3/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
Did you find what you were looking for? Yes No
Got a transmission to sell? In minutes, you can create an online listing for your transmission and advertise it to thousands of buyers.
Start selling today