Heavy Duty Transmissions for Sale

Shop new, used, and remanufactured Transmissions on MyLittleSalesman.com, with prices from $150 to $200,000. Filter by condition, price, or year to surface nearby deals on Transmissions that meet your requirements. 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.
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Showing 1 - 25 of 19,333 Transmission Listings

1 - 25 of 19,333 listings
1 - 25 of 19,333 listings
Featured Item
Allison 4500RDS Transmission

Allison 4500RDS Transmission

$3,950 USD
(GOOD USED INSPECTED) Allison 4500RDS-P Transmission For Sale, 4500SP_P, Off a 2003 Freightliner FL112, Serial# 6610254117, Part# E011111, TIDA, Stock# 10499 Component Number Description,...
ConditionUsed
Part NumberE011111
Stock Number10499
MLS Number14654740
CategoryTransmissions
Last Updated10/9/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
Eaton-Fuller RT910 Transmission for a Volvowhitegmc Other

1973 Eaton-Fuller RT910 Transmission for a Volvowhitegmc Other

Recently Updated
$495 USD
RT910 - Pullout - Grade A - Light Wear on Main and Overdrive, Missing Air Fitting and Broken Air Fitting on Low Range Hose.
ConditionUsed
Fits To Make(s)VolvoWhiteGMC
Fits To Model(s)Other
Stock Number776-2
MLS Number13887811
CategoryTransmissions
Last Updated10/16/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
Eaton-Fuller RT910 Transmission for a International Cabover

1973 Eaton-Fuller RT910 Transmission for a International Cabover

Recently Updated
$322 USD
RT910 - Core - Grade C - Rebuildable - Forward Cover, All 3 Shift Clutches Worn, has 3/4" Input Shaft, No 8 Hole Plate. Core Unit Sold As-Is.
ConditionUsed
Fits To Make(s)INTERNATIONAL
Fits To Model(s)Cabover
Stock Number780-2
MLS Number13887753
CategoryTransmissions
Last Updated10/16/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
Eaton-Fuller RTO9513 Transmission for a Peterbilt 359

1981 Eaton-Fuller RTO9513 Transmission for a Peterbilt 359

Recently Updated
$517 USD
RTO9513 - Core - Grade C - Rebuildable - Broken Washers on 1st and Low Gears, Light Wear on Shift Clutches, PTO Sold Separately. Core Unit Sold As-Is.
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)359
Stock Number664-4
MLS Number13887065
CategoryTransmissions
Last Updated10/16/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
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