Heavy Duty Transmissions for Sale

Browse new, used, and remanufactured Transmissions on MyLittleSalesman.com, with prices from $150 to $200,000. Quickly refine results with filters for condition, price, or year. 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 20,262 Transmission Listings

1 - 25 of 20,262 listings
1 - 25 of 20,262 listings
2001 Allison MD3060 Transmission

2001 Allison MD3060 Transmission

Newly Listed
Contact for price
USED 2001 MD3060 ALLISON AUTOMATIC TRANSMISSION, TID3, 00D15, E002074, STOCK:03312612, TSN:6510264753, OIL AND FILTERS INSPECTED IN GOOD CONDITION, ALSO OILPAN REMOVED AND CHECKED THE...
ConditionUsed
Stock Number8505-03312612
MLS Number14276183
CategoryTransmissions
Last Updated3/31/2026
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
2001 Allison B400RRM Transmission

2001 Allison B400RRM Transmission

Newly Listed
Contact for price
USED 2001 ALLISON B400_R AUTOMATIC TRANSMISSION, WITH RETARDER, E004693, 00J07, TID3, STOCK:03312610, TSN:6510287201, OIL AND FILTERS INSPECTED IN GOOD CONDITION, ALSO OILPAN REMOVED AND...
ConditionUsed
Stock Number8503-03312610
MLS Number14276180
CategoryTransmissions
Last Updated3/31/2026
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
1995 Allison MT643 Transmission

1995 Allison MT643 Transmission

Newly Listed
Contact for price
USED 1.995 ALLISON MT643 AUTOMATIC TRANSMISSION, WITH PTO GEAR INSIDE, OIL AND FILTERS INSPECTED IN GOOD CONDITION, ALSO OILPAN REMOVED AND CHECKED TRANSMISSION INSIDE, COMPLETE TRANSMISSION...
ConditionUsed
Stock Number8501-0331268
MLS Number14276154
CategoryTransmissions
Last Updated3/31/2026
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
1986 New Process NP435 Transmission

1986 New Process NP435 Transmission

Newly Listed
Contact for price
USED NP435 NEW PROCESS 4 SPD TRANSMISSION, EMERGENCY REAR BRAKE DRUM, PTO, 1 1/2” INPUT SHAFT FOR PUSH CLUTCH, CAST:C95711, COMPLETE, FULLY INSPECTED IN GOOD CONDITION, ALSO MANY...
ConditionUsed
Stock Number8498-0331265
MLS Number14276146
CategoryTransmissions
Last Updated3/31/2026
Location
Miami, FL, US
Sold By
4-Trucks Enterprises LLC
Detroit DT12-0A Transmission for a 2020 Freightliner Cascadia 125

Detroit DT12-0A Transmission for a 2020 Freightliner Cascadia 125

Newly Listed
Contact for price
(Used) 2019 Detroit (AT), TRANSMISSION ASSEMBLY- Model: DT12-0A, Serial Number: 715384G2160579, Part Number: C07-00052-090, Engine: Detroit DD15, For more information about this item, give...
ConditionUsed
Engine ModelDetroit DD15
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2020
Part NumberC07-00052-090
Stock NumberP-501232
MLS Number14275383
CategoryTransmissions
Last Updated3/31/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
Eaton-Fuller RTLO16913A Transmission Core for a 2015 International PROSTAR

Eaton-Fuller RTLO16913A Transmission Core for a 2015 International PROSTAR

Newly Listed
Contact for price
Eaton Fuller RTLOF16913A Transmission Core For Sale. Call for more information, we ship everywhere, Serial#: other, Engine Make: Cummins, Engine Model: ISX
ConditionUsed
Engine ModelCummins ISX
Fits To Make(s)International
Fits To Model(s)PROSTAR
Will Fit Year(s)2015
Stock NumberIN-0818-40
MLS Number14275179
CategoryTransmission Cores
Last Updated3/31/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
Eaton-Fuller RTO16915 Transmission

Eaton-Fuller RTO16915 Transmission

Newly Listed
$4,895 USD
REBUILT/DYNO. RTO16915 W/ BELL . 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE., Serial#: 62324, Core Charge: EXCHANGE CRITICAL CORE, Engine Make: Other, Engine Model: Other
ConditionRemanufactured
Engine ModelOther
Part Number62324
Stock Number62324.
MLS Number14275099
CategoryTransmissions
Last Updated3/31/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
Eaton-Fuller RTLO18918B Transmission for a 2006 Peterbilt 379

Eaton-Fuller RTLO18918B Transmission for a 2006 Peterbilt 379

Recently Updated
$4,295 USD
REFURB/DYNO RTLO18918B 6 MONTH PARTS ONLY WARRANTY EXTENDED WARRANTY AVAILABLE., Serial#: GET, Core Charge: EXCHANGE CRITICAL CORE, Engine Make: Caterpillar, Engine Model: C15
ConditionUsed
Engine ModelCaterpillar C15
Fits To Make(s)Peterbilt
Fits To Model(s)379
Will Fit Year(s)2006
Part Number102823-9
Stock Number102825-9
MLS Number13958407
CategoryTransmissions
Last Updated3/31/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
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