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 find the right Transmission closest to you. 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 20,769 Transmission Listings

1 - 25 of 20,769 listings
1 - 25 of 20,769 listings
Eaton-Fuller RTLO16713A Transmission for a 2019 Freightliner Cascadia 125

Eaton-Fuller RTLO16713A Transmission for a 2019 Freightliner Cascadia 125

Recently Updated
$2,999.99 USD
(Core) 2018 EATON FULLER (REMAN), (MT) TRANSMISSION ASSEMBLY- Model: RTLO-16713A, Part Number: TA-B56-12RHGK, Serial Number: RK018693, Engine: Detroit Diesel DD15, External Cooled, Reference...
ConditionUsed
Engine ModelDetroit DD15
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2019
Part NumberTA-B56-12RHGK
Stock NumberP-34553
MLS Number11749170
CategoryTransmissions
Last Updated4/9/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
New Process/New Venture NP435 Transmission

New Process/New Venture NP435 Transmission

Newly Listed
$2,095 USD
REBUILT /DYNO. NP435 STACKER/FORD 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE. NOTES, Serial#: 62342, Core Charge: EXCHANGE CRITICAL CORE, Engine Make: Ford, Engine Model:...
ConditionRemanufactured
Engine ModelFord Ford 6.8 Gas
Part Number62342
Stock Number62342
MLS Number14298769
CategoryTransmissions
Last Updated4/9/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
Eaton-Fuller FRO16210C Transmission for a 2014 Freightliner Cascadia 125

Eaton-Fuller FRO16210C Transmission for a 2014 Freightliner Cascadia 125

Newly Listed
$1,800 USD
Nous livrons partout au Canada et aux États-Unis. We ship anywhere in Canada and USA. - Stock : 6697T - Transmission : Eaton Fuller - FRO16210C - Transmission - Truck: 2014 - Freightliner...
ConditionUsed
Engine ModelDetroit DD15
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2014
Stock Number6697T
MLS Number14298695
CategoryTransmissions
Last Updated4/9/2026
Location
Beauceville, QC, Canada
Sold By
Camions Gilbert
Fuller FRO-15210C Transmission for a 2013 Freightliner CASCADIA PX113064S T

Fuller FRO-15210C Transmission for a 2013 Freightliner CASCADIA PX113064S T

Newly Listed
Contact for price
VERIFICATION PENDING, Engine Make: DETROIT, Engine Model: DD13, Part Make: FULLER
ConditionUsed
Fits To Make(s)FREIGHTLINER
Fits To Model(s)CASCADIA PX113064S T
Will Fit Year(s)2013
Stock Number3A1E57281
MLS Number14298647
CategoryTransmissions
Last Updated4/9/2026
Location
Ste-Julie, QC, Canada
Sold By
Camions Lussier-Lussicam inc.
Fuller FROF14210C Transmission for a International 8600

2005 Fuller FROF14210C Transmission for a International 8600

Recently Updated
$1,985 USD
(USED) Fuller FROF14210C Assembly#: TA-D51-035558 Input Lgth: 10.5 Input Dia: 2.0 Pilot Dia: 1.18
ConditionUsed
Assembly NumberTA-D51-035558
Fits To Make(s)International
Fits To Model(s)8600
Stock Number25806251
MLS Number13626108
CategoryTransmissions
Last Updated4/9/2026
Location
Winimac, IN, US
Sold By
Vander Haag's Inc.
Allison MT643 Transmission for a Ford C8000

1981 Allison MT643 Transmission for a Ford C8000

Recently Updated
$1,375 USD
(USED) Allison MT643 Assembly#: 2410174943 Input Lgth: VERIFY Input Dia: AUTOMATIC Pilot Dia: AUTOMATIC Ref# 6884350
ConditionUsed
Assembly Number2410174943
Fits To Make(s)Ford
Fits To Model(s)C8000
Part Number6884350
Stock Number25866580
MLS Number13826631
CategoryTransmissions
Last Updated4/9/2026
Location
Spencer, IA, US
Sold By
Vander Haag's Inc.
Eaton-Fuller FR15210B Transmission for a Mack CXU612

2013 Eaton-Fuller FR15210B Transmission for a Mack CXU612

Recently Updated
$500 USD
Eaton/ Fuller FR-15210B Transmission, Core - Grade C - S/N- K0959115.p/n TA-D64-076308, Main Shaft Gears (1ST-5TH) spilines are worn, Back Section Is Good. Core Unit Sold As-Is.
ConditionUsed
Fits To Make(s)MACK
Fits To Model(s)CXU612
Stock Numberups-273840-2
MLS Number13998153
CategoryTransmissions
Last Updated4/8/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
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