Transmissions

FR-Series transmissions are rear-wheel-drive manual gearboxes known for their durability, smooth shifting, and adaptability across a wide range of performance applications. Used in many class 8 and high-torque vehicles. The FR series features robust construction, modular designs, and gearsets engineered to handle increased power without sacrificing drivability. Their balance of strength, reliability, and serviceability has made FR-Series transmissions a popular choice for both OEM use and aftermarket performance builds. 

FR15210B   FRM15210B   FRO-14210C   FRO-16210B   FRO-16210C   FRO-16210C/COOLER   FRO-18210C   FROF16210B   FROF16210C 

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RTX-Series transmissions are modern performance manual gearboxes engineered to deliver classic driving feel with contemporary strength and refinement. Designed as drop-in solutions for vintage and restomod applications. RTX units typically offer improved torque capacity, tighter shift precision, and updated synchronizer technology while maintaining the original shifter position and packaging of legacy transmissions. Their blend of period-correct fitment and modern internal architecture makes RTX-Series transmissions a popular upgrade for builders seeking durability, smoothness and drivability.

RTX13609B   RTX14609B   RTX-14710B   RTX-15710B   RTX16709B   RTX16709H   RTX16710B   RTX16710C

MERITOR: M14G10AM   MO16G10C   MTC-4210XL  

SPICER: PSO150-10S

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Mack truck transmission series are heavy-duty gearboxes engineered to deliver exceptional torque handling, long-term durability, and precise control for vocational and highway applications. Built to withstand demanding environments such as construction, refuse, and heavy hauling. Mack transmissions often feature rugged gearsets, advanced shift coordination and integrated compatibility with Mack’s proprietary engines and drive axles. Their emphasis on reliability, serviceability, and efficient power delivery has made Mack transmissions a trusted choice for fleets requiring consistent performance under extreme working conditions.

T2080B   T2180   T309   T310   T310 MLR   T310M   T318L   T318LR   T905A

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FS and ES series transmissions—commonly associated with Eaton Fuller and Spicer are manual and automated manual gearboxes designed to deliver reliable performance for medium- and heavy-duty truck applications. FS (Fuller Synchronized) models emphasize smoother shifting and driver-friendly operation through full or partial synchronization, while ES (Enhanced Synchronized) units build on that foundation with improved shift quality, durability, and service intervals. Both series are known for robust construction, efficient power transfer, and broad compatibility across vocational and regional-haul trucks. Their balance of strength, serviceability, and drivability makes FS and ES transmissions long-standing favorites in commercial fleet operations.  

FS-4005B   FS4205B   FS5406N   FS6406A   FS6406N   FSO-8406A        ES53-5D(IHC)   ESO65-7A   ESO66-7B 

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RTLO series transmissions—part of Eaton’s heavy-duty Roadranger lineup—are performance-oriented 13- and 18-speed gearboxes designed for high-torque, high-grade hauling. Known for their double-countershaft strength and flexible gear splitting, RTLO units provide excellent control over engine RPM, making them ideal for long-haul, heavy-haul, and demanding applications. Their overdrive design improves fuel efficiency at highway speeds, while durable gearing and proven shift mechanisms ensure long service life under continuous heavy loads. RTLO transmissions remain a trusted choice for operators who need maximum versatility, reliability, and performance on challenging routes.

RT11709H   RT14613   RT610   RT8908LL   RTLC-16909E   RTLO16610B   RTLO16713A   RTLO16913A   RTLO18913A   RTLO-18918B   RTLO20918B   RTO-14908LL   RTO-16908LL   RTO-16909ALL   RTO6610   RTOC-16909A   RTOF-14908LL    

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Automated transmissions are built to provide dependable, high-torque power delivery for trucks that regularly operate with heavy or multi-axle trailer loads. Designed with durability and steady pulling performance in mind,. Automated units typically feature reinforced gearsets, optimized ratios for low-speed maneuvering, and smooth, controlled shifting under load. Their focus on reliability and consistent operation makes them well suited for regional haul, and heavy-freight applications where uptime is critical. With robust construction and service-friendly designs automated truck transmissions help ensure confident performance across demanding towing environments.

  AT02612D   ATO2612D

EATON ENDURANT

DT12'S

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