POWERTRAIN RESEARCH
Semi Truck Transmission Research
Transmission type, exact model, gearing, clutch and service history, software where applicable, and rear axle ratio should be considered together.
Research the installed component
Identify the complete transmission model and ratio set, then review its application, clutch or actuator condition, service evidence and integration with the engine and axles.
Variation matters
Availability and specification vary by model year, truck manufacturer, application and original order. These guides describe what to verify without turning a family name into a universal reliability verdict.
Transmission buyer's guides
Detroit DT12Volvo I-ShiftMack mDRIVEPACCAR TX-12PACCAR TX-18International T14Eaton Cummins Endurant HDEaton Cummins Endurant XDEaton Cummins Endurant XD ProEaton Fuller 10-, 13- and 18-speed manualsAllison 3000 SeriesAllison 4000 SeriesAllison 2000 Series in Hino work trucksAisin A465 in Hino 155 and 195 cab-overs