In the car community, "tranny" is a long-standing shorthand for a vehicle's —the gearbox that transfers power from the engine to the wheels. What a Transmission Does
: Provides high torque for starting from a stop and better fuel economy at high speeds. free tranny previews
: Without it, the engine would spin too fast for the car's structure to handle. Free Maintenance "Previews" (DIY Checks) In the car community, "tranny" is a long-standing