Eaton Fuller Transmission Troubleshooting Guide
Guide to servicing and repairing Eaton Fuller heavy-duty truck transmission, assistance locating the issue of transmission trouble, analyze the cause and make necessary repairs for 7, 8, 9, 10, 13, 15 and 18 speed Eaton transmissions. For more in-depth assistance refer to your transmission model service manual or give us a call at 877-776-4600. The transmission function is to efficiently transfer the engine’s power, in terms of torque, to the vehicle’s rear wheels. Torque is the twisting or circular force delivered by the engine’s flywheel. The transmission’s gear ratios increase or decrease torque depending on the requirements needed to move or start the load. Gearing also increases or decreases speed. The gear ratios are correctly spaced so that the engine will operate in its most efficient RPM range with progressive speed changes. To meet the vehicle’s requirements, the transmission must have ratios low enough to start the vehicle moving, to maintain movement up-grades, and to keep the engine operating in its peak efficiency range. The transmission, too, must provide an easy method for gear selection.