Eaton/Fuller RTLO18913A, Transmission Assys, (REBUILT) Eaton/Fuller RTLO18913A Transmission For Sale, 13 Speed Transmission with Overdrive, Part # TA-E59-030550, TAE59030550, Roadranger Twin Countershaft with Low Inertia and Overdrive, 1850 lbs-ft Nominal Torque Capacity, Improved Seal System and Involute Spine Design Level, 13 Speeds, Even-Step Overdrive Gear Set Ratio, 54A91B04C85006, RTL018913A, Serial # S0140960, Stock # 8129