This is a new 17" Clutch Kit for use with Volvo I-Shift and Mack mDrive automated manual transmissions which engages and disengages without the use of a traditional in-cab clutch pedal. Designed for longevity, the Push Wear-Thru clutch with organic facings is for the 13L engine with a AT2412, AT2512, ATO2512, AT2612, ATO2612 automated manual transmission. Cross reference # Eaton 104461-1