Buyers Products 5543895 Tarp Gear Motor (Gear Motor,Tarp,12 Vdc,900 W,90:1,3 Yr) Forged 90 tooth drive dear for more torque and extended life 3-1/8" x 3/4" extended output shaft fits wide range of tarp systems 900 watts, 1.2 HP, 40 (+-/ 5) rpm Fits common truck and trailer tarp systems 5 mounting holes, fits all 3-bolt & 4-bolt configurations