Enhance the performance of your Peterbilt 365, 367, 386, 579 or Kenworth T600, T660, T800 and T880 trucks cooling system with a Horton Advantage On/Off fan hub for Cummins M11 and ISM engines. This hub is designed specifically for Cummins M11 and ISM engines utilizing a 8 groove main drive belt. Since this fan hub is an On/Off configuration it reduces the wear on your engine when a cooling demand is not present. Horton fan hubs are the industry leader and ensures durability and optimized cooling performance.
Fan Hub Spec's:
- Back Pulley Diameter - 7.51"
- Overall Length - 10.67"
- Bolt Circle - 3.5"
- Pilot Diameter - 2.56"
- Vertical Mounting Distance - 2.76"
- Horizontal Mounting Distance - 3.58"
NOTE: For 12.00" fan mounting height (center of crank shaft to center for fan hub)
