[Hack.45]

Hi Guys,

I've been following this board for a while, and researching my topics before posting new questions so as to not be redundant. But, I need some input. I'm currently repowering a International Harvester built 582 with a late model Briggs Vanguard 18 HP engine. The tractor will be used for lawn care and gardening, so I want to keep the PTO in its original location. The engine fits in with plenty of clearance, but sits too far forward, and too low. The height problem seems straight forward - engine spacers. But I'm getting hung up on the drive shaft issue.

My original engine has an aluminum fan wheel, which also is the clutch drive plate mount, and pilot bearing for the front of the drive shaft. My first question is, should I keep this fan for air movement? I'm thinking that the fan is there because of the diameter of the clutch assembly restricts air flow. Am I okay deleting it? Or should I keep it?

My second question is regarding the drive shaft length. I emailed Jeff in PA, who has been a great help with problem solving. He recommends making a lengthened drive shaft, but I'm wondering how that will work out in relation to the throw-out bearing assembly?

I attached pictures. The first picture is the flywheel assembly on the original opposed twin Briggs engine. The second picture is the fan and clutch drive plate. The last picture is the back of the Vanguard engine, with the original drive shaft hub.

Thanks for your help and input! It's very appreciated.