SD220 Crankshaft Double Pulley


IHC in the early to mid-fifties.

Rusty Driver
Rusty Driver

Posts: 144

Joined: Thu Jan 10, 2013 3:48 pm

Location: S.E. Iowa

Post Tue Mar 25, 2014 4:12 pm

SD220 Crankshaft Double Pulley

I'm wondering if there is a double pulley for the SD220 engine? I'm trying to find a way to add an A/C compressor, If I can't find something that'll fit I'll probably machine a adapter to add a cast pulley to my crank pulley to drive the compressor. When I try to add another pulley to the orig. set up I 'm thinking I'll be losing to much contact and end up with the squealing belt syndrome. Your thoughts Gentlemen?

Golden Jubilee
Golden Jubilee

Posts: 5208

Joined: Thu Nov 29, 2012 9:28 pm

Location: Lyman, IA

Post Tue Mar 25, 2014 8:33 pm

Re: SD220 Crankshaft Double Pulley

A two cyl recip compressor can draw as much as 8 hp off the engine so a dedictated belt is almost a requirement. Check with a AC shop (one that does aftermarket additions) and see if they have some pulley that will bolt onto the balancer.

Golden Jubilee
Golden Jubilee

Posts: 1806

Joined: Tue Jun 25, 2013 5:26 pm

Location: Dinuba, central CA

Post Tue Mar 25, 2014 10:21 pm

Re: SD220 Crankshaft Double Pulley

I save pulleys like my life depends on it.
Give me some dimesions and a picture of yours I will try to come up with a pulley that wouldn't be so hard to add to your existing pulley. Maybe. Hopefully.
1933 IHC Bus. Cpe
1933 IHC B-3 f
1935 C-1 IHC pickup
2 x 1936 IHC C-30 Fbs
3 x 1938 IHC D-2 Pickups
1938 IHC D-30 fb
1941 IHC K-1
2 x 1947 IHC KB-1 Pickups
2x 1953 IHC R pickups

Rusty Driver
Rusty Driver

Posts: 144

Joined: Thu Jan 10, 2013 3:48 pm

Location: S.E. Iowa

Post Wed Mar 26, 2014 11:59 am

Re: SD220 Crankshaft Double Pulley

After checking Crankshaft pulley/ Fan blade clearances I'm thinking I might have to come off the top as the Aussies did to mount my compressor. I've got plenty of room on the drivers side just not enough belt clearance as it comes off the Crankshaft. Thanks

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