[slidewaystoy]

Hi, I'm new here. I did look to see if I could figure this out but could not find any information.

I have a 1864 with a Kohler CH18 command engine S/N 859698. From S/N 836,000 to 880,000 the PTO was a P/N 717-3340 and the S/N 880,000 to 899,000 was a P/N 917-04180. I think that I can swap to the newer one but don't know. The newer PTO mounts with what looks like a post to keep it located. Not a backing plate like the old one.The newer type looks like it is sealed unit also and is cheaper replace.

Now to get down to it. I am putting a brand new Kohler CH620-3103 in it. On the old motor the mounting surface for PTO is flat all the way to the crankshaft seal. The new motor the surface has a .400 in. step where the old PTO would mount. Keeping The PTO from going all the back on the crankshaft. If I get the newer type PTO S/N 880,000 to 899,000 will it fit with the step on the new engine with the proper pulley location. I hope I explained it it so people can understand it.

Thanks Eric