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jeremi3210

k301 starter generator conversion

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jeremi3210

So i was wondering if it is possible to convert a starter generator motor over to a starter motor with a stator for a charging system?

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TT

Absolutely.

Everything will need changed from the bearing plate out.

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jeremi3210

Ok thats what i thought. Thanks.

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TT

I should have said "from the block out" - meaning bearing plate, flywheel, blower housing, etc. :handgestures-thumbup:

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jeremi3210

I kinda figured the bearing plate would have to be changed.

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oldredrider

Doesn't the crank have to be changed too?

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TT

No.

Edit: Relevant or not, I just remembered this handy piece of information.........

Not all 141/161/181 blocks had starter mounting holes.

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midnight rambler

wouldnt it be easier to find a tractor and convert it with the engine swap? other than swaping a bearing plate that may have had a different wear tollerance on it?

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TT

wouldnt it be easier to find a tractor and convert it with the engine swap? other than swaping a bearing plate that may have had a different wear tollerance on it?

The current crankshaft bearing can be used with the newer bearing plate, and crankshaft end play is set the same regardless of what style of bearing plate is used.

In most cases, the engine doesn't even have to come off of the tractor.

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jeremi3210

How do you measure the crankshaft end play with the oil pan on?

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midnight rambler

cool good to know the o.d. on the bearings are the same, i was wondering on the starter mounting holes as well

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midnight rambler

i have both engines on tractors and i like the quietness of the generator vs the typical noisey kohler starter, turns so quiet

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TT

How do you measure the crankshaft end play with the oil pan on?

Use a dial indicator on the PTO end of the crankshaft.

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sorekiwi

You can even do it without draining the oil!

IMG_1931.jpg

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Callen

My K241AS, from my 1045, doesn't have the offset in the upper front of the block, will a starter motor still bolt on correctly?

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TT

You could either use an early high-mount Bosch starter (wound fields / aluminum mounting bracket / pretty hard to find these days) or you could run a low-mount starter.

I'm pretty sure a gear-drive starter on a big block in a short frame tractor won't leave much room for a battery.

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Callen

Thanks TT, wasn't sure if some of the 301s would have the offset missing,too.

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TT

I can't honestly say if it is there on the first 301's. The oldest one I have here right now is 1968 and it already has a gear-drive starter. :thumbs2:

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