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340 IH utility Distributor

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Kevin Moschenro

09-04-2007 20:50:45

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I am postting this for a friend. He has a 340 utility gas tractor that has a fork lift mounted to it that drives in reverse. Today I was using it and the points in the distributor broke at the spring. I replaced with new ones and now it doesn't want to keep in time. I set it and it seems to act as though it jumps time and starts to miss and back fire. We reset it again and it does run okay a little than starts to run rough and backfires again. I am thinking the distributor has went bad and or is missing a tooth or shorting out inside? I am a Minneapolis Moline man and haven't seen anything like this before. If it is a bad distributor what other models will interchange with this? Thanks in advance.

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Bob M

09-05-2007 08:32:50

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Re: 340 IH utility Distributor in reply to Kevin Moschenrose, 09-04-2007 20:50:45

Kevin - In addition to what Hugh suggests, check for a worn bushing that supports the dist rotor shaft.

Any radial play in the shaft will mess with the both the point gap and the timing. And if severe enough it can bend/break the moving breaker point arm (happened to me once in an IHC pickup...)

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Kevin Moschenrose

09-05-2007 23:17:11

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Re: 340 IH utility Distributor in reply to Bob M, 09-05-2007 08:32:50

Thanks Bob I will give it a real hard look when I get it out in the next day or so.

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Hugh MacKay

09-05-2007 03:06:15

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Re: 340 IH utility Distributor in reply to Kevin Moschenrose, 09-04-2007 20:50:45

Kevin: Sounds as though the distributor drive gears are starting to strip, and it's slipping a few teeth ocasionally. Early on they will may go a few revolutions to a few min. That wont last long until it stops turning completely. Gently try turning the rotor you should feel it slip. Probably one spot on gears worse than rest. Pull the distributor out, condition of teeth will soon tell you if that is the problem.

Since it is a C-135 engine, the distributor drive gears from any letter series that had distributor, 00 series, 30-50 series and just about any 4 cylinder IH gas engine will be the same. Not sure about the 4 cylinder engines after mid 60s, however it probably never changed. I know the C-123 in the 140 never changed.

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Kevin Moschenrose

09-05-2007 06:58:54

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Re: 340 IH utility Distributor in reply to Hugh MacKay, 09-05-2007 03:06:15

Thanks Hugh for the information! I will just pull it out and look the gear over and go from there.

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Howard Flagler

11-17-2007 17:25:37

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Re: 340 IH utility Distributor in reply to Kevin Moschenrose, 09-05-2007 06:58:54

Hey Kevin:

Do you know where I could find a C-135 Distributor or gear?

Thanks

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