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Cletrac Tractor Discussion / HG, OC-3, OC-4 & General / Re: Looking for information on serial numbers on engine
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on: March 27, 2016, 11:49:36 AM
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Well you said any information" IXB3 is the model of the engine. IX is the basic engine model B designates the bore size. Those engines were made in at least 4 different basic bore sizes from 2-1/2 inch up to 3-1/4 inch for the IXB. The number 3 designates it as engine with 3 diming gears, there are also IX*5 engines means those engines have 5 timing gears. They have the mag on the other side of the block + they have a gear drive water pump. The other number is the serial number Hercules assigned to that engine. They assigned different series of numbers at different time for those engines. At one time I had a list of what groups were built in what years but not any more. does that help?
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Cletrac Tractor Discussion / All Models Except HG, OC-3, OC-4 & General / Re: 1949 BGSH crawler
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on: February 22, 2016, 09:08:13 PM
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In case anybody else reads this all Oliver 6 cylinder diesels use the same basic PSB pump no matter if is for a little 77 or the 302 cubic inch 950. Most likely the plunger was stuck and has twisted off and no you don't need a test stand to check one. We serviced probably 150-200 Oliver diesels with PSB pumps and never had one to a pump shop.
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Cletrac Tractor Discussion / HG, OC-3, OC-4 & General / Re: Unusual Oliver ID, OC46 or Johnny Cash model?
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on: January 15, 2015, 08:07:46 PM
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The bell housing you have was only used on early tractors. OC-4 and 46 tractors have a bell housing where an auxiliary transmission can be bolted too as well. The IXA was only used about 1 year (39 as was mentioned) Then the IXK which was a 3.125 bore engine and was used till after the war. I agree the loader is not a loader for an OC-46. If you are going to use this a lot you will find you will also want the auxillary transmission as the 3 speed you have was designed for farming when your tractor was built.
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Cletrac Tractor Discussion / HG, OC-3, OC-4 & General / Re: 1957 OC-4 Ammeter issue.
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on: November 01, 2014, 07:09:44 PM
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All you need to do is touch the wire to the terminals. YOU do NOT leave the wire hooked up. It is a momentary flash of a blue spark. Some regulators have 3 terminals some have four with one being underneath the regulator The 2 on the generator will be A & F or FLD and GEN. Check which set of terminals you have on the regulator and also the number of the regulator and get back with us.
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