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Bobcat 743 engine swap help
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<blockquote data-quote="Longbeards" data-source="post: 114531" data-attributes="member: 19859"><p>I just bought a 743 from a woman who's husband left her. I was told this thing ran 2 months ago. Knowing the 1702 problems starting I worked on it in 20 degrees for 2 hours with no start. I left and she contacted me and said I could take it for $3,200. I did some quick searching for a motor thinking worst case and found a 2203 swap for just over 2k so I bought it. Got it to run with a torpedo heater and torch in the intake. It has a major exhaust coolant problem presumably cracked head. It had lots of water in exhaust. It had some blue smoke out the exhaust even after warming up so I figure I'll tear down or do a swap. So now I read the 2203 is maybe over powered so started looking for a 1902. Can't find one but found a v1903 bg-e brand spanking new for 3k at a boat shop. I have found forums for fitting the v2203 but none for the v1902 and certainly not for the v 1903 bg-e. Anyone know if the v1903 bg-e will fit and with what mods? My local and non local kubota and bobcat dealers have been beyond worthless. I even called the kubota motor people who build engines for all apications and they were willing to tell me nothing. So I bring my question to the place I should have started... thanks for any insights. If I can't find a 1902 I'll just get the 2203 and take it easy but this machine I don't intend to hold on to for long as I really need a bigger machine. Don't want to sell someone a problem.</p></blockquote><p></p>
[QUOTE="Longbeards, post: 114531, member: 19859"] I just bought a 743 from a woman who's husband left her. I was told this thing ran 2 months ago. Knowing the 1702 problems starting I worked on it in 20 degrees for 2 hours with no start. I left and she contacted me and said I could take it for $3,200. I did some quick searching for a motor thinking worst case and found a 2203 swap for just over 2k so I bought it. Got it to run with a torpedo heater and torch in the intake. It has a major exhaust coolant problem presumably cracked head. It had lots of water in exhaust. It had some blue smoke out the exhaust even after warming up so I figure I'll tear down or do a swap. So now I read the 2203 is maybe over powered so started looking for a 1902. Can't find one but found a v1903 bg-e brand spanking new for 3k at a boat shop. I have found forums for fitting the v2203 but none for the v1902 and certainly not for the v 1903 bg-e. Anyone know if the v1903 bg-e will fit and with what mods? My local and non local kubota and bobcat dealers have been beyond worthless. I even called the kubota motor people who build engines for all apications and they were willing to tell me nothing. So I bring my question to the place I should have started... thanks for any insights. If I can't find a 1902 I'll just get the 2203 and take it easy but this machine I don't intend to hold on to for long as I really need a bigger machine. Don't want to sell someone a problem. [/QUOTE]
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Bobcat 743 engine swap help
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