Stickman4004 Posted November 21, 2022 Share Posted November 21, 2022 I have a hydro 100. Tractor has 7000 hours, i was told when i bought it, that it has a engine out of a combine that had 3500 hours on it. I left the tractor sit all summer, came back to start it and I saw diesel in the engine oil! I wrenched on the fan pulley to see if the engine would turn and it seemed fine as best as I could tell. I changed the oil. Tractor will not start because the starter turns over hard. I have 13 volts at the starter. Is my fuel pump leaking or my injectors? Do i need to drain diesel from a cylinder? If i get it started, can i run it as long as i keep the oil fresh? Im near scottsbluff nebraska, and torrington wyoming. Do you know any mechanics i could call to help out around here? Quote Link to comment Share on other sites More sharing options...
Nebraska1206 Posted November 21, 2022 Share Posted November 21, 2022 Pretty sure there's Titan Machinery dealerships in both of those towns, formerly Horizonwest dealerships. Should be some mechanics at both of those dealerships. Quote Link to comment Share on other sites More sharing options...
Stickman4004 Posted November 21, 2022 Author Share Posted November 21, 2022 Do you know of any mechanics that do not include the dealerships? Like independent or small scale or classic mechanics? Quote Link to comment Share on other sites More sharing options...
snoshoe Posted November 21, 2022 Share Posted November 21, 2022 A little confused by "wrenched on fan pulley". If you can turn the engine with the fan belts. You better get the starter fixed. Voltage should be 10.5 or higher at starter while cranking. Fuel in oil while sitting is most likely shaft seal on transfer pump. Quote Link to comment Share on other sites More sharing options...
stronger800 Posted November 21, 2022 Share Posted November 21, 2022 Removing the flywheel timing cover on the bell housing and using a bar on the ring gear, would be the preferred method of turning an engine by hand. You won’t have fuel pooled in the cylinders, so turning with the starter is fine once you get the starter cranking. Quality jumper cables or booster pack is worth a shot. Quote Link to comment Share on other sites More sharing options...
1566Hog Posted November 21, 2022 Share Posted November 21, 2022 I bought a 1066 a year ago with the same issue. Was the seal on the shaft. Of course when I took it to the pump shop, they said everything is shot. Needs rebuilt. That’s what they always say in my opinion. $1500 later, no fuel in the oil. It really isn’t that hard to take the pump off yourself. A few injector lines, a few fuel lines, and the mounting bolts. Timing it is pretty easy as well. I agree that you won’t have fuel in the cylinders hydro-locking your engine. You must have starter or battery cable issues. Quote Link to comment Share on other sites More sharing options...
Matt Kirsch Posted November 21, 2022 Share Posted November 21, 2022 If you can turn the engine over 2 full revolutions through the fan, then you do not have a problem with fuel in a cylinder. You would NOT be able to turn the engine over that easily by hand. Combined with the other thread you started, where you put in new batteries, cleaned all the contacts, etc., you have a bad starter. The injection pump needs to be looked at, at the very least. Don't turn a $1500 repair into a $10,000 repair. Quote Link to comment Share on other sites More sharing options...
1566Hog Posted November 21, 2022 Share Posted November 21, 2022 You could in theory change the engine oil and run the tractor for a short amount of time. Depends on how bad the leak is. I know I wouldn’t take a chance with fuel dilution in the engine oil. I’d be afraid of finding out the hard way where that fine line is where your engine oil looses too much lubricating properties. My 1066 that did that was not a fast leak, but I ended having 3 gal extra oil in the crankcase one day. I called it quits and took off the pump after that. 1 Quote Link to comment Share on other sites More sharing options...
catman13 Posted November 21, 2022 Share Posted November 21, 2022 shaft seal on pump, if run it much you will wash the cam and main bearings out and then you just need a rebuild on motor. the starter issue is bad connections on the cables, maybe starter is shot, maybe battery is done Quote Link to comment Share on other sites More sharing options...
snoshoe Posted November 21, 2022 Share Posted November 21, 2022 Replacing seal can be accomplished just by removing transfer pump from the end. Resealing entire injection pump. Resetting port closure and slip clutch is preferred. Quote Link to comment Share on other sites More sharing options...
Farmall Doctor Posted November 21, 2022 Share Posted November 21, 2022 The Oring on the hydraulic head gets old and tends to leak as well. Quote Link to comment Share on other sites More sharing options...
Stickman4004 Posted November 22, 2022 Author Share Posted November 22, 2022 Thanks for all the info. I replaced all the battery cables and she fired right up. I was able to get it to the shed where i can get the pump removed. Quote Link to comment Share on other sites More sharing options...
stronger800 Posted November 22, 2022 Share Posted November 22, 2022 Glad to hear it. Battery cables are so important on a big diesel engine. That comes up seems like every few months on here. Quote Link to comment Share on other sites More sharing options...
Matt Kirsch Posted November 22, 2022 Share Posted November 22, 2022 That surprises me. I would have sworn that the starter was bad before the cables. Did the cables have any of those cheap repair ends on them? Lots of green or black corrosion? Quote Link to comment Share on other sites More sharing options...
nepoweshiekfarmalls Posted November 22, 2022 Share Posted November 22, 2022 Had a braided ground strap on a 706 that was bad. We had cleaned all the connections, had the starter rebuilt and tried a different battery. No improvement. Changed out the ground strap and the tractor started without issue. Quote Link to comment Share on other sites More sharing options...
stronger800 Posted November 23, 2022 Share Posted November 23, 2022 I keep a new CNH ground strap here. I have original ones that are 50 years old and then other ones that live and work in the same conditions but didn’t hold up very well at all. Anybody have a recommendation for a brand of one of those battery safety disconnect switches that you would put in line with the ground strap? Quote Link to comment Share on other sites More sharing options...
nepoweshiekfarmalls Posted November 23, 2022 Share Posted November 23, 2022 14 hours ago, stronger800 said: Anybody have a recommendation for a brand of one of those battery safety disconnect switches that you would put in line with the ground strap? Caterpillar part# 7N-0718 Construction company I worked for installed them on everything. 1 Quote Link to comment Share on other sites More sharing options...
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