Recent content by Ceilingwalker

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    What year is my Bobcat 753C

    Yes, I did call them. I quoted them in my opening thread. The gal at Bobcat didn't sound real confident but, after doing more digging, I think she's correct.
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    What year is my Bobcat 753C

    I purchased a Bobcat 753c yesterday. The listing showed the year 2000. I called Bobcat and the lady said, "It looks like your machine is a 1995". I looked online and it said the 753 was built from 1999-2003. I don't know how to be confident I have the correct information regarding the year of this.
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    New project...bobcat 610, with pictures!

    I purchased a 1973 M610 last year. No compression to speak of for cylinders 2 & 3. Turned out #3 rod bearing was gone which broke the rod sending the piston into the camshaft breaking that also. Purchased machine for $5k, $1.5k to have jugs and journals machined, another $500 for all new...
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    Removing an M610 variable speed pulley question

    Hello all, I have entirely rebuilt my Wisconsin engine in my 1973 M610 and now the variable speed mechanism has sprung a leak. I had this drive pulled apart before however, I am having trouble getting this part out so I can put new O-rings in it, which is why I believe it is slinging hyd fluid...
  5. Screenshot 2024-04-28 174023.png

    Screenshot 2024-04-28 174023.png

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    Engine valves question

    Hello all. I am trying to get wise to this engine that I am servicing, the Wisconsin VH4D. My spring compressor didn't work so I had to use a C-clamp and some trial and error. Some came out nice, some rifled out. I noticed that some of the springs are longer than the other but I didn't get a...
  7. Screenshot 2023-11-06 055149.png

    Screenshot 2023-11-06 055149.png

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    1972 Bobcat 610 -- VH4D or VF4D

    Did you have to pull the engine to get the heads off? There are two nuts, one on each head, that I can't see any way to get out without pulling the engine. I really want to put new piston rings on it, hone the cylinders and do a valve job to be sure I have done what I can.
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    1972 Bobcat 610 -- VH4D or VF4D

    Okay, after performing the wet compression test and looking at the engine better, the head gasket theory of mine doesn't make sense. Wet test left the front left (standing at the rear of the machine) at 35, front-right at 90 after several rotations, rear-left at 60 after several rotations, and...
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    1972 Bobcat 610 -- VH4D or VF4D

    Also, the two cylinders that make it to 75, it takes a few cycles to get to 75 which leads me to believe the piston rings might be worn. Once, while using an auger attachment, the yard filled with white smoke from the exhaust, but only once. I dug 9 holes and it was on the first hole. Also, that...
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    1972 Bobcat 610 -- VH4D or VF4D

    This tells me head gasket but I am by no means as experienced as you folks are. I have been having issues with the motor bogging down when I use my aux hydraulics since I bought it. What should the compression be for this motor? Thank you
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    1972 Bobcat 610 -- VH4D or VF4D

    I don't know the cylinder order of this machine and I only performed a dry test for now. The two cylinders opposite each other, on my left-hand side (at the rear of the machine) are at 35 and the two cylinders on the right-hand side are at 75.
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    1972 Bobcat 610 -- VH4D or VF4D

    My 1973 M610 started making like a compression escape sound yesterday and now it doesn't want to turn-over at all. I have been diligent about checking the oil frequently because I know she's an old girl and want to take care of it. The guy I purchased it from was second owner and he told me it...
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    1972 Bobcat 610 -- VH4D or VF4D

    I know this is an old post but thought I would give it a shot. Are you saying to pull the entire distributor out to check?
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    1973 Bobcat 610 fuel gage

    It's a ghetto way to do it but you're right, it works.
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