Posted by keith True on December 24, 2019 at 14:17:20 from (73.68.29.112):
In Reply to: Compression VH4D posted by srollins on December 24, 2019 at 11:36:54:
You have excellent compression,it sounds even better when you say it has been sitting.I wore two of those engines down in an M-700 Bobcat.They have ball bearings for the crank to run in,and they run in oil.That part never wears out.I always found that if the air filter was kept hooked up,the jugs didn't seem to wear much.I've seen the pistons worn almost egg shaped,with the rings looking like thin snap rings,and have the cylinders still in usable shape.I put two sets of pistons in my Bobcat,but I can't complain,I got 2700 hours out of them.I put another set in but only got about 800 hours before I sold it.If you do have to get into it,shop around.I know it's hard to believe,but you can find a $1200.difference in just the top end parts.If you can't seem to find a factory compression spec on it,it's because Wisconsin didn't publish one.Over the years rebuilders have come up numbers for them.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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