Sometimes we just get the shaft. Put in a new shortblock years ago in AC 190XT diesel, original engine needed overhaul, also had a spun rod bearing. Rebuilt head, new oil pump put in new shortblock. Ran about 200 hours on small farm in 2 years then locked up with 3 spun main bearings. Machine shop found crank was cracked on 3 journals that bearings had spun on. Owner talked with AC dealer, 90 day warranty, sorry. Repaired block main line bore, new crank was 1200 dollars, so old crank was reground and reused. Cracked crankshaft is holding my bench grinder, is my Pollish crank grinder now.
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Today's Featured Article - Tractor Hydraulics - The Basics - by Curtis Von Fange. Hydraulics was one of the greatest inventions for helping man compound the work he can do. It’s amazing how a little floor jack can lift tons and tons of weight with just the flick of a handle. What’s even more amazing is that all the principals of hydraulic theory can be wrapped up in such a small package. This same package applies to any hydraulic system from the largest bulldozer to the oldest and smallest tractor. This short series will take a look at the basic layout of a simple hydraul
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