Burtz vibrations

[Keith True]

John Deere used dual balancer shfts in a lot of engines.Right at the bottom of the blocks,almost oil pan rail level.I replaced quite a few of them.They had bushings,like cam bearings,and there was a tool to press a little dimple in them that would keep them from walking out of the block.I don't remember how they were oiled,but all the repairs I did on them were from running dry.I still have the timing tools used to set up the shafts in the engine.