Well it looks like the rear main as there's a fair bit of oil back there, not enough to drip on the ground directly but it covers the rear axle housing in a day or two and there was a ton of sludge back there when giving her a good cleaning.
Now I'm more of a gas engine guy versus a diesel guy but if its the rear main, there's not much access from the bottom what with the rear axle in the way. It seems the easiest thing would be remove side and top covers, remove radiator and cooler, that looks like about a 3 hour job and then maybe another 1-2 hours to get the motor completely out. The Kubota M7040 will handily pick up 2000 pounds, does a 6466T weigh less than that? We could likely get a cherry picker/ jib crane to sneak in to give us a hand.
Once an engine is out, is there any 'common sense' items that should be addressed, the hourmeter reads 25,000 but there's very little smoke at full run and it is suspected that it may have been rebuilt at unknown hours. What would you do, check bearing clearance and oil pump condition? is the oil pump in the pan? No other oil leaks at this time. I'm thinking seal saver on the crank, rear main and pan seal at a minimum.
Now I'm more of a gas engine guy versus a diesel guy but if its the rear main, there's not much access from the bottom what with the rear axle in the way. It seems the easiest thing would be remove side and top covers, remove radiator and cooler, that looks like about a 3 hour job and then maybe another 1-2 hours to get the motor completely out. The Kubota M7040 will handily pick up 2000 pounds, does a 6466T weigh less than that? We could likely get a cherry picker/ jib crane to sneak in to give us a hand.
Once an engine is out, is there any 'common sense' items that should be addressed, the hourmeter reads 25,000 but there's very little smoke at full run and it is suspected that it may have been rebuilt at unknown hours. What would you do, check bearing clearance and oil pump condition? is the oil pump in the pan? No other oil leaks at this time. I'm thinking seal saver on the crank, rear main and pan seal at a minimum.