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I'm assuming it has rasp bars rather than a spike tooth cylinder. I would check the rasp bars and concave through the rock trap opening. Check the shoe augers for extensive wear under the concave if possible. Check the clean grain and tailings elevator chains to see if they are worn out or paddles missing. Check the clean grain auger and tailings auger under the chaffer. Check the chaffer swinger arms to see if the bushings are worn out. If one of these comes off it will eat into the body of the machine. Experience on that. Look at the flighting on the cross augers, loading auger, upright and unloading augers through the inspection doors. Inspect all belts for excessive wear and look at all sprockets for excessive wear. Sharp teeth on the sprockets will not only mean the need for new sprockets but more than likely a new chain also. Look for any oil leakage anywhere on the machine. Around motor, under trans and hydrostat. Check all the fluid levels. Hydraulic, motor, radiator, hydrostat, reverser, planetaries and rear 4wd motors if equipped. Look over the feederhouse for any stress cracks since these machines aren't equipped with contour master. Check the feederhouse chain for extensive wear. There are doors on top and underneath to inspect the chain. Look at all bearings to see if there are any worn out or going down bearings. Check the wood blocks on the straw walkers by pushing up on the walker. If there is movement, then the block is more than likely worn out. Check the straw chopper blades for extensive wear. If they are worn then they will need replacing along with the washers. Check for any stress cracks on any part of the body and around the pivot point on the rear axle. Inside the cab, check A/C, radio, wiper, lights, tachometer, gauges, etc.... Start the machine and turn it on. Run it at open throttle and have someone else or yourself listen for anything hitting or any vibrations sitting in the seat. Look for any excessive exhaust smoke or blue smoke. Motor could be hurt.



I hope that helps.
 

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Thanks Okie. I'm not trying to hi-jack your thread but I want to show you what we bought and where it is now. Something that we have been working on over the last 5 years. It is an '87 model that has close to 4700 hours on it now. We bought it in Aug. of '03 with 3634 hours and extremely beaten down. This machine has gone through a total transformation from then. Here it is. Something for you to consider and compare to and how much work it takes. But worth it.











 
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