Hey Fritz,I will get a good close look at the valve on mine today and let you know if it is the same one.I never ran the 642 that I scrapped.I bought it as a parts combine in the deal with another one and a few heads.I really dont think you would like it as good as the later models though because it has two augers in the bottom on each side of the grain tank that are driven by a set of dry gears and a short chain that run off the shaft that the unload belt drives.The incline auger going in the tank is a great idea but the twisted up belt driving it looks like it would be a problem.I will tell you something very strange though,This was an old 642 serial #473 with the two augers in the tank then they built the newer ones like we run now with only one auger cross ways the tank.If i rember right Fordfarmer looked at a newer blue and white Dominator several years ago that was on E Bay that had the two unload augers in the tank just like the old 642.The newer green and white Dominator that I made the deal on about a week ago has the hopper and one unload auger just like the newer 642's but it has an inclined loading auger that has a angle gearbox that drives it off the top end of the clean grain elevator.It seems that Claas couldnt make up thier mind to go with two unload augers or one!This older 642 was kinda crude too in a lot of ways,It had no slip clutch on the feederhouse,no monitors for the shafts,The trans housing looked a lot smaller as did the brake drums.The cyl v/s pulleys were also a lot smaller and the engine cover had big gaps at the ends that would let a lot of dust and chaff right in on the engine.I got to looking at my parts book on this older one and even the bearings on the main beater shaft are different from the newer ones and use only stamped steel flanges instead of the big cast flanges.I think i will stick with the newer 642,s but the incline auger on the Dominator that I made the deal on with the gearbox driving it would probably work real good on the 642.
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