I have the little brother in the 6620 and I have no problem getting common wear parts from JD for it. The 6620 and 7720 share many parts such as belts and bearings. Most commonly needed wear parts are on the shelf at the various JD dealers around here. Now if you want to talk about things such as a new cylinder head for the engine then those parts are NLA just like they would be for any combine made during the late 1970's and early 1980's. Just like any older machine you can reach a point where major repairs are needed and the cost can easily exceed the value of the machine when in good condition.
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Today's Featured Article - New Life for an Old Allis - by Tyler Woods. My friend Jon, has an old '39 Allis Chalmers B. He thought it a marginal tractor that had long since served its time. She smoked terribly and never had much power but he couldn't afford another so he was limping along with what he had. Jon's Allis has a small front loader and though it doesn't carry much, it serves his needs. It was the hard starting and low power that made him think it was time to replace the old girl. Jon called me to help him discover why his tractor wouldn't start
... [Read Article]
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