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4020 early model
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Posted by raleigh on August 12, 2006 at 21:01:32 from (24.197.147.96):
I have noticed on the 4020 early model tractors the engine has these small holes all along the side of it. What were they used for? The later models seem to have done away with these holes. What were they for? Is the later model better off without them? Do these holes cause problems?
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