I don't know about this particular manual but I tried a cheap online download several years ago for my 9560 combine and was not very satisfied. I ended up downloading the diagnostic and test technical manual from Deere (not cheap but several hours with the dealership mechanic in your driveway using this same manual to work on your machine isn't cheap either). It is very thorough and takes you through step by step testing procedures to identify problems - 10,000 pages but a very good table of contents that allows you to jump to the section you need. Your 4420 will not be nearly as complicated as it is pre everything electronic. I've spent several hours in mine this week because after I washed my combine up at the end of harvest, it now refuses to start. Have narrowed it down to a circuit board that had gotten dusty and then wet - bad seal on the central control unit box. GRRRR
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Today's Featured Article - A Lifetime of David Brown Tractors - by Samuel Kennedy. I was born in 1950 and reared on my family�s 100 acre farm. It was a fairly typical Northern Ireland farm where the main enterprise was dairying but some pigs, poultry and sheep were also kept. Potatoes were grown for sale and oats were grown to be used for cattle and horse feeding. Up to about 1958 the dairy cows were fed hay with some turnips and after that grass silage was the main winter feed. That same year was the last in which flax was grown on the farm. Flax provided the fibre which w
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