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    JD 7520 transmission rebuild cost

    I've tried a few things to fix the overheating transmission problem in my 1975 7520 with no results. I'm planning to talk to my local jd dealer about finding the problem and fixing it. I just don't have the time or knowledge of these to fix it. My question is what could I expect to spend on...
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    JD 7520 Transmission Overheating Update

    I took the transmission cover off today to take a look inside. The gears looked good for the most part. I found a couple chipped edges and the reverse was worn where the coupler goes but for the age I thought it looked normal. I did find a broken bolt, part number 19H1944 in the lookup. It...
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    JD 7520 hydraulic cooler flow

    I posted earlier about my 1975 7520 having problems with the transmission overheating. I pinpointed where the heat is starting. The first point that heats up is the block on top of the transmission case front cover. The line that runs from the oil cooler in the front of the tractor runs to...
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    JD 7520 Trans Problems Update

    1975 4wd 7520. I changed the trans oil in the tractor and filter and the old oil smelled burnt and was almost water like. There wern't any metal filings or other junk in it. It still heats up in low range. I drove it less then 1 mile empty and it was hot. I am almost sure the heat is coming...
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    7520 4wd transmission problem

    I have a 1975 7520 and was pulling loads of beans with it today. Nothing major just 450 bu at a time aboud 3 miles down the road. I was pulling in 7th gear low speed just fine rpms would stay just the same going up and down small hills. When hauling empty I started in 6th and shifted on the...
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    Setting Tire Beads

    I'm putting new tires on my 1975 7520 and have a few questions about setting the beads. I took the 20.8 34 tires off and am putting 18.4 34 BKT tires on it with Firestone 16.9-18.4 tubes. These are 18 inch wheels. I cleaned the wheels with a wire wheel and treated the wheels with a rust...
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    18.4x34 tires on 18 rims

    I am looking at switching the tires on my 7520 from 20.8x34 to 18.4x34. I have looked into switching but have been told that I will need to change all the rims to 16 inch since it has 18 inch rims now. My question is can I run 18.4's on the 18 inch rims or will there be a problem with seating...
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    Lost Serial Number Questions/Ideas

    I recently bought a 1970's John Deere 7520 at an auction. This tractor had both the serial tags removed from the rear axle and the engine. I would like to identify the year and some other information about this tractor. I talked with John Deere and they said I need one of those two numbers to...
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