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4020 Fitted With Heavier 5010 Front End
Lynden Jenkins says his brother-in-law was frequently breaking spindles on his Deere 4020 loader tractor, so he replaced the OEM spindles with the larger front end from a Deere 5010. Jenkins says fitting the heavier axles required reworking that his brother-in-law was able to do with a mechanicís help.
††††Long-time tractor mechanic Hank Wittrok says itís fair to assume the 4020 spindles were breaking because the operator was using a bucket and loader that were too large for the tractor. Deere specifications call for mounting a Deere 148 loader capable of lifting 3,100 lbs. or a 158 capable of lifting 3,800 lbs. on a 4020. The breakout force of those loaders is 4,700 to 5,000 lbs. Wittrok says it isnít uncommon to mount a larger loader with more breakout and lifting force that could easily crack or break the spindles.
††††A Deere 4020, listed at 80 hp., had standard spindles 15.125-in. long with a 1.50-in. shaft and 1.687-in. dia. wheel mount. The 5010 is a 120 hp. tractor built on a much heavier frame and weighing almost 4,000 lbs. more than a 4020. Standard 5010 spindles are 2 in. thick. Wittrok says finding a 5010 front end nowadays can be like searching for a needle in a haystack because fewer than 10,600 of those tractors were built. In the early 2000ís mechanic Ed Beem of Iowa rebuilt Deere axles and adapted other models to 40 series tractors. He passed away in 2009 and itís not known if anyone currently does rebuilds like those Beem did.
††††Contact: FARM SHOW Followup, Lynden Jenkins, P.O. Box 171, Freedom, Wyo. 83120.

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2018 - Volume #42, Issue #4