E112 | How to Test Hydraulics for Leak & How to Change Couplers on John Deere 8520 Tractor
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Learn how to test the hydraulics for a leak on a John Deere Tractor, how to remove and replace couplers on a John Deere 8520.
► Buy John Deere Parts - https://go.west-equip.com/youtube/shopjdparts-home
► Need help finding John Deere parts? Call (806)557-2948
► Go to college to be a John Deere Tech - https://west-equip.com/agtech
► Apply for High School Internship - https://west-equip.com/intern
#farming #tractor #mechanic
**8420, 8520, 8530, 8430, 8530**
► Buy John Deere Parts - https://go.west-equip.com/youtube/shopjdparts-home
► Need help finding John Deere parts? Call (806)557-2948
► Go to college to be a John Deere Tech - https://west-equip.com/agtech
► Apply for High School Internship - https://west-equip.com/intern
#farming #tractor #mechanic
**8420, 8520, 8530, 8430, 8530**
