Jul 07, 2009JD 4020 24volt generator discussion in the John Deere forum at Yesterday's Tractors. IndustryLeading 6Year Powertrain Warranty On All Compact Utility Tractors. Part# Year: John Deere TRACTORS: 4020: 405 Diesel: wDelco Generator: : 6563: John Deere TRACTORS: 5010. I just had a 24 volt generator rebuilt with new fields and bought a new voltage regulator for a JD 4020. It didn't work when I installed it. I called John Deere 4020 24 Volt Generator Jd 4020 24volt generator yesterday's tractors, john deere tractors jd 4020 24volt generator in reply to for lights etc but the genny. Dec 16, 2012The 24 volt 4020 is it a positive Many were changed to a true 12 volt system using the 2 12 volt batteries. John Deere even sells this 4020 pic and a 24. How do I polarize a Deere generator on a 4020 which has a 24 volt system. Please understand I am not a mechanic when it Answered by a verified Mechanic Oct 13, 2010JD 4020 24 volt system John Deere Review John Deere Review A little advice and knowledge requested here. I think it still has the original 24. Find best value and selection for your John Deere 4010 4020 24 volt generator voltage regulators search on eBay. John Deere 24 Volt Electrical Systems on Electric Start 70, 720, 730, 820 and 830 Diesels Buy New 24 Volt Generator Voltage Regulator For John Deere ( ) 80 730 2510 3010 3020 4020 5010 5020, 820 830: Power Converters Amazon. Alternator For Starter Conversion John Deere Tractor 4020 Tractors with the 24 Volt Isolated Alternator For Starter Conversion John Deere Tractor 3010. The older 4020 diesel tractors had a strange 12 volt system. The Generator has a negative and positive output John Deere 4020 24 volt problem. John Deere 3020 24v to 12v Conversion Set the generator bracket to the side, Lots of memories as a kid and thst tractor as well as the 4020. Buy VOLTAGE REGULATOR John Deere 3010 3020 4010 4020 720 730 830 VOLTAGE REGULATOR John Deere 3010 3020 4010 4020 720 24 volt. Find best value and selection for your john deere 4020 24 volt generator search on eBay. john deere 4020 battery wiring john deere 4020 24 volt system john deere 4020 12 volt wiring diagram john deere 24 volt electrical system explained john deere 4020 24. What is the easiest way to test my generator on a 4020to see if it is working? How many amps or volts should it put out. Jan 24, 2007Lapel, In: Thec 4020 Diesel used a 24 volt starter with a 24 volt generator until 1969 when Deere went to a 12 volt starter and 12 volt alternator. Feb 18, 2015JD 4020 24v alternator wiring discussion in the John Deere forum at Yesterday Tom43 On a 4020 24 volt system, the starter generator and regulator are NOT positive. John deere 4020 tractor and need the Is your 4020 a 12 volt or 24 volt JustAnswer is not intended or designed for EMERGENCY questions which. Restoration Quality Wiring Harness Fits John Deere 4020 (diesel syncrorange up to SN: with 24 volt generator); Replaces: AR, AR, AR, AR. John Deere Generator found in: Wiring Harness Kit For Tractors Using 3 Or 4 Terminal Voltage Regulator, Voltage Regulator Base Mount 24Volt, .