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D17 Amps |
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Wot
Bronze Level Joined: 16 Sep 2009 Location: N Points: 154 |
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Posted: 06 Mar 2021 at 4:14pm |
Hello,
My D17D ser. III has the original generator on it. Was wondering how much amps it should give? It starts at about 1650 RPM and gives around 10AMP. max. Is that like it should be? Thanks! |
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steve(ill)
Orange Level Access Joined: 11 Sep 2009 Location: illinois Points: 80221 |
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I dont know if your testing on the tractor or bench, but OUTPUT is dependent on battery condition. Back then most cars had 30 amp generators. A lot of tractors were only 10-15 amps.. You dont NEED more than a few amps to charge the battery.. Now if the battery was DEAD and you jump started, you might see more amps out of generator.
Edited by steve(ill) - 06 Mar 2021 at 4:29pm |
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Like them all, but love the "B"s.
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PaulB
Orange Level Joined: 12 Sep 2009 Location: Rocky Ridge Md Points: 4670 |
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The 12 volt D17 tractors will have either a generator with a maximum output 20 or 25 amps, depending on with generator you have. If you sill have one of the 2 OEM generator numbers. To do an accurate check on the tractor you need a carbon pile load tester.
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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits. If you can't make it GO... make it SHINY |
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Leadoff
Silver Level Joined: 14 Oct 2016 Location: Calgary Points: 268 |
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Wot
Are there other electrical loads that might be impacting the generator's capability to charge the battery. The headlights will draw about 6-7 amps (total) when operating, and if you have any other lights hooked up to the tractor (working lights/trailer-wagon transport lights.......... The voltage regulator should allow more current from the generator to charge the battery and operate the lights, but it needs to be operating properly I recently rebuilt my D17 IV Gas Generator and purchased a new Voltage Regulator. I could not get the Generator to reach the 12 volt range until I cleaned the points on the voltage regulator (I assumed brand new would not be necessary) Two things I learned about generators/charging systems to watch...... 1. grounding of all connections/components is critical for optimum performance, battery terminals, wiring connections for all the wiring in the charging loop. 2. ensure the voltage regulator points are clean, especially if you are not operating the tractor on a regular basis. A thin film might form on the points surface preventing good performance Good luck with your charging system |
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1963 D17D Series III. 1965 D15 Series II. 1965 D17 Series IV. 1975 185. 1978 716H. 1979 716H. 1965 780 Harvester/1R&DC. 1957 Model 73 SC 4 Furrow Plow
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Wot
Bronze Level Joined: 16 Sep 2009 Location: N Points: 154 |
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Thanks for your advise! I did cleaned and ground everything (before that it didn’t load)
With 2 headlights on and 1 workinglight on (and the dash light) it shows 2 or 3 ‘charge’ amps when I have half throttle. With more than half throttle the gauge starts to ‘shake’ at the same charging amps. No problem at all, but just want to check if you think that is normal operation or I may check some things else in the system to get it may better. |
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jaybmiller
Orange Level Access Joined: 12 Sep 2009 Location: Greensville,Ont Points: 22269 |
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One thing to remember about generators vs alternators. gennys are low current, so it could take hours to recharge a battery alternators are high current,will quickly recharge a battery if you do a lot of 'short trips', you're better with an alternator as it'll keep the battery charged. do short trips with genny and battery never ever gets fully recharged.
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor) Never burn your bridges, unless you can walk on water |
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steve(ill)
Orange Level Access Joined: 11 Sep 2009 Location: illinois Points: 80221 |
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with head lights and work light ON and tractor at running speed... If your putting out 3 amps to a GOOD battery, that is fine.. Think of it as a trickle charge.. If the tractor set OFF with the lights on for 30 minutes, then start the motor, you probably get a little MORE CHARGE to get back to FULL........... your fine.
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Like them all, but love the "B"s.
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Leadoff
Silver Level Joined: 14 Oct 2016 Location: Calgary Points: 268 |
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Wot
Looks like your charging system is working very well. Good for you keeping it original equipment and working well for all these years
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1963 D17D Series III. 1965 D15 Series II. 1965 D17 Series IV. 1975 185. 1978 716H. 1979 716H. 1965 780 Harvester/1R&DC. 1957 Model 73 SC 4 Furrow Plow
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Wot
Bronze Level Joined: 16 Sep 2009 Location: N Points: 154 |
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That’s excactly the reason what I like about it, keep it as original as possible. But I want to check if I got the most out of it. Thanks all for your help! |
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