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John Deere 2940 Starting issue
#8184898
02/26/21 08:09 PM
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Joined: Oct 2007
Posts: 8,279
BradyBuck
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THF Trophy Hunter
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OP
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Posts: 8,279 |
Starter is good Batteries are good Grounds are good What else should I try to figure out why my tractor won't crank over?
HRCH Washita's Kimber Locked N Loaded GRHRCH Firefly's Rally The Troops MH
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8184935
02/26/21 08:37 PM
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Joined: Mar 2019
Posts: 19,125
TCM3
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How did you verify the components are good? ( have to ask this because i've dealt with people who say "oh that battery is good", just because it reads 12.6 volts, yet voltage dropped like a rock when load tested) Did you remove the starter and have it tested? Did you have the batteries load tested? Could be something causing an excess load on the engine maybe. heck, even a battery cable that is corroded or can't carry the amperage. If you can get help have some one check battery voltage while you're cranking it.
Do not forget to entertain strangers, For by so doing some have unwittingly entertained angels Hebrews 13:2 (R-TX)
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8184937
02/26/21 08:39 PM
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Joined: Jul 2008
Posts: 3,805
Big_Country01
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Sounds like you need a new starter. Its drawing way too many amps. It is just as cheap to buy a new one these days as it is to have one rebuilt.
Side question: What happens if you hook your truck up to jump it off?
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8184944
02/26/21 08:48 PM
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Joined: Apr 2009
Posts: 6,107
pdr55
THF Trophy Hunter
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Posts: 6,107 |
Pull start it to get it running then figure it out. Sounds like the battery is shot to me.
If you`re running down my country, man, You`re walking on the fighting side of me. (Merle)
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8184946
02/26/21 08:51 PM
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Joined: Feb 2011
Posts: 163
KHH
Woodsman
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Woodsman
Joined: Feb 2011
Posts: 163 |
I got the same exact tractor, if the temp is below 55 it will do what yours is doing. Above 55 it cranks over like a new one. Just nature of the beast with the old deere's.
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8184947
02/26/21 08:51 PM
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Joined: Apr 2009
Posts: 6,107
pdr55
THF Trophy Hunter
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Posts: 6,107 |
Side note... if you pull start it, put it in 3rd gear so that the tires don’t skid.
If you`re running down my country, man, You`re walking on the fighting side of me. (Merle)
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8184949
02/26/21 08:54 PM
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Joined: Dec 2012
Posts: 4,800
TexasKC
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Like others have said, it sounds like a weak battery or your starter is shot.
In the end, it's not the years in your life that count, it's the life in your years.
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8184955
02/26/21 08:58 PM
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Joined: Oct 2007
Posts: 8,279
BradyBuck
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THF Trophy Hunter
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I took the starter, batteries and alternator to a starter and alternator shop
HRCH Washita's Kimber Locked N Loaded GRHRCH Firefly's Rally The Troops MH
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8184970
02/26/21 09:05 PM
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Joined: Oct 2004
Posts: 39,536
redchevy
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Something is amiss, like others have said that battery sure doesnt sound strong to me.
Just a little story, but I replaced the alternator on our old Duramax. I took it out and put it back in 3 times... it tested good at 2 O'rileys and an autozone before it failed the tester. Replaced it and all was good again.
Second thought, is the battery rated for the application? The manual will give you min CCA etc.
Last edited by redchevy; 02/26/21 09:06 PM.
It's hell eatin em live
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8184980
02/26/21 09:10 PM
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Joined: Sep 2007
Posts: 4,294
oldoak2000
Extreme Tracker
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Extreme Tracker
Joined: Sep 2007
Posts: 4,294 |
Severe cold prolly 'finished off' battery(s) - especially if they are more than a few years old.
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8185032
02/26/21 09:56 PM
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Joined: Jul 2008
Posts: 3,805
Big_Country01
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I took the starter, batteries and alternator to a starter and alternator shop And what did they say?
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8185063
02/26/21 10:26 PM
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Joined: Nov 2006
Posts: 14,030
John2
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Sounds like your battery is weak plus that thick oil will make any engine turn over slow or not at all in the weather we just had.
Not all those that wander are lost..
Back The Men in Blue that wears a badge
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Re: John Deere 2940 Starting issue
[Re: John2]
#8185069
02/26/21 10:30 PM
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Joined: Jan 2010
Posts: 22,997
fadetoblack64
giddyup
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giddyup
Joined: Jan 2010
Posts: 22,997 |
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Re: John Deere 2940 Starting issue
[Re: fadetoblack64]
#8185075
02/26/21 10:35 PM
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Joined: Nov 2009
Posts: 91,416
bill oxner
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Not. He wasn't born yesterday.
Quail hunting is like walking into, and out of a beautiful painting all day long. Gene Hill
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Re: John Deere 2940 Starting issue
[Re: Big_Country01]
#8185222
02/27/21 12:22 AM
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Joined: Oct 2007
Posts: 8,279
BradyBuck
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I took the starter, batteries and alternator to a starter and alternator shop And what did they say? Batteries are good, starter is good Alternator needs some work but batteries were charged so it's not the alternator. I checked all the grounds Still nothing I think it may be a bad cable from battery to starter?
Last edited by BradyBuck; 02/27/21 12:24 AM.
HRCH Washita's Kimber Locked N Loaded GRHRCH Firefly's Rally The Troops MH
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8185243
02/27/21 12:47 AM
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Joined: Apr 2011
Posts: 29,034
Western
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Have had this happen on a couple different tractors. Had one that the battery tested good at full charge, but still had a dead cell, swap a good battery and that should take that probability out of the loop.
One tractor got like this about every 2 years and it was usually the ground connection on the frame, once iirc, it was the post on the battery . The ground point on the frame seems to be an issue with the one tractor, new battery and it still would have a bit of effort to roll her over. I'd pull those connections, sand them clean, add some silicon grease and reassemble.
If at first you dont succeed, then skydiving is not for you..
"Don't trust everything you read on the Internet"- Abraham Lincoln Dennis
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8185254
02/27/21 01:06 AM
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Joined: Dec 2008
Posts: 5,191
LonestarCobra
THF Trophy Hunter
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Joined: Dec 2008
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Double check the battery and the cables, if the electrical system is really all good, there is another problem not electrical.
Those Deere had/have issues with the hydraulic pump stroking on startup and loading the starter down. Some came with de stroke valves, and some didn’t. Try moving the steering wheel left and right while cranking, it will sometimes relieve enough flow to help it turn over.
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8185372
02/27/21 02:29 AM
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Joined: Oct 2007
Posts: 19,241
TEXASLEFTY
THF Whiskey Sommelier
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THF Whiskey Sommelier
Joined: Oct 2007
Posts: 19,241 |
Have you checked the cables?
Never been to a camping world. I prefer Dick's to be honest.
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8185391
02/27/21 02:44 AM
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Joined: Apr 2013
Posts: 698
rogerh
Tracker
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Tracker
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If you have one bat that is crap it will draw off good battery. The parts stores don't use a good heavy load tester they use one that reads a percentage. Either you have a bad connection bat pos or ground or a junk battery.
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8185574
02/27/21 01:37 PM
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Joined: Jul 2012
Posts: 15,695
603Country
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If it won’t crank at all, could it be that the problem is the ignition switch? I’ve had that happen.
Otherwise, just do what any normal repair shop would do, and throw parts at it (replace everything).
Not my monkeys, not my circus...
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8185578
02/27/21 01:39 PM
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Joined: Nov 2009
Posts: 91,416
bill oxner
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Posts: 91,416 |
At what point do you plan to take it in?
Quail hunting is like walking into, and out of a beautiful painting all day long. Gene Hill
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8185604
02/27/21 02:20 PM
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Joined: Jan 2014
Posts: 12,756
Paluxy
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Use your jumper cable to go straight to the starter to see if it cranks any better. Clip the negative on the starter case or bolt and then touch the positive to the starter side of the solenoid. That will eliminate it being any wiring or solenoid issues.
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8185924
02/27/21 08:41 PM
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Joined: Apr 2009
Posts: 6,107
pdr55
THF Trophy Hunter
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THF Trophy Hunter
Joined: Apr 2009
Posts: 6,107 |
Did you try pull starting it as I suggested above?
If you`re running down my country, man, You`re walking on the fighting side of me. (Merle)
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Re: John Deere 2940 Starting issue
[Re: BradyBuck]
#8192987
03/05/21 02:42 PM
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Joined: Jul 2008
Posts: 3,805
Big_Country01
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So what is the deal?? Did you ever get it running?
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Re: John Deere 2940 Starting issue
[Re: Big_Country01]
#8193041
03/05/21 03:27 PM
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Joined: Nov 2006
Posts: 14,030
John2
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So what is the deal?? Did you ever get it running? I been wondering the same thing
Not all those that wander are lost..
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