Need a new battery for the 5420

   / Need a new battery for the 5420 #1  

Kyle_in_Tex

Super Star Member
Joined
Oct 24, 2002
Messages
12,640
Location
East Central, Texas
Tractor
JD 4310,JD5420
The stock battery lasted from 2002 until 2011. An Exide battery from TSC was quite a bit less (I don't remember exactly) maybe $179?? But it is toast and has lasted 7 years.

The stock battery BLEW THE F UP back in 2011 when I was attempting to start the tractor. Literally, it blew the top off. A short caused a spark and it sounded louder than a 12 guage shotgun. I had to immediately spray everything down to dilute the acid.

I'm kind of hoping I can snag a AGM from a leftover project at work. They are just sitting in a room now for about a year going to waste.... I will talk to the powers that be.
 
   / Need a new battery for the 5420
  • Thread Starter
#2  
Ok update. Tractor supply's battery is a group 31 Exide model that sells for about $105.
 
   / Need a new battery for the 5420 #3  
Group 31 Odyssey AGM is around $400. I wouldn't give spit for an Optima AGM. Too many bad reviews.
 
   / Need a new battery for the 5420 #4  
I've always had good luck with the Interstate batteries.
 
   / Need a new battery for the 5420 #5  
TY24546 Get at your Deere Dealer.. Looks to be about $179
 
   / Need a new battery for the 5420
  • Thread Starter
#6  
Group 31 Odyssey AGM is around $400. I wouldn't give spit for an Optima AGM. Too many bad reviews.

I've had 2 Optimas in the 4310 and each has lasted 6 years or more.
 
   / Need a new battery for the 5420 #7  
TY24546 Get at your Deere Dealer.. Looks to be about $179

Filled with delicious koolaide!
YMMV but I've had terrible luck with deere batteries, at least 10+ years ago. The hibernators we bought for our 4010 were expensive but they fit the stock battery boxes. They lasted MAYBE a year.

My advice is to find the biggest deep cycle that will fit. I've been slowly converting all my diesels over to deep cycle batteries. Yes, I know the CCA numbers SAY they won't work as well as a normal SLA but my experience has been VERY much the opposite. I've had amazing luck with every diesel I've done this on. Able to crank much faster and longer after a glow cycle than an SLA.
 
   / Need a new battery for the 5420
  • Thread Starter
#8  
Since the last battery (Exide) lasted almost 7 years, I bought another at TSC. $105.

I had to wire brush the plate under the battery and clean off the corrosion. I sprayed it with rustoleum rusty metal primer.

Put the battery in, and she fired right up.
 
   / Need a new battery for the 5420
  • Thread Starter
#9  
Filled with delicious koolaide!
YMMV but I've had terrible luck with deere batteries, at least 10+ years ago. The hibernators we bought for our 4010 were expensive but they fit the stock battery boxes. They lasted MAYBE a year.

My advice is to find the biggest deep cycle that will fit. I've been slowly converting all my diesels over to deep cycle batteries. Yes, I know the CCA numbers SAY they won't work as well as a normal SLA but my experience has been VERY much the opposite. I've had amazing luck with every diesel I've done this on. Able to crank much faster and longer after a glow cycle than an SLA.

I've always wondered if a deep cycle would work. Thanks for posting the info. If it works in the cold of Michigan, I'm sure it would work here too.
 
   / Need a new battery for the 5420 #10  
When I needed one for my JD5520, I went to Sam's Club and bought the biggest CCA one that would fit. I don't remember the exact price but they were the lowest, by far and had a no-hassle replacement policy if it failed. That was 7 or so years ago and still going strong. Note here is that I charge the batts ever fall just before winter. They seem to last way longer that way.

On Optima AGM, I've had great results with them in farm tractors. Again, I always keep the charge up and I think that's super important for Optimas. Never, ever let them fully discharge.
 

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