(800) 853-2651
SHOP NOW

B battery update

T in NE

T in NE

Well-known Member
Location
Cambridge, Nebraska
Battery charged right to 13.2, dropped off
to 12.8 and stayed there a while, so I
think it's good.

Put the battery back in with new ground
cable, started it up and moved the fuel
trailer, pulled into the shop for testing.
Pulls .03 ma when switch is off. Fired up,
12.36 volts at idle, 12.56 at full
throttle. If the 12 volt conversion was
done by who I think it was, he said it's
good because it's over 12 volts.

Anyhow, picked some more stuff up around
the shop, fired it up to park it, and no
throttle control. Time for a governor
spring.

Talked to my uncle, he's coming up on 58,
and we both learned to drive on this in
elementary school. He said it's only had
one governor spring replaced in the time he
can remember, so I think it's doing ok.
Have to get parts ordered Monday, it's
going to Old Trusty in Clay Center in two
weeks- it's first ever show.

Looked up the s/n. Built in 40. 19 years
older than my dad.
 
12.56 volts is just a full charged battery with out it running so the charging system is not working or if it is it is not doing so well. A battery with out the engine running should read no less then 12.5 volts if full charged. Engine running and the charging system working battery volts should be in the 13-14 plus volts nothing less
 
T, first of all the guy who said it was good because its over 12 volts IS WRONG AS RAIN. If it reads 12 volts at rest and stabilized ITS 50% DISCHARGED !!!!!!!!!!!!

If its a flooded lead acid six cell (approx. 2.1 volts each) 12 Volt battery at rest and stabilized at 77 Degrees F, 12.56 is very slightly discharged IE that's NOT fully charged !!!!!!!!!!!!

Typical voltages a good tractor charging system (Alternator often higher then generator) will raise battery level to at fast RPM are at least 13 up to 14+ subject to battery condition and voltage regulation parameters.

Here is a chart showing the State of Charge (SOC) versus voltage at rest and stabilized of flooded lead acid batteries at 77 Degrees. This assumes use of a good accurate volt meter of course

SOC Unloaded Voltage

100% 12.63
75% 12.30
50% 12.00
25% 11.76
0% 11.64

Hope this helps clear up any confusion

John T
 
Talked to dad today, he said they found the alternator in the barn somewhere. I'm going to stick a drill on the pulley nut and see if spinning it faster gets any more output. But I can deal with charging the battery every so often for now.

The guy who wired it the first time (my uncle rewired it from scratch afterward) was a navy airplane electrician. Took two 3E batteries out of the 1066 years ago, brought home two 3EEs, wired them series, and didn't believe he had 24 volts to the system til he got his dvm out.

Call titan in the morning and see what springs and a bearing will cost. Might scare me, I see the spring is $45 on evilpay.
 
(quoted from post at 04:52:25 08/26/19) Talked to dad today, he said they found the alternator in the barn somewhere. I'm going to stick a drill on the pulley nut and see if spinning it faster gets any more output. But I can deal with charging the battery every so often for now.
Click to expand...

I converted my BN over to 12 volts many years ago using a basic three wire Delco Alternator off I believe old Chevy pick-up, your basic 10-SI alternator. It had the normal single groove pulley on it and I actually used the stock Farmall belt.

It jumps the amp-meter up over halfway for a minute or so when first started and then drops almost to the center while running at full throttle. Only had to replace the 12 volt battery twice in over 25 years. Tractor sits all winter in unheated barn and fires up in spring like it has been only parked a couple days!
 
I'm thinking of going 3-wire and running an
old chrysler style regulator. They've got
built in temperature compensation. Drop
down around 13.5 volts over 100 degrees (I
think 13.8 is minimum) and I saw the one in
my Cummins push near 16 one night when it
was down below -10.
 
Called Titan yesterday. $77 for both governor springs, thrust bearing, and gasket. Within a couple bucks of evilpay on everything, but Nebraska requires sales tax be paid on internet purchases now. No sales tax running it through the boss's account.
 
You must log in or register to reply here.

Similar threads

Dingo3
Honda atv battery
Replies
7
Views
424
Dingo3
Dingo3
E
Battery Replacement for 2600 Diesel what works?
Replies
15
Views
871
Eman85
E
H
Ford 8n Not Cranking
Replies
16
Views
421
Janicholson
Janicholson
P
Fooled again 300 u won't start in the cold.
Replies
16
Views
711
Paul 300 U
P
M
SWD9 battery ground
Replies
7
Views
313
John T
J
Tractor Parts Tractor Manuals

We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today.

Copyright © 1997-2024 Yesterday's Tractor Co.

All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters
Website Accessibility Policy

Back
Top