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Alt for D17

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=135126
Printed Date: 03 Oct 2025 at 5:40pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: Alt for D17
Posted By: dink
Subject: Alt for D17
Date Posted: 16 Feb 2017 at 7:20am
I have a series II D17. I'm wanting to convert from generator to alternator. I need help with which AC Delco alternator will work.
Thanks



Replies:
Posted By: nevans
Date Posted: 16 Feb 2017 at 9:24am
you only need a 35 amp alt. unless your running a lot of lights or electrical you will need the right pulley and also the brackets off a 170  we have the brackets the pulley needs a spacer on it either 3/8s to 1/2 in thick Niel


Posted By: nevans
Date Posted: 16 Feb 2017 at 9:27am
also need to change your key switch or it will keep running need to brake the circit going to the coil alt, will send fire to coil unless you kill the power Niel


Posted By: jaybmiller
Date Posted: 16 Feb 2017 at 9:58am
I'm partial to the CS-130 series as they are smaller, more powerful and 'newer' that the big old clunkers on a lot of tractors. a quick zip of an airgun will pop off the pulleys on both genny and alt. With the proper bracket you should be able to use the original belt!
I do use an 'idiot' light on my D-14s. There's a 'spare' 1/2" hole, lower left of the inst. panel. Don't know what it's supposed to be fore but is real handy for the light !CS-130s are/were popular with late 90s GM cars.LOTS at wreckers just be sure to get the connector while you're there !

Jay



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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


Posted By: Coke-in-MN
Date Posted: 17 Feb 2017 at 10:19am
10SI are what i have used as they were easily found and with a 50 to 70 A or above output run everything you need . Pulley from you generator will fit shaft but if you can find a small pulley from like a truck alternator to get a higher speed works good . 
 Easy to convert into 1 wire unit by jumping the output to the one terminal .


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Life lesson: If you’re being chased by a lion, you’re on a horse, to the left of you is a giraffe and on the right is a unicorn, what do you do? You stop drinking and get off the carousel.



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