Farm Equipment - B gov spring

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B gov spring

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=30569
Printed Date: 04 Nov 2025 at 9:27am
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Topic: B gov spring

Posted By: MikeinLcoMo
Subject: B gov spring
Date Posted: 11 May 2011 at 8:07am

I'm converting a B from Mag to distributor and wonder if I need to swap the gov spring. I think this changes the loaded rpm but this tractor is not going to see any hard work. Thanks.

Replies:

Posted By: CTuckerNWIL
Date Posted: 11 May 2011 at 8:11am

There is no need to change the spring. The old girl will probably be happier if RPM is left as it was.

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http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF

Posted By: MikeinLcoMo
Date Posted: 11 May 2011 at 8:14am

Thanks Mr Tucker. I've used your advice befor and and it's always been a help. Have a great day. Mike

Posted By: Charlie175
Date Posted: 11 May 2011 at 8:30am

Ah come on, put a D15 spring on it!

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Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD

Posted By: CTuckerNWIL
Date Posted: 11 May 2011 at 11:50am

Charlie, I tend to lean a little to the conservative side on this subject because of nightmare stories I have heard about an old well used engines breaking rings after having the RPM jacked up.

An old friend of my Dads told me of a VAC case bought new by this fellow that never ran it over half throttle. He farmed with it for years that way. When they had his estate auction, the guy that bought the tractor fired it up to drive it home and only made it a couple miles up the road at full throttle before the engine locked up.

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http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF

Posted By: Charlie175
Date Posted: 11 May 2011 at 12:57pm

I agree also for the most part. The intended use of the tractor in this case would preserve its longevity for sure. Not sense running it at 2000 RPM's when not needed.

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Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD