(800) 853-2651
SHOP NOW

Unlead gasoline

Not at all, in later years lead was an additive(yes, that's correct and we got pay later for its removal) . In my area, the 91 octane esso crap is what regular was 20 years ago....at least no ethanol in it so far.
 
(quoted from post at 22:16:54 03/12/15) I have a 1939 John Deere B. I am wondering if using
unleaded gasoline will harm the engine.
Click to expand...

There never was lead in diesel, distillant, kerosene, propane or natural gas. All those engines got along just fine without lead.
 
Excellent point! I've seen several people worry incessantly about unleaded gas burning the valves, eroding gaskets, and causing rough running, but these low compression / low RPM / heavily built engines would run on apple cider if you let it ferment long enough. haha
 
Back in the day, the lead was supposed to sort of cushion the valve seats. As diesel and LP gas became more common, so did hardened seats. Odds are somewhere in the past 75 years, your B got hardened seats- and no need to worry about lead.

Even if it didn't, odd are you are not going to run it enough to make a difference.
 
Just my .02 but I never leave any gas in any of my antique tractors. I use only ethanol free gas and make sure that I run them all dry then empty the bowl if possible whenever I run them. It's worked well for me for years now.
 
You must log in or register to reply here.

Similar threads

T
John Deere 440 Starter
Replies
3
Views
370
Randy G.
Randy G.
J
Need help with John Deere 1010w 4 Cylinder gasoline Main bearings
Replies
9
Views
488
Mnethercutt
M
T
Flywheel height specifications
Replies
4
Views
221
Tmc4010
T
H
john deere model B with wide row front
Replies
1
Views
364
used red MN
U
R
1939 John Deere H mag issues.
Replies
11
Views
373
Ratrod
R
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