Yesterday's Tractor Co. Shop Now
   Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver
Classified Ads
Photo Ads
Tractor Parts

Discussion Forums
Project Journals
Tractor Town
Your Stories
Show & Pull Guide
Events Calendar
Hauling Schedule

Tractor Photos
Implement Photos
Vintage Photos
Help Identify
Parts & Pieces
Stuck & Troubled
Vintage Ads
Community Album
Photo Ad Archives

Research & Info
Tractor Registry
Tip of the Day
Safety Cartoons
Tractor Values
Serial Numbers
Tune-Up Guide
Paint Codes
List Prices
Production Nbrs
Tune-Up Specs
Torque Values
3-Point Specs

Tractor Games
Just For Kids
Virtual Show
Museum Guide
Memorial Page
Feedback Form

Yesterday's Tractors Facebook Page

Related Sites
Tractor Shed
Ford 8N/9N Club
Today's Tractors
Garden Tractors
Classic Trucks
Kountry Life

Harry Ferguson Tractors Discussion Board

Re: TO20 TE20 Cracked block Epidemic STUDY topic.

[ Expand ] [ View Replies ] [ Add a Reply ] [ Return to Forum ]

Posted by Jerry/MT on September 24, 2012 at 17:19:22 from (

In Reply to: TO20 TE20 Cracked block Epidemic STUDY topic. posted by PackardV8 on September 24, 2012 at 12:57:11:

There are several reasons for the Continentals to have cracking problems. These engines were designed and produced in the post WWII era wen the Allies bombed most of the world"s industrial capacity to dust. There was great pent up demand for manufactured goods in the post war years also. The combination meant that factories were running overtime to produce machinery for domestic use and to support the Marshal Plan for a recovering Europe. Most likely quality control suffered and the casting technoloy of the time was not nearly as good as it is today. Add to that a design that did not take into account this impact of the casting technology and the QC that didn"t look very hard for these things and it"s no wonder there were a lot of marginal blocks produced and shipped.
The result is that these Continental engines are prone to cracking.The likely failure modes were just out and out weak webs between the cylinders in the early failures and fatigue failures in the same section of the older blocks.
The original Z129 on our TO-30 had the tension rod fix on it and it worked well with the fix but was just plum wore out when I replaced it wth a remanufactured block that had a furnace braze repair on it.
The N series blocks were based on the Model T engine and they were well below the state of the art in engine technology even in the "40"s. But they were a proven, robust, thirty year old design that could be made in vast numbers. They were ~ 20% poorer in output at the same displacement than the Continental Z120 mainly due to the superior volumetric efficieny of the Z120"s overhead valve design.

Those are some of my opinions regarding your question.


Add a Reply



Optional Link URL:
Link Title:
Optional Image URL:
Optional Video Title:
Optional Video Embed:

Advanced Posting Options

Email Notification: If you check this box, email will be sent to you whenever someone replies to this message. Your email address must be entered above to receive notification. This notification will be cancelled automatically after 2 weeks.

Advanced Posting Tools
  Upload Photo  Select Gallery Photo  Attach Serial # List 
Return to Post 

Fast Shipping!  Most of our stocked parts ship within 24 hours (M-Th). Expedited shipping available, just call! Most prices for parts and manuals are below our competitors. Compare our super low shipping rates! We have the parts you need to repair your tractor. We are a company you can trust and have generous return policies. Shop Online Today or call our friendly sales staff toll free (800) 853-2651. [ About Us ]

Home  |  Forums

Copyright © 1997-2018 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