Posted by jdemaris on November 08, 2010 at 07:19:55 from (67.142.130.37):
In Reply to: apples and oranges posted by buickanddeere on November 08, 2010 at 04:03:19:
One problem with gas engines in farm tractors is they need low compression ratios since many if not most farmers used cheap, low octane fuel.
Oliver was one of the few that took risks by offering a high compression gas engine in a farm tractor. That tractor still holds the world record for gas-engine efficiency in a farm tractor. It beats many diesels. In fact, it beat 57 diesel farm tractors tested at Nebraska.
Oliver 1800, Nebraska Test # 766 in 1960 (record holder). 265 c.i. engine with 3.75" bore by 4" stroke. 8.5 to 1 compression ratio and 92 octane gasoline. Tested making 74 horsepower with a fuel efficiency rating of 13.1 horsepower hours per gallon.
Oliver 1850, Nebraska Test # 874 in 1964. 265 c.i. engine with 3.75" bore by 4" stroke. 8.5 to 1 compression ratio and tested with 92 octane gasoline. Tested making 66.7 horsepower with a fuel efficiency rating of 11.7 horsepower hours per gallon.
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. [ About Us ]
Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
... [Read Article]
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.
