Engines make the most horse power when they are turning as fast as they can fill their cylinders. This means that (in most cases, faster RPM will provide more HP up to the point where the valve train, and intake system (including manifolds, carb, and ports) are drawing a partial vacuum) As the engine is pulled down in speed by load, it approaches a different plateau, the torque peak. Torque is what keeps pulling even at lower engine speeds, and it is where the cylinder filling, and combustion efficiency and the mechanics of the connecting rod geometry provide the greatest force on the crank. Ballancing the power such that the tires slip least at the speeds being pulled, the type of sled, and other factors, make the issue one of practice. Setting the RPM and leaving it there is usually like a snap shot film camera, if it isn't sunny, it is a bad exposure. Play with it. Tractors with 5000hp are different than those with less than 100. JimN
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 - Chores - by Frank Young. The ceaseless passing of time! It is at once our friend and our enemy. It measures our progress and it makes us old. Like most features of our life, few things are all good or all bad, and most such judgments depend on our own perspective or viewpoint. In our particular hobby, we enjoy the nostalgic return to the days of our youth as we recreate many of the scenes that took place on the family farm that served as the stage for the first few acts of the play that is our live
... [Read Article]
Latest Ad:
Sell 1958 Hi-Altitude Massey Fergerson tractor, original condition. three point hitch pto engine, Runs well, photos available upon request
[More Ads]
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.