As Jerry/MT has posted correctly, HP has a definition and can be applied across the board to all engines. Yes, indeed a 250 HP Yamaha or 250 HP Chevy can pull the same load at the same speed up the same hills as a 250 HP Cummins. There are differences, the Cummins will certainly give a longer service life and as such would be a better choice for the service you imply.
Since the Yamaha and Chevy would develop 250 HP at a higher RPM, a proper transmission/gearing would be required to demonstrate the ability to pull on par will the Cummins.
There are high speed engines used in heavy load aplications. For example, consider the Honeywell AGT 1500 (google for details) used to power the Abrams M1 Tank. Typically, the specs for this engine are given as 1500 HP, 2750 Ft-Lbs torque at 3000 RPM. However, this is taken after a 10:1 reduction gearbox packaged into the engine. The numbers ahead of the gearbox would be; 1500 HP, 275 Ft-Lbs at 30,000 RPM. HP is HP however, gearing must used to match the engine/power to the application.
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 - Field Modifications (Sins of the Farmer) - by Staff. Picture a new Chevrolet driving down the street without it's grill, right fender and trunk lid. Imagine a crude hole made in the hood to accommodate a new taller air cleaner, the fender wells cut away to make way for larger tires, and half of a sliding glass door used to replace the windshield. Top that off with an old set of '36 Ford headlight shells bolted to the hood. Pretty unlikely for a car... but for a tractor, this is pretty normal. It seems that more often than not they a
... [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.