Your truck has a 3.41 to 1 axle ratio and spins at 2950 RPM at 65 MPH with the stock tires. If you had the five speed trans it would be spinning 2250 RPM at 65 MPH. Five speed versions use a different axle ratio along with the overdrive. Axles are 3.7 instead of 3.4.
Putting those Tracker tires on there increases the circumference of the tires by 7" and ground height by over an 1". It will spin 2690 RPM at 65 MPH instead of 2950 RPM. Wind resistance and ground friction is increased, but not by a great amount.
In the end, you'll probably lose a little fuel mileage, not gain - unless all your driving is on flat roads. I suspect your truck has just barely enough power as it is.
My 85 Isuzu truck is 4WD with a 2.2 diesel, and is geared the same as a gas version with a four speed. But, I've got low range to use since mine is 4WD. I know that my truck would be useless with bigger tires in normal (high) range since it's gear to fast in 1st gear already.
By the way, I wish those Trackers had smaller wheels; they'd do much better in ice and snow that way. I've got six 4WD Trackers, and they all skid around like roller skates with those 15" tires.
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 - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for £200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
... [Read Article]
Latest Ad:
1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
[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.
