Welcome! Please use the navigational links on your left to explore our website.

Company Logo Shop Now
   Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver
 
Marketplace
Classified Ads
Photo Ads
Tractor Parts

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

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

Research & Info
Articles
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
Glossary

Miscellaneous
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
  
Discussion Forum
:

Numerical transmission and final drive gear ratios for WC?

Welcome Guest, Log in or Register
Author 
Rick Z

03-23-2002 20:07:05




Report to Moderator

I am wondering how much difference a change of tire size would make on a 1947 WC. It seems bit fast geared and I have to slip clutch alot especially in close quarters.

To do the math I need to find the numerical gear ratios for the tranny gears and for final drive. One search found suggestion that final drive is 4:1. Is this correct? Also what is modern equivalent size of original tires that originally came on this tractor?

[Log in to Reply]   [No Email]
knut

03-24-2002 12:06:15




Report to Moderator
 Re: numerical transmission and final drive gear ratios for WC? in reply to Rick Z, 03-23-2002 20:07:05  
Nebraska test #304 for WC Allis-Chalmers
11-28 Pnem. 1st=2.60 2nd=3.78 3rd=5.02 4th=9.62 40' Steel 1st=2.64 2nd=3.84 3rd=5.10 4th=9.77
Engine201 cu in. at 1300 RPM,PTO 534RPM



[Log in to Reply]  [No Email]
Ken Foland

03-23-2002 20:28:38




Report to Moderator
 Re: numerical transmission and final drive gear ratios for WC? in reply to Rick Z, 03-23-2002 20:07:05  
WC numbers for total drive ratio are.
First 67.6
Second 46.5
Third 35.
Fourth 18
Standard tires were 12.4 x 28



[Log in to Reply]  [No Email]
steve

03-24-2002 05:57:26




Report to Moderator
 Re: Re: numerical transmission and final drive gear ratios for WC? in reply to Ken Foland, 03-23-2002 20:28:38  
you only need the gear ratio if you want the exact speed in MPH. figuring the original speed, compared to new speed with smaller tires, you will see that the gear ratio and final drive numbers dont change. the only number that changes is the tire diameter, so the difference is speed it the ratio of the old diameter to the new. If the tire is 10% smaller diameter, then you slow down 10% in top speed.

[Log in to Reply]  [No Email]
Rick Z

03-24-2002 06:52:40




Report to Moderator
 Re: Re: Re: numerical transmission and final drive gear ratios for WC? in reply to steve, 03-24-2002 05:57:26  
Thanks Ken. Steve, I wanted numerical ratios as its hard to figure 10% of "Gee, that feels a little fast". 10% of 3mph (for example) is easy to figure. I dont have original speed in mph. AC left speedometer off my WC...;-)). I dont have a cops radar gun to see what actual speeds are either. However if I know ratios, know engine rpm, then I can measure circuference of tire and figure speed pretty darn close and how much change in speed that a change in circumference actually amounts to.

[Log in to Reply]  [No Email]
Ken Foland

03-23-2002 20:27:58




Report to Moderator
 Re: numerical transmission and final drive gear ratios for WC? in reply to Rick Z, 03-23-2002 20:07:05  
WC numbers for total drive ratio are.
First 67.6
Second 46.5
Third 35.
Fourth 18
Standard tires were 12.4 x 28



[Log in to Reply]  [No Email]
JOE WASSON

03-24-2002 08:14:42




Report to Moderator
 Re: Re: numerical transmission and final drive gear ratios for WC? in reply to Ken Foland, 03-23-2002 20:27:58  
ACCORDING TO MY STYLED W-C OWNERS MANUAL THE ROAD SPEED IN GEARS ARE AS FOLLOWS...1ST GEAR/2.5MPH.. 2ND GEAR/3.5MPH...3RD GEAR/4.75MPH...4THGEAR/9MPH,THIS IS WITH 11-28 TIRES.



[Log in to Reply]  [No Email]
[Options]  [Printer Friendly]  [Posting Help]  [Return to Forum]   [Log in to Reply]

Hop to:


TRACTOR PARTS TRACTOR MANUALS
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 ]

Home  |  Forums


Copyright © 1997-2020 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

Website Accessibility Policy