I think even in USA, the metric bolts are starting to get more common than Standard bolts. Worlwide, metric bolts are the norm, USA is only country in the world not using metric.
On equipment without engines like a plow or soemthing like that, having standard is OK because there is no metric bolts.
But as soon as you have a recent tractor or combine, some newer equipments are a nightmare, because they have both metric and standard bolts. For instance, 20 years old combines had metric engines, metric hydraulic components and some purchased component, but standard bolts for the frame: A nightmare
Personally, I like to have one or the other, but not both. The Deere 9R were last to switch to full metric, but I think they are now.
Standard system is complete disaster to do math and calculation and some of the people I talked to had no idea of what they were doing because of it:
Exercice:
In non metric world:
I run a combine with a 30F header at 6MPH, yield average 100Bu/ac, grain bin 400Bu, how many passes can I go before I dump on a quarter section? how many acres/hours.
Someone please post the impossible to do on top of your head math.
Same in metric:
I run a combine with a 9m header at 8km/h, yield average 7t/ha, grain bin 10T, how many passes can I go before I dump on a 800m long field? How many ha/hr?
Answers in metric:
ha / hours = 9mx 8km/hr x 1000m/km / 10000m2/ha
ha / hours = 9mx 8km/hr / 10 = 7.2Ha/hr
Distance to fill:
10t/grain bin /7t/ha= about 1.4ha in a grain bin
1.4hax10000m2/ha /9m = about 1550m to get a grain bin full, so almost able to do 1 full turn in a 800m long field.
Someone please post the impossible to do on top of your head math, required in the standard system.
This post was edited by fdt860 on 11/07/2021 at 03:22 am.
Upload one or more videos to your post. Photo and video filesizes should be less than 8MB. Formats allowed are gif, jpg, png, ogg, mp4, mov, and avi. Be sure to use filenames without spaces or special characters, and filetypes of 3 digits lower case.
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 - Tuning-Up Your Tractor: Secondary Ignition Wires and Distributor - by Curtis Von Fange. In our last episode we spent the entire day checking out the spark plugs. Is that efficency? Actually, it took more time to explain than it really did to do the inspection. At any rate we decided that a compression test was in order so we could verify the internal engine status. That way we wouldn't buy any tune up parts until we were sure that the engine was in reasonable mechanical condition. Our tests showed a fictional compression reading of 85, 80, 82 and 86 psi. That is well within a
... [Read Article]
Latest Ad:
1958 FORD RARE 4x4 801 TRACTOR, ELENCO/FRONT DRIVE, FRONTLOADER AND WEIGHTED REAR WHEELS, FIVE SPEED, LIVE PTO, GAS ENGINE, NEW REAR WHEELS AND TIRES, ENGINE RUNS.
[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.
