Drain holes in the clutch housings of many of these old tractors have a cotter pin in them that jiggles around during tractor operation and thereby keeps the hole open.
In that situation, a engine oil leak at the engine's rear crankshaft seal or transmission oil leaking forward into the clutch housing will find it's way down to the drain hole and "mark" the tractor's territory.
Today, we expect everything to be clean and sanitary, but "back in the day" nobody freaked out about a few drips of oil on the ground/floor every now and then.
NOT sure what you are looking at the has a cotter key/pin in a drain PLUG, although I have seem various machinery with a fill/vent plug with a cotter key through between flats to keep the vent hole open, just like the previously mentioned keys in drain holes.
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: 1964 JD 2010 Dsl - Part 2 - by Jim Nielsen. Despite having to disassemble the majority of my John Deere 2010's diesel engine, I was still hopeful I could leave the engine-complete with crankshaft and camshaft-in the tractor. This would make the whole engine rebuild job much easier-and much less expensive! I soon found however, that the #4 conrod bearing had disintegrated, taking with it chunks of the crankshaft journal. As a resul
... [Read Article]
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.
