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serial number tags

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William Eccles - Jardine

11-26-2012 14:43:09

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After looking over the archives on serial number tags it has left me with some question(s). How does the Si number on the tag, which is usually found in around the seat on a farmall, relate to the numbers found on the block, the prop shaft bell housing, and the rear end? Is there a co ordination between the numbers four sets of numbers?, or have I misunderstood what some one was talking about? My curiosity has the better of me in this issue. // I know in autos the numbering system is interlinked& placed in various places, that is why and how the chop artists who steel autos are caught.// I hope that some one can enlighten me, and demonstrate the interlinking on a made up set of serial numbers.
Thank you Wm.

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11-27-2012 07:58:55

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 Re: serial number tags in reply to William Eccles - Jardine, 11-26-2012 14:43:09  
I have been restoreing Farmall & I.H. tractors plus other types of tractors for at least ten yeans now. I have found out with International Harvester Caompany had made a system of Casting dates and numbers.I am refering to a book International Harvester Tractors Data Book on page 10 &11. Undarstandiing the numbers. On any givin tractor there ar at least four sets of numbers and identificatioon codes are an importance to the collector. 1. chassis serail number, 2.engine serail number, numbers, 4.foundry casting date codes. In additional there may be other numbers found throught out the tractor such as supplier's parts numbers (for parts that where bought out of the I.H. factory) Numbers on parts indicating size and location.Engine and chassis numbers are not most fimilair to collectors. The chassie number is found on the metal plate. Parts numbers: Look for the casting date num,bers if you must this will tell you what year they where made and when. such as:YOu will find it starts out with a Letter (A41502ZA ) The first letter is a prefix the numbers are a part number, the last letters are your suffix. If you are missing a metal tag of serail number this isgoing to be hard to find this imformation. The serail numbers on tractor where not kept like cars. They where only made and put on the tractor from factory but never loged in to like a car. I should know this because I use to rrestore old cars and yes you are right about all the numbers. When I restore tractors I put in a number on the tractor in a spot where they can get to if the tractor is stolen. I call it my insurance number for those who own it and I tell them where it is located on there tractor. So it can be recovered. This is my ideal for many years and it does help in recovering the tractor. Remember there is no long on any of these munbers that say's this tractor is yours so put a number in a spot where you can find it that means that this is yours. I hoped I helped you out need any more please email me at I will try to answer your questions Brent

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