I have an IH parts index fiche set from around '85. There are many, many part numbers listed as "discontinued" in this parts index. Probably around 10% are listed as discontinued. There are parts that were available at the time that weren't listed at all in the parts index. There were parts available that fit earlier equipment and that equipment wasn't referenced when later equipment that used the same part was.
Many superceded numbers are listed in this master parts index. As nosih says they can (and should) also be checked with a paper part substitution/supercedence catalog or that set of fiche cards. Substitution catalogs also show where certain parts should be ordered directly from the manufacturer, from another supplier, or to "check Depot, then DPNI" or something similar for many obsolete parts no longer supplied from IH.
For explanations on why parts were superceded/obsoleted/discontinued/etc., service update sheets were sent out and were usually kept in a binder(s) seperated by machine types by the dealer. Sometimes dealers had to modify parts themselves, and instructions for doing so were usually in these updates. Sometimes discontinued parts were brought back into production and these updates contain this info.
I'm fairly sure what machine a bearing is used on is listed in the master parts index. Explanation of dimensions/sizing and specs. for each bearing, specific suppliers and acceptable/potential alternatives are listed in the -BL books. Dealers had some literature available to them at one time or another to convert Delco Remy and some equipment manufacturers' bearing numbers to IH numbers for acceptable substitution. Some were little flip books that were probably meant to be given to customers. These conversions were not included in any -BL bearing catalog I've looked at, other than where typed pages or penciled-in numbers were added by the dealer to the book. Seals had a seperate book similar to the bearing book as well.
Alot of the more common hardware is not in the master parts index. There is a seperate catalog for bolts, nuts, rivets, pins, etc.. Most specialty hardware or machine-specific hardware is in the index. The substitution catalog is handy for hardware, as hardware part numbers seem to be changed often.
Items like tire repair items, tools/tool sets, lubricants, paint, battery acid, pipe fittings, fibreglass repair kits, o-ring kits, battery chargers, oil cans, light bulbs, fence chargers, bulk wiring, etc. were listed in parts merchandiser catalogs or catalogs covering consumer products. I don't recall if any/all of these are in the master parts index or not.
Some part numbers, like for parts bundles available at the time of purchase of a new machine, can be hard to track down unless you have the original dealer sales material. If the bundle wasn't available as a parts order, it probably isn't in the master parts index.
Reference material for equipment and add-on attachments IH sold from other manufacturers can be tough to find. Wagner, Gandy, Pippin, Drott, Hesston, Danco, and others used non-IH parts numbering schemes, or sometimes conversion lists were needed for getting an IH part number for another company's part. Sometimes there was an IH parts catalog, sometimes the supplier's reference materials were used, or the supplier's materials were tweaked slightly by IH.
Parts and operators manual part numbers available can be found in a seperate catalog. They came from a publication/printing department seperate from parts. There probably was a seperate catalog for service manuals, too. I've seen a specialty tool catalog, but that may have actually been a service manual. There were instructional pamphlets that came with some filters, carb kits, magneto coils, and more, but I don't know if/where a reference to all of those can be found.
Price lists were in another catalog/fiche. Some show dealer cost and suggested retail, some show suggested retail and a multiplier code to get dealer cost. With many price lists you can also see if a part was non-returnable, soon to be non-returnable, what quantities of the part that had to be purchased when ordered, core charges, and a few other things. Some show discounted pricing when purchasing larger quantities of an item. Many early machinery parts catalogs from the 20's and earlier had prices listed right next to the parts numbers.
"Special" parts catalogs were available for dealers to push/discount certain parts occasionally. Usually tillage wear parts, cutterbar parts, some hardware, and other fast-moving parts were listed. These are great quick-references for popular parts that were meant to be replaced often. Parts merchandisers are also great quick-reference guides, but sometimes for different items. "Special" pricing catalogs were issued, too.
Kind of pointless, but I always wondered if anyone had a list of packaging part numbers. Every cardboard box IH shipped parts in had a part number. The box part number is even referenced in many package contents lists, and in draftings included with parts.
AG
This post was edited by AG in IN at 08:16:29 10/04/14 4 times.
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