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 Allis Chalmers and Simplicity Garden Tractors
 Simple Attachments (Simplicity & AC) Reference
 990213/990286 Dual Wheel Adapter Kits
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B112

USA
4816 Posts

Posted - 03/05/2007 :  18:22:07  Show Profile  Visit B112's Homepage Send B112 a Private Message
This techtip is intended to help collectors make their own or help people fabricate the original B-Series Dual Wheel Kits.

Note: The following Warning, "Dual Wheels must not be used for digging purposes or over rough ground where the load is concentrated on the outer wheels" can be found in the B-Series Tractor and Attachments Service Manual on page Q-7. This point has been reenforced by many collectors either knowing of or experiencing broken hubs or axles. Extremely wide dual wheels are not recommended for the B-Series tractors.

The manual on the 990213 and 990286 dual kits:


Below are some pictures, measurements and notes I made on the Dual Wheel Adapters. These are original adapters, a friend had, I quickly snapped pictures and then he sold them.

Dual adapter height w/adapter studs:


Dual adapter height (alone):


Notes about the dual wheel adapters:


The notes indicate that there were six holes on the side which had threads, with only five of these being threaded. The other side had five 1/2" holes. I was not sure of the thickness of the steel, something between 1/4" and 3/16" of an inch (aka the 1/4" > Y > 3/16"). The key dimension is that these had a space of 6-1/2" from each flange. Otherwise, the pointers showing where the weld was and the width of the flange was 5-1/2". The term "spacers" should be refered as "adapter studs" and these were 1-1/4" long with threads on both sides; including the threads they were 2-3/4" long. Hope this helps anyone looking to make these.

Here's the thread side:


Here's the welded side (note that the weld is raised slightly):


Close up of the adapter stud (circled in blue):


Adapter Studs:




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http://www.jcwhitney.com/autoparts/Product/tf-Browse/s-10101/Pr-p_Product.CATENTRY_ID:2003969/p-2003969/N-111+10201+600003842/c-10101

http://www.jcwhitney.com/autoparts/ItemBrowse/c-10101/s-10101/p-100000376590/mediaCode-ZX/appId-10679246/Pr-p_CATENTRY_ID:10000037659010679246

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=190092220230&ssPageName=MERCOSI_VI_ROSI_PR4_PCN_BIX&refitem=290090938985&itemcount=4&refwidgetloc=closed_view_item&refwidgettype=osi_widget
Highly recommend you visit this link. This vendor makes two size dual wheel adapters. Makes custom sizes. Definitely worth a look and a good price.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=260102134413&ssPageName=MERCOSI_VI_ROSI_PR4_PCN_BIX&refitem=190092220230&itemcount=4&refwidgetloc=closed_view_item&refwidgettype=osi_widget
This link is for another Dual Wheel Adapter fabricator.
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