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Office Hours for ACMOC

The ACMOC office is closed on Mondays. Our regular office hours are Tuesday through Friday, 9:00 am - 3:00 pm Central Standard or Daylight Time. If you get voicemail during regular business hours, please leave a message and we will get back to you as soon as possible; we may be on the phone with another member or temporarily away from our desks. As always, feel free to contact us at with any questions. Thanks!


When there is a Monday holiday, the ACMOC office will be closed on Tuesday for the staff to observe the holiday.

Caterpillar Inc. Archives Link

Our friend Lee Fosburgh, the Caterpillar archivist, has forwarded a nifty little peek into the archives at Mossville. It is on Facebook, so I apologize for those of you who do not have a FB account. (We will be touring this facility at the ACMOCtoberfest in October.)
Click here to visit the archives

Caterpillar Generations Website

Check out the new Caterpillar Generations website where there is information about ACMOC members. You too can share your story with Caterpillar and possibly be included in this site.

"ACMOC was established to assist and educate its members, and the general public, to appreciate the historic role of CaterpillarĀ® machinery in shaping the world. We promote the collection, preservation, restoration, display and study of products and memorabilia of Caterpillar and its related predecessors. 
-Adopted March 2007

The Antique Caterpillar Machinery Owners Club (ACMOC) was founded in 1991 by a small group of enthusiasts who all shared a similar passion, the legacy of antique Caterpillar machinery. At the time, they had no idea that their club would one day grow to have thousands of members all around the world.

Now based in Peoria, Illinois, ACMOC's mission is to assist and educate its members, and the general public, to appreciate the historic role of Caterpillar machinery in shaping the world. ACMOC promotes the collection, preservation, restoration, display, and study of products and memorabilia of Caterpillar and its related predecessors.

Whether you own antique Caterpillar machinery, or simply have an interest in the history behind it, ACMOC offers something for everyone. Through our full-color magazine, shows, local chapters, and bulletin board, members enjoy the camaraderie of shared interests.

Club News


IMPORTANT INFORMATION:  ACMOC dues increased on January 1, 2019. The new rates will be in effect through November 30, 2019.

 Please note that the ACMOC Board of Directors resolved that membership dues will increase annually on December 1st of each year beginning in 2019. More information about the planned dues increases for the next few years is in ACMOC Magazine issue 141 (September/October, 2018). 


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