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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!


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.
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

2019 ACMOC Meet & Greet Member Event Whitefish, MT June 8, 2019

We hope you can join us for this one-day Member Event Meet & Greet at Snow Ghost Ranch in Whitefish, Montana. ACMOC Member Jim Coles has graciously offered to host this event at his home. Jim has a collection of 35 to 40 very nice machines and has excellent facilities to accommodate this event. Folks are encouraged to bring a machine to show as well.  

This one-day event will include a catered lunch followed by a presentation by Jim on the Evolution of Engines.

Bring your friends and family….this is a great opportunity to introduce people to ACMOC!

If you have a machine you'd like to bring, please feel free to bring it to the event.  We'd love to see it!

The Whitefish area is a most beautiful part of the country with lots to see and do and is a very popular vacation destination. As a result, lodging in the area does fill quickly so it is strongly recommended that you make your lodging reservations as soon as possible. Primitive RV camping will be available on the ranch for this event.

The cost per person for this event is $35. 

 Tickets are available online under “Event Tickets” or by calling the ACMOC office.

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© 2019 Caterpillar © 2019 ACMOC | ACMOC is a licensee of Caterpillar Inc. | Some images courtesy of Caterpillar Inc. Corporate Archives
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