Founded in 1991, the Antique Caterpillar Machinery Owners Club (ACMOC), by a small group of enthusiasts sharing a similar passion, the legacy of antique Caterpillar ® machinery. To date, the club is represented worldwide by thousands of members.

Chapter 8 officially formed in 2003 by a group of ACMOC members in New Jersey and has grown to include members from all over the northeast United States.

Membership to ACMOC International is a prerequisite to having membership with Chaper 8.