Brooks, Oregon

The Founders Chapter in Oregon is a group of Caterpillar collectors and enthusiasts who share information, swap stories, and preserve the history of Caterpillar.

Kansas/Missouri

We come together as ACMOC members to encourage each other on their projects and to form closer friendships for people that enjoy the ownership of antique Cats. But most of all, to have FUN together!

United Kingdom

Chapter 2 was the first ACMOC Chapter established outside of the USA.

North Star Crawlers

We are Caterpillar enthusiasts who love to talk about and work on old equipment. Many new friendships have been developed through our Chapter.

Midwest Smaller Crawlers

Chapter 4 is a very enthusiastic group who are active in the Rock and Dirt Show at the Rock River Thresheree along with their own projects at home.

North California Coast

We are a group of enthusiasts from North California Coast who have a passion for antique Cat equipment and sharing our knowledge with others.

Black Land Dirtmovers

Located in Iowa, our chapter is dedicated to the protecting and celebrating the legacy of Cat equipment.

Collectors of Antique Tractors

We provide a more regional connection for the membership that share an interest in the collection, history, and restoration of Caterpillar, Best and Holt machines.

Rocky Mountain

We share our years of experience with Cat equipment and enjoy operating equipment that many don’t get to be around.

New Zealand

The chapter fulfills a common goal of uniting collectors’ interest on a country wide basis. We have the camaraderie of being in a “loose fitting” group of collectors and enthusiasts.

Classic Crawlers in Paradise

We enjoy working on projects together and going to events like the Upcountry Farm Fair because we always have a lot of tractors on display.

Virginia, North and South Carolina and Eastern Tennessee

Our chapter gives members the opportunity to meet other Caterpillar collectors face-to-face and share in the bond that brings us all together, in creating relationships that last for years.

Inland Northwest Crawlers

We are a group of enthusiasts from Northwest USA who have a passion for antique Cat equipment and sharing our knowledge with others.

Cal-Sierra Tracklayers

You’ll see rare and unique Caterpillar collections when you attend one of our hometown events. Audiences of all ages are welcome to join.

So. Cal. Vintage Crawlers

We are known as Southern California Vintage Crawlers. Our chapter activities and meetings are held at The Antique Gas and Steam Engine Museum in Vista California.

San Jose - Silicon Valley, California

We're diversified from Ag and Construction to CAT related enthusiast. Meetings bring personal contact, knowledge sharing, and getting to visit other members collections.

Queensland Vintage Crawlers and Machinery

We are a group of enthusiasts from Queensland who have a passion for antique Cat equipment and sharing our knowledge with others.

Southeast Australia

Located in Southeast Australia, our chapter is dedicated to the protecting and celebrating the legacy of Cat equipment. We represent Victoria & Tasmania with regular meetings at William Adams headquarters and have a dedicated site at Lake Goldsmith where we hold twice annual events.

Heartland Earthmovers

The Heartland Earthmovers is dedicated to supporting enthusiasts of Cat antique machinery and Caterpillar history in Central Illinois

Old Iron Collectors

We are a group of enthusiasts from Ohio, Pennsylvania, and West Virginia who have a passion for antique Cat equipment and sharing our knowledge with others.

High Desert Crawlers

Located in Southwest USA, our chapter is dedicated to the protecting and celebrating the legacy of Cat equipment.

Holt Collectors Club

We are a group of enthusiasts from Texas and Oklahoma who have a passion for antique Cat equipment and sharing our knowledge with others.

Great Lakes Crawlers

Located in Michigan and Indiana, our chapter is dedicated to the protecting and celebrating the legacy of Cat equipment.

Eastern Montana Clatter Tracks

We are a group of enthusiasts from Eastern Montana who have a passion for antique Cat equipment and sharing our knowledge with others.

Canadian Classic Prairie Crawlers

We are the first Canadian ACMOC Chapter, come up to the great white North for a visit!!

Mid North Coast Vintage Crawlers

Located in Southeast New South Wales, Australia, our chapter is dedicated to the protecting and celebrating the legacy of Cat equipment.

Surf to Summit Tractors

We come together with families and friends at events, socialize, share our caterpillar tractors and stories, and have our meetings over a meal.

Milang Classic Crawler Club

We are a group of enthusiasts from Australia who have a passion for antique Cat equipment and sharing our knowledge with others.