Free US shipping on orders over $200. Built and shipped from Blaine, MN.

Our Story

Family-Owned. Locally Built. Since 2014.

What started as a passion project in a small shop has grown into one of the most trusted names in Ford Cummins diesel swaps. We still machine every part ourselves, test everything before it ships, and answer the phone when you call.

Ford F-350 Super Duty with a Cummins conversion built by Cummins Conversion in Blaine, MN

How we got here

From a one-man shop to a 10,000 sq ft facility

  1. 2014

    Started in a single bay

    First Cummins-to-Ford adapter plate machined in a converted home garage in Blaine, MN.

  2. 2017

    100th kit shipped

    Word-of-mouth among the OBS crowd put us on the map. Bought our first dedicated CNC.

  3. 2020

    Moved into 10,000 sq ft

    Expanded to a full facility with multiple CNC machines, welding bays, and assembly stations.

  4. 2024

    500+ builds across the country

    Kits running in trucks from Maine to Texas to California. 99% machined in-house, USA materials.

Why customers choose us

We Don't Resell. We Build.

CNC Precision Machined

Every adapter plate, mount, and bracket is CNC machined in our Blaine, MN facility to exact specifications. No outsourcing.

99% In-House, USA Materials

We source American steel and machine nearly every component ourselves. Built to last, not built to a price.

Pick Up the Phone Support

Talk to the people who actually build the parts. No call centers, no ticket systems. Just real help from real engineers.

Ready to Talk Through Your Build?

Call us or browse the catalog. We'll help you figure out exactly what you need.