About Screamin’ Seeman Off Road

Screamin’ Seeman Off Road is a truck conversion shop specializing in Chevy, GMC & Cummins truck conversions, engine rebuilds & mechanical repair services.  We also have a metal fabrication & precision machine shop with the abilities to custom-design any hi-performance part or engine component you may need.

We are located in Faribault, MN but we ship our Parts & Products anywhere in the US!

  • Chevy, GMC & Cummins Truck Conversions
  • Light & Heavy Truck Rebuilds & Repair
  • Deisel Tractor Repair
  • Straight Axle Conversions
  • Custom Metal Fabrication
  • Welding – Mild Steel, Aluminum and Stainless
  • Component Design And Engineering
  • CNC Machining

SSOR in the News


truck trend network, swapping a 5.9l cummins into a 1973 to 1991 suburban

Swapping a 5.9L Cummins into A 1973 to 1991 Suburban

Truck Trend Network

We’re going to create a simple truck that exploits the versatility, durability, and efficiency diesels offer. The Doomsday Diesel Suburban will be part getaway car and part urban-assault vehicle. It’ll have all-terrain capability, a 1,000-mile fuel range, and enough room to carry a small squad of survivors.

Read the full article for this Cummins Swap here.


New Products: Diesel Swaps! Everything You’ll Need to Pull Off a Diesel Conversion, Plus a Little Motivation.

Diesel World

The questions we usually have when going to swap a diesel into something that didn’t originally come with one generally start off with matching an engine’s power output to a project’s needs. That’s one of the most fun parts as it’s usually accompanied with a bit of bench racing and dreams of how the project will perform in the end (be it a boat, hot rod, pickup or bar stool racer). After that, question’s trend towards “Will it fit?” or “Is it possible to pull off?”

Read the full article on the Diesel Swap here.