indicates unit is on the Roster of Existing Baldwin Diesels- American Steel & Wire
- AT&SF
- Calumet & Hecla
- Central Soya
- Chicago Burlington & Quincy
- Chicago Great Western
- Chicago & North Western
- Chicago St. Paul Minneapolis & Omaha
- Copper Range
- Detroit Terminal
- Eastern Farmers Coop
- EJ&E
- Erie Mining Company
- Escanaba & Lake Superior
- Frisco
- Great Northern
- Indian Hill & Iron Range
- Indiana & Ohio
- LaSalle & Bureau County
- Litchfield & Madison
- Michigan Northern
- Milwaukee Road
- Minneapolis, Northfield & Southern
- Minnesota Commercial
- Missouri-Kansas-Texas
- Missouri Pacific
- Nickel Plate Road
- Northern Pacific
- Oliver Iron Mines
- Peabody Coal
- SOO
- TRRA
- U.S. Steel - Duluth Works
- U.S. Steel - South Works
- Rail to Water Corp.
- Wabash
- Whitewater Valley
- Wyandotte Terminal
- Youngstown Sheet & Tube
