Built in 1947 by American Locomotive Company. This is a 1500 horse power road-switcher with 6 wheel trucks for operation on light rail. Some units of this type are equipped with steam boilers for heating and cooling passenger cars. They can be operated in multiple for freight or passenger service.

Built in 1949 by Electro-Motive Division, General Motors Corporation. This is a 4-unit freight locomotive. Each unit is rated at 1500 horse power. It is equipped with dynamic brakes to control train speed on descending grades.

Tractive effort

at 25% adhesion factor