Part 1: The Compressed Air Supply And The Straight Air Brake System
The brakes on the locomotive are operated by compressed air. The function and working of every component in the system is explained in detail by animated diagrams.

Part 2: The Proportional Air Vacuum System
Application of the train's vacuum operated brakes automatically applies the locomotive's air brakes to a controlled degree. The same animated technique describes and explains this system.

16mm & 35mm