There are two types of branch line coaches on the North Western Railway.
There were a number of orange four-wheeled coaches used on secondary and branch line services. James once bumped the coaches so hard, that a passengers' bootlace had to be obtained to mend the brake pipe.
- In the first season, Annie and Clarabel were often used to represent them during a speaking role.
- In the annual story, Pantomime Pranks, one of the orange branch line coaches was painted green. In the magazine story, Rain or Shine, one of the orange branch line coaches was painted yellow.
There were a number of red four-wheeled coaches used on secondary and branch line services, but are also used by the smaller engines on the Main Line. The red coaches are usually pulled by Thomas, James, Stanley, and Duck and Oliver on The Little Western in the television series. Thomas once dereailed with these coaches and crashed into a bush.
The red coaches are based on LBSCR Stroudley four-wheel coaches.
- The Red Coaches are generally used as Thomas' substitute coaches when Annie and Clarabel are away for maintenances or being used by another engine.
- In Hero of the Rails and The Lion of Sodor, one of the red branch line coaches is painted brown. Coaches painted blue, green, yellow, orange, black, and white were featured in a game on the Official Website.
- Motor Road and Rail (red coaches; discontinued)
- TrackMaster (red coaches; discontinued)
- Bachmann (red coaches; coming soon)