They are based on airport baggage tractors from the 1960s.
There are two baggage transporters, one is painted all green while the other is painted all blue.
- Series 10 - Thomas and the Jet Plane, Toby's New Shed and Sticky Toffee Thomas
- Series 11 - Henry's Lucky Day, Toby's Triumph and Percy and the Left Luggage
- Series 12 - Excellent Emily
- 2005 - Calling All Engines!