Murdoch is a large and strong goods engine.
- Murdoch with Troublesome Truck (Plarail, Motor Road and Rail, TrackMaster [HiT Toy Company])
- Murdoch with two half straight track pieces (Motor Road and Rail [US])
- Murdoch is one of a few engines which do not have moving side-rods.
- The Murdoch's name has previously been spelt incorrectly in the Motor Road and Rail range as "Murdock".
- Murdoch also has his motor positioned in his tender, like Emily, Molly, and Hank.