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 the few models who doesn't have moving side-rods.
- The Motor Road and Rail system previously spelt Murdoch's name incorrectly as "Murdock".