|The Dark Green Tank Engine|
- Gauge: 4 ft 8 1⁄2 in (1,435 mm)
The Dark Green Tank Engine is a saddletank engine who resembles Percy. He only appeared in the Railway Series pop-up book, James the Red Engine and the Troublesome Trucks.
After shunting James' trucks, he teased the red engine about the incident when James needed bootlaces to mend a hole in his coaches. It is unknown what happened to the engine afterwards.
The Dark Green Tank Engine is painted dark green with yellow lining.
James with the Saddletank Engine