Heidi II (7.25 Gauge)

Heidi II is a 7¼" narrow gauge 0-4-2 tender locomotive, a popular first locomotive, Heidi II is also a common club loco throughout Australia. Heidi II was designed by Keith Watson of WATO loco works, it has 2" bore cylinders, 6.75" diameter driving wheels, and a ride-in style 4 wheel tender.