The Queensland Railways 6D13½ class locomotive was a class of 0-6-0T steam locomotives operated by the Queensland Railways.

In 1904, the North Ipswich Railway Workshops assembled six 0-6-0T locomotives.

The wheel sets came from B15 class locomotives, and the cylinders were purchased for an aborted project.

Per Queensland Railway's classification system, they were designated the 6D13½ class, 6D representing they were a tank locomotive with six wheels, and the 13½ the cylinder diameter in inches.

[1][2] They were generally used as shunters in Brisbane, but on occasions were used in Toowoomba and Warwick.