The worst fifty were touched up and returned to traffic with steel fireboxes and painted the original R.O.D.

standard green,[1] they also acquired Swindon fittings, including top feed and brass safety valve casing, and were renumbered 3020–49.

[2] The leading dimensions of the GWR 3000 Class were the same as the GCR Class 8K except that the GWR increased the boiler pressure to 185 psi (1,280 kPa) which increased the tractive effort from 31,327 lbf (139,350 N) to 32,197 lbf (143,220 N).

[3] Three of these had been hired by the GWR between 1919 and 1922: Forty-six of the RODs entered British Railways service in 1948.

In November 2011, Bachmann released a OO gauge ready to run model of the 3000 class.