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}}80079 is a BR Standard Class 4 2-6-4T tank engine designed by R.A. Riddles. The Class 4 tank engine was derived from the ex-LMS Fairburn 2-6-4T, and was used mainly on commuter and outer suburban services. They also appeared regularly on Severn Valley line. A total of 155 were built, of which 15 have survived into preservation. While the [[BR 3MT 82045|Standard Class 3 2-6-2T]] was a common sight Severn Valley line in the 1960s, route availability restrictions would have restricted the Class 4 tanks to 25mph, limiting their use. However classmate 80072 was photographed on the line on several occasions during the winter of 1962-63.