withdrawals started in 1905: 118 were scrapped in the years up to 1923 grouping, leaving 90 to be passed to the london, midland and scottish railway. they were allocated power class 1p, and assigned the numbers 6515–6600 and 6758–6761; although only 37 survived long enough to receive them: withdrawals restarted in 1924, and when the last was withdrawn in june 1936, the class became extinct. none were preserved.