 Initially they were based at Tuxford, but by 1921, four of them had been sent to the LD&ECR's other depot at Langwith Junction.They performed well on the coal trains for which they had been designed; a typical load from Langwith Junction to Grimsby was 45 coal wagons and a brake van, totalling .After the GCR takeover, more were required; and the opportunity was taken to update the design.