zBR Standard 2MT 78054 -Era5HOR R3981 Hornby BR, Standard 2MT, 2 6 0, 78054 Era 5 Designed by R. A. Riddles and derived from Ivatt's LMS 2MT 2 6 0 locomotive design, itself a variation of Ivatt's Class 2 2 6 2T, the BR Standard Class 2 was the smallest of the BR standards and featured changes to the LMS design such as smaller cabs so that they could be used across the network where loading gauges were less generous. Darlington works was responsible for building the entire fleet