Like their lower-powered BRCW sisters -LRB- BR Classes NUMBER@1 and NUMBER@2 -RRB- , their bodywork and cab ends were of all steel construction .

Like their lower-powered BRCW sisters -LRB- BR classes NUMBER@1 and NUMBER@2 -RRB- their bodywork and cab ends were of all steel construction The original -LRB- NUMBER@3 -RRB- number sequence was NUMBER@4 -- NUMBER@5 .
