Two of the Glasgow Standard cars were cut down to produce single deck works cars.
Standard car 814 became works car 23, car 722 became works 40.

Transfers - there is a set of transfers available.

Motor - ME32D10 or equivalent.

Additional parts you may require
GlazeOOstd 10 thou glazing x1
GlazeOOthin 5 thou glazing x1
Wire07 Brass wire 0.7mm x1
PCMDSEAT Double Garden seats x0 seats
PCMSSEAT Single Garden Seat x0 seats