I am unsure of the R series number, but this is for a mid 1990's tender drive locomotive. TENDER TOP ONLY. OO GAUGE for 2 Rail Operation. See pictures for details.
Crownline (Hornby Tender-Drive Conversion) GWR Churchward 47xx ‘4706’ - BR Green
HORNBY TENDER DRIVE TRAIN LOCOMOTIVE RINGFIELD MOTOR UPGRADE KIT MODEL RAILWAY
HORNBY TENDER DRIVE for BR LMS 4-6-2 DUCHESS / PRINCESS CLASS LOCOMOTIVE 4oj