When tested it was a good runner in both directions. This is loco driven.
Hornby R2549 Class A1/A3 Flying Fox loco instructions & maintenance sheet
Hornby X7808 Class A1 Coupling Rods / Spacers And Screws R3989
Hornby X9332 Class A1 A3 A4 Loco Draincocks / Cylinder Pipes
Hornby X8433 Class A1 / A3 / A4 Ringfield Motor Block Without Magnet