As found on service sheet 469 for R30106 & R30107.
Triang Hornby X2166 Front Bogie Black for 4-4-0 Schools Class Locos
Hornby X13173 Front Bogie Wheels Axles Brake Rods For Princess Coronation Class
Triang Hornby OO Front Bogie Frame & Fixing Screw for Brittania Class 4-6-2 Loco
