Hornby X6471 Fowler Class 2P Double Drive Gear Fits the Hornby Fowler 2P 4-4-0 model R3028 (loco drive). Used model railways and collections always wanted.
Hornby R2135 Fowler Class 4F / 2P loco instructions & maintenance sheet
Hornby X6469 Fowler Class 2P / 4F Motor & Worm Gear
Hornby BR Fowler Class 4P Steam Locomotive