As found on service sheet 419, for the King Class R3331.
X6476 Hornby Spare Tender Chassis for Fowler Class 2P 4-4-0 R3028 R3209
X7023 Hornby Spare Tender Chassis Bottom For King Class R3330 R3331 R3332
Hornby X6643 Tender Chassis Bottom Underframe Buffers Class 49xx 4900 Hall R3170
