The model is 34 x 97 x 35mm at HO gauge.
009 Prototype Maintenance/Inspection car for Kato 11-109 motorised chassis - OO9
009 BOBO Diesel Inspection car for Kato 11-105 motorised chassis - OO9
OO9 Type 42 Wickham Inspection car - suitable for trimmed KATO 109 chassis - 009
009 Prototype Maintenance / Inspection car for KATO 103 - OO9
OO Type 42 Wickham Inspection car with static display option