First introduced in 1935, the Karrier Cob was available with a number of trailer options and in a variety of liveries, it was also as part of a set that included four or five trailers.. Production stopped in 1941 but began again after the war. The original price was three shillings and one penny (16p).

No. 33a Mechanical Horse
No. 33d Box Van Trailer

No. 33r Railway Mechanical Horse and Box Van Trailer

No. 33 Mechanical Horse and Five Assorted Trailers Gift Set.

No. 33 Mechanical Horse and Four Assorted Trailers Gift Set.

No. 33w – Mechanical Horse and Open Trailer.

No. 415 – Mechanical Horse and Open Trailer.

Notes:

There are two versions of the Mechanical Horse Cab (No. 33a) to be found: early castings have a short step (2.5mm0 beyond the trailer slot, whilst later ones have a longer (9.5mm) step. 
The Flatbed Trailer (33b) and Dropside Trailer (33c) were both available in the following colours: Red, Green, Blue and Yellow.
The Box Van Trailer (33d) was available in four liveries: Green, Green with ‘Meccano Engineering for Boys’ decal, Green with ‘Hornby Trains British and Guaranteed’ decal and Blue with ‘Hornby Trains British and Guaranteed’ decal.
The Dust Wagon Trailer (33e) was a tinplate insert supplied with a Dropside Trailer (33c) and was available in three liveries: Green insert (usually with a grey trailer), Light Blue insert (usually supplied with a yellow trailer) and Yellow insert (usually supplied with a blue trailer).
The Petrol Tank Trailer (33f) was a tinplate tank supplied with a Flatbed Trailer (33b) and was available in four liveries: Red Tank with Green Trailer, Green Tank with red Trailer, Red Tank with ‘Esso’ decal with Green Trailer and Green Tank with ‘Wakefield Castrol Motor Oil’ decal with Red Trailer.

Photos in this gallery were taken by Mr Chris Took © (Model Secretary)