Differences between Bedford OYC and OYD

[mlombard]

Could anybody please tell me the difference between a Bedford OYC and OYD. With two provisos, I can only use the cab chassis to look for the difference i.e. there is no tray, petrol tanker etc on the chassis, AND I only have an engine number to work off, there is no chassis number I can find (have been told that these were under the step on the drivers side). So I think it comes down to possibilities like extra holes in the chassis at certain points etc will be the only way to tell. Oh yes I'm new to Bedford OY's so any help would be gratefully appreciated.