[maple_leaf_eh]

That TRUX link has some very interesting reading. A blend of formal ORBATS, practical experience, war stories and technical variations. There is a description of use of 'Loyd' (sic) carriers and a comment on when they were eventually replaced by Universal carriers. If you do a Ctrl > F search to find the words family or families. Some interesting commentary on the social aspects of British regimental classes. Yes, even with the the armoured corps is a class structures.