MC, you raise a VERY interesing point.
The fittment of this tub (which happens to be military in origin - Commd. Recon) is VERY neat!
I struggle to even think of a another vehicle that has had a replacement crossmember fitted so well.
Tommy has seen it and can attest to this. I had entertained the idea that perhapse late in it's army life, for some reason it had been converted back to an original tub. I can also see however that a GB tub is pretty useless for civy use and may have been scrapped and a donor (and by chance CR) tub got fitted.
I can tell you that they did not fit the blackout light back to the rear cross member nor is the NATO plug wired up unless it was cu and re-routed to the civi trailer plug.
You can see however that for some reason, the cargo area bulkhead has been cut out but WAY bigger than the GB tub wheel way.
Tommy, that felt lined tube under the drivers legs is the muzzle end of an SLR bracket. So now I need to get one of those too!