Thanks Eckhart, I've just had a bit more time to have a look at different weights and found the following terms:
1. *gross vehicle weight rating* (also *gross vehicle mass*, *GVWR*, *GVM*) - This appears to be a maximum operating weight specified by the manufacturer (hence a "rating") and includes the vehicle weight, cargo weight and others (driver, passenger, fuel, etc..) 2. *gross combination weight rating* (also *Gross Combination Mass* and *maximum authorised mass*) - Same as the above plus the weight of a trailer. 3. gross weight - taking the literal meaning of both words, I interpret this to mean weight before any deductions. To me this includes all the same components of GVWR, but is an actual measurement, rather than a manufacturers rating). To find this out you would have to drive onto a weighbridge. The question is, do the road signs mean actual weight or "weight rating"? Given that example for the UK it is hard to say for sure. I will see if I can find out. Does Germany's road signs specifically mean manufacturers weight rating? Rob [1] http://en.wikipedia.org/wiki/Gross_vehicle_weight_rating [2] http://en.wikipedia.org/wiki/Gross_combined_weight_rating [3] http://www.answers.com/topic/gross-weight http://en.wikipedia.org/wiki/Truck_scale
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