Pity it has an error.....The GCM is the rating provided by the manufacturer of the tow vehicle. The maximum laden mass of a motor vehicle plus the maximum laden weight of an attached trailer is not permitted to exceed the GCM rating
It should read.....
The GCM is the rating provided by the manufacturer of the tow vehicle. The ACTUAL laden mass of a motor vehicle plus the ACTUAL laden weight of an attached trailer is not permitted to exceed the GCM rating.
Cheers,
Peter
PeterD said
10:48 PM May 24, 2018
Neither is correct. The following is a copy from Vehicle Standard (Australian Design Rule Definitions and Vehicle Categories) 2005
GROSS COMBINATION MASS - value specified for the vehicle by the Manufacturer as being the maximum of the sum of the Gross Vehicle Mass of the drawing vehicle plus the sum of the Axle Loads of any vehicle capable of being drawn as a trailer.
There is also another not very well known limit, viz
RATED TOWING CAPACITY - the lesser of either; - the rating given to the towing equipment fitted to the motor vehicle or, - the difference between Gross Combination Mass and Gross Vehicle Mass.
Peter_n_Margaret said
09:22 AM May 25, 2018
Peter D is correct in the definition, but ... "The ACTUAL laden mass of a motor vehicle plus the ACTUAL laden weight of an attached trailer is not permitted to exceed the GCM rating"......... is still correct....
But I suggest that this is a little confusing....
RATED TOWING CAPACITY - the lesser of either; - the rating given to the towing equipment fitted to the motor vehicle or, - the difference between Gross Combination Mass and Gross Vehicle Mass.
Again it can depend on the actual loaded weight of the motor vehicle.
As an example, our OKA has a GVM of 6.6T and a GCM of 9T. The towbar is rated at 3.5T (but higher ratings are available), so by the above definition, the rated towing capacity is 2.4T.
If the vehicle actually weighs 6.6T (GVM) then I can nominally tow a maximum of 2.4T, but if the vehicle actually weighs 5.8T (for example), then I can tow 3.2T, both without exceeding either GVM, GCM or the towbar rating.
Cheers, Peter
-- Edited by Peter_n_Margaret on Friday 25th of May 2018 09:25:37 AM
montie said
12:17 PM May 25, 2018
The measured weight of your van/tug combination cannot legally exceed the lesser of the following.
1) The tug manufacturer's rating as published
2) Tug GVM plus Van GTM. (GVM plus ATM minus ball weight).
The Rated Towing Capacity is set by the tug manufacturer and the measured weight of the loaded van unhitched must not legally exceed that rating.
Not sure if this has been posted before.
Pity it has an error.....
It should read.....
The GCM is the rating provided by the manufacturer of the tow vehicle. The ACTUAL laden mass of a motor vehicle plus the ACTUAL laden weight of an attached trailer is not permitted to exceed the GCM rating.
Cheers,
Peter
Neither is correct. The following is a copy from Vehicle Standard (Australian Design Rule Definitions and Vehicle Categories) 2005
There is also another not very well known limit, viz
Peter D is correct in the definition, but ...
"The ACTUAL laden mass of a motor vehicle plus the ACTUAL laden weight of an attached trailer is not permitted to exceed the GCM rating"......... is still correct....
But I suggest that this is a little confusing....
RATED TOWING CAPACITY - the lesser of either;
- the rating given to the towing equipment fitted to the motor vehicle or,
- the difference between Gross Combination Mass and Gross Vehicle Mass.
Again it can depend on the actual loaded weight of the motor vehicle.
As an example, our OKA has a GVM of 6.6T and a GCM of 9T. The towbar is rated at 3.5T (but higher ratings are available), so by the above definition, the rated towing capacity is 2.4T.
If the vehicle actually weighs 6.6T (GVM) then I can nominally tow a maximum of 2.4T, but if the vehicle actually weighs 5.8T (for example), then I can tow 3.2T, both without exceeding either GVM, GCM or the towbar rating.
Cheers,
Peter
-- Edited by Peter_n_Margaret on Friday 25th of May 2018 09:25:37 AM
1) The tug manufacturer's rating as published
2) Tug GVM plus Van GTM. (GVM plus ATM minus ball weight).
The Rated Towing Capacity is set by the tug manufacturer and the measured weight of the loaded van unhitched must not legally exceed that rating.
It's a 5ver, but you can get the message.