Electric Brake Specialists

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Caravan Weighing

Caravan Weighing - Do you know the weight of your caravan and tow vehicle, are you legal. With our state of the art weighing system we can not only provide you with a print out of your ATM, GTM, GVM and GCM. We can now provide you with a full         IWM (Individual Wheel Mass) for the ultimate payload distribution giving your caravan maximum stability on the road.

TOWBALL MASS

The weight that the caravan places onto the tow vehicle’s towball by the coupling.

 

ATM – AGGREGATE TRAILER MASS

The combined weight (mass) of the caravan when fully loaded and not coupled to the tow vehicle.

(This includes water, gas, clothing etc.)

ATM is specified by the caravan manufacturer.

 

GTM – GROSS TRAILER MASS

The GTM is the weight (mass) of a fully loaded caravan. (This includes water, gas, clothing etc.)

This does not include the towball mass.

 

GVM – GROSS VEHICLE MASS

The GVM is the maximum weight of the vehicle as specified by the manufacturer including bull bar, towbar, fuel, passengers, luggage etc.

 

GCM – GROSS COMBINATION MASS

The GCM is the total weight of the vehicle, caravan and the load (mass) combined.

GCM cannot exceed the vehicle manufacturer’s specifications.

 

IWM – INDIVDUAL WHEEL MASS

IWM is the weight (mass) of each individual wheel of the caravan to achieve maximum on road stability.

Load your caravan evenly to stop sway and suspension damage.


  
 
Caravan and Camping Industries Association of SA
Caravan and Camping Industries Association of SA Dedicated Backstage Powered Electric Brake Specialists