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1. Lightwright 6 how do i get load calculation upgrade#
2. Lightwright 6 how do i get load calculation series#

So then how do you get axle loads and where do they come from? True Axle loads are stated from the 1st stage manufacturer of the differential housing for example Toyota’s rating on their rear differential housing is 2300kg and Jmacx’s rating on their housings are stated at 2700kg’s-3000kg’s these two manufactures have stated their axle load ratings and should not be re-rated by anyone else. The higher you go with the GVM you need the correct rear axle load capacity to be able to practically load your vehicle. Why are axle loads important? stated axle loads are very important because these determine on where the weight can actually be loaded on a vehicle, as an exaggerated example if you vehicle has a GVM of 4000kg and the rear axle load is only stated at 2300kgs this means you would only be able to load the rear of your vehicle up to 2300kgs and the rest of the weight will have to go on your front axles of 1700kg now this is near impossible and impractical to do unless you have a tray mounted to your bonnet, so you can see how your axle loads play a big roll with your GVM.

To give you a example of this if your vehicle has a GVM of 4000kg and a BTC of 3500kg but the GCM of the vehicle is only stated at 6800 this means when you load your vehicle to 4000kg you can now only tow around 2800kgs

Lightwright 6 how do i get load calculation upgrade#

So when it comes to choosing a GVM upgrade for your vehicle does it tick those four boxes? If not you have to ask yourself is it a true and usable GVM upgrade or are you just wasting your money? BTCīTC stands for brake tow capacity, now this one is heavily affected by the GCM on your vehicle and determines how much the vehicle can actually tow legally. GVM doesn’t actually mean anything if you have small axle load capacity as this is the limiting factor of what can be loaded in your vehicle Can the stated axle loads of your gvm allow practical loading of your vehicle. Will the vehicles drive line be capable and reliable with the extra load? whats the point of being able to carry all that weight but your drive line isn’t up to the job such as the clutch,gearbox,engine,differential. Are the factory brakes up to the job with the extra weight? can they stop your vehicle in the required distance with all the extra weight? can the springs carry the extra load and are they rated correctly for the application? The same for the shocks not only can they control the extra load, but is the dampening up to the job? when all that extra weight is being thrown from side to side or up and down is your suspension up to the task?

Now when it comes to purchasing a GVM upgrade not all kits are the same, there are 4 key areas a GVM upgrade needs to address.

Lightwright 6 how do i get load calculation series#

GVM stands for Gross Vehicle Mass, this is what your vehicles maximum weight is aloud to be loaded to and is also heavily effected by axle load capacity, so on the standard 79 series land cruiser your complete vehicle can only weigh a maximum of 3300kgs and if you use our calculator below you will see how easy it is to load your vehicle up to maximum GVM quickly.