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15
Ball Weight
When loading your caravan, the ideal ball weight once loaded is approximately 10% of the total weight of the
caravan. Use a ball weight scale to identify the ball weight and load the caravan in a manner that achieves the
desired 10%. Ideally, once loaded the rst time, take the caravan to a weigh bridge, and measure the total weight
loaded including the weight on the jockey wheel. When the total weight is known, adjust the load locations to meet
the desired 10%
Effects of Weight Distribution
The distribution of weight in a caravan can inuence the handling and performance of the van. Overloading
the front or rear may cause adverse handling and sway. Additionally, overloading the front or back can induce a
pendulum effect that can cause dangerous sway and cause an accident.
Tyre Pressures
Tyre pressures have a large effect on the handling of your caravan. Tyres that are under the recommended pressure
for the caravans’ actual weight can cause a dangerous sway. It is important to follow the correct pressure guide.
The guide below indicates pressure for the ATM which includes ball weight of 10%. Pressures are cold ination
applicable to the standard Goodride 265/75R16 tyres tted.
Actual Weight
Pressure PSI
Single Axle
Pressure Kpa
Single Axle
2600kg 30psi 208Kpa
2700kg 31psi 216Kpa
2800kg 33psi 224Kpa
2900kg 34psi 232Kpa
3000kg 35psi 240Kpa
3100kg 36psi 248Kpa
3200kg 37psi 256Kpa
3300kg 39psi 264Kpa
3400kg 39psi 272Kpa
3500kg 41psi 280Kpa
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