Originally Posted by AquaMan
According to my calculations, your trailer weighs 13,911 with a pin weight of 2425.
Drive axle loaded(6437)- drive axle dry(4012) = 2425 pin weight + trailer axle weight(11,486) = 13,911. 149 lbs under GVWR.
The problem you are having is in the braking system, not the size of axle. (I still agree they should have 7k axles for the size of trailer and lack of CCC) I have 6k axles on my 2012 and they will lock up at anything over 7.5 on my GMC integrated controller.
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dont forget the difference in the steering axle 60KG or 132LBS
my numbers are correct may differ a fwe pounds as i am converting KG to pounds every time the trailer is 3LBS overweight pretty well empty
as stated above shoes are all in good shape
all 4 magnets are in spec for amperage draw about (3.5 each tested with a FLUKE 87 with an AMP ring on the harness of the magnet)
were adjusted jacked up spinning the tire just until a slight drag was felt
drums are all in good shape
i am not a newbie mechanic i have 22 years in heavy equipment there is nowhere else to look for an issue but the axles themselves
by the way total weight of the trailer was with it on the scales by itself