I have been researching several custom trailer manufacturers and found that the standard weight rating for an axle is 3,500 lbs. (tinyhousebuild.com)
Recognizing that many trailer manufacturers are small businesses, the program includes provisions that reduce burden such as a one - year delay in initial standards for small businesses and simplified certification requirements. (transportation.gov)
Have nearly finalised plans and looking around for trailer manufacturer who we can work with. (livingbiginatinyhouse.com)