You can follow this guide and purchase a cost-effective lowboy/low bed trailer from China. Lowbed trailers have different capacities, such as 20 T/tons, 30 T/tons, 50 T/tons, 70 T/tons, 80 T/tons and 100 T/tons, 120 T/tons, 150 T/tons. Each type use different number of axles from 2, 3, 4 axles to 7, 8 axles.