Download or read book GB T 31879 2015 Translated English of Chinese Standard GBT 31879 2015 GB T31879 2015 GBT31879 2015 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2019-04-27 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the model, technical requirements, test methods, inspection rules, mark, transportation and storage of the fifth wheel, as well as the accompanying document of the product. This Standard is applicable to the 50# and 90# fifth wheels connected with the traction pin specified in GB/T 4606 and GB/T 4607.