This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of direct-drive walking tractors not exceeding 13 kW (18 horsepower). This standard applies to direct-coupled transmission walking tractors (hereinafter referred to as tractors).
JB/T 11321-2013 Referenced Document
GB 18447.2 Safety requirements for tractors.Part 2:Walking tractors
GB/T 19407 Agricultural tractor-Maximum actuating forces required to operate controls