Tractor of the national standard
Agricultural and forestry tractors and machinery, lawn and horticultural power machinery - Symbols for operator and other display devices - Part 1: Generic symbols GB / T 4269.1-2000.
GB / T 8421-2000 Laboratory measurement and limits for transmission vibration of agricultural wheeled tractors
Agriculture and forestry tractors and mechanical wheels - Dimensions on hubs GB / T 6232-1998
Three - point suspension for lawn and gardening tractors GB / T 14226-1993
