[国外标准] SAE J874-1993 EARTHMOVING MACHINES . METHOD FOR LOCATING THE CENTER OF GRAVITY
[国外标准] SAE J2513-2000 Earthmoving Machinery.Coupling of Attachments to Skid Steer Loaders
[国外标准] SAE J1091-1996 EARTHMOVING MACHINERY.OPERATOR’S FIELD OF VIEW
[国外标准] SAE J ISO 13539-2000 Earthmoving Machinery—Trenchers—Definitions and Commercial Specifications
[国外标准] SAE J ISO 13333-1997 earthmoving machinery