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Database: 365,228(8 Aug 2026)

Three-point suspension Category 1 and Category 2

Three-point suspension Category 1 and Category 2, Total:52 items.

The international standard classification for "Three-point suspension Category 1 and Category 2" includes: Agricultural tractors and trailed vehicles .

The Chinese standard classification for "Three-point suspension Category 1 and Category 2" includes: Hydraulic lift system , Traveling system .


General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 1593-2015 Agricultural wheeled tractor―Rear-mounted three-point linkage―Categories 0、1N、1、2N、2、3N、3、4N and 4
  • GB/T 1593.3-1987 Agricultural wheeled tractors--Three linkage-part 3: Categories 0
  • GB/T 1593.1-1996 Agricultural wheeled tractors-Rear-mounted three-point linkage - Part 1: Categories 1,2,3 and 4
  • GB/T 14226-2015 Lawn and garden tractors―Three-point hitch
  • GB 1593.3-1987 Three-point hitch for agricultural wheeled tractors Part III Class 0
  • GB/T 1593.4-1987 Three-point hitch for agricultural wheeled tractors Part 4: Class 0
  • GB/T 14226-1993 Lawn and garden tractors-Three-point hitch
  • GB/T 1593.2-2003 Agricultural wheeled tractors—Rear mounted three-point linkage—Part 2:Category 1N(Narrow hitch)
  • GB 1593.4-1987 Agricultural wheeled tractors--Three-point linkage--Part 4: Category 0
  • GB/T 1593.4-2004 Agricultural wheeled tractors—Rear mounted three-point linkage—Part 4:Category 0
  • GB/T 7120-1986 Three-Point hitch implement quick-attaching coupler of agricultural wheeled tractors--Category 3N
  • GB/T 7120-2009 Three-point quick-attaching coupler of implement to agricultural wheeled tractors—Category 3N、4N

Korean Agency for Technology and Standards (KATS)

  • KS B ISO 730-2:2014 Agricultural wheeled tractors - Three - point linkage - Part 2: Category 1N(Narrow hitch)
  • KS B ISO 730-2:2003 Agricultural wheeled tractors-Three-point linkage-Part 2:Category 1N(Narrow hitch)
  • KS B ISO 730-2-2003(2013) Agricultural wheeled tractors - Three - point linkage - Part 2: Category 1N(Narrow hitch)
  • KS B ISO 730-1-2007(2012) Agricultural wheeled tractors - Rear-monted three-point linkage - Part 1: Categories 1, 2, 3 and 4
  • KS B ISO 730-1:2014 Agricultural wheeled tractors - Rear-monted three-point linkage - Part 1: Categories 1, 2, 3 and 4
  • KS B ISO 730-1:2007 Agricultural wheeled tractors-Rear-monted three-point linkage-Part 1:Categories 1, 2, 3 and 4
  • KS B ISO 730:2014 Agriculgtural wheeled tractors — Rear-mounted gthree-point linkage — Categories 1N, 1, 2N, 2, 3N, 3, 4N and 4
  • KS B ISO 730-2019(2024) Agricultural wheeled tractors — Rear-mounted three-point linkage — Categories 1N, 1, 2N, 2, 3N, 3, 4N and 4

International Organization for Standardization (ISO)

  • ISO 730-1:1994 Agricultural wheeled tractors - Rear-mounted three-point linkage - Part 1: Categories 1, 2, 3 and 4
  • ISO 730-1:1990 Agricultural wheeled tractors; rear-mounted three-point linkage; part 1: categories 1, 2 and 3
  • ISO 730-3:1982 Agricultural wheeled tractors; Three-point linkage; Part 3 : Category 4
  • ISO 730-1:1994/Cor 1:1995 Agricultural wheeled tractors - Rear-mounted three-point linkage - Part 1: Categories 1, 2, 3 and 4; Technical Corrigendum 1
  • ISO 730-2:1979 Agricultural wheeled tractors; Three-point linkage; Part 2 : Category 1 N (Narrow hitch)
  • ISO 730-1:1977 Agricultural wheeled tractors — Three-point linkage — Part 1: Categories 1, 2 and 3
  • ISO 730:2009 Agricultural wheeled tractors - Rear-mounted three-point linkage - Categories 1N, 1, 2N, 2, 3N, 3, 4N and 4

Bureau of Indian Standards

  • IS 4468-2-1993 Agricultural wheeled tractors - Three-point linkage: Part 2 Category 1 N (Narrow Hitch)
  • IS 4468-3-1993 Agricultural wheeled tractors - rear-mounted three-point linkage: Part 3 Category 4
  • IS 4468-1-1997 Agricultural wheeled tractors - Rear-mounted three-point linkage: Part 1 Categoies 1, 2 3 & 4
  • IS 17231-2019 Agricultural Wheeled Tractors —— Rear-Mounted Three-Point Linkage —— Categories 1N, 1, 2N, 2, 3N, 3, 4N and 4

Association Francaise de Normalisation

  • NF U14-032:1997 Agricultural wheeled tractors. Rear-mounted three-point linkage. Part 1 : categories 1, 2, 3 and 4.
  • NF U14-032*NF ISO 730:2009 Agricultural wheeled tractors - Rear-mounted three-point linkage - Categories 1N, 1, 2N, 2, 3N, 3, 4N and 4
  • NF ISO 730:2009 Wheeled agricultural tractors - Rear-mounted three-point linkage - Categories 1N, 1, 2N, 2, 3N, 3, 4N and 4

Canadian Standards Association (CSA)

  • CAN/CSA-M730-1-2004(C2009) Agricultural Wheel Tractors - Three-point Draft Attachment Mounted at Rear - Part 1: Categories 1, 2, 3 and 4

German Institute for Standardization

  • DIN ISO 730-1:1997-05 Three-point rear suspension for agricultural machinery and tractors Part 1: Categories 1, 2, 3 and 4
  • DIN ISO 730-1:1997 Agricultural wheeled tractors - Rear-mounted three-point linkage - Part 1: Categories 1, 2, 3 and 4 (ISO 730-1:1994)

Thai Industrial Standards Institute (TISI)

British Standards Institution (BSI)

  • BS 1841-1:1991 Rear-mounted, three-point linkage on agricultural wheeled tractors-Specification for categories 1, 2 and 3
  • BS ISO 730:2009 Agricultural wheeled tractors - Rear-mounted three-point linkage - Categories 1N, 1, 2N, 2, 3N, 3, 4N and 4
  • 06/30143300 DC ISO 730. Agricultural wheeled tractors. Rear-mounted three-point linkage. Categories 1N, 1, 2, 3N, 3, 4N and 4
  • BS ISO 11001-1:2016 Agricultural wheeled tractors. Three-point hitch couplers. U-frame coupler

American National Standards Institute (ANSI)

  • ANSI/ASABE AD730-2013 Agricultural wheeled tractors - Rear-mounted three-point linkage - Categories 1N, 1, 2N, 2, 3N, 3, 4N and 4
  • ANSI/SAE J909-1993 Three-Point Hitch, Implement Quick-Attaching Coupler, Agricultural Tractors

GCC Standardization Organization

  • BH GSO ISO 730-1:2024 Agricultural wheeled tractors -- Rear-mounted three-point linkage -- Categories 1N, 1, 2N, 2, 3N, 3, 4N and 4
  • GSO ISO 730-2:1997 Agricultural wheeled tractors-Three-point linkage-Part 2: Category 1 N (Narrow hitch).

Society of Automotive Engineers (SAE)

  • SAE J1518-1986 Three Point Hitch (Type A) Backhoe Personnel Protection@ Recommended Practice
  • SAE J1518-2013 Three-Point Hitch (Type A) Backhoe Personnel Protection
  • SAE J1518-2019 Three Point Hitch (Type A) Backhoe Personnel Protection@ Recommended Practice
  • SAE J1518-2003 Three Point Hitch (Type A) Backhoe Personnel Protection
  • SAE J1518_200305 hree Point Hitch (Type A) Backhoe Personnel Protection

Belgian Standards Institute

  • NBN U 14-002-1975 Three-point linkage of agricultural wheeled tractors for attachment of mounted implements