Document ID: chunk:federal_register_of_legislation:F2006L03054:body:0:p2
Version: federal_register_of_legislation:F2006L03054
Segment Type: other
Provision Reference: 
Character Range: 4165–8909

L5                     1 March 1992              Nil
Passenger car                      MA                                             M1                     1 Jan 1992                Nil
Forward-control passenger vehicle  MB                                             M1                     1 Jan 1992                Nil
Off-road passenger vehicle         MC                                             M1                     1 Jan 1992                Nil
Light omnibus                      MD                                             M2
                                   up to 3.5 tonnes 'GVM' and up to 12 seats         MD1                                           1 July 1991             Nil
                                   up to 3.5 tonnes 'GVM' and more than 12 seats     MD2                                           1 July 1991             Nil
                                   over 3.5 tonnes and up to 4.5 tonnes 'GVM'        MD3                                           1 July 1991             Nil
                                   over 4.5 tonnes and up to 5 tonnes 'GVM'          MD4                                           1 July 1991             Nil
Heavy omnibus                      ME                                             M3                     1 July 1991               Nil
Light goods vehicle                NA                                             N1                     1 July 1991               Nil
Medium goods vehicle               NB                                             N2
                                   over 3.5 tonnes up to 4.5 tonnes 'GVM'            NB1                                           1 July 1991             Nil
                                   over 4.5 tonnes up to 12 tonnes 'GVM'             NB2                                           1 July 1991             Nil
Heavy goods vehicle                NC                                             N3                     1 July 1991               Nil
Very light trailer                 TA                                             O1                     1 July 1991               Nil
Light trailer                      TB                                             O2                     1 July 1991               Nil
Medium trailer                     TC                                             O3                     1 July 1991               Nil
Heavy trailer                      TD                                             O4                     1 July 1991               Nil

4.                                          DEFINITIONS
4.1.                                    Refer to Vehicle Standard (Australian Design Rule Definitions and Vehicle Categories) 2005.

5.                                          COUPLING REQUIREMENTS
5.1.                                    Locking Mechanisms
A 'Coupling' must be a positive locking type with provision for a second independent device. It may have provision for automatic coupling and the locking must be readily verifiable by visual examination.
5.2.                                    Location
5.2.1.                              Unless otherwise 'Approved' only trailers designed for use in 'Road Train' and 'B-Double' combinations may be fitted with a rear mounted tow 'Coupling'.
5.2.2.                              For NC vehicles the 'Tow Coupling Overhang' must not exceed 2.7 m.
5.2.3.                              Height of towing pivot:
5.2.3.1.                        For vehicles fitted with 50 mm pin-type 'Couplings' or 127 mm 'Ball Couplings' the height of the towing attachment and the 'Drawbar' pivots determined in the unladen condition must be either 875 ± 75 mm or 600 ± 50 mm;
5.2.3.2.                        For MA and MB group vehicles fitted with a 50 mm 'Ball Coupling' the height to centre of the ball determined in the laden condition must be between 350 and 420 mm.
5.2.4.                              Mounting of 'Fifth Wheel' and 'Fifth Wheel' Kingpins
5.2.4.1.                        Unless otherwise 'Approved', 'Fifth Wheel' assemblies must be mounted in conformity with the requirements of:
5.2.4.1.1.                  Australian Standard 1771-1987 "Installation of Fifth Wheel and Turntable assemblies" and
5.2.4.1.2.                  Australian Standard 2174-1978 "Recommendations for positions and heights of Fifth Wheels for Articulated Vehicles" or AS 2174-1994 "Articulated vehicles - Mechanical coupling between prime movers and Semitrailers - Interchangeability requirements".
5.2.4.2.                        'Fifth Wheel' Kingpins must be attached to the 'Semi-Trailer' skid plate in conformity with the requirements of Australian Standard 2175-1990 "Articulated Vehicles - Kingpins", Appendix D.
5.3.