Document ID: chunk:federal_register_of_legislation:F2006L02299:body:0:p2
Version: federal_register_of_legislation:F2006L02299
Segment Type: other
Provision Reference: 
Character Range: 3985–7860

vehicle         MC                     M1                     Not Applicable
Light omnibus                      MD                     M2                     Not Applicable
Heavy omnibus                      ME                     M3                     Not Applicable
Light goods vehicle                NA                     N1                     Not Applicable
Medium goods vehicle               NB                     N2                     Not Applicable
Heavy goods vehicle                NC                     N3                     Not Applicable
Very light trailer                 TA                     O1                     Not Applicable
Light trailer                      TB                     O2                     Not Applicable
Medium trailer                     TC                     O3                     1 July 1991               Nil
Heavy trailer                      TD                     O4                     1 July 1991               Nil

63.1.                                DEFINITIONS
63.1.1.                          Refer to Vehicle Standard (Australian Design Rule Definitions and Vehicle Categories) 2005.
63.2.                                Refer to C.2.
63.3.                                Not used.
63.4.                                ELECTRICAL REQUIREMENTS
63.4.1.                          Electrical connectors having a minimum rated capacity for the lighting circuit of 30 amps at nominal 12V  or 15 amps at 24V for connection of lighting and signalling systems must be fitted.
63.4.2.                          Main line supply cables, other than feeder wires to lamps, must have a DC resistance of not more than 4 m/metre or in the case of copper cables must  have a cross–sectional area not less than 5 mm2.
63.4.3.                          Every trailer must be equipped with an electrical conductor having a minimum cross–sectional area of 5 mm2, independent of the trailer 'Coupling', or 'Fifth Wheel' assembly in the case of a 'Semi-trailer' providing a return path between the electrical circuits of the trailer and that of the drawing vehicle.
63.5.                                MECHANICAL REQUIREMENTS
         Every trailer must be fitted with connection devices which meet the following additional requirements:
63.5.1.                          Location requirements
63.5.1.1.                    The 'Tow Coupling Overhang' must not exceed:
63.5.1.1.1.              in the case of a trailer other than a 'Semi-trailer', 30 percent of the distance from the centre of the front 'Axle Group' to the centre of the rear 'Axle Group';
63.5.1.1.2.              in the case of a 'Semi-trailer' 30 per cent of the distance from the 'Point of Articulation' to the centre of the rear 'Axle Group'.
63.5.1.2.                    The height of the towing attachment and the 'Drawbar' pivots determined in the unladen condition must be 875 ± 75 mm.
63.5.1.3.                    The vertical axis of the 'Coupling' pivot must be not more than 300 mm forward from the rear–most projection of the trailer.
63.5.1.4.                    The 'Drawbar Length'  must exceed 3.0 m but must not exceed 5.0 m.
63.5.2.                          Marking and strength requirements
         Unless otherwise 'Approved' all connection devices must conform with the marking and strength requirements as specified below:
63.5.2.1.                     'Fifth Wheel' assemblies must comply with the requirements of Australian Standard 1773-1990 "Articulated Vehicles - Fifth Wheel Assemblies" and have a 'D-value' of not less than 162 kN (16.5 t).
63.5.2.2.                    'Fifth Wheel Kingpins' must comply with the requirements of Australian Standard 2175-1990 "Articulated Vehicles - Kingpins" and have a 'D-value' of not less than 162 kN (16.5 t).
63.5.2.3.                    Tow 'Coupling' assemblies must comply with Australian Standard