Document ID: chunk:federal_register_of_legislation:F2007C00223:body:0:p10
Version: federal_register_of_legislation:F2007C00223
Segment Type: other
Provision Reference: 
Character Range: 27919–30985

`Road Train' operation.

44.2.3.3.3.              Drive `Axle' on drawing vehicle

         The drawing vehicle used in a `Road Train' with a 'Gross Combination Mass' in excess of 42 tonnes shall have at least a tandem driven rear 'Axle Group'.

         If internal differentials are fitted then they shall be of the positive locking type.

44.2.3.3.4.              Tracking Requirements for 'Road Trains'

         All units incorporated in a `Road Train' travelling on a level, smooth surface shall track in the path of the drawing vehicle without shifting or swerving more than 100 mm either side of the path of the drawing vehicle when it is travelling in a straight line.

44.2.3.4.                    Additional Headlamps for 'Road Trains'
44.2.3.4.1.              Additional headlamps may be affixed to the front of the drawing vehicle of a `Road Train' provided that the total number of headlamps does not exceed 6 and the additional .headlamps are automotive type main beam lamps which are so fitted and of such a type that:
44.2.3.4.1.1.       they are not higher than 1,400 mm above the ground;
44.2.3.4.1.2.       they are capable of showing a white light only and projecting the main beam in front of the vehicle; and
44.2.3.4.1.3.       they are so connected electrically with the normal headlamps that they will be extinguished when the headlamps are in the dipped position and such that they can also be extinguished separately.
44.2.3.5.                    'Axle Group' Spacing in 'Road Trains'
44.2.3.5.1.              A `Single Axle' with dual tyres shall be spaced not less than 5.0 m from the centre of an adjacent 'Tandem Axle Group'.
44.2.3.5.2.              A `Single Axle' with dual tyres shall be spaced not less than 5.0 m from the centre of an adjacent `'Triaxle Group'.
44.2.3.5.3.              Adjacent pairs of `Tandem Axle Groups' shall be spaced not less than 6 m between the centres of the 'Axle Groups'.
44.2.3.5.4.              A 'Tandem Axle Group' and an adjacent 'Triaxle Group' shall be spaced not less than 7.0 m between the centres of the 'Axle Groups'.
44.2.3.5.5.              Adjacent 'Triaxle Groups' are not permitted
44.2.4.                          COMBINATIONS OF TRAILERS AND MOTOR VEHICLES (other than `Road Trains')
44.2.4.1.                    General Attachment Requirements
44.2.4.1.1.              A trailer other than a `Semi-trailer' shall be securely attached to the drawing vehicle by a suitable 'Coupling' so fitted as to prevent as far as possible lateral swing of the trailer when the drawing vehicle and trailer are in motion.
44.2.4.1.2.              A 'Semi-trailer' shall be securely attached to the 'Prime Mover'.
44.2.4.2.                    `Couplings' and 'Drawbars' for vehicles other than passenger can (MA), forward-control passenger vehicles (MB), ORPV (MC) and L-group vehicles
44.2.4.2.1.              When a trailer other than a `Semi-trailer' or 'Pole -type Trailer' is attached by means of a 'Coupling' and 'Drawbar' which controls the movement of such trailer to any drawing vehicle,