VSB 6 – J4 – Major Changes To Tipper Code Update

J4 Tipping Code Upcoming Changes

The National Heavy Vehicle Regulator has revealed the staged implementation dates for the revised J4 Tipper Body Design Code.

The changes were originally included in version 3.2 of VSB6 published in July 2023 with an initial transitional period out to July 1, 2024 which allowed modifiers to use either the original J4 design code or the former J1 code.

However, since the initial release NHVR has responded to industry disquiet over the implementation timeline to address concerns over barriers to the adoption of the J4 design code.

J4 code only applies to ‘traditional’ tipping body vehicles and will not immediately apply to other types of vehicles that feature tipping bodies (i.e. tankers, street sweepers, waste collection vehicles and specialised construction vehicles).

As prevously reported the result has been a revision to the J4 code and a new implementation timetable as follows:

A tentative implementation process has been proposed, on which the NHVR is seeking feedback from industry, via the industry associations.

Stage 1 – Release. The public release of the finalised J4 code. Body builders and certifiers can review the code in full and prepare to comply with it.

Stage 2 – Activation. The J4 code is ‘activated’ in that AVEs can commence submitting J4 certification packages to jurisdictions for review and approval.

Stage 3 – Commencement. All new vehicles captured under the J4 code must comply with it in order to be an approved modification.

Potential start dates for each of the stages are a Stage 1 date of July 1, 2024, followed by Stage 2 on October 1, 2024 (three months later), and Stage 3 on April 1, 2025 (six months later).

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