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Division 3.1.4.1

United Kingdom

Original text. Later amendments are not shown.

In the case of category Tb tractors with a maximum design speed exceeding 60 km/h, the residual performance of the service braking system, in the event of failure in a part of its transmission, shall give a stopping distance not exceeding the following values and a mean fully developed deceleration not less than the following values, using a control force not exceeding 70 daN, when checked by the type-0 test with the engine disconnected from the following initial speeds for the relevant vehicle category:

v [km/h]Stopping distance LADEN — [m]dm [m/s2]Stopping distance UNLADEN — [m]dm [m/s2]
40 0,15v + 100 ∕ 30 × v 2 ∕ 115 1,3 0,15v + 100 ∕ 30 × v 2 ∕ 115 1,3

That requirement shall not be construed as a departure from the requirements concerning secondary braking.