Division 2.3.1.1
United Kingdom
The service braking system of tractors covered by this Regulation shall be tested by successively applying and releasing the brakes a number of times. The vehicle shall be fully laden and tested in accordance with the conditions shown in the following table:
| Vehicle category | Conditions | |||
|---|---|---|---|---|
| v1 [km/h] | v2 [km/h] | Δt [sec] | n | |
| T, C | 80 % vmax | ½ v1 | 60 | 20 |
Where
v1 v2 vmax n Δt
speed at start of braking
speed at end of braking
maximum design speed of vehicle
number of brake applications
duration of the braking cycle (time elapsing between the initiation of one brake application and the initiation of the next).