Specifications
Brake assessment manual Ver 1.0 Published October 2013 48 (48 pages)
Appendix 7: Variations for N Category vehicles and
certain M Category vehicles
N Category vehicles subject to ADR 35/-- Commercial Vehicle Brake Systems must comply
with the design requirements of that ADR. The performance requirements specified in Table
3 and Appendix 5 of this brake test schedule apply with the following amendments:
Lightly Loaded Test Mass 35/… -the mass of the unladen vehicle with a full capacity of
lubricating oil and coolant and not less than 75 percent of full fuel capacity, but without
goods, occupants or options except those options which are essential for the test procedures
specified, plus additional loading distributed in the seating position adjacent to the driver‘s
seating position so that the mass of such loading plus the mass of the driver and
instrumentation mounted in the vehicle is 1 55±30kg. In the case of a vehicle in "cab and
chassis" condition an additional load not exceeding 7.5 percent of the ‘GVM’ shall be located
with its centre of mass within 200 mm of the ‘Manufacturer(s)’ designated load centre,
measured in a horizontal plane.
Maximum Loaded Test Mass 35/… - The mass of the laden vehicle loaded to GVM rating
with the load so distributed over the load bearing area of the vehicle as not to exceed the
‘Manufacturer’s’ nominated individual Axle Loads.
Test C: Park brake: The applicable test gradient shall be 18%.