M3 Class I bus retarder
M3 Class I bus retarder
(OP)
Hello everybody.
Is it normal that a citybus from M3 catogory, class I, to pass the Brake Test Type II according to Annex 4 R13 UN-ECE, only if it has a retarder fitted on board?
Thanks a lot in advance
Is it normal that a citybus from M3 catogory, class I, to pass the Brake Test Type II according to Annex 4 R13 UN-ECE, only if it has a retarder fitted on board?
Thanks a lot in advance




