Singapore legislation
Regulation 11
of Road Traffic (Motor Vehicles, Construction and Use) Rules
Regulation 11
Springs
Subregulation 1
Every motor vehicle and every trailer drawn thereby shall be equipped with suitable and sufficient springs between each wheel and the frame of the vehicle.
Subregulation 2
Nothing in paragraph (1) shall apply to any —
(a)
plant used for road repair;
(b)
land implement or land tractor;
(c)
mobile crane;
(d)
works vehicle; or
(e)
motor tractor not exceeding 4 metric tons in weight unladen if all unsprung wheels of such tractor are fitted with pneumatic tyres.