Section 3(6) in Technical Specifications of HVAC Ordinary Bus
6.0Suspension.- 6.1 The bus shall be fitted with leaf suspension (or beveller suspension or air bellow suspension as optional) at both front and rear. However in case of air suspension, the suspension system shall be fitted with shock absorbers, suitable for trouble free operation and jerk free comfortable ride and should be adequately protected from engine/exhaust pipe heat etc. for minimizing ageing effect on the air bellows.
