Page 161 - The Central Motor Vehicles Rules, 1989

RULE 98A THE CENTRAL MOTOR VEHICLES RULES, 1989 133
1
[(3A) On and after 1-10-2014, the steering effort of quadricycle shall conform to
Indian Standard IS 11948-1999, as amended from time to time.]
2
[(4) Every heavy passenger motor vehicle manufactured after expiry of six months
from the date of commencement of the Central Motor Vehicles (Amendment) Rules,
2000 (including the date of such commencement) shall be fitted with power steering
gears.]
3
[(5) The power steering shall be fitted in—
(a) the Category N3 multi-axle vehicles on and from 1st May, 2004; and
(b) other than multi-axle vehicles of Category N3 on and from 1st December,
2004.]
4
[98A. Steering gears for construction equipment vehicles

98A
(1) The steering system of every construction vehicle shall be maintained in good
and sound condition, with backlash not exceeding 30 degrees on the steering wheel
when tested with the engine running; ball-joints connecting the steering linkage of the
mechanical steering system shall be protected by rubber caps and where the connections
are secured with bolts or pins, the bolts or pins shall be effectively locked; in the case of
hydrostatic steering system the moving parts shall be effectively sealed and protected
from dust ingress.
(2) The steering system of the construction equipment vehicle shall be adequately
designed to ensure efficient and effective control of the vehicle under all the driving
conditions and shall be so constructed as to conform to the Indian Standards IS :
12222(1987), as modified from time to time:
5
[PROVIDED that construction equipment vehicle manufactured on and after the
1st day of April, 2021, shall be adequately designed to ensure efficient and effective
control of the vehicle under all driving conditions so that the vehicle is able to steer
within a turning circle diameter of 24 meters, conforming to the test procedure specified
in IS/ISO:7457:1997 as amended from time to time, however in case of self-propelled
tandem drum and single drum vibratory compactors, the turning circle radius and
turning circle requirements shall be measured as per IS:5500-Part 1 and Part 2,
respectively.]
(3) The steering effort of the construction equipment vehicles during normal
unladen operation shall not exceed 11.7 kg push/pull for hydrostatic steering system
and 20 kg for manual steering wheel system when evaluated as per clauses 5.1 to 5.4 of
Indian Standards IS : 11948-(1986) as specified by the Bureau of Indian Standards:]
5
[PROVIDED that construction equipment vehicle manufactured on and after the
1st day of April, 2021, shall comply the steering effort requirement as stipulated in AIS:
144-2018 as amended from time to time, however in case if emergency steering system
is provided, the additional compliance requirements for emergency steering system as
specified in AIS:144-2018 as amended from time to time, shall also be complied with.]

1 Inserted vide GSR 99(E), dt. 19-2-2014, w.e.f. 1-10-2014.
2 Inserted vide GSR 65(E), w.e.f. 25-1-2000.
3 Substituted by CMV (Amdt.) Rules, 2004 vide GSR 111(E), dt. 10-2-2004, w.e.f. 10-8-2004.
4 Inserted vide GSR 642(E), dt. 28-7-2000.
5 Inserted vide GSR 673(E), dt. 27-10-2020, w.e.f. 27-10-2020.