Page 252 - The Central Motor Vehicles Rules, 1989

224 THE CENTRAL MOTOR VEHICLES RULES, 1989 RULE 115A
1 2

[115A. [Emission of smoke and vapour from agricultural tractors, power tillers,
construction equipment vehicles and combine harvesters driven by diesel
engines]
3
(1) Every [agricultural tractors, construction equipment vehicles and combine
115A
harvesters] manufactured on and from the date of commencement of this rule shall be
maintained by its owner in such condition and shall be so used that visible and gaseous
pollutants emitted by them comply with the standards as prescribed in this rule.
3
(2) Every manufacturer of [agricultural tractors, construction equipment vehicles
and combine harvesters] shall comply with the standards for visible pollutants, emitted
by it, when tested as per the procedure described in Indian Standards IS:12062:1987
4
[(point No. 4)].
(3) The emission of the visible pollutants shall not exceed the limit values given
below when tested on engine dynamometer at eighty per cent load at six equally spaced
speed, namely:—
(a) Fifty-five per cent of rated speed declared by the manufacturer or one
thousand r.p.m. whichever is higher; or
(b) rated speed declared by the manufacturer.

Maximum Smoke Density
Light absorption coefficient (lm) Hartridge units
3.25 75

5
(4) Every diesel driven [construction equipment vehicles] shall be so
manufactured and produced by its manufacturer that it complies with the following
standards of gaseous pollutants, emitted by them in addition to those of visible
pollutants as provided in sub-rule (2) when tested as per the procedures described in
ISO 8178-4 ‘CI’ 8 mode cycle, namely:—
The weighted average mass of carbon monoxide (CO), Hydrocarbons (HC)
6
and mass oxides of Nitrogen (NOx) in gram [per] kilo watt. hr. emitted
during the test shall not exceed the limits given below, both for type
approval and Conformity On Production test, namely:—
6
Mass of Carbon Monoxide (CO) — 14.0 gram [per] kilo watt. hr.

1 Inserted vide GSR 627(E), dated 8-9-1999.
2 Substituted for the marginal heading "Emission of smoke and vapour from agricultural tractors, power
tillers and construction equipment vehicles driven by diesel engines" vide GSR 212(E), dt. 20-3-2015, w.e.f.
1-4-2015.
3 Substituted for “agricultural tractors and construction equipment vehicles”, ibid.
4 Corrected vide GSR 800(E), dt. 3-12-1999.
5 Substituted for “agricultural tractor and construction equipment vehicles” vide GSR 83(E), dt. 5-2-2003,
w.e.f. 1-6-2003.
6 As corrected vide GSR 800(E), dt. 3-12-1999.