The Central Motor Vehicles Rules,1989
Section 95. Size and ply rating of tyres
1[(1) The tyres including radial tyres used on all motor vehicles manufactured or imported on and after the 1st day of April,2006, other than agricultural tractors, construction equipment vehicles and power tillers shall comply with the requirements specified in A1S:044 (Part 1 to 3): 2004 as applicable till the corresponding BIS specifications are notified under the Bureau of Indian Standards Act,1986 (63 of 1986):
Provided that the selection and fitment of tyres for motor vehicles manufactured or imported on and from the 1st day of April,2006 shall be in accordance with AIS: 050:2004 in the case of two and three-wheelers and AIS: 051:2004 in the case other motor vehicles, till such time the corresponding BIS specifications are notified under the Bureau of Indian Standards Act,1986 (63 of 1986):
Provided further that Central Institute of Road Transport, Pune and any other agency which may be authorised by Central Government from time to time can carry tests for verification against AIS:044:2004 for tyres for the purposes of rule 126.]
2[(2)The maximum gross vehicle weight and the maximum safe axle weight of each axle of a vehicle shall, having regard to the size, nature and number of tyres and maximum weight permitted to be carried by the tyres as per sub-rule (1), be
(i) vehicle rating of the gross vehicle weight and axle weight respectively as duly certified by the testing agencies for compliance with rule 126, or
(ii) the maximum vehicle weight and maximum safe axle weight of each vehicle respectively as notified by the Central Government, or
(iii) the maximum total load permitted to be carried by the tyre as specified in sub-rule (1) for the size and the number of the tyres fitted on the axle(s) of the vehicle, whichever is less:
Provided that the maximum gross vehicle weight in respect of all vehicles, including multi axle vehicles shall not be more than the sum total of all the maximum safe axle weights put together.
3[4[(2-A) The size of the tyres of a construction equipment vehicle] specified in column (1) of the Table below shall have a ply rating specified in the corresponding entry in column (2) of the said Table in respect of maximum weight permitted to be carried by such tyre specified in the corresponding entry in column (3) thereof:
Provided that the maximum safe load for single axle with two or more tyres shall not exceed 10.2 tonnes.
OFF-THE-ROAD SERVICE: CONVENTIONAL AND WIDE BASE DIAGONAL PLY
TYRES
TABLE
AGRICULTURAL TRACTOR DRIVE WHEEL Tyre size Designation Ply rating Maximum weight permitted to be carried
(Kgs.) 8.3/8-24 4
6 630
825 8.3/8-32 4
6 730
925 11.2/10-28 4
6
8 900
1120
1320 12.4/11-24 4
6
8 950
1215
1450 12.4/11-28 4
6
8
10
12 1030
1285
1550
1600
1650 12.4/11-36 4
6 1150
1450 12.4/11-38 4
6
8 1180
1500
1750 13.6/12-28 4
6
8
10
12 1120
1450
1650
1750
1800 16.9/14-28 6
8
10
12 1850
2180
2430
2725 ROAD GRADER 13.00-24 8
12 2040
2485 14.00-24 12 3015 OFF TI IE ROAD HAULAGE SERVICE TYRES Tyre size Designation Ply rating Maximum weight permitted to be carried
(Kgs.) 12.00-20 14
16 2650
2900 12.00-24/25 14
16 3000
3250 13.00-24/25 18 3875 14.00-24/25 16
20
24 4000
4625
5150 16.00-24/25 20
24
28 5450
6000
6700 18.00-24/25 12
16
20
24
28
32 4750
5600
6500
7300
8000
8750 WIDE BASE 23.5-25 12
16
20
24 5300
6150
7300
8000
Note. 5[1.] The load rating for tyres not covered by the aboveTable may be notified by the Central Government as and when such tyres are introduced on construction equipment vehicles, and until these are notified, the provisional load rating declared by the construction equipment vehicle manufacturer may be certified by the certifying test agency referred to in rule 126.]
6[2. The maximum axle loading capacities shall be verified based on the safe loading capacities of the tyres. In cases where the axle load exceed 10.2 tonnes, the vehicle manufacturer shall ask the user to seek the prior permission of the concerned Regional or State Transport Authorities in whose jurisdiction the construction equipment vehicle is expected to ply depending upon the conditions of roads/bridges, where deemed fit. Such construction equipment vehicles whose axle load exceeds 10.2 tonnes shall display permanently on the vehicle a placard indicating “NOT FOR PLYING ON ROADS”. These conditions shall be mentioned in the certificate, issued by the testing agencies referred to in the rule 126, where the axle load exceeds 10.2 tonnes.]
(3) No tyre shall have a ply rating more than 20, for applications of on-highway and such ply rating shall not be prescribed by either vehicle manufacturer or employed by vehicle user on this class of vehicle.
(4) Check on sub-rule (3) of rule 95 on commercial vehicles will be conducted by the authority indicated in sub-rule (1) of rule 126, while conducting the checks.] 7[(5) Every tyre manufacturer shall, in addition to any trade mark or size of the tyre, also emboss on it the following, namely:
(i) Week and year code or month and year code of manufacture; and
(ii) maximum load carrying capacity.]
8[(6) In the case of Indian manufactured vehicles and imported vehicles (new and old), the size of tyres if included in the International Standards, namely, ECE, JATMA, ETRTO and T&RA besides Bureau of Indian Standards may also be accepted under this rule:
Provided that the following conditions shall be complied with:
(i) that testing agencies referred to in rule 126 shall satisfy themselves about the load and speed rating of the tyre with reference to the Indian conditions;
(ii) that the test report/certificate issued by the testing agency of the country of origin shall be verified for acceptance by the testing agency referred to in rule 126;
(iii) that for tubeless tyres fitted on imported vehicles confirming to conditions (/) and (it) shall also be allowed.]
——————–
1. Sub-R. (1) substituted by G.S.R. 589(E), dated 16-9-2005 (w.e.f. 16-9-2005).
2. Inserted by G.S.R 214(E), dated 18-3-1999 (w.e.f. 18-3-1999).
3. Inserted by G.S.R. 642(E), dated 28-7-2000 (w.e.f. 28-7-2000),
4. Substituted by G.S.R. 720(E), dated 10-9-2003, for the brackets, figure and words “(2) The size of the tyres of a construction equipment vehicle” (w.e.f. 10-10-2003).
5. The existing note numbered as “1” by G.S.R. 116(E), dated 27-2-2002 (w.e.f. 27-8-2002).
6. Inserted by G.S.R. 116(E), dated 27-2-2002 (w.e.f. 27-8-2002).
7. Inserted by G.S.R. 221(E), dated 28-3-2001 (w.e.f. 28-9-2001).
8. Inserted by G.S.R 400(E), dated 31-5-2002 (w.e.f. 31-5-2002).
