2011 New Mexico Statutes
Chapter 66: Motor Vehicles
Article 7: Traffic Laws; Signs, Signals and Markings; Accidents; Weight and Size; Traffic Safety, 66-7-1 through 66-7-513
Section 66-7-410: Gross weight of vehicles and loads.

66-7-410. Gross weight of vehicles and loads.

A. Subject to the limit upon the weight imposed upon the highway through any one axle as set forth in Section 66-7-409 NMSA 1978 and except as provided in Subsection D of this section, the total gross weight with load imposed upon the highway by any one group of two or more consecutive axles of a vehicle or combination of vehicles shall not exceed the gross weight given for the respective distance between the first and last axle of the group of axles measured longitudinally to the nearest foot as set forth in the following table:

Distance in feet between first
and last axles of group Allowed load in pounds
on group of axles 4 34,320 5 35,100 6 35,880 7 36,660 8 37,440 9 38,220 10 39,000 11 39,780 12 40,560 13 41,340 14 42,120 15 42,900 16 43,680 17 44,460 18 45,240.

B. Except as provided in Subsection D of this section, the total gross weight with load imposed on the highway by any vehicle or combination of vehicles where the distance between the first and last axles is more than eighteen feet shall not exceed that given for the respective distances in the following table:

Distance in feet between first
and last axles of group Allowed load in pounds
on group of axles 19 53,100 20 54,000 21 54,900 22 55,800 23 56,700 24 57,600 25 58,500 26 59,400 27 60,300 28 61,200 29 62,100 30 63,000 31 63,900 32 64,800 33 65,700 34 66,600 35 67,500 36 68,400 37 69,300 38 70,200 39 71,100 40 72,000 41 72,900 42 73,800 43 74,700 44 75,600 45 76,500 46 77,400 47 78,300 48 79,200 49 80,100 50 81,000 51 81,900 52 82,800 53 83,700 54 84,600 55 85,500 56 or over 86,400.

C. The distance between the centers of the axles shall be measured to the nearest even foot. When a fraction is exactly one-half, the next larger whole number shall be used.

D. The total gross weight with load limitations imposed by this section for any vehicle or combination of vehicles shall be increased by four hundred pounds if the vehicle or combination of vehicles uses idle reduction technology.