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Permissible Weight Table

Permissible Weight Table

This table provides a guide to determine the maximum legal weight on any group of two or more consecutive axles. The table may be applied to inner axle groups such as the drive axles and the trailer or trailers, or the entire combination of axles from the steering axle of the power unit to the last trailing axle of the trailer.
The number for gross weight in pounds is the required distance in feet between the extremes of any group of two or more consecutive axles. The remaining column indicates the maximum weight for various numbers of axles in the group of axles being considered.
The maximum weights shown in the table are based on either of these formulas:

  • W=500 [(LN/(N-1)) +12N+36]
  • L=length and N=number of axles
 Distance in Feet       Axles
2 3 4 5 6 7
4  34,000
  34,000
  34,000
  34,000
  34,000 34,000
8+   38,000 42,000
 39,000 42,500
10   40,000 43,500
11  44,500
12  45,000 50,000
13  45,500 50,500
14  46,500 51,500
15  47,500 52,000
16  48,000 52,500 58,000
17  48,500 53,500 58,500
18  49,900 54,000 59,000
19  51,400 54,500 60,000 
20  52,800 55,500 60,500  66,000
21  54,000 56,000 61,000  66,500 
22  54,000 56,500 61,500  67,000 
23  54,000 57,500 62,500  68,000
24  54,000 58,700* 63,000  68,500 74,000
25  54,500 59,650* 63,500  69,000  74,500 
26  55,500 60,600* 64,000  69,500  75,000 
27  56,000 61,550* 65,000  70,000  75,500 
28  57,000 62,500* 65,500  71,000  76,500 
29  57,500 63450* 66,000  71,500  77,000 
30  58,500 64,000* 66,500  72,000  77,500 
31  59,000 65,350* 67,500  72,500  78,000 
32  60,000 66,300* 68,500 73,000  78,500 
33  67,250* 68,500 74,000 79,000 
34  68,200* 69,000 74,500 80,000 
35  69,150* 70,000 75,000
36  70,100* 70,500  75,500 
37  71,050* 71,050  76,000 
38  72,000* 72,000*  77,000 
39  72,000* 72,500  77,500 
40  72,000* 73,000 78,000 
41  72,000* 73,500 78,500 
42  72,000* 74,000  79,000 
43  72,000* 75,000 80,000 
44  72,000* 75,500
45  72,000 76,000 
46  72,500 76,500
47  73,500 77,500
48  74,000 78,000
49  74,500  78,500
50  75,500  79,000 
51 76,000  80,000 

*These figures were carried forward from Article 6701d-11, Section 5(a)(4) when Senate Bill 89 of the 64th Texas Legislature amended it on December 16, 1974. The amendment provided that axle configurations and weights that were lawful as of that date would continue to be legal under the increased weight limits.

+These figures apply only to an axle spacing greater than 8 feet but less than 9 feet.

 

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