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Agency 36

Kansas Department of Transportation

Article 1.—Special Permits, Loads and Vehicles

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36-1-37. Maximum dimensions and gross weights. (a) The following maximum dimensions and weights shall apply to annual permits.
(1) Dimensions:
Width 16 feet 6 inches
Length 126 feet
Height 15 feet
(2) Axle weights:
Single, non-drive axle 22,000 pounds
Single, drive axle 24,000 pounds
Tandem 45,000 pounds
Triple 60,000 pounds
Quad or more 65,000 pounds
(3) Weight:
Gross weight 120,000 pounds
(b) The following maximum dimensions and axle weights shall apply to standard permits.
(1) Dimensions:
Width 16 feet 6 inches
Length 126 feet
Height 18 feet
(2) Axle weights:
Single, non-drive axle 22,000 pounds
Single, drive axle 24,000 pounds
Tandem 45,000 pounds
Triple 60,000 pounds
Quad or more 65,000 pounds
(3) Weight:
Gross Weight 150,000 pounds
(4) Maximum weights for extra-wide axle groups both standard and annual permits:
Width (Feet) Single N-drive Single Drive Tandem Tridem Quad
Less than (LT) 8'-07" 22,000 24,000 45,000 60,000 65,000
8'-07" LT 9'-00" 22,500 24,500 46,000 61,500 67,000
9'-00" LT 9'-06" 23,000 25,000 47,000 63,000 69,000
9'-06" LT 10'-00" 23,500 25,500 48,000 64,500 71,000
10'-00" and greater 24,000 26,000 49,000 66,000 73,000
(5) Maximum gross weight spacing table. The external spacing shall be determined by measuring the distance between the center of the steering axle and the center of the last axle of the combination. This chart shall apply to both standard and annual permits.
External
Spacing (feet)
Maximum
Gross Wt.
08 58,800
09 60,200
10 61,600
11 63,000
12 64,400
13 65,800
14 67,200
15 68,600
16 70,000
17 71,400
18 72,800
19 74,200
20 75,600
21 77,000
22 78,400
23 79,800
24 81,200
25 82,600
26 84,000
27 85,400
28 86,800
29 88,200
30 89,600
31 91,000
32 92,400
33 93,800
34 95,200
35 96,600
36 98,000
37 99,400
38 100,800
39 102,200
40 103,600
41 105,000
42 106,400
43 107,800
44 109,200
45 110,600
46 112,000
47 113,400
48 114,800
49 116,200
50 117,600
51 119,000
52 120,400
53 121,800
54 123,200
55 124,600
56 126,000
57 126,700
58 127,400
59 128,100
60 128,800
61 129,500
62 130,200
63 130,900
64 131,600
65 132,600
66 133,000
67 133,700
68 134,400
69 135,100
70 135,800
71 136,500
72 137,200
73 137,900
74 138,600
75 139,300
76 140,000
77 140,700
78 141,400
79 142,100
80 142,800
81 143,500
82 144,200
83 144,900
84 145,600
85 146,300
86 147,000
87 147,700
88 148,400
89 149,100
90 149,800
91 or more 150,000
(c) The following maximum dimensions and axle weights shall apply to the movement of special mobile equipment.
(1) Dimensions:
Width 16 feet 6 inches
Length 126 feet
Height 18 feet
(2) Axle weights:
Single, non-drive axle 22,000 pounds
Single, drive axle 24,000 pounds
Tandem 49,000 pounds
Triple 60,000 pounds
Quad or more 65,000 pounds
(3) Weight:
Gross weight 150,000 pounds
(4) Maximum weights for extra-wide axle groups on special mobile equipment:
Width (Feet) Single N-drive Single Drive Tandem Tridem Quad
Less than (LT) 8'-07" 22,000 24,000 49,000 60,000 65,000
8'-07" LT 9'-00" 22,500 24,500 50,000 61,500 67,000
9'-00" LT 9'-06" 23,000 25,000 51,000 63,000 69,000
9'-06" LT 10'-00" 23,500 25,500 52,000 64,500 71,000
10'-00" and greater 24,000 26,000 53,000 66,000 73,000

(5) Maximum gross weight and external spacing table for special mobile equipment. The external spacing shall be determined by measuring the distance between the center of the steering axle and the center of the last axle of the combination.
External
Spacing (feet)
Maximum
Gross Wt.
08 67,200
09 68,800
10 70,400
11 72,000
12 73,600
13 75,200
14 76,800
15 78,400
16 80,000
17 81,600
18 83,200
19 84,800
20 86,400
21 88,000
22 89,600
23 91,200
24 92,800
25 94,400
26 96,000
27 97,600
28 99,200
29 100,800
30 102,400
31 104,000
32 105,000
33 107,200
34 108,800
35 110,400
36 112,000
37 113,600
38 115,200
39 116,800
40 118,400
41 120,000
42 121,600
43 123,200
44 124,800
45 126,400
46 128,000
47 129,600
48 131,200
49 132,800
50 134,400
51 136,000
52 137,600
53 139,200
54 140,800
55 142,400
56 144,000
57 144,800
58 145,600
59 146,400
60 147,200
61 148,000
62 148,800
63 149,600
64 or more 150,000
(Authorized by K.S.A. 1996 Supp. 8-1911; implementing K.S.A. 1996 Supp. 8-1904, 8-1908, 8-1909; effective Aug. 15, 1997.)
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