CHAPTER 185. AXLE WEIGHT TABLE Sec.
185.1. Purpose; authority; application.
185.2. Definitions.
185.3. Groups of consecutive axles.
185.4. Six-axle combinations.
185.5. Violations.Authority The provisions of this Chapter 185 issued under the Vehicle Code, 75 Pa.C.S. § 6103, unless otherwise noted.
Source The provisions of this Chapter 185 adopted January 16, 1981, effective January 17, 1981, 11 Pa.B. 355, unless otherwise noted.
§ 185.1. Purpose; authority; application.
(a) Purpose. This chapter is promulgated to provide drivers and owners of vehicles, enforcement personnel and the courts with a table applying the formula in 75 Pa.C.S. § 4943(b)(1) to the various numbers and spacing of axles which are found on combinations.
(b) Authority. This chapter is promulgated under authority of 75 Pa.C.S. § 6103.
(c) Application. This chapter applies to all combinations registered in this Commonwealth or any other state at a weight in excess of 73,280 pounds and having a gross weight in excess of 73,280 pounds.
§ 185.2. Definitions.
The following words and terms, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise:
External bridge—The distance between the center of the steering axle of the towing vehicle and the center of the last axle of the trailer.
Internal bridge—The distance between the center of the second axle of the towing vehicle and the center of the last axle of the trailer.§ 185.3. Groups of consecutive axles.
Except as provided in § 185.4 (relating to six-axle combinations) no combination registered and having a gross weight in excess of 73,280 pounds shall be driven on a highway with a weight on any group of consecutive axles in excess of the applicable weight shown on the following table:
BRIDGE FORMULA TABLE
For Determining Maximum Axle Weights When Registered
and Gross Weight Exceed 73,280 Pounds
Maximum load in pounds carried on any Center-to-center distance in group of 2 or more consecutive axles feet between the first and last axles of any group of 2 or more consecutive axles 2 axles 3 axles 4 axles 5 axles 6 axles 7 axles 4 …34,000 5 …35,000 6 …36,000 AXLE GROUPS IN 7 …37,000 THESE SPACINGS 8 …38,000 …42,000 IMPRACTICAL 9 …39,000 43,000 10 …40,000 43,500 11 …44,500 12 …45,000 …50,000 13 …46,000 50,500 14 …46,500 51,500 15 …47,500 52,000 16 …48,000 …52,500 …58,000 17 …49,000 53,500 58,500 18 …49,500 54,000 59,500 19 …50,500 54,500 60,000 20 …51,000 …55,500 …60,500 …66,000 21 …52,000 56,000 61,000 66,500 22 …52,500 56,500 62,000 67,000 23 …53,500 57,500 62,500 68,000 24 …54,000 …58,000 …63,000 …68,500 …74,000 25 …55,000 58,500 63,500 69,000 74,500 26 …55,500 59,500 64,500 69,500 75,000 27 …56,500 60,000 65,000 70,000 76,000 28 …57,000 …60,500 …65,500 …71,000 …76,500 29 …58,000 61,500 66,000 71,500 77,000 30 …58,500 62,000 67,000 72,000 77,500 31 …59,500 62,500 67,500 72,500 78,000 32 …60,000 …63,500 …68,000 …73,000 …78,500 33 …64,000 68,500 74,000 79,500 34 …64,500 69,500 74,500 80,000 35 …65,500 70,000 75,000 36 …68,000 …70,500 …75,500 37 …68,000 71,000 76,000 38 …68,000 72,000 77,000 39 …68,000 72,500 77,500 40 …68,500 …73,000 …78,000 41 …69,500 73,500 78,500 42 …70,000 74,500 79,000 43 …70,500 75,000 80,000 44 …71,500 …75,500 45 …72,000 76,000 46 …77,000 47 …77,500 48 …78,000 49 …78,500 50 …79,500 51 and over …80,000 80,000 80,000 All distances shall be measured longitudinally to the nearest foot.
§ 185.4. Six-axle combinations.
A combination registered in this Commonwealth or any other state at a weight between 79,001 and 80,000 pounds which has six axles, an external bridge measuring 43 feet or more, and an internal bridge measuring 32 feet or more shall be in compliance with the formula in 75 Pa.C.S. § 4943(b)(1) if the tandem axles of the towing vehicle do not exceed 34,000 pounds and the three axles of the trailer do not exceed 42,500 pounds.
Cross References This section cited in 67 Pa. Code § 185.3 (relating to groups of consecutive axles).
§ 185.5. Violations.
A combination driven on a highway with a weight on any axle or group of axles in excess of the allowable weight in this chapter is in violation of 75 Pa.C.S. § 4943(b)(1). The violator shall be subject to the appropriate penalty prescribed in 75 Pa.C.S. § 4945(b) for exceeding the maximum axle weights allowed by section 4943.
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