# New York Axle Weight Limits

### Axle spacings and weight calculator

Max Legal Weight for GVW under 80,000 lbs and Max Permitted Weight for GVW over 80,000 lbs

### Maximum Legal Weight Allowed

Maximum legal weight for State Highways and Designated Highways are:

• Maximum load per tire, the lesser of: 800 pounds per inch width or manufacturer’s tire rating
• Maximum weight, one axle 22,400 pounds
• Maximum weight, any two consecutive axles, less than 8 feet apart 36,000 pounds
• Axles less than 46 inches apart, measured from axles' centers, are considered one axle.
• Maximum weight, any two consecutive axles 8 to 10 feet apart. Weight cannot exceed 40,000 pounds maximum.
• Maximum weight on all axles of a single vehicle or combination of vehicles having 3 axles or more is 80,000 pounds.

For any vehicle or combination of vehicles having a total gross weight less than 71,000 pounds, the higher of the following shall apply:

• the total weight of all axles shall not exceed 34,000 pounds plus 1,000 pounds for each foot and major fraction of a foot of the distance from the center of the foremost axle to the center of the rear most axle, or
• the overall gross weight on a group of two or more consecutive axles shall not exceed the weight produced by application of the following formula:

#### W = 500 [(LxN)/(N-1) + (12xN) + 36],

where W equals overall gross weight on any group of two or more consecutive axles to the nearest 500 pounds, L equals distance in feet from the center of the foremost axle to the center of the rearmost axle of any group of two or more consecutive axles, and N equals number of axles in group under consideration, except that two consecutive sets of tandem axles may carry a gross load 34,000 pounds each providing the overall distance between the first and last axles of such consecutive sets of tandem axles is thirty-six feet or more.

### Maximum Permit Weight Allowed

#### Type 1 (F1):

Max. Axle and Grouping Weights in Lbs.

Steering axle - 22,400 pounds
Any other Single axle - 25,000 pounds
Tandem Group - 47,000 pounds
Tridem Group - 57,000 pounds
Max. Gross vehicle weight - 97,400 pounds
Permitted Gross weight is based on the F1 formula : (1,250 x Wheelbase* ) + 42,500
* Overall Wheelbase in inches is rounded to the nearest whole foot.

#### Type 1A (F1) This permit type is Large Through Truck Restricted

Max. Axle and Grouping Weights in Lbs.

Steering axle - 22,400 pounds
Any other Single axle - 25,000 pounds
Tandem Group - 47,000 pounds
Tridem Group - 57,000 pounds
Max. Gross vehicle weight - 102,000 pounds
Permitted Gross weight is based on the F1 formula : (1,250 x Wheelbase* ) + 42,500
* Overall Wheelbase in inches is rounded to the nearest whole foot.

#### Type 7 (F2) ‐ This permit type is Large Through Truck Restricted

Max. Axle and Grouping Weights in Lbs.

Steering axle - 22,400 pounds
Any other Single axle - 25,000 pounds
Tandem Group - 48,000 pounds
Tridem Group - 58,000 pounds
Max. Gross vehicle weight - 107,000 pounds

#### Type 9 (F2) ‐ This permit type is Large Through Truck Restricted.

Max. Axle and Grouping Weights in Lbs.

Tractor Steering axle - 13,000 pounds
Truck Steering Axle - 17,000 pounds
Any other Single axle - 18,000 pounds
Tandem Group - 42,000 pounds
Tridem Group - 54,000 pounds
Max. Gross vehicle weight - 117,000 pounds

#### Downstate Permit Types

Applicants must have Downstate Grandfather Rights in order to apply for any of the permit types listed below. All Permit types listed below are only valid for operation within the following Counties; Westchester, Rockland, Putnam, Orange, Dutchess, Nassau and Suffolk.

#### Type 2 (F4) (mina axles 4)

Max. Axle and Grouping Weights in Lbs.

Steering axle - 22,400 pounds
Any other Single axle - 29,500 pounds
Tandem Group - 59,000 pounds
Tridem Group - 64,000 pounds
Max. Gross vehicle weight - 79,000 pounds

#### Type 2A (F4) (min axles 5)

Max. Axle and Grouping Weights in Lbs

Steering axle - 22,400 pounds
Any other Single axle - 29,500 pounds
Tandem Group - 59,000 pounds
Tridem Group - 64,000 pounds
Max. Gross vehicle weight - 79,000 pounds

#### Type 4 (F5)

Max. Axle and Grouping Weights in Lbs

Steering axle - 22,400 pounds
Any other Single axle - 22,500 pounds
Tandem Group - 45,000 pounds
Tridem Group - 57,000 pounds
Max. Gross vehicle weight - 93,000 pounds

#### Type 6B (F5) ‐ Effective 4/01/2004

Max. Axle and Grouping Weights in Lbs

Steering axle - 22,400 pounds
Any other Single axle - 25,750 pounds
Tandem Group - 48,000 pounds
Tridem Group - 63,000 pounds
Max. Gross vehicle weight - 120,000 pounds

#### Structural Restrictions Apply:

All Divisible Load Overweight Permit types are “R” (Restricted) permits. All vehicles operating under Divisible Load Overweight permits are prohibited from crossing “R” posted bridges (signed as: No Trucks with “R” Permits) unless the bridge has been officially rated as “Waivered” by the Department. Waivered bridges allow permitted vehicles to cross while operating under Divisible Load Overweight permits, Types; 1, 1A, 2, 2A, 4 or 8 at permitted weights up to 102,000 pounds. No permitted vehicles may cross a Load Posted bridge if the permitted weight exceeds the Posted weight limit of the bridge.

#### Infrastructure Friendly Vehicle Requirements (IFV):

The following requirements must be met for any vehicle or combination of vehicles that are model year 2006 or newer or regardless of model year are applying for or operating under a Type 9 permit.

1. All lift axles must be steerable or trackable.
2. All axles, other than steerable or trackable axles must have two tires on each side of the axle.
3. The weight on any grouping of two or more axles shall be distributed such that no one axle in the group carries less than eighty percent (80%) of any other axle in the group.
4. Any air pressure controls for a lift axle must be located outside the cab of the power unit beyond the reach of the occupants while the power unit is in motion.

Vehicles model year 2005 or older have until January 1, 2020 to comply with the above IFV requirements unless they are applying for a type 9 permit. When applying for type 9 permits, regardless of the vehicles model year, all IFV requirements must be met.

#### Seasonal Agricultural Permit:

Issuance of a Seasonal Agricultural permit is limited to Types 1, 1A, 7 and existing Type 8 permits. The applicable fee is 1⁄2 the annual fee listed. The permit is valid for four (4) consecutive months. An Agricultural vehicle is defined as: Any motor used and owned by a person engaged in food production (for consumption by humans) by means of the planting, cultivation and harvesting of agricultural, vegetable and food products of the soil, for the sole purpose of transporting such product.

#### Trailer Information:

Use of two trailers simultaneously married to one power unit (double bottom or twin trailers) cannot be permitted.