General Information Maximum load . #2 Axle and Axle Group Limits. Legal tandem weight on tractor semi-trailer combinations on state highways is 40,680 pounds as provided in O.C.G.A. 1 Length limit may only be increased with a permit if the vehicle combination complies with the permit requirements both with and without a load. PDF Bridge Weight Limits for Emergency Vehicles - 3,500-lb Axles: 2-3/8 inch diameter. 0. Every open road in the US is regulated by constraints in regards to oversize/overweight commercial trucks both by federal and state laws, even down to municipal in some cases. The picture above shows a Mack 6×4 rigid truck, which has had 2 Pusher axles added, to create a 5-axle rigid. Compilation of Existing State Truck Size and Weight Limit ... PDF Axle weights and load distribution 34,000 lbs drive and tandem axles. Weight 4. Gross Weight Limit. If a tri-drive prime mover is utilised, along with tri-axle dollies, weights can reach nearly 170 t (167 long tons; 187 short tons). 12.000 on the steer axle, 34000 on the drive axles and 34.000 on the trailer tandems. (3) On any two or more consecutive axles, the maximum weight as determined by application of the formula provided in division (C) of this section. A vehicle is overloaded if it exceeds the plated weight limits. Scaling A Tractor Trailer | High Road Online CDL Training Gross Vehicle Weight Limits: See Weight Calculator: Cannot exceed the sum of the maximum legal axle weights to a maximum of 53,500 kg. Single axle - 20,000 pounds. The 24-ton axle weight limit is for vehicles with more than a tandem axle rear drive and one pusher or tag axle. 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. 40t for transport of go ods (b) Limits.- Country Weight per non-drive axles Weight per drive axle Tractor 2 . Axle Logistics Mc Number : Detailed Login Instructions ... How much weight can a Single Axle semi truck Pull? Permissible Weight Table. A vehicle may not exceed a single axle weight of 20,000 pounds or a tandem axle weight of 34,000 pounds. A tandem axle has a maximum weight limit of 34,000 pounds, and the gross vehicle weight limit is 80,000 pounds. Maximum allowed axle loads | The RV Forum Community Truck Axle Weight Distribution on a 53' Trailer ... The legal weight limits for each set of axles is: Steer axle varies by state. For more information and exceptions to the above weight limits: Maximum gross weight exceptions; Additional resources and information is available at the following links. You can be over any axle (not just steer), and/or over gross, with the 400 or 550 being the limit for gross or axle. • 33,500 pounds on a single drive axle • 62,000 pounds on a tandem axle • 52,000 pounds on a tandem rear drive axle Because these weight limits are higher than those in place for standard commercial vehicles, some bridges without standard weight limit postings will now need EV-specific weight restrictions. Weight per non-drive axle Weight per drive axle Lorry 2 axles Lorry 3 axles Road Train 4 axles Road Train 5 axles and + Articulated Vehicle 5 axles and + Albania 10 11.5 (3) 18 26 (2) 36 40 44 Armenia 10 10 18 22 36 (19) 36 (19) 36 (19) Austria 10 11.5 18 26 36 40 / 44 (10) 40 / 44 (10) Azerbaijan 10 10 18 24 36 42 44 The maximum authorised weight of 32,000kg therefore applies. #1. Axle Weight - The axle weight limitation applies to the maximum amount of weight that can rest on each axel of your truck. B. Sep 13, 2008. Hope this helps a bit, Will . Steers are not necessarily limited to 12k. Tandem Weight - This is the maximum amount of weight allowed on your tandem axles when they are between 40" and 60" from one another. Must have road friendly suspension. Thus, the max is 34,000. weight limit caps on the second trailer of A and C train double trailer combinations were removed and replaced by the requirement that the weight of the tractor drive axles + the weight of the lead trailer axles must be greater than the weight of the second trailer. All this to keep lateral friction utilization down to acceptable levels. The steering axle weight for a truck tractor is capped at 6,000 kg. Requests for more than 15,000 pounds on steer axle have to go to bridge engineering for approval, taking an extra day or two. Axles in the axle groups are almost always given a lower weight per axle than if they were single axles, e.g. Tandem axles: Weight limit 34,000 pounds. 35550) 20,000 pounds maximum on a steering axle. * Vehicles that comply with Front Under-run Protection Systems (FUPS) requirements, cabin strength requirements, and the Australian Design Rule (ADR) 80/01 are permitted an additional 500kg on a single steer axle and the gross mass limit. on 11 Axles 154,000 Pounds vs. 160,000 Pounds on the Highway One multi-axle Michigan truck is equivalent to two national standard trucks, but the axle loadings are much less. 34,000 for the drive axles. As you pull onto the scale make sure that your truck is in position 1.Position 1: Your steer axle should be positioned on platform 1 and your drive axle on platform 2.Position 2: The trailer axle of your first trailer would be on platform 1, front axle . S. INGLE . They also protect the equipment from damage caused by overloading. In the United States, your axle weight limits are: 80,000 lbs total gross weight. SAFER Web - Company Snapshot AXLE LOGISTICS INC great safer.fmcsa.dot.gov. If you could get 48 feet between the center of the first drive axle and the center of the last trailer tandem axle, the formula would calculate the weight as . 34,000 pounds on a tandem, and. MACK E-6 , Feb 17, 2008 MACK E-6 , Feb 17, 2008 34,000 for the trailer tandems. W=500 [(LN/(N-1)) +12N+36], Where: You can also tell the weight capacity of the axle by measuring the diameter of the axle. List of Commercial Truck Axle Weight Limits by State March 17, 2020 The reason that axle legal weights are significant for commercial trucks is that both state and federal authorities are concerned about the safety of truckers, other motorists, and the roads they drive on as well. Technically speaking, legal axle weight in most areas is 34,000 pounds, but a little work with your calculator will quickly reveal that 34,000 + 34,000 + 12,500 equals 80,500 pounds, which is 500 pounds over the maximum gross weight. Oversize Weigh. (b) The gross weight limit for any one wheel, or wheels, shall not apply to vehicles with loads of livestock. Mexico's axle weight limits are 11 tonnes (24,255 pounds) on single drive axles, 10 tonnes (36,287 kg) but that weight must be distributed evenly over several axles or axle groups. Load limits of axles. Steer Axle - 15,000 (With minimum spacing of 15′ steer to first drive axle). And limited to a maximum wheel weight of eight hundred (800) pounds per inch width of the tire measured between the flanges of the rim, or a maximum axle weight of eighteen thousand (18,000) pounds. The maximum gross weight of any vehicle falling into these categories is 24 tons, or 48,000 pounds. See Table II C. See Table II D. Gross weight of 72,000 lbs., provided the weight shall not exceed 20,000 lbs on a single axle or 34,000 lbs on a tandem. Bthombs, have him back up to the drive, and keep the rear axle off the drive(10k to 15k lbs axle weight). scribe axle weight limits as a function of axle configura-tion and number of tires, thereby establishing an effective limit on tire loads. The formula 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 or the power unit to the last trailing axle of the trailer. These regulations can prohibit the effective use of super single tires in Mexico which may be permitted in Texas. the following is a simple guide for maximum axle load limits that is not intended for legal purposes. Axle groups with an axle spacing over 10 feet mounted to a common frame must be steerable. The maximum weight on an individual axle of a tandem axle group is sixteen thousand (16,000) pounds for each axle. Quote From The CDL Manual: Weight. Single-Axle Weight—The total weight on one or more axles whose centers are spaced not more than 40 inches apart. § 24-108. per 5-axle rig are: 12,000 lbs. On non-Interstate highways, maximum weight limits are graduated per the number of axles a vehicle has: two-axle vehicles are limited to 34,000 lbs., three-axle vehicles are limited to 54,000 lbs., four-axle vehicles (and single-unit five axle vehicles) are limited to 69,000 lbs., five or more axles are limited to 80,000 lbs., and a combination . Axle weight limits by State Axle Weight Limits Calculator By State Steer, Drive . With the right configuration, it is possible to be over gross weight but not over on any axles, such as with a 40k trailer axle limit, 34k drive, and 20k steer. Dumping on the drive should be alright. L is the distance in feet between outer axles of any two cosecutive axle combinations, and N is the number of axles. In addition to Bridge Formula weight limits, Federal law states that single axles are limited to 20,000 pounds, and axles spaced more than 40 inches and not more than . (12) Licensed by state Motor Road service of Ukraine 5 axle + limit is 46 t. (13) 6 x Tractor Wheel Base (in m) capped at 26 tonnes. Gross Weight - Maximum allowable weight for trucks on U.S. Interstate highways is 80,000lbs, including tractor weight, chassis and container weight,and cargo weight. Similarly, HTA Regulation 413/05 - Vehicle Weights and Dimensions Do not use replacement tires with lower load carrying capacities than the tires that were original equipment on the vehicle because this will lower the vehicle's . its axles, on its gross weight and on its train weight. 20,000 lbs. Besides the steer axle, the drive axle and the trailer tandem axle are scaled as a set. The max gross weight of a shipment with a tractor trailer combination is 80,000 lbs. Front and rear axles have individual gross axle weight ratings [source: Ford Motor Company]. As with a split-axle trailer, weighing an oversized load will also require you to move your truck during the weighing process. A truck may be designed to carry 80,000 lb. States also have as mentioned axle weight limits. (per CVC Sec. The maximum weight a single axle can pull is 20,000 pounds. (11) Switzerland enforce a minimum drive axle load limit of 25% of the Gross Train Weight to ensure traction. In addition to Bridge Formula weight limits, Federal law states that single axles are limited to 20,000 pounds, and axles spaced more than 40 inches and not more than 96 inches apart (tandem axles) are limited to 34,000 pounds. The techs can adjust the load on the tag axle to redistribute weight but, whatever they do, it either puts the front axle over weight or the drive axle is overloaded. From what I've figured out the psi of the gravel on the drive is on average less than 5 psi. This is not a steer axle exemption, it is a total weight exemption. A vehicle's axles should never be loaded beyond the manufacturer's listed GAWR. The drive axles, often on the tractor but occasionally fitted to the rear of heavy-duty trailer setups, can support 34,000 lbs., as long as they are in a tandem setup (two axles no more than five feet apart). Here is a list that will show the axle weight capacity based on the axle diameter: Typical Axle Diameters Based on Axle Capacity. Axle groups with an axle spacing over 10 feet mounted to a common frame must be steerable. Texas will permit a single axle limit of 25,000 lbs on a single axle so long as the manufacturer's ratings (GAWR) allow it. A two-axle rigid motor vehicle with a 2.5-metre axle spread would be limited to 2.5 x 6,000 = 15,000kg. Every state has limits for a max single axle and each axle group weights. The maximum amount of weight per axle is set at 20,000 lbs. With a few exceptions in the US it's 80,000 pounds. Until 1982, Federal law set only upper limits (or ceilings) on Interstate System weight limits. (12) Licensed by state Motor Road service of Ukraine 5 axle + limit is 46 t. (13) 6 x Tractor Wheel Base (in m) capped at 26 tonnes. Gross - 80,000 pounds maximum. When I checked on a base plate the rating was 33,000 lbs. An example is the state of Texas. 32-6-26 (j). They limits vary state to state or province, also goes by lowest rated component be it tire or axle. (a) The gross weight on any one axle shall not exceed 20,000 pounds, and the gross weight upon any one wheel, or wheels, supporting one end of an axle, shall not exceed 10,500 pounds. Weight. a single axle in texas can carry 25,000 pounds, but a tandem (two axles in a group) can only carry 46,000 pounds, so 23,000 per individual axle in that tandem. Legal tandem weight limit on all trucks is 37,340 pounds, i.e., any two or more axles within 216 inches on the unit, not including steering axle. As shown in the picture below, to assure that the weight is distributed correctly inside the trailer, it needs to be spread on all three types of axles while not exceeding the max gross weight limit of 80,000 lbs. The Federal single-axle weight limit on the Interstate System is 20,000 pounds. Up to 80,000 pounds of total weight on a 5-axle combination, depending upon axle spacing. There is no specific mass limit for the steering axles, but other vehicle design constraints result in an effec - tive mass limit of 8 tonnes. 34,000 for the trailer tandems. Parts VII and VIII of the Act are included as Chapters 6 of this guide book. For more information regarding Maximum Permit Weights on axle groups, view California Weight Charts. Legal axle weight limit is 20,340 pounds. - 1,000-lb - 2,000-lb Axles: 1-1/2 inch - 1-3/4 inch diameter. The weight of the second trailer must not exceed the weight of the tractor drive axle(s) plus the weight of the axle(s) on the first semitrailer. on 10 Axles One Michigan Multi-axle Truck Combination 154,000 lbs. Should you have questions about weight limits, please call our hotline at (800) 682-4682. For more information regarding Maximum Permit Weights on axle groups, view California Weight Charts. Each part of the combination must have . 26t is only allowed if the drive axle is equipped with air suspension; otherwise the weight limit is 25t 2. 160,000 lbs. How much weight can you have on your drive axle? Axle Weight - Allowable gross weight on a single or set of axles is regulated by individual states. A safe axle weight is 12,500 pounds on the front-steer axle and 33,000 on the drive- and tandem- (trailer) axles. E. See Table II F. See Note 2 below. Therefore, some vehicles cannot be loaded to the maximum allowable gross weight because the tandem axle or single axle weights would exceed legal weight limits. The maximum legal axle weight allowed on a highway:-Single Axle 9 100 kg, any one axle of a Tridem or Tandem Axle Group 9 100 kg. They are scaled as a set and the weight limits you'll be shooting for are as shown in figure 3 to the left. * This requirement does not thapply to semitrailers manufactured before September 9 , 1986. Tag Axle Weight Drive Axle Weight Front Axle Weight Tare Weight Door Count 38 MCI 2000 D4500 45 High 6000 102 136 48,000 12,000 22,500 15,650 36,500 1 39 MCI 2003 D4500 45 High 6050 102 136 48,000 12,000 22,500 16,000 37,000 1 46 NABI 1998 416.09.0002 40 High 3000 102 127 40,000 N/A 26,000 14,600 28,700 2 The difference axle weight between adjacent axles 1 000 kg maximum; the gross weight on the steering axle of an all-wheel-drive three axle truck is 7 500 kg maximum.