International trucks offer a broad range of dimensions to suit various applications. The popular Regional Haul model is availed in two day cab options, including one with three sleeper configurations and plenty of room for the essentials and others with a roof fairing for better aerodynamics.
Depending on the specific model, Volvo semi-trucks come with interior heights of 61 to For sleeper cubs, drivers get mattress depths of 36 to 42 inches and mattress widths of 75 to 81 inches.
The Mack Anthem is a long-hood conventional semi-truck designed for highway hauling. It comes in either day cab or two sleeper compartments. The semi-trucks feature aerodynamic aids standards and other essentials that enhance comfort and stability on highways.
The Mack Anthem semi-trucks measures When it comes to semi-truck horsepower, figures can vary widely depending on the engine, brand, and ruck size. However, semi-trucks typically have horsepower ratings ranging between and hp, making them extremely powerful machines. The higher the horsepower, the heavier the load these machines can pull, and the better the efficiency and aerodynamics.
In the US, the maximum allowable weight on the Interstate highway system without a special permit is 80, pounds. So, if you drive a semi-truck that weighs about 36, pounds without cargo, you can pull a maximum of 44, pounds without going overweight and getting fined or having to purchase a special overweight permit.
A route surveys can cost up to several dollars per mile. Surveys are usually priced on a per-mile basis, but the rate may change from simple oversize loads to super-loads. Coordination with Utilities: On a haul of several hundred miles, there are likely to numerous utilities involved, including multiple power and telephone companies.
Expenses for ensuring no damage to these utilities varies widely, from relatively low flat rate fees, to higher fees for multiple service trucks and teams of technicians. Coordination with municipalities and railroad companies to assist in lifting or moving traffic signals.
The total for all expenses can vary widely. Some fees like administrative and engineering fees are based on the number of hours it takes the states to do the research and there is no way to determine that in advance. The cost of all fees and service charges may warrant reconsidering if the load is not truly nondivisible. The cost of breaking down the piece-if possible-may be less than the overheight permit and expenses. The use of special low-boy trailers may also reduce the height enough to eliminate some or all the cost-adding factors mentioned in Table 1.
Based on the information in Table 1, it is apparent that it is very difficult to provide an upfront estimate of what a problematic over-height haul would cost. The safest approach is to spell out the requirements to the client, and quote the price of the haul plus expenses-expenses being the cost of services provided by utilities, police safety escorts, etc.
Still, the total costs are far less than the cost of damages, fines, and lawsuits that automatically follow an overhead strike. All this added complexity also creates a serious planning challenge. Consider a haul of several hundred miles. After all the hazards have been identified, the operator must contact all the agencies involved-each power and telephone company, each municipality or other agency, each highway department, etc.
And if the weather should prevent the haul on the scheduled day, all the scheduling must be re-planned! Clearly, the first thing for any operator transporting a tall load, including heavy equipment with tall arms such excavating equipment, is to accurately determine the height above ground level for the highest point of the load. Failure to do so could result in costly damage to bridges and possible injury to other drivers, damage to the load and possibly the truck, and fines and the cost of damages.
There is an old carpenters adage: "Measure twice, cut only once. The next step, after determining that a load exceeds the legal height limit is to apply for an oversize permit with the states involved.
The permit process may require a route survey that includes the measurement of any overhead obstacles-bridges, overpasses, signs, utility lines, etc. This will ensure that the load can travel safely. Or, it may demonstrate that an alternate route is required. While this may be a time-consuming process, it is far better, and less costly than the possible consequences of striking an overpass or overhead power lines.
Once the survey is complete, the permit may still require a pilot car with a height pole. The height pole is attached to the lead pilot car and extends upward several inches higher than the measured height of the load.
Traveling two or three miles in advance of the load, if the height pole strikes an overhead obstacle, the haul can be stopped in time to avoid a damaging collision. The solution may be to move into another lane where there is more clearance, or it may require a detour around the low clearance.
Times of travel may also be restricted, either to daylight hours or to times to avoid periods of normally high traffic. The required permit will include the route description and any restrictions to travel times.
Planning and executing an overheight superload is both time consuming and expensive, but it still costs far less than taking a chance-and failing! Email: [email protected].
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