Commercial Autos, Trucks and Business Auto Rating

Plastic Toy Trucks

Most business administrators understand how a commercial auto insurer calculates the premiums it charges for auto liability and physical damage coverages, noting that there are certain variables in determining the rates charged for automobiles used for commercial business purposes. Most insurers follow the commercial business auto rating procedures established by the Insurance Services Office (ISO). The following is a summary of just what factors come into play when deciding what rates to apply.

 

Ratings by territory

 

Rating territories reflect differences in risk, which is why the rates in one territory may be higher or lower than those charged in another. Insurers, or rating agencies, will most likely divide states into subdivisions, which are called rating territories. These rating territories differ from each other based on particular characteristics. For example, one territory may be in large part rural, while another is considered metropolitan. Similarly, rates will also differ for a territory that is located near a coastline, as opposed to another territory that is located inland.

 

Fleet versus non-fleet rates

 

Under most commercial auto policies, vehicles rates are subject to either fleet or non-fleet status. In most scenarios, the fleet rates will be typically lower than non-fleet rates. A fleet normally consists of five or more “self-propelled” autos. Because a trailer is not self-propelled they are not a determining factor.

 

Size class another determining factor

 

The two basic types of vehicles used for business are private passenger cars and trucks, which includes tractors and trailers. Vehicles in the latter category are subdivided into size classes based on gross vehicle weight (GVW), which is simply the weight of the truck when loaded to its capacity with both, people and cargo.

 

Depending on its GVW or gross combination weight (GCW), a truck might be classed as light, medium, heavy or extra-heavy. For example, a small pick-up truck is generally classified as a light truck, while a large moving or freight truck, will be classified as an extra-heavy truck. The table below shows how the trucks weight determines its class:

 

Size Class Gross Vehicle Weight (GVW)
Light Truck Up to 10,000 lbs
Medium Truck 10,001 to 20,000
Heavy Truck 20,001 to 45,000
Extra Heavy Truck Over 45,000
Heavy Truck-Tractor Up to 45,000 (GCW)
Extra Heavy Truck-Tractor Over 45,000 (GCW)

 

The uses of the vehicles, as well as the radius (miles traveled on a daily basis), are two more factors ratings agencies use for deciding what rates may apply. Business auto rating is a very complex process, but it is perhaps the best way to decide on the proper rates to charge based on vehicle class and usage.

 

photo credit: Horia Varlan cc
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