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A customer recently brought in a new 2014 C/K 2500 HD pickup box delete chassis-cab and asked us to install a service body with a corner-mounted crane. We have done the calculations to ensure the finished work truck...

We’re a truck equipment distributor, and occasionally a dealer or customer will ask us to remove the cargo box from the pickup and upfit the truck with a commercial body. The body could be for service/utility, platform...

We are a truck equipment distributor and have heard that there are some changes to the early warning reporting requirements that may impact our company. We have not been able to connect with the National Highway Traffic...

We have been told that when welding on a new chassis, we need to disconnect many electronic control modules, including the instrument cluster, to prevent damage from voltage spikes. How do we find out what each chassis...

We’re a truck equipment distributor and have noticed that on medium- and heavy-duty trucks, the GVWR is normally equal to the sum of the axle ratings. However, for lighter duty trucks, the GVWR is less than the sum of...

We are a truck equipment distributor, and we have noticed the term unloaded vehicle weight mentioned a number of times in body builder books and, especially, in the incomplete vehicle documents. What is so important...

We are an upfitter and want to make sure we’re installing our bodies correctly. Are there any resources available to upfitters that offer information on body mounts?

We are an upfitter, and some of our customers bring used chassis on which to install new truck bodies and equipment. These customers are asking us to certify the used vehicle because we installed a new body. Do we need...

We are a truck equipment distributor and routinely get requests from our customers to install strobe lights. What are the requirements regarding these types of lights?

Are there any federal regulations for mud flaps, splash guards, fenders or any other devices that are mounted behind the rear-most wheel of the vehicle?