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We are an upfitter, and were asked to install a new truck body and equipment on a customer’s used truck chassis. We were told we need to certify the used vehicle because we installed a new body. Do we have to certify a...

We are a truck equipment upfitter that sells and installs elevating tailgates on straight trucks. Recently, a customer who owns a straight truck with a van body and liftgate was issued a citation by a motor carrier...

We are an upfitter, and one of our customers is a large municipality that operates and maintains a fleet of commercial trucks. They often buy new incomplete chassis-cabs from a local dealer to swap underneath a used...

Many work truck upfitters understand that as motor vehicle assemblers, they are considered manufacturers by NHTSA under vehicle certification regulations (49 CFR Part 566). Additionally, they know they are responsible as...

A customer who traditionally used a Class 3 truck — 10,001 to 14,000-pound GVWR — is now interested in a vehicle with a GVWR less than 10,000 pounds, while still carrying the same payload used in the Class 3 truck. As an...

We are a truck equipment distributor preparing for snowplow installations on pickups. Can you explain the associated certification requirements?

As an upfitter that regularly installs snowplows, we follow chassis manufacturer requirements for the vehicle and consult our plow supplier application chart. We noticed our snowplow manufacturer requires ballast for the...

Which Department of Transportation standard or regulation requires the installation of back-up alarms?

Pickup box removal enables upfitters to modify by removing the existing pickup box and installing a variety of work truck bodies, such as flatbeds, service and catering bodies, etc. Ford, GM and Ram are the only OEMs...

We are an upfitter experiencing regular issues handling newer chassis electrical systems, especially with lighting flashing too fast or working for a little while and then stopping. As these problems consistently occur...