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Heil Trailer has been our petroleum tanker of choice exclusively since 1994. We utilize over 94 Heil Trailer tankers to service our Midwestern convenience stores. In our opinion, their reliability and competitive pricing make Heil second to none in the petroleum tanker industry. I would recommend Heil Trailer petroleum tankers to anyone seeking to run a quality dependable fleet.Jay Blair, V.P. Transportation Distribution, Casey’s General Stores, Inc.
Question: Would it be feasible and/or economical to convert a DOT 407 trailer to DOT 412 for hauling hydrochloric acid? Dirk

Answer: Thanks for the question Dirk! No, you cannot turn a 407 into a 412 certification. A 412 trailer has to be built to that certification; it must be built to ASME code and carry a U-Stamp on the plate. Unlike the 407, all material that goes into the 412 vessel must have papers certifying it meets the proper specifications. The trailer must also be rubber lined to handle hydrochloric acid. Even though some of these trailers are aluminum, the majority of them are made of steel.

Brady Trucking has been in the Dry Bulk industry for over 30 years. We have found Heil Trailer's products to be durable and well built. We work in the oilfield, and conditions there can be very tough. We have found that Heil's trailers stand up to the demands of our job very well. Heil Trailer is one of our top choice trailers.Larry E. Brady, President & CEO, Brady Trucking, Inc
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