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About Us
In 1969, L.B. Philippi and LeRoy Hagenbuch formed Philippi-Hagenbuch, Inc. (PHIL) with a vision of enhancing the productivity of off-highway trucks.

Our signature product is the Autogate® Tailgate, the first commercially successful tailgate ever produced for off-highway rear dump trucks. Over the years, our product line has grown to include Specialty Truck Bodies, Rear Eject Bodies, Bottom Dump Trailers, Water Tanks, Load Ejectors, Container Handling Systems and other attachments.

As a premier supplier of off-highway haulage systems, we continue to expand our product offering by creating innovative products designed to help the haulage of materials be as efficient and profitable as possible, day-in and day-out.

Our engineering and manufacturing capabilities, extensive product testing and product support all reinforce the Philippi-Hagenbuch, Inc. commitment to quality manufactured products for mining, quarry, construction, waste and power plant customers around the world.

We encourage you to look to us for solutions to your off-road haulage needs and concerns. No challenge is too large or too small.
Meet The President

LeRoy Hagenbuch is the co-founder and President of Philippi-Hagenbuch. LeRoy is a Registered Professional Engineer and 1966 University of Illinois graduate.

By working with our design and production departments, LeRoy focuses on off-highway haulage systems specific to customers’ needs. This emphasis on engineered customer solutions led to the motto “Helping You Move Mountains”.

LeRoy is responsible for the development of over 40 U.S. and corresponding foreign patents.

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