About Stahl Engineering & Failure Analysis—

Stahl Engineering & Failure Analysis, LLC was founded in 2009 by engineers with specialized understanding in both the design engineering and operational aspects of commercial vehicles and equipment.


We have an in-depth working knowledge of:

  • product failure analysis investigation

  • claims

  • litigation processes 

Our work is focused on:

  • Commercial Vehicles (straight trucks, truck tractors, semi-trailers, school buses, commercial buses, step/package vans, and motor homes/RVs powered by diesel, gasoline, natural gas, or hybrid power)

  • Truck Equipment mounted on truck chassis (dump bodies, cement mixers, aerial platforms, drilling rigs, vacuum  bodies, etc.)

  • Heavy Mobile Equipment (transport and processing equipment used in excavating, mining, construction, agricultural, and other usage)

  • Industrial Equipment (stationary processing and transporting machinery)

  • Non-mobile Product Liability


We have been directly involved in:

  • design

  • supplier procurement

  • marketing

  • specification

  • multi-stage manufacture

  • after-market modification

  • usage

  • operation

  • warranty service

  • preventative maintenance

  • recall determination and repairs

  • failure analysis aspects 


This wide knowledge allows us to understand and appreciate the potential involvement of all aspects of the product cycle on potential product liability in our investigations.


We have decades of experience as corporate representatives of International Truck/Navistar:

  • investigating

  • reporting and testifying


We have often seen other professionals, without sufficient information and knowledge of the products and systems involved in an accident/fire/incident misinterpret and incorrectly analyze the forensic evidence available.   We have the advantage of extensive product and systems knowledge and experience in conducting our forensic engineering failure analysis and fire investigations to determine the root cause, and to also understand the influence and effects of multiple systems to determine true root cause and influencing factors in commercial vehicles and equipment.

Professional Affiliations:

ASM International

Technology & Maintenance Council

American Trucking Association

International Association of Arson Investigators

American Society of Mechanical Engineers

Nat'l Assn of Fire Investigators

National Fire Protection Association

The Minerals, Metals, and Materials Society

SAE International (formerly Society of Automotive Engineers

Forensic Engineering & Fire Investigation

Commercial Vehicles & Equipment

Product Liability - Design and Life-Cycle Expertise

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Centrally located in Fort Wayne, Indiana - 

providing services throughout the

United States, Canada, Mexico, and beyond.

Services provided in both English and Spanish.


© 2009-2020 Stahl Engineering & Failure Analysis, LLC