"Integrity is the essence of everything successful."

Richard Buckminister Fuller

Transportation Engineering Services

Proof Engineering can assist you in many specialty vehicle applications. We'll ensure that the designs are robust, economical, and safe through our experience with federal motor vehicle safety standards. Our experience comes from years of working in the automotive industry on cutting edge technology and retrofitting of existing platforms with new products.

• Crash simulation (front, rear, side impact by FEA)
• 3D CAD design of components and systems
• Prototype builds
• Coordination and overseeing of physical testing (static and dynamic)
• Reliability studies
• Weight optimization

• Design for 6 sigma

• Design for FMVSS requirements

• Shock and vibration isolation

• Crew protection

• Airbag simulation

• ADA compliance

• Transfer seat design

• Road loads and vehicle dynamics

• Mechanism design

• Expert witness FEA support



• Military and passenger vehicle seats
• Helicopter and aircraft seats

• Specialty vehicles (military and consumer)
• Wheelchair lifts
• Custom chassis
• Heavy truck cabins
• Suspension systems
• Components

• Custom trailers for mining equipment
• Trailers for military applications
• Mobile equipment for commercial applications
• Military vehicle attachments
• Farm equipment

Featured Projects

Wheelchair and Scooter Accessible Van



We have

  • Handicap accessible van conversions
  • Concept vehicles and motorcycles
  • Specialized equipment transport
  • Rooftop-mounted machinery/equipment
  • Specialty lifting or hoisting devices
  • Military vehicle modifications
  • Mobile washing vehicles
  • People movers
  • Road trains
  • Trams and shuttles
  • Armor protection
  • Custom chassis
  • Suspension development
  • Truck cabins


Client Testimonials

Worldwide Laser CEO:


The excellent design and build capabilities of Proof Engineering coupled with outstanding delivery times and completion of projects ahead of schedule have greatly reduced our costs, increased levels of service and quality to our customers along with freeing internal resources allowing us to concentrate on expanding our business. I highly recommend the experts at Proof Engineering for your project requirements.

Home | Structural |Mechanical |CAD| New Product Development | Prototyping

Proof Engineering Co. | 1135 N. McQueen Rd. Suite 131 Gilbert, AZ 85233 | (480) 478-0041