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 Expert  725025

Expert in Mechanical Engineering & Design, Hydraulic Systems, Tow Trucks, Car Carriers, Auto Lifts, Trash Trks

Available for your Consulting and Expert Witness Needs

California (CA)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness Market Research

Summary of Expertise: Listed with other top experts in: 
Expert has been involved in design engineering, machine design, and manufacturing for over 40 years. This experience has included positions as chief engineer of companies producing automotive lifts, and ownership of manufacturing companies which produced truck bodies and construction equipment. The products involved were both mechanically and hydraulically actuated. Examples include tow trucks, car carriers, water truck bodies, auto lifts, clamshells, scrap grapples, loader buckets, greenwaste buckets, excavator buckets, and rock tongs. Expert was directly involved in the design of these products, in addition to the development, fabrication, installation, and servicing of these products. As a consultant, Expert has experience with projects involving trash trucks, forklifts, car haulers, towtrucks, scissor lifts, telescopic handlers, dockside lifting fixtures, compact loaders, forestry mowers, speedboat trim tabs, motorcycle lifts, vehicle parking lifts, floor jacks, trash bailers, trailer design, pipeline construction equipment, truck liftgates, hydraulic elevators, thermal analysis of hydraulic systems, and auto lifts.

design engineering


hydraulic engineering




hydraulics design


machine design


automotive lift


design for manufacturability


fluid power


hydraulic pressure


mechanical engineering

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Los Angeles, California;  San Diego, California;  Long Beach, California;  Santa Ana, California;  Anaheim, California;  Riverside, California;  Bakersfield, California;  Glendale, California;  Huntington Beach, California;  and San Bernardino, California.

Often requested
with this expert:

Hydraulics, Pneumatics, Pumps, Valves, Hydrostatic Drives...
Truck Safety and Driving and Heavy Construction Equipment
Trucking Regulations, Safety & Operations, Intermediaries,...
Commercial Vehicle Incident Reconstruction; Hazardous...

Year   Degree   Subject   Institution   Honors
1969   BS   Mechanical Engineering   Cornell University   Pi Tau Sigma honorary fraternity
1970   MS   Mechanical Engineering   Stanford University  

Work History:
Years   Employer   Department   Title   Responsibilities

2000 to 2011





Consulting Engineer


Expert is the principal in a consulting engineering firm providing services in mechanical design and engineering, hydraulic systems, truck body design, thermal modeling, stress analysis, and expert testimony in these areas, in addition to cases involving towtrucks, car carriers, car haulers, industrial equipment, trash trucks, and auto lifts.

1999 to 2000


Benwil Industries




Chief Engineer


Expert was Chief Engineer for a company which manufactured auto lifts, including in-ground lifts, two and four post above ground lifts, and mobile lifts.

1998 to 1999


Aura Systems




Senior Engineer


Expert was Senior Engineer working in development and design of variable valve control for internal combustion engines and engine-driven generators.

1995 to 1998


Wellmac Corporation





Expert was co-owner of a company which fabricated attachments for construction and demolition equipment, including scrap grapples, loader buckets, rock tongs, and clamshells.

1986 to 1995


Pro-West Industries





Expert was co-owner of a company which manufactured, installed, and serviced towtrucks, car carriers, and related accessories such as bumpers, slings, dollies, and bracketry.

1970 to 1986


TRW, Inc.



Project and Section Manager


Expert was an engineering manager in a company carrying out research, development, and design projects in energy systems, environmental control, and hazardous waste destruction.

Career Accomplishments:

ASME (American Society of Mechanical Engineers) National Academy of Forensic Engineers National Society of Professional Engineers International Fluid Power Society


Professional Engineer (Mechanical), California.

Publications and Patents Summary

He has one utility patent and one provisional patent in the field of towtruck design and has written articles in the subject areas of auto lift safety and hydraulic systems for garbage trucks.

Consulting Services:
Selected Consulting Examples:
  • As a technical expert for a legal case, he analyzed the trajectory of a part which dislodged from a towtruck and injured a client of a towing company. He testified in court in the subsequent personal injury lawsuit, and his client won this case.
  • He carried out a forensic analysis of the hydraulic and mechanical design of a car hauler tractor trailer to determine the cause of a failure which resulted in the death of the operator.
  • He analyzed the design of a two post above ground auto lift to determine the reasons for its failure and the resulting damage to a vehicle being serviced on the lift.
  • He determined the cause of a hydro-mechanical failure in a trash truck which resulted in the death of a mechanic who was repairing the truck.
  • He carried out a thermal analysis of the hydraulic system for a trash truck to determine the cause of overheating and hydraulic system failure.
Recent Client Requests:
  • Expert for consulting on hydraulic cylinder for artificial limb manufacturer.
  • Hydraulic cylinders expert for consulting on hydraulic cylinder design.
  • Expert in R&D Vision & Technology Road Map Design for hydraulic motor.pump/valve.
  • Hydraulic expert for consulting on Hydraulic system.
  • Expert in thermal analysis with Solidworks to assist with independant review.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Expert Witness Experience Summary:
Expert has served as a consultant and expert witness in over forty legal cases and insurance claims. These cases have included product performance or personal injury involving towtrucks, car carriers, car haulers, auto lifts, trash trucks, forklifts, scissor lifts, dock levelers, hydraulic elevators, trash bailers, telescopic handlers, compact loaders, forestry mowers, trench cutting machines, lift gates, trailers, speedboat trim tabs, motorcycle lifts, vehicle parking lifts, and hydraulic systems.
Recent Litigation Client Requests:
  • Expert in Hydraulics for patent case.
  • Expert for consulting on construction litigation case.
  • Expert in truck design for case involving ladder that broke off of a truck.
  • Expert for consulting on Litigation.
  • Commercial trailer design expert witness for consulting on Commercial Trailer Design.
  • Expert in Machine.
  • Expert for consulting on Hydraulic fluid spill.
  • Expert witness heavy truck california for consulting on Litigation: Garbage Truck tag axle repair - resulting in death.
  • Truck design expert for consulting on truck spill on highway.
  • Expert for consulting on ski area zip line.
  • Liftgate expert lawsuit for consulting on Liftgate.
  • Expert in Hydraulics Issue with Trench Cutter.
  • Expert in dump truck hydraulics for consulting on dump truck hydraulic system.
  • Expert in hydraulic systems for consulting on a truck hydraulic system involved in an accident.
  • Hydraulics hose expert for consulting on Hydraulic Hose Line Failure Opinion Requested.
  • Trailer design expert for consulting on trailer design issues.
  • Expert in Holdling Fixture.
  • Expert in hydraulic motorcycle lift.
  • Expert in Auto Lift Accident Case
  • Hydraulic expert for consulting in hydraulic ram failure in a rig.
  • Hydraulic cylinder expert witness for consulting on hydraulic cylinder repair.
  • Parking lift expert engineer for consulting on defective auto lift.
  • Expert witness hyrdaulic lifts for consulting on lift gate on truck.
  • Expert for consulting on on Hydraulic Lifts.
  • Expert on springs and gas struts for consulting on patent litigation related to handcapped ramps for buses.
  • Expert in hydraulics for litigation involving possible crane hydraulics failure.
  • Expert in Product liability/manufacturing design/defect of McNeilus rear-load trash trucks.
  • Expert in multi-axle trailer roll-over accident.
  • Hydraulic hose engineering expert witness for consulting on design of hydraulic hose.
  • Expert for consulting on accident involving mini-excavator imported from Japan.
  • Hydraulics system expert needed for consulting on hydraulic systems.
  • Expert in fork lift trucks for consulting on materials review.
  • Expert witness in oil and brine water for consulting on explosion of a brine water tanker.
  • Mechanical engineering and design expert for consulting on garbage truck tailgate design.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

Language Skills:
Foreign Language   Description
Spanish   He has a medium level of proficiency in the Spanish language

Market Research:
He has direct experience as the co-owner and chief executive of companies manufacturing towtrucks, car carriers, and attachments for construction and demolition equipment.

Click the green button above to contact Expert for a free initial screening call regarding your marketing research, industry research, and company research needs.  For research needs involving multiple experts or secondary research, a Research Director can be assigned to coordinate the work into a custom report for you as a potentially quicker and more cost effective alternative to doing this work yourself or hiring a boutique consultancy.  Remember, your initial screening call to speak with Expert is free.

Additional Skills and Services:

He has served as a guest lecturer on the topic of hydraulic systems in mechanical engineering at California Polytechnic Institute in Pomona CA.

Other Skills and Services

Expert is a registered Professional Engineer (Mechanical) in the State of California. He is trained in the use of Solid Works solid modeling software and has experience using Finite Element Analysis for stress studies.


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