Here in San Diego or around the globe, adeptly supporting our nation’s fleet of military vessels is a great source of pride for Hawthorne Marine Power's product support team. We have the latest, most up-to-date technical expertise, tooling, and proven logistics capabilities to mobilize our operational force and provide an unparalleled level of service to the U.S. Government and Defense Contractors alike.

When Hawthorne Marine Power technicians are onboard your vessel, they each bring with them decades of Cat product support knowledge. Whether we are performing SMART Testing of your 3516B Emergency Diesel Generator or replacing a crankshaft as part of a major overhaul of your 3608 Ship’s Service Diesel Generator, there is no substitute for the experience our Hawthorne Marine Power service team brings to the table.

Under the North American Industry Classification system, Hawthorne Marine Power are classified under the following NAICS codes:

221114: Solar Electric Power Generation
332912: Fluid Power Valve and Hose Fitting Manufacturing
335311: Power, Distribution, and Specialty Transformer Manufacturing
336611: Ship Building and Repairing
423120: Motor Vehicle Supply and New Parts Merchant Wholesalers
423610: Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
423810: Construction and Mining Machinery and Equipment Merchant Wholesalers
484220: Specialized Freight
532412: Construction, Mining, and Forestry Machinery and Equipment Rental Leasing
541330: Engineering Services
811310: Commercial and Industrial Machinery and Equipment Repair and Maintenance.

We are also recognized by the American Bureau Shipping as an authorized Cat OEM Parts and Service Provider.

While we are well known for our breadth of knowledge of Caterpillar engines, what you may not know is that Hawthorne Marine Power is your source for Advanced Electrical Services. These services include, but are not limited to:

  • Infrared Thermography for power distribution system
  • Circuit Breaker Testing for primary or secondary injection
  • Circuit Breaker Cleaning
  • Generator Insulation Testing (Megger)
  • Load testing… and more!

Ask your Hawthorne Marine Product Support Sales Representative for more details.



Mike Stumpo
Marine Product Support Sales Representative
[email protected]

Amir Mahmoud
Defense Sales Manager
[email protected]

Bryan De Wit
General Service Manager - Power Systems
[email protected]


Cliff Yuen
Director of Sales and Rentals, Power Division
[email protected]


Myver Hecita
Power Systems Rental & Sales Representative
[email protected]