MAIN REDUCTION GEAR EXPERTISE FOR THE U.S. NAVY'S FLEET

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We keep U.S. Navy fleets up and running, so naval crews can focus on protecting our nation’s shores. Backed by over 130 years of experience, we leverage specialized equipment and facilities to design and manufacture gears — as well as provide aftermarket parts, repairs, and on-ship technical service — specifically for naval vessels.

Philadelphia Gear® is proud to be the chosen main reduction gear supplier for U.S. Navy ship classes including the USS Arleigh Burke – DDG-51, USS San Antonio – LPD-17, USS Constellation – FFG-62, USS America – LHA-6, and USS Doris Miller – CVN-78. We’ve also been chosen to supply main reduction gears for foreign navies. Explore our full naval history and capabilities by visiting our Knowledge Center.

COMPLETE SUPPORT FOR ANY PROPULSION SYSTEM CONFIGURATION

  • CODAG – Combined Diesel and Gas (together or separately)
  • CODOG – Combined Diesel and Gas (one or the other)
  • COSAG – Combined Steam and Gas (together or separately)
  • CODAD – Combined Diesel and Diesel (together or separately)
  • CODOD – Combined Diesel or Diesel (one or the other)
  • COGAG – Combined Gas and Gas (together or separately)
  • CODELAD – Combined Diesel Electric and Diesel (together or separately)
  • CODELOD – Combined Diesel Electric or Diesel (one or the other)
  • CODELAG – Combined Diesel Electric and Gas (together or separately)
  • CODELOG – Combined Diesel Electric or Gas (one or the other)

CO = Combined
D = Diesel
G = Gas Turbine
EL= Electric Motor
O = Or (but not both at the same time)
A = And (together at the same time, or separately)

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PROVEN SOLUTIONS FOR YOUR COMPLETE DRIVETRAIN SYSTEM

Philadelphia Gear operates at the core of critical applications, providing a complete range of custom-engineered products and services to keep operations running reliably.

  • 1
    Gearbox repair
  • 2
    New and replacement gearboxes
  • 3
    Gearbox replacement parts
  • 4
    Onsite technical services
  • 5
    Drivetrain solutions

1 Gearbox repair

Any gear brand. Any time. Discover our world-class inspection, overhaul, and upgrade services.

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2 New and replacement gearboxes

Prevent unplanned downtime with advanced engineering and design processes backed by over a century of manufacturing expertise.

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3 Gearbox replacement parts

Save time and eliminate worry knowing your parts are built to exacting OEM specifications, operating as well as, or better than, the originals.

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4 Onsite technical services

Focus on your core business – our experts come to your location. Explore gearbox installation, repair, alignment, emergency services, and more.

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5 Drivetrain solutions

As part of Timken Power Systems, we deliver a complete suite of electromechanical products and services from one trusted source.

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KEEP YOUR MAIN REDUCTION GEARS RUNNING SMOOTHLY. CONTACT PHILADELPHIA GEAR TODAY.

We’re standing by to help with your most complex military marine projects. Connect with one of our expert specialists today.

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KEEP YOUR MAIN REDUCTION GEARS RUNNING SMOOTHLY.  CONTACT PHILADELPHIA GEAR TODAY.
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