Marine Propulsion System Configurations


Philadelphia Gear can supply main reduction gears and related equipment to suit virtually any propulsion system’s arrangement requirements.

  • 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)

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

Hybrid Electric Arrangements

Military Marine Applications
Philadelphia Gear Marine Applications

If the power transmission equipment in your plant has a leakage problem or if it fails to operate altogether, contact Philadelphia Gear to have your project reviewed by one of our engineering experts. We’ll provide a thorough inspection, and provide you with a detailed report noting our findings, recommendations, and firm gearbox repair costs. If approved, we’ll repair your gearbox in accordance to and, in most cases, beyond the specifications of the original equipment manufacturer. As a complementary service to our customers, we offer on-site rapid turnaround gearbox repair. In the field or at one of our regional service facilities, Philadelphia Gear provides the engineering solutions and comprehensive gearbox repair services your plant can rely on to run at the highest level of efficiency and productivity.

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