Battle-Tested Diesel Generators and Parts Forums Military Generator Troubleshooting D.W. Onan Sons 25 kw generator looking for any info on it

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    • #14822

      Mounted on a military trailer. Model GMWC-255 serial 25 764216 ( 25 is smaller print) ACV 25,000 W ,120-208 volt, generator model 188190 ,generator data 10165, GM truck engine #270441545 6cylinder with
      3 25/32″ bore
      only thing I’ve found is the engine is 261 cubic inch offered in 1954 by GM as a jobmaster heavy duty truck engine. Thanks

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