Robert Bendtsen Posted January 23, 2016 Share Posted January 23, 2016 I am the proud owner of a cool looking Mack Thermodyne inline gasoline 6 cylinder engine. There is no data plate. There is a brass plate on the valve cover that says "Thermodyne". There is also a large "MACK" cast into the driver side of the block. Casting numbers on the block are 239C8544 or possibly 239CB544. There are stamped numbers 732GBA2288E. These numbers are also cast into the block 3 7 3 4. It has an updraft Stromberg carb. Any help out there? Bob Bendtsen bbendtsen@aol.comwww.transmissionadapters.com Quote Link to comment Share on other sites More sharing options...
BOB DINGSDALE Posted January 23, 2016 Share Posted January 23, 2016 looks like a engine out of a LF up draft carb and air cleaner on left side of engine 510 cid I think around 150 hp Quote Link to comment Share on other sites More sharing options...
BOB DINGSDALE Posted January 23, 2016 Share Posted January 23, 2016 type is stamp in timing cover around filler spout EN510 ,EN464, etc Quote Link to comment Share on other sites More sharing options...
Robert Bendtsen Posted January 25, 2016 Author Share Posted January 25, 2016 The numbers were right where you said they would be. Thanks. It is an EN510. After that there is a 8-44. Is that the manufacturing date? During WW11? That must be a special run for a firetruck.Bob Quote Link to comment Share on other sites More sharing options...
fxfymn Posted January 25, 2016 Share Posted January 25, 2016 It is not out of a fire truck. A factory original fire truck engine is an ENF510 and would have dual ignition with 2 spark plugs per cylinder. Quote Money, sex, and fire; everybody thinks everyone else is getting more than they are! Link to comment Share on other sites More sharing options...
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