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RPM of 120 hp Lehman

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billgallagher

New member
"What is the cruise RPM, max R

"What is the cruise RPM, max RPM, and idle RPM of a 120hp Lehman. What's the amount of torque with the above will be great. Or a graph of the torque curve will be great.
Can the Lehman be over reved? Some diesel have a automatic limiter with RPM making it impossiable to over rev the engine....TIA

Bill"
 
"I have owned three Lehman die

"I have owned three Lehman diesels. An 80, 90, and 120. The best rpm to run the engine is at 1750 rpm. Running light I ran at 1750 and pushing a barge it was 2000. Had the Super 90 natural in my Crosby Tug and it is still running after 23 years. Mass Maritime has the tug now and they push a 40-foot barge. Good luck.

Fred
[email protected]"
 
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