Posted 1/17/2025 19:49 (#11060372 - in reply to #11060180) Subject: RE: 1 of a kind 7700
central IL
This Cummins 555 is governed to run at 2500, same as the factory JD engines in a 1970 7700. Because of the odd-ball tach drive gearing in a 555, the engine tach reads 1875 at full throttle & full load, but engine is turning 2500.
1 of a kind 7700
