Ok, we finally found the information on this engine.
It is a Ford Industrial Engine built to their Marine specifications according to the original engine registration we found from Ford.
Model Number is SSD 655 6005
Peak Torque is 263 Ft lbs at 1900 RPM at the output shaft.
Peak Horsepower is 130 at 3200 RPM - I can't imagine ever revving it that high!
Transmission Ratio is 2.47/1 which according to the marina converts 130 ft lbs to 1 million ft lbs of torque - rounding up