I have additional information:
Engine mass: 490 kg = 1080.265 lb
Engine speed: 1000 rpm
and I can also locate the masses of the pistons, rods, crank and flywheels individually if needed. This engine was shipped with four, two-foot long, "J" bolts to be wired into the rebar and cast into the...
http://rich-misty.info/Rich/lab/DSCN0046.jpg
This is a two cylinder, 20 HP, vertical diesel flywheel engine for a physics lab power supply. It is a modified clone based on the venerable Lister design.
I am much more an electrical engineer than a geotechnical engineer and I sure could use...
