By: Don Voelker Originally printed in Gas Engine Magazine 2008 Roger Schuller and his four-man crew keep a 1934 125 HP Buckeye oil engine up and running. My father-in-law, John Narhwold, told me he could hear the Buckeye on his farm 8 miles from Grabill, Ind.,” says Roger Schuller, current owner of the 125 HP…