: While the official manual suggested a minimum of 55 PTO horsepower , real-world veterans knew that if you wanted to maintain high production on a slope, you’d better hook it up to something with at least 75 hp .
Here is a story of its legacy, from the real-world fields of 1988 to its digital rebirth in modern farming simulations. The Legend of the "Iron Roller"
: A requirement of roughly 68–90 hp and a working speed of up to 17–20 kph .