800 gallons in 4 tanks, but I usually only fill to about 600 gallons. Unless I find a really good deal on fuel!
Fuel burn 3.6GPH at 1600 RPM, which usually gives me 7.2-7.5 knots. 1800 RPM will give me 8.5 knots, but burn rate goes up to 5GPH. I keep it slow, I am no hurry to get to the next...