Agri-Fab 45-0288 175-Pound Max Tow Behind Drop Spreader, Black Hopper capacity is 17-gallons (dry)/175-pounds 40,000-square feet coverage; roughly 1 acre Rustproof poly hopper increases product life 42-inch controlled spread width Premium galvanized steel agitator improves durability; pneumatic tires allow for smooth transport, 3 Year Limited Consumer Warranty