We have two models of drum mowers. One has 6.5hp engine and other has 13hp. The 6.5hp one can mow 2 acres of land with 1 liter of gasoline in one hour while 14hp one can mow 4 acres of land with 2 liters of gasoline in an hour. The machine's ease of use with its special differential and double-wheel drive exceeds world standards. Works on slopes up to %25.