... . DF type 2. 121.151,181 DF walking tractor Model of Power TillerDF121DF151Structureweight kgwithout rotavator360350With rotavator465455Working Weight (with rotavator) ... .4, 2.5, 4.1, 5.3, 9.4, 15.3Reverse1.1, 3.81.1, 3.8Tyre Size6.00-126. ... speed of crankshaft RPM200020001-hour rated output kW/hp9.30/12.6510.50/14.3012-hour rated output kW/hp8.30 ...