... 3, Easy to operate, 4,Sufficient power Walking tractor, GD-101 walking tractor, DF-12 walking tractor,DF-15walking tractor,DF- ... 18 walking tractor, power tractor1) It ... rotavator) Model of engine R192NType of engine Horizontal 4-strokeBore x strokemm92×90Total displacementL0.598Compression ratio 18:01Turing ...