Air cooled diesel engine: Model 170F /170FE178F /178FE186F /186FE186FA/186FAEBore ×Stroke(mm)70 ×5578 ×6286 ×7086 ×72Displacement(cc)211296406418Engine Speed(rpm)30003600300036003000360030003600Rated Output(kw)2.212.53.684.05.76.37.79.1Max Output(kw)2.52.84.04.46.36.88.810.0Starting SystemRecoil start/Electrical startFuel Tank Capaciyt(L)2.53.55.55.5Continuous Running Time(h)32.52.52.5Oil Capacity(L)0.81.11.651.65Power Take OffCrankshaft or Camshaft PTO rpm is 1/2)