... cooled, 4stroke 2) 4HP, 6.5HP &10HP direct-injection fuel combustion system, 3) CE, EPA CERTIFIED diesel enginesingle-cylinder, Vertical, four-stroke, direct-injection ... InjectionBore X Stroke (mm)70X5578X6286X7086 X72Displacement (cc)211296406418Engine Speed (r/min)30003600300036003000360030003600Continuous Output (kW)2.5(3.35HP)2.8(3.8HP)3.7 ...