... designe of air admission system and combustion system, make the engine great driving force, excellent economy, high reliability, long life-span ... transmission-mechanism separately Specification: Model:JD2110GJD3100GJD4102GType:water-cooled, 4-stroke, verticalwater-cooled,4-stroke, verticalwater-cooled,4-stroke,verticalCombustion system:direct injectiondirect injectiondirect injectionNo.of cylinders ...