... )High reliability 3)Low fuel consumption 4)Good quality Weifang series 4100D 4100ZD diesel engineconvenient operation,reasonable priceslow noise levelprofessional test ... ,6100D,6100ZD,6100AZLD,6100IZLDPrime output 30.1kwRated speed 1500r/minCylinder -bore&stroke 4-100X115mmType water-cooled,inline,4 stokes,direct injection ...