Abstract: The 3GW-30 high range sprayer-mobile is an efficient ant manoeuverable machine for plant protection. The high-range stream makes it suitable for protecting high trees from disease and pests along the roads and streets or in the shelterbelt park and scenic spot. The equipment is fitted with a power take-off from a common truck to drive spraying and operating units. Simple structure, reasonable transmission and cheapness are the features of the machine