1 . Power system : using YC6J175 power , in line with the national three mission standards , strong power , strong weather resistance 2 . Gearbox : It adopts the enhanced automatic shift gearbox independently developed by Heli , which is reliable , safe and easy to maintain ; 3 . Adopt heavy-duty drive axle to meet the demands of continuous operation under severe working conditions 4 . Hydraulic system : adopt Italian company hydraulic system , high effciency and energy saving 5 . Braking system : The caliper disc brake system adopts air-over oil technology , which is safe and reliable 6 . High-strength structural parts : the frame structure of high-strength plates and box-shaped design is adopted , which is more durable 7 . Large maintenance space : Turn over style hood to fully release the ternal maintenance space