( 1 ) Power system : Xichai or Cummins engine is adopted , which meets theGB3 / European Ill emission standards , has strong power and strong weather resistance ( 2 ) Gearbox : It adopts the enhanced intelligent automatic shift gearbox independently developed by Heli , which can shift smoothly without impact and extend the service life of the gearbox ( 3 ) Drive axle : special heavy-duty drive axle for forklifts . The axle housing has high strength , large carrying capacity , strong anti-pollution ability ,good heat dissipation , stable and reliable braking , and has good performance and cost-effectiveness ( 4 ) Hydraulic system : adopts load sensing hydraulic technology with reliable performance ( 5 ) Braking system : the caliper disc brake system adopts air-over oil technology , which is safe , reliable and convenient to maintain ( 6 ) high-strength structural parts : the frame structure with high-strength plates and box-shaped design is more durable , especially suitable for there liability and robustness requirements of the stone market and the rental market ( 7 ) The suspension vibration isolation design between the power transmission system and the frame and the mast is adopted to reduce vibration and noise ( 8 ) Lightweight design to reduce the weight of the entire truck and reduce energy consumption ( 9 ) open-type engine hood to ensure fast and efficient maintenance