G9220 Grader

It is equipped with electronic controlled Deutz engine with variable power and three power curves, which matches with ZF transmission perfectly and can select corresponding power mode as per load, achieving optimum performance and fuel efficiency, energy saving and high efficiency.The whole machine is designed with automatic cruise control function which enables the engine to run at any set speed, reducing the work intensity of operator.

• High-pressure gear pump and import multiple-way valve, as well as dual-pump double circuit constant displacement hydraulic system are applied, and the overall working system pressure is 21 MPa, ensuring high working efficiency.
• No-spin limited slip differential and heavy-duty roller chain drive balance box are provided to enhance the overall tractive force and the flatness of surface operated by the blade.
• Pallet type working device driven by double cylinder plus rotating valve is applied by absorbing VOLVO technology, which ensures high driving force and reliability; the blade can rotate under a load and features high working precision, being a leader in the domestic industry.
• Frame structure welded by box beam is of integrated modularized design; the rear agitator and other accessories can be accessed conveniently for removal and installation, and are independent of the transmission system such that the impact load will only be transfered to the rear frame, ensuring high reliability.
• The swing frame utilizes lubrication-free and maintenance-free composite bearing featuring small friction coefficient, high impact and wear resistance and strong reliability.
• The working device applies 7-hole linkage mechanism and electro-hydraulic cylinder locking mechanism, ensuring safe and convenient operation.
• The cab is equipped with FOPS/ROPS system, and has good sealing performance and high safety and reliability; the front field of vision is clear that front wheels and blade can be seen, facilitating operation and enhancing working precision.
• The overall electrical system applies centralized control, and 3rd-level alarm electronic monitoring system and digitized stepping instrument panel ensure good human-machine interaction and convenient inspection and maintenance.
• Auxiliary implements such as front dozer blade, front agitator, intermediate agitator, rear agitator and rear scarification rake are optionally available, and blade floating and automatic leveling system module can be installed.

Product parameter

Item Specifications
Overall working weight 16500kg
Min. turning radius 7.6 m
Max. tractive force  87 kN
Max. speed(forward/reverse) 39/25.5 km/h
Cutter size  4267×635×25 mm
LxWxH 9235×2710×3240 mm


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