Self-propelled articulated motor grader is suitable for large-scale land leveling in foundation constructions. It can be used for ditching,grading, slope scraping, bulldozing,ripping,virgin land scarifying and snow-removing etc., which is modernized
construction equipment of multi –functions and high-efficiency for high-class highway, railway, airport, harbors, dams, industrialground and farmland.
 
Main Features
▲Power configuration is Cummins or Shanghai Diese Engine inter-cooling supercharged diesel endine with strong power and reliable performance.
▲Torque converter and power-shift gearbox introduced from GERMANY ZF inc. are integrated together Six forward gears and three backward gears meet various requirements during machine’s working and transporting.
▲Driving axle with integrated free-wheel anti-slip differential and strong roller chain drive tandem case, Boxed oscillated steering front axle with leaned wheels.
▲Popular working mechanism with pendulum-arm connecting rod structure,Standard equipped free-maintenance rolling-plarecircle device. Double cylinders of the blade tip control can adjust the cutting angle depending on soil quality.
▲Flexible hydraulic control system with two sets of HUSCO five way control valve, lmported hydraulic equalizing valve for the bladelifting,Patent hydraulically-operated pin drawing device is designed firstly in board.
▲Steering system with center articulated joint and tilting turning front wheels can get offset travel of the entire machine.
▲Service braking system of,caliper disc brakes on four rear wheels and mechanical internal expanding parking brake let.
▲Hydraulically operated with with entire instrumental monitoring system, Free-maintenance OPTIMA.
▲It is optional for front bulldozing plate and rear ripper. 
 
Main Technical Parameters

MODEL    PY220C
Operating mass Kg 16900
Front axle load Kg 5820
Rear axle load Kg 11080
Max forward speed Km/h 36.8
Max
backward speed
Km/h 24.8
Speed gear number   F6/R3
Turning radius mm 7800
Hydraulic
system pressure
Mpa 18
Blade  lengt
× height
mm 3965×610
Front wheel track mm 2150
Rear wheel track mm 2255
wheelbase mm 5647
Engine model mm 6CTA8.3
Engine power kW 158
Overall dimensions mm 8605×2695×3420

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