670D - GRADER, MOTOR 3460 Hydraulic System Parts group 3460 Hydraulic System 3460 Hydraulic System . Rotary Manifold Circle Side Shift Cylinder Blade Lift Cylinder Blade Slide Cylinder Blade Tilt Cylinder Blade Lift Cylinder Hydraulic Hoses Saddle Lock Pin and Hydraulic Hoses Blade Impact System ( - 617769) Blade Impact System (617770 - ) BLADE IMPACT VALVE (SN. -617769) Blade Impact Valve (617770 - ) Blade Tilt and Slide Cylinder Hoses Circle Rotate Motor Hoses Circle Side Shift Cylinder Hoses Integrated Grade Control (Hydraulic Hoses)