1)steer control linkage,转向控制联杆2)steering control level,转向控制杆3)directional control lever,转向控制杆[手柄]4)steering clutch control linkage adjustment,转向离合器控制联杆调整5)streering gear connecting rod,转向联杆6)steering clutch and brake and foot brake controls linkage,转向离合器和制动器及脚制动控制联杆