Engine Series: WEICHAI. YUCHAI . CUMMINS. YIQI. ZHAOCHAI. YUNNEI. YANGCHAI and CHANGCHAI cylinder linerpistonpiston ringpiston pinintake & exhaust valvebearing ... Factory, Zhengzhou Yutong Bus Guilin and Jinan Heavy Truck.Engine Series: WEICHAI. YUCHAI . CUMMINS. YIQI. ZHAOCHAI. ... HF4DA1-1 Nissan: TD42, TD42T(III), FD46, FD46T AOLING ENGINE: BJ491EQI, BJ493Q, BJ493ZQ, BJ493ZLQ, BJ483ZQB(4D22) ISUZU: ...