A: Material : casting B: Model : caterpillar 3306 crankshaft C: One year guarantee D: ISO9001, TS16949 Certified If you are interested in our product , please feel free to let us know . We will send you our best offer . Website : www.hc-diesel.com , www.hc-diesel.en.alibaba.com Catalogue and package photos as belows : EngineModelBEDFORDJ6-330CAT.3304CAT.3306CAT.3306BCUMMINS4BTCUMMINS6BTCUMMINS6CT ...