Mercedes Benz OM355 355 030 6708/6801 Crank Shaf

1.Crankshaft materialQT800-6mechanicalproperties Strengthofextension:≥800 MPA Elongation:≥5.5% Strike:≥25 J/CM² Hardness(before strengthan):HB250-310 Hardness(after strengthan):HRC46-52 2.Fatigue strength differance between casting iron and forging steel Castingiron QT800-6is896N/mm²afterfilletrolling, Forging steel42CRMO is 972 N/MM² after nitriding QT800-6crankshaftcancompletelyachievethe qualityof 42CRMO crankshaft 3.ApplicationofQT800-6crankshaft in YUCHAI ENGINE MODELMAX. POWER QTY.MATERIALYC6108ZQ/YC6105ZQC 180PS 410,000pcs QT800-6 YC4108ZQ/YC4108ZLQ/YC4D120-140 115-140PS 70,000pcs QT800-6 YC4FMachinery <90PS 2,683pcs QT800-6 YC4E 50,000pcs QT800-6replace42CrMo YC6105ZLQ 220PS 34,571pcs QT800-6replace42CrMo YC6108ZQB/YC6108ZLQB <260PS QT800-6replace42CrMo Mostoftheyuchaiseriescrankshaftaregraduallyusing withQT800-6 materials instead of 42CrMo forgingsteel. 4.Application of QT800-6 crankshaft in HC-DIESEL ENGINE MODELMAX. POWERQTY.MATERIALMAN SERIES 450 PS 200 pcs QT800-6 replace forging steel MERCEDES BENZ SERIES 280 PS 3000 pcs QT800-6 replace forging steel DEUTZ SERIES 150 PS 5000 pcs QT800-6 replace forging steel 5.TheadvantagesofQT800-6 crankshaftcomparedwithforgingcrankshaft: (1)Weightislessabout10%,makewholeweightdown (2)Lubricationperformancegreatersoastoincreasewearresistance (3)Dampingperformanceisbetterwhatcanreducethenoise (4)Costislowersotheeconomicbenefitisremarkable (5)Castingcrankshafthavebalanceweightwhatcanreducerotorimbalanceofbearing andtorqueeccentricwear. ENGINETYPE MODEL OEMNO.STROKE(MM)MAINDIAMETER(MM)CON.RODDIAMETER(MM)OVERALLLENGTH(MM)MERCEDES-BENZOM3143140306202648860606.5OM3523520308002648860827.5OM352-A3520308002648860827.5OM3553550306701/68017595781232.5*3550306701/68017595781232.5*OM3603600301601/0101/120170*98*72*1035.2*OM366366030160266.5*88*60*827.5*OM402\6510490768.5OM403\6610490927OM4224220306202/43017110490768.5OM44244203008017110490768.5