I-Cummins 6L9. I-3 cylinder block iyingxenye ebalulekile ekusebenzeni kwezinjini zezimboni ezinemisebenzi esindayo, ezidume ngokuqina nokuthembeka kwayo. Idizayinwe ngobunjiniyela obunembile, i-cylinder block isebenza njengesisekelo senjini, izindlu ezibalulekile ezifana nama-piston, Ama-crankshafts, nezinduku zokuxhuma. Ukuqonda izici nezinzuzo zeCummins 6L9.3 cyli.