Cikakken goyan bayan crankshaft:Yawan manyan mujallu na crankshaft yana daya fiye da adadin cylinders, wato, akwai babban jarida a bangarorin biyu na kowane jarida mai haɗawa. Misali, cikakken goyon bayan crankshaft na injin silinda shida yana da manyan mujallu guda bakwai. Injin silinda mai cikakken goyan bayan crankshaft yana da manyan mujallu guda biyar. Irin wannan goyon baya, ƙarfi da tsattsauran ra'ayi na crankshaft sun fi kyau, kuma yana rage nauyin babban abin da ke ciki kuma yana rage lalacewa. Injin diesel da mafi yawan injunan mai suna amfani da wannan fom.

Wani sashi mai goyan bayan crankshaft:Yawan manyan mujallu na crankshaft bai kai ko daidai da adadin cylinders ba. Ana kiran wannan nau'in tallafi mara cikakken goyan bayan crankshaft. Duk da cewa babban nauyin wannan nau'in tallafi yana da girma sosai, yana rage tsawon tsayin crankshaft gaba ɗaya kuma yana rage tsayin injin gabaɗaya. Wasu injunan fetur na iya amfani da irin wannan nau'in crankshaft idan nauyin yana da ƙananan.