Don injunan nau'in V, igiyoyin haɗin silinda na hagu da dama suna ɗora su akan fil ɗin crank iri ɗaya, kuma tsarin su ya bambanta da nau'in shigarwa.

(1) Daidaitaccen sandar haɗi
Ana shigar da sanduna guda biyu masu kamanceceniya da juna gefe da gefe akan fil ɗin crank iri ɗaya ɗaya bayan ɗaya. Tsarin hanyar haɗin kai daidai yake da sandar haɗin injin in-line da aka ambata a sama, sai dai faɗin babban kai ya ɗan ƙarami. Amfanin sanduna masu haɗawa na layi daya shine cewa ana iya amfani da sandunan haɗin gaba da na baya a cikin amfani da kowa, kuma ƙa'idodin motsi na piston na hagu da dama na silinda iri ɗaya ne. Rashin lahani shi ne cewa dole ne a karkatar da layuka biyu na cylinders zuwa wani tazara tare da madaidaiciyar shugabanci na crankshaft, wanda ke ƙara tsawon crankshaft da injin.

(2) Sandunan haɗin kai na farko da na sakandare

Daya main connecting sanda da daya auxiliary connecting rod su zama babban matattarar haɗa sandar, kuma auxiliary connecting sanda yana rataye a kan babban connecting sandar ko babban connecting sanda murfin ta fil shaft. Layi ɗaya na silinda yana sanye da babban sandar haɗawa, ɗayan jeri na silinda kuma an sanye shi da na'ura mai haɗawa, kuma ana shigar da babban sandar haɗawa akan crank fil na crankshaft. Ba za a iya musanya manyan sanduna masu haɗawa da ƙarin ba, kuma sandar haɗin haɗin gwiwa tana aiki akan babban sandar haɗin don ƙara lokacin lanƙwasawa. Dokar motsi da babban mataccen matsayi na pistons a cikin silinda biyu ba iri ɗaya bane. A cikin nau'in nau'in nau'in V tare da manyan sanduna masu haɗawa da haɗin kai, layuka biyu na cylinders ba sa buƙatar yin tari, don haka ba za a ƙara tsawon injin ba.

(3) sandar haɗin cokali mai yatsu
Yana nufin cewa babban ƙarshen sandar haɗawa a cikin jeri ɗaya na cylinders yana da siffar cokali mai yatsa; sandar haɗin da ke cikin sauran layin silinda yayi kama da sandar haɗawa ta yau da kullun, amma faɗin babban ƙarshen ya fi ƙanƙanta, kuma galibi ana kiransa sandar haɗawa ta ciki. Amfanin sandar haɗi mai nau'in cokali mai yatsa shine cewa ka'idodin motsi na pistons a cikin layuka biyu na cylinders iri ɗaya ne, kuma layuka biyu na cylinders ba sa buƙatar yin tagulla. Rashin hasara shi ne cewa tsarin babban ƙarshen haɗin haɗin kai mai siffar cokali mai yatsa yana da wuyar gaske, ƙira ya fi wuya, kiyayewa ba shi da kyau, kuma rashin ƙarfi na babban ƙarshen ba shi da kyau.