The Detroit Diesel Series 92 is a two-stroke cycle, V-block diesel engine, produced with versions ranging from six to 16 cylinders. Among these, the most popular were the 6V92 and 8V92, which were V6 and V8 configurations of the same engine respectively. The series was introduced in 1981. It was a rebored version of its then-popular sister series (retaining the 5" piston stroke), the Series 71. Both the 71 and 92 series engines were popularly used in on-highway vehicle applications.