This ID number on Cummins engines is often called the EIN (Engine Identification Number) or ESN (Engine Serial Number). Since Cummins prefers the latter term, from here on out, we'll refer to it ...

Serial numbers confirm historic engine find. by John Cook on July 19, 2013 at 7:39 am July 19, 2013 at 4:49 pm. Share Tweet Share Reddit Email. Sign up for GeekWire's email newsletters!