Sorry for the delay. Head is a #14. About 250k miles. Engine purrs pretty well once warmed up and has very good power (I have plenty of OM603 experience to compare it to). With rebuilt/new injectors it would be excellent.

It got new Bosch glow plugs in 10/11; injection pump delivery valves resealed 5/13; new belt tensioner, pulley, and belt in 3/13; regular oil changes, power steering service, and fuel filters while under my care for last 3+ years.