Jaguar XJ Series 1 Diagram
The Jaguar Series 1 was introduced in September 1968 and remained in production until 1973. It featured the straight-six cylinder versions of Jaguar's renowned XK engine with a choice of either 2.8 litre or 4.2 litre. A 5.3 litre V12 engine was introduced in 1972. The transmission featured an automatic Borg Warner 8 transmission unit. This was to be later replaced with a Borg Warner Model 12 unit on the 4.2 litre-engined XJ6.