The Jeep TJ
Production Overview & Totals
Total TJ Production: ~952,500 units (spanning model years 1997 through 2006).
Total 4.0L Units: Estimated between 650,000 and 750,000 vehicles, as the 4.0L was standard on Sport, Sahara, and Rubicon trims, while the 4-cylinder was mostly restricted to base SE models.
Manufacturing Plants: Built in Toledo, Ohio (USA) and Brampton, Ontario (Canada).
Engine Type: AMC 242 4.0L High-Output Inline-6 (cast-iron block and head).
Horsepower & Torque:
Suspension Breakthrough: The TJ generation replaced old leaf springs with a modern coil-spring setup on all four corners, greatly improving ride quality and articulation.
Transmission Evolution: Started with a 3-speed auto or 5-speed manual, upgraded to a 4-speed automatic (2003) and a 6-speed manual (2004–2006).
The LJ Variant: Includes the 2004–2006 Wrangler Unlimited (LJ), a long-wheelbase version featuring an extra 10 inches of length and extra rear legroom, all powered by the same 4.0L engine.