Model Designation: CJ-3B
Vehicle: Kaiser Jeep "flatfender"
Years Built: 1953-1964
Fun Facts: Cowl and hood raised to fit Jeep's new F-head engine which relocated the intake valves from inside the block to inside the cylinder head. Most models built after '55 were for export market.
Model Designation: CJ-5
Vehicle: Kaiser Jeep "roundfender"
Years Built: 1955-1983
Fun Facts: Three generations of the CJ-5 exist: the early from '55-'71; the intermediate from '72-'75; and the late from '76-'83.
Model Designation: CJ-6
Vehicle: Kaiser Jeep long wheelbase CJ
Years Built: 1955-1981
Fun Facts: Like the M-170, the CJ-6 added 20-inches of wheelbase length to the CJ-5 chassis. Most later models after '76 were for export markets only.
Model Designation: CJ-7
Vehicle: AMC Jeep "roundfender"
Years Built: 1976-1986
Fun Facts: Longer version of the CJ-5 with stretched door openings and a 93.5-inch wheelbase. Daisy Duke drove one.
Model Designation: CJ-8
Vehicle: AMC Jeep Scrambler
Years Built: 1981-1985
Fun Facts: Added 10 inches of wheelbase and a pickup-like bed to the back of a CJ-7 to create the longest CJ-based vehicle produced.
Model Designation: YJ
Vehicle: Jeep Wrangler
Years Built: 1987-1995
Fun Facts: One of the most reviled of all the "true" Jeeps, mostly because of its square headlights and heavy antisway bars and track bars for on-road stability which hurt off-road performance.
Model Designation: TJ
Vehicle: Jeep Wrangler
Years Built: 1997-2006
Fun Facts: Brought the Jeep back to round headlights, but also added link suspension with coil springs at all four corners.
Model Designation: LJ
Vehicle: Jeep Wrangler Unlimited
Years Built: 2004-2006
Fun Facts: The Unlimited added 10 inches to the TJ's chassis between the wheels to add much needed interior room.
Model Designation: JK
Vehicle: Jeep Wrangler/Wrangler Unlimited
Years Built: 2007-Present
Fun Facts: The first time a true 4-door Jeep utility vehicle has been offered (Unlimited models only)
Other Models
Model Designation: SJ
Vehicle: Full Size Jeep (Wagoneer, Cherokee, Pickup)
Years Built: 1963-1991 (Wagon)/1964-1987 (Truck)
Fun Facts: Bodies remained pretty much unchanged through the entire production run.
Model Designation: XJ
Vehicle: Jeep Cherokee
Years Built: 1984-2001
Fun Facts: Jeep's first use of unitbody construction and a four-link type front suspension setup.
Model Designation: MJ
Vehicle: Jeep Comanche
Years Built: 1986-1991
Fun Facts: Basically an XJ Cherokee with the backseat and cargo area replaced with a pickup bed.
Model Designation: ZJ
Vehicle: Jeep Grand Cherokee
Years Built: 1993-1998
Fun Facts: Jeep's larger-sized SUV which added more luxury and interior room than the XJ. Also had a coil sprung, four-link rear suspension.
Model Designation: WJ
Vehicle: Jeep Grand Cherokee
Years Built: 1999-2004
Fun Facts: Shaved down the boxy body lines of the ZJ into swoopier, more modern curves.
Model Designation: WK
Vehicle: Jeep Grand Cherokee
Years Built: 2005-Present
Fun Facts: First Hemi engine ever available in a Jeep.
Model Designation: XK
Vehicle: Jeep Commander
Years Built: 2005-Present
Fun Facts: Pretty ugly, but at least they have an available Hemi. Available 3rd row seating for little people.
Model Designation: KJ
Vehicle: Jeep Liberty
Years Built: 2002-2006
Fun Facts: If it were a person he'd run the film projector in class.
Model Designation: KK
Vehicle: Jeep Liberty
Years Built: 2007-Present
Fun Facts: It just won't go away.
Oddballs & Little Known
Model Designation: DJ
Vehicle: Jeep Dispatch
Years Built: 1956-1986
Fun Facts: The 2WD version of the Utility Jeeps, into which we'll lump the Surrey, postal, and other iterations.
Model Designation: VJ
Vehicle: Jeepster
Years Built: 1948-1951
Fun Facts: The sporty 2WD Jeepsters were designed to cater to women buyers. The L-head four-cylinder power left "sporty" at the door, however.
Model Designation: FC-150/FC-170
Vehicle: Jeep Forward Control Pickups
Years Built: 1957-1965
Fun Facts: Both short (FC-150) and long (FC-170) wheelbase versions available. Driver sat over and in front of front tires. The dual rear wheel version of the FC-170 got a Dana 70 rear axle.
Model Designation: C-101
Vehicle: Jeepster
Years Built: 1967-1973 Fun Facts: The cutesy Jeepster had the same 101-inch wheelbase as the CJ-6. It also got a centered Dana 44 rear axle and a Dana 20 T-case while the CJs had Spicer 18s and offset rears.
Model Designation: C-104
Vehicle: Jeepster Commando
Years Built: 1972-1973
Fun Facts: Looks like a Scout and had available V-8 power.