Jeep's SJ platform was part of the "FSJ" or full-size Jeep lineup. A "FSJ" is any vehicle produced in North America, carrying the "Jeep" nameplate, with 2 or 4 doors, in rear- or four-wheel drive, whose wheelbase does not exceed , nor is less than , and whose tread width is no more than nor less than .
This definition is known to include the following models:
- 1963–1991 Jeep Wagoneer (renamed the “Grand Wagoneer” for the 1984 model year)
- 1963–1988 Jeep Gladiator (renamed the “J” series for 1972 model year)
- 1967–1969 Jeep M-715/724/725/726/6217 military versions
- 1974–1983 Jeep Cherokee