very brief history all dates are approx, after all its after 12:30 A.M> here!
MA original prototype Jeep submitted by Willys Overland in 1940
MB Revised edition "B" second edition somewhere 1940 to 45
M38 AKA MC Willys 1950 to 52
M38A1 AKA MD military version of the CJ5
M170 52-71 similar to CJ6 only 4155 made
CJ "CIVILIAN JEEP"??? made 1942 to 86
CJ2A 1945-49
CJ3B 1952 to 68
CJ5 81 inch wheel base 1955 to 71, 84 inch wheelbase 1972 to 83
CJ6 is a stretched CJ5 by 20 inches 1958-75
CJ7 93.4 inch wheel base 1976 to 86
CJ8 CJ7 stretched 10 inches
YJ original Wrangler 1987 to 95 produced until May 96
TJ 2nd Generation Wrangler 1997-2006
JK/JKL 3rd generation 2007
SJ full sized Cherokees 1974-83/Wagoneer 63-83/Grand Wagoneer84-91
XJ Downsizes Cherokee 1984 to 01
KJ well you should know this one!
ZJ Grand Cherokee 93-98
WJ Grand 99-04
WK Grand 05 to present
but then you can also get into the MJs/ VJs/ C-101s / FC (Forward Control) and others like the pickups J-Trucks produced from 63 to 87 Wagoneers from 63-83 under the SJ label and on and on....
oh did you know that there is a difference between the "jeep" and Jeep" and do you know what it is?
Tom