CJ7 ('76 - '86) Windshield width 55", round fender Jeep, one piece windshield, factory roll bar, bottom mounted windshield wipers, factory mounted door hinges, has either no windshield retainer or screw-in design. Door opening looks like a "U" rather than an inverted "S", measures 81" from door hinge to rear of vehicle.
CJ5 ('76 - '83) Windshield width 55", round fender Jeep, one piece windshield, factory roll bar, bottom mounted windshield wipers, factory mounted door hinges, windshield retainer screws on, sloped windshield. Measures 71 1/2" from door hinge to rear of vehicle.
CJ5 ('55 - '75) & M38A1 ('51 - '71) Windshield width 59", round fender Jeep, one piece windshield, no factory door hinges, windshield retainer welded on vehicle, windshield at 90° angle to hood. CJ6 ('55 -'75) Same basic vehicle as an early model CJ5 except with an extended rear body rub.
The axles should be dana 30 fronts and either a dana 20 or dana 44 in the rear.