| Model Year | Engine | Transmission | Transfer Case | Other |
| 1969 | F135 | 3 on tree | 2.313:1 | FT turn (Amber) mounted on side of engine cowling (wing style) |
| | | | Front parking lights (A) mounted in grill |
| | | | Brake lights (R) and rear turn signals (R) mounted at belt line |
| | | | Mini "scoops" mounted on hood |
| 1970 | | | | Grill slightly modified |
| | | | Front turn signal (A) mounted on top of fender (simple pedestal style) |
| | | | Front parking lights (A) removed |
| | | | Mini "scoops" removed |
| 1971 | | | | A/C becomes optional! (7/70) |
| | | | Temperature gauge changed (7/70) |
| F155 | | | Oil filler moved to valve cover (3/71) |
| | 3 on the floor | | Rod linkage replaces vacuum shift on t-case (3/71) |
| | | | Headlight bezel updated (3/71) |
| | | | Smaller windshield washer tank (3/71) |
| 1972 | | | | Speedometer changed (9/71) |
| | | | Steering box and associated parts changed (4/72) |
| 1973 | | | | Very minor modification to grill (9/72) |
| | | | Rear vent added (9/72) |
| | | | Two piece license plate light replaces the one piece (9/72) |
| | | | Heater changed with larger front blower vent (9/72) |
| | | | Dash changed to fit removable panel for easier access (9/72) |
| | | | Key moved to column (9/72) |
| | | | Steering wheel changed (9/72) |
| | | | Speedometer changed (9/72) |
| | | | Antenna changed (1/73) |
| 1974 | | | | Wing window removed (9/73) |
| | | | Two piece fender emblem replaced with one-piece (9/73) |
| | | | ASCO Hubs become standard (9/73) |
| 2F | H42 | | Oil filter moved to side of block |
| | | | Aluminum valve cover and water pump |
| | | | Smaller air cleaner on top of valve cover |
| | | | Hood changed to accommodate 2F air cleaner |
| 1975 | | | | Front running lights (A) removed (12/74) |
| | | | Front turn signal upgrades to combination signal (pedestal style) (12/74) |
| | | | Exhaust system redesigned (1/75) |
| | | | Optional A/C redesigned (1/75) |
| | | | Lock added to fuel door (1/75) |
| | | | Door lock changed so door must be unlocked to be opened from inside (8/75) |
| 1976 | | | | Larger, fine spline Birfields (9/75) |
| | | | Front disc brakes (9/75) |
| | | | Greatly improved brake booster (9/75) |
| | | | Temperature gauge changed (9/75) |
| | | | Retractable front seat belts (1/76) |
| | | | Optional A/C redesigned (2/76) |
| 1977 | | | | Slight cosmetic modifications to tailgate (12/76) |
| | | | "TOYOTA" and "4 WHEEL DRIVE" emblems added to tail gate (12/76) |
| 1978 | | | | Combination tail light (9/77) |
| | | | Combination gauge ammeter upgraded from warning light to actual gauge (9/77) |
| | | | Fuel gauge changed (9/77) |
| | | | Temperature gauge changed (9/77) |
| | | | Upgraded horn (9/77) |
| 1979 | | | | Ring and Pinion ratio changed to 3.70 (1/79) |
| | | | Speedometer changed (9/79) |
| 1980 | | | | Factory power steering becomes optional |
| | | | Production ends |
