| Digit | Usage | VIN | Decoded | |
|---|---|---|---|---|
| 1-2 | Model Code | F4 | MB400 | |
| 3 | Body | 4 | Conventional Cab with Sweptline Box, Compact Hi Line Wagon(Royal Sportsman), MB3 High-Line | |
| 4 | Gross Vehicle Weight | C | 6,000 - 11,500 lbs | |
| 5 | Engine | F | V8 360-2v (LA) | |
| 6 | Year | 6 | 1976 | |
| 7 | Plant | V | Warren MI Truck #3 (Compact) | |
| 8-13 | Sequential Serial # | O98438 | O98438 |