2004 Ford F-550 SD vs 2006 Ford F-550 SD
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2004 Ford F-550 SD | 2006 Ford F-550 SD |
|---|---|---|
| NHTSA complaints | 49 | 44 |
| Recall campaigns | 2 | 1 |
| Service bulletins (TSBs) | 129 | 97 |
| Investigations | 1 | 0 |
| Crash reports | 1 | 0 |
| Fire reports | 5 | 1 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | — | — |
| Median reported incident mileage | 40,000 mi | 43,982 mi |
Reported problems side by side
| Component | Ford F-550 SD | Ford F-550 SD |
|---|---|---|
| Fuel System, Diesel | 21 | 28 |
| Engine and Engine Cooling | 16 | 5 |
| Electrical System | 9 | 1 |
| Fuel System, Gasoline | 3 | 5 |
| Power Train | 6 | 0 |
| Fuel/propulsion System | 1 | 4 |
| Engine | 1 | 3 |
| Fuel System, Other | 1 | 2 |
Symptoms owners describe
| Stalling | 20 | 21 |
| Rust / corrosion | 5 | 9 |
2004 Ford F-550 SD
2006 Ford F-550 SD
Compare all Ford F-550 SD vs Ford F-550 SD years →
Method. Complaints are unique NHTSA reports. A vehicle that sold more units will naturally accumulate more complaints — use shares and read the underlying reports before drawing conclusions.