A heavy-duty truck from the era most closely associated with Ford's diesel reliability struggles — the 6.0L Power Stroke's extensively documented issues should shape this entire buying decision.
This truck's heavy-duty towing use case is exactly the condition under which the 6.0L Power Stroke's documented head gasket and EGR cooler issues are most likely to surface — the application itself compounds rather than mitigates the engine's known risks.
This is one of the clearest cases on this entire site where the engine page should be read in full, and ideally alongside a specialist's opinion, before any purchase decision is made.
This is about the car itself — for engine-specific failure points, see the dedicated engine page below.
This Super Duty is a defining application of the 6.0L Power Stroke. The full issue list and preventative-work guidance on the dedicated engine page should be treated as essential reading before buying.
FULL ENGINE BREAKDOWNFord 6.0L Power Stroke Diesel — Reliable or Not →A later Super Duty generation uses a completely redesigned diesel with a much stronger track record, worth strong consideration as an alternative.
Treat this truck as a specialist-informed purchase rather than an ordinary used-vehicle evaluation, per the engine page's guidance.
Ask for complete, itemised documentation of any EGR cooler, head gasket, or injector work.
Ask specifically about towing history and frequency, since heavy towing is the condition most likely to have stressed this engine's known weak points.