The 3.8-liter V6 engine in the Nissan Frontier comes with the confidence that it has proven to be capable of handling extreme conditions without breaking a sweat. Specialists at Nissan's Decherd Powertrain Assembly Plant in Tennessee randomly select engines off the line and run them through punishing tests in dynamometer chambers, checking every part for wear and imperfections to ensure the engines will hold up to rugged use for years to come.
Think of a dynamometer, or dyno, like a treadmill for a truck engine; it allows technicians to run the engine through extreme scenarios while mounted to test equipment inside a lab. These stress tests are specifically designed to check the assembly process is up to spec and help ensure the engine will deliver both the power and long-term reliability customers want in a midsize truck.
To push the limits even further, temperatures are cycled beyond real‑world extremes.
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