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The Japanese six-cylinder engine is so reliable it's still in production after almost 25 years

The 1HZ turbodiesel straight-six engine is one of the best examples that we can reference, as Toyota still applies it to one ...
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Toyota’s 1HZ is the bulletproof diesel straight-six still built

Toyota’s 4.2‑liter 1HZ diesel is an anomaly in a market obsessed with downsizing, turbocharging, and software-driven complexity. While most manufacturers have retired their old-school workhorse ...