The Isuzu 6UZ1 engine is a large-capacity 9.8-liter inline-6 turbo diesel engine designed for heavy-duty commercial and industrial use. Built with Isuzu’s proven diesel technology, it offers strong torque at low RPM, high horsepower, and excellent fuel efficiency, making it ideal for long-haul transport and demanding workloads.
This engine features high-pressure common-rail fuel injection, a turbocharger with intercooler, and advanced emissions compliance (Euro III–VI depending on variant), ensuring efficient combustion and reduced emissions.
Key Specifications:
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Engine Code: 6UZ1
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Displacement: 9.8L (9839 cc)
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Configuration: Inline-6 turbocharged diesel
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Power Output: ~350–380 hp
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Torque: up to ~1400+ Nm
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Fuel System: Common-rail direct injection
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Aspiration: Turbocharged with intercooler
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Cooling: Water-cooled
Applications:
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Isuzu heavy-duty trucks (10-wheel / 12-wheel trucks)
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Isuzu tractor trucks and long-haul vehicles
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Industrial equipment and machinery
Key Features & Benefits:
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High horsepower and torque for heavy loads and long-distance hauling
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Turbocharged system for improved efficiency and performance
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Durable design built for continuous commercial use
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Advanced common-rail injection for fuel economy and lower emissions
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Long service intervals and low maintenance costs
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OEM and aftermarket parts widely available
The 6UZ1 engine is known for its reliability under extreme conditions, making it a preferred choice for fleet operators, logistics companies, and heavy equipment users who require consistent and powerful diesel performance.





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