Isuzu 4FG1 Engine: Specs, Configuration, Oil & Service Intervals

Isuzu 4FG1 Engine Specs

The Isuzu 4FG1 engine is a reliable and powerful diesel engine that is commonly used in various industrial applications. It is known for its durability, efficiency, and performance. In this article, we will explore the engine configuration, engine oil specifications, and service intervals of the Isuzu 4FG1 engine.

Engine Configuration

The Isuzu 4FG1 engine is a four-cylinder, water-cooled, direct injection diesel engine. It has a displacement of 3.059 liters (186.6 cubic inches) and a bore and stroke of 95.4 mm x 107 mm (3.76 inches x 4.21 inches). The engine is designed to provide optimal power and torque for heavy-duty applications.

• Engine Type: Four-cylinder, water-cooled, direct injection diesel engine
• Displacement: 3.059 liters (186.6 cubic inches)
• Bore x Stroke: 95.4 mm x 107 mm (3.76 inches x 4.21 inches)

Engine Oil Specs

Choosing the right engine oil for your Isuzu 4FG1 engine is crucial to ensure its longevity and performance. The engine oil should meet the manufacturer’s specifications to provide proper lubrication and protection. Here are the recommended engine oil specifications for the Isuzu 4FG1 engine:

• Oil Type: Diesel engine oil with API CF or higher rating
• Viscosity: SAE 15W-40
• Capacity: Approximately 7.5 liters (1.98 gallons)

It is important to note that using the correct engine oil and maintaining the recommended oil level is essential for the proper functioning of the engine. Regular oil changes at the specified intervals will help keep the engine in optimal condition.

Service Intervals

To ensure the longevity and reliability of your Isuzu 4FG1 engine, it is essential to follow the recommended service intervals. Regular maintenance and servicing will help prevent potential issues and keep the engine running smoothly. Here are the general service intervals for the Isuzu 4FG1 engine:

1. Oil Change: Every 250 hours or 6 months, whichever comes first
2. Oil Filter Replacement: Every oil change
3. Air Filter Replacement: Every 500 hours or 12 months, whichever comes first
4. Fuel Filter Replacement: Every 500 hours or 12 months, whichever comes first
5. Coolant Replacement: Every 1,000 hours or 24 months, whichever comes first
6. Valve Clearance Check: Every 1,000 hours or 24 months, whichever comes first

Following these service intervals will help maintain the performance and reliability of your Isuzu 4FG1 engine. Regular inspections and timely replacements of filters and fluids are essential for optimal engine health.

In conclusion, the Isuzu 4FG1 engine is a powerful and durable diesel engine commonly used in various industrial applications. Understanding its engine configuration, engine oil specifications, and service intervals is crucial for proper maintenance and optimal performance. By following the recommended guidelines and performing regular maintenance, you can ensure the longevity and reliability of your Isuzu 4FG1 engine.