Isuzu 4BC1 Engine: Specifications, Configuration, and Service Intervals

Isuzu 4BC1 Engine Specs

The Isuzu 4BC1 engine is a four-cylinder diesel engine that was manufactured by Isuzu Motors Limited. It was first introduced in the 1970s and has since gained a reputation for its reliability and durability. This engine is commonly used in various applications, including commercial trucks, industrial equipment, and marine vessels. Let’s take a closer look at the specifications of the Isuzu 4BC1 engine.

Engine Configuration

The Isuzu 4BC1 engine features a 3.3-liter displacement, which means each cylinder has a capacity of approximately 825cc. It is an inline four-cylinder engine, meaning the cylinders are arranged in a straight line. This configuration offers a compact design and efficient power delivery.

The engine has a bore and stroke of 102mm x 105mm, resulting in a total piston displacement of 3298cc. The compression ratio of the Isuzu 4BC1 engine is 17.5:1, which contributes to its fuel efficiency and low emissions.

Engine Oil Specs & Service Intervals

Proper maintenance and regular oil changes are crucial for the longevity and performance of any engine, including the Isuzu 4BC1. Here are the recommended engine oil specifications and service intervals for this engine:

• Engine Oil Type: It is recommended to use a high-quality diesel engine oil that meets the API CF-4 or CG-4 specification. These oils provide the necessary lubrication and protection for the engine components.
• Viscosity Grade: The recommended viscosity grade for the Isuzu 4BC1 engine is SAE 15W-40. This grade ensures proper lubrication in both cold and hot operating conditions.
• Oil Capacity: The engine oil capacity of the Isuzu 4BC1 engine is approximately 7.5 liters. It is important to check the oil level regularly and top up if necessary.

As for the service intervals, it is generally recommended to change the engine oil and oil filter every 5,000 kilometers or 3,000 miles. However, it is always best to refer to the specific maintenance schedule provided by Isuzu or consult with a qualified mechanic for the most accurate service intervals.

Detailed Engine Specifications

For a more comprehensive overview of the Isuzu 4BC1 engine specifications, refer to the following chart:

In conclusion, the Isuzu 4BC1 engine is a reliable and durable four-cylinder diesel engine. Its compact design and efficient power delivery make it suitable for various applications. By following the recommended engine oil specifications and service intervals, you can ensure optimal performance and longevity for your Isuzu 4BC1 engine.