Cat 3456 Engine: Specs, Configuration, and Service Intervals

Cat 3456 Engine Specs

Engine Configuration

The Cat 3456 engine is a powerful and reliable engine that is widely used in various applications, including heavy-duty machinery and industrial equipment. Let’s take a closer look at its engine configuration:

• Engine Type: Inline 6-cylinder
• Displacement: 15.2 liters
• Bore: 137 mm
• Stroke: 152 mm
• Compression Ratio: 16.1:1
• Aspiration: Turbocharged and aftercooled
• Fuel System: Direct injection
• Cooling System: Water-cooled

Engine Oil Specs & Service Intervals

Proper maintenance and regular oil changes are crucial for the longevity and performance of the Cat 3456 engine. Here are the engine oil specifications and recommended service intervals:

• Engine Oil Type: Cat DEO (Diesel Engine Oil) or equivalent
• Viscosity Grade: SAE 15W-40
• API Classification: CI-4 or higher
• Capacity: Approximately 38 liters

Service Intervals

To ensure optimal engine performance, it is important to adhere to the recommended service intervals for oil changes and other maintenance tasks. Here are the general service intervals for the Cat 3456 engine:

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

Detailed Engine Specifications

In conclusion, the Cat 3456 engine is a robust and efficient powerplant with an inline 6-cylinder configuration. Adhering to the recommended oil specifications and service intervals will help ensure its longevity and optimal performance. Regular maintenance is key to keeping this engine running smoothly and reliably in various applications.