400 Cat Engine Specs
Overview
The 400 Cat Engine is a powerful and reliable engine manufactured by Caterpillar Inc. It is widely used in various applications, including heavy-duty trucks, construction equipment, and marine vessels. This article will provide you with detailed specifications of the 400 Cat Engine, including its configuration, engine oil specs, and service intervals.
Engine Configuration
The 400 Cat Engine features a robust and efficient design that ensures optimal performance and durability. Here are some key details about its configuration:
- Engine Type: Inline 6-cylinder
- Displacement: 12.5 liters
- Bore and Stroke: 5.12 inches x 6.18 inches
- Compression Ratio: 16.1:1
- Aspiration: Turbocharged and aftercooled
- Fuel System: Electronic unit injection
Engine Oil Specs
Proper engine oil is crucial for maintaining the performance and longevity of the 400 Cat Engine. Here are the recommended engine oil specifications:
- Oil Type: High-quality diesel engine oil
- Viscosity Grade: SAE 15W-40
- API Classification: CI-4 or higher
- Oil Capacity: Approximately 40-45 quarts
Service Intervals
Regular maintenance and servicing are essential to keep the 400 Cat Engine running smoothly. Here are the recommended service intervals for various engine components:
- Oil and Filter Change: Every 15,000 miles or 500 hours of operation
- Fuel Filter Replacement: Every 30,000 miles or 1,000 hours of operation
- Air Filter Replacement: Every 30,000 miles or 1,000 hours of operation
- Coolant Change: Every 60,000 miles or 2,000 hours of operation
- Valve Lash Adjustment: Every 60,000 miles or 2,000 hours of operation
Detailed Engine Specifications
| Specification | Value |
|---|---|
| Engine Type | Inline 6-cylinder |
| Displacement | 12.5 liters |
| Bore and Stroke | 5.12 inches x 6.18 inches |
| Compression Ratio | 16.1:1 |
| Aspiration | Turbocharged and aftercooled |
| Fuel System | Electronic unit injection |
In conclusion, the 400 Cat Engine is a reliable and powerful engine that offers exceptional performance in various applications. By following the recommended engine oil specifications and service intervals, you can ensure the longevity and optimal performance of your 400 Cat Engine. Regular maintenance and care are key to maximizing its efficiency and durability.
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