Description
Cummins 2x 6B engine
The “Cummins 2x 6B engine” likely refers to a twin-engine setup featuring two Cummins 6B 5.9-M marine engines , each with a power output of 115 horsepower. The “M” indicates it’s a marine model, and the 5.9-M is an inline, 6-cylinder, 5.9-liter engine. The “115Pk” specifies the 115 horsepower rating.
Engine specifications
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- Engine type: 6-cylinder, inline, naturally aspirated diesel engine
- Displacement: 5.9 liters (
)
- Power output: 115 horsepower at 2,500 RPM
- Torque output: 270 lb-ft at 1,200 RPM
- Fuel system: Inline injection pump
- Construction: Durable and reliable, designed for tough marine conditions
Configuration
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- Twin-engine setup: The “2x” indicates two engines are installed together, likely for a larger vessel or for redundancy .
- Marine-specific: The “M” designation means that these are marine-grade engines, designed to operate in a challenging maritime environment.
Potential applications
- Fishing vessels: The reliability and power of the 5.9L engine make it suitable for commercial fishing boats.
- Pleasure boats: Its performance and efficiency are ideal for recreational boating applications.
- Commercial ships: The engine is a dependable choice for various commercial vessels.
Key Specifications: Cummins 2x 6B engine
| Feature | Specification |
|---|---|
| Engine Type | In-line, 6-cylinder, 4-stroke diesel |
| Aspiration | Naturally Aspirated (non-turbo) |
| Power Output | 115 HP (86 kW) |
| Rated Speed | 2500 RPM |
| Displacement | 5.9 L (359 in³) |
| Bore & Stroke | 102 mm x 120 mm (4.02 in x 4.72 in) |
| Fuel System | Rotary fuel pump/Mechanical fuel injection |
| Cooling System | Keel cooling or engine mounted heat exchanger (varies by installation) |
| Approx. Weight | ~452 kg (~996 lbs) |
Features and Benefits
- Durable Design: The engine features a robust cast-iron block and forged steel components designed for long life and continuous duty operation in harsh marine environments.
- High Torque at Low RPMs: A key benefit in marine applications, this engine provides significant pulling power at lower speeds, which aids in maneuvering and towing.
- Ease of Maintenance: Models with mechanical fuel injection offer simplicity, making maintenance and repairs relatively straightforward, especially in remote locations.
- Fuel Efficiency: The 5.9L B-series is recognized for its good fuel economy, a critical factor for operational cost savings during long voyages.
- Versatile Applications: The engine is a popular choice for a wide array of vessels, including commercial fishing boats, workboats, and pleasure craft, due to its reliable power output.
frequently asked questions
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- A: The main difference is aspiration. The 6B is naturally aspirated (no turbocharger), while the 6BT is turbocharged, offering higher horsepower. The “M” in the model name indicates it’s a marine version.
- Q: What is the power output and displacement of this engine?
- A: This engine is rated for 115 horsepower at 2500 RPM and has a displacement of 5.9 liters (359 cubic inches).
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