Yanmar 4JH3E Specs: A Comprehensive Overview
The Yanmar 4JH3E is a renowned marine diesel engine known for its reliability and performance. Whether you are a seasoned sailor or a boat enthusiast, understanding the specifications of this engine is crucial. In this article, we will delve into the detailed specifications of the Yanmar 4JH3E, covering various aspects such as power output, dimensions, fuel consumption, and more. Let’s explore!
Engine Specifications
| Specification | Value |
|---|---|
| Engine Model | Yanmar 4JH3E |
| Number of Cylinders | 4 |
| Displacement | 2.19 liters (133.6 cubic inches) |
| Bore x Stroke | 84 mm x 90 mm (3.31 inches x 3.54 inches) |
| Compression Ratio | 22.5:1 |
| Aspiration | Naturally Aspirated |
Performance
- Maximum Power Output: 56 horsepower (41.3 kilowatts) at 3,000 RPM
- Continuous Rating: 50 horsepower (36.8 kilowatts) at 2,800 RPM
- Maximum Torque: 137 Nm (101 lb-ft) at 2,400 RPM
Dimensions and Weight
| Specification | Value |
|---|---|
| Length | 718 mm (28.27 inches) |
| Width | 560 mm (22.05 inches) |
| Height | 618 mm (24.33 inches) |
| Weight | 170 kg (374.8 lbs) |
Fuel System
- Fuel Type: Diesel
- Fuel Injection System: Mechanical
- Fuel Consumption: Approximately 5.5 liters per hour (1.45 gallons per hour) at cruising speed
Cooling System
- Cooling Method: Freshwater Cooling
- Heat Exchanger Material: Copper-Nickel Alloy
- Thermostat Opening Temperature: 71°C (160°F)
Electrical System
- Starting System: Electric Start
- Alternator Output: 12V – 80 Amps
Conclusion
The Yanmar 4JH3E is a reliable and efficient marine diesel engine, suitable for a wide range of boating applications. With its impressive power output, compact dimensions, and fuel efficiency, it has become a popular choice among boat owners. Whether you are planning a leisurely cruise or embarking on an adventurous voyage, the Yanmar 4JH3E is a dependable companion that will ensure smooth sailing. Make sure to consult the manufacturer’s documentation for specific installation and maintenance requirements to maximize the engine’s performance and longevity.
