Yanmar 3JH3E Specs: A Detailed Overview
Engine Specifications
| Engine Model | Yanmar 3JH3E |
| Number of Cylinders | 3 |
| Displacement | 1.995 liters (121.7 cubic inches) |
| Bore and Stroke | 88 mm x 90 mm (3.46 in x 3.54 in) |
| Compression Ratio | 22.0:1 |
| Aspiration | Naturally aspirated |
| Cooling System | Water-cooled |
Performance Specifications
| Maximum Power Output | 39.6 horsepower (29.5 kilowatts) |
| Rated Speed | 3,000 RPM |
| Maximum Torque | 109 Nm (80.4 ft-lbs) |
| Fuel Consumption | 4.5 liters per hour (1.19 gallons per hour) |
Dimensions and Weight
| Length | 737 mm (29 inches) |
| Width | 530 mm (20.9 inches) |
| Height | 608 mm (23.9 inches) |
| Weight | 151 kg (333 lbs) |
Fuel System
- Fuel Type: Diesel
- Fuel Injection: Direct injection
- Fuel Pump: Mechanical
Lubrication System
- Lubrication Type: Forced lubrication with trochoid pump
- Oil Capacity: 6.1 liters (6.4 quarts)
Cooling System
- Cooling Type: Freshwater cooling
- Coolant Capacity: 6.5 liters (1.7 gallons)
Electrical System
- Starter Motor: 12V, 1.4 kW
- Alternator: 12V, 80 Amps
Conclusion
With its reliable 3-cylinder design and impressive power output of 39.6 horsepower, the Yanmar 3JH3E is a versatile engine suitable for a range of applications. Its compact dimensions and lightweight construction make it easy to install and maneuver. The fuel efficiency of 4.5 liters per hour ensures cost-effective operation, while the robust cooling and lubrication systems contribute to its durability. Whether you’re powering a boat or a small industrial machine, the Yanmar 3JH3E delivers the performance and reliability you need.
