Yanmar 4JH2-E Marine Diesel Engine – 50HP Turbocharged | 4-Cylinder | Heat Exchanger Cooled
This listing is for a used Yanmar 4JH2-E marine diesel engine—a compact, reliable, and high-performance power unit. This 4-cylinder, 70HP turbocharged engine is heat exchanger cooled and is known for its efficiency, durability, and ease of maintenance in marine environments.
Engine Details:
Model: Yanmar 4J2-E
Horsepower: 50 HP
Cylinders: 4
Aspiration: Turbocharged
Cooling System: Heat Exchanger (closed-loop)
Fuel Type: Diesel
Condition: Used, fully functional, and in excellent running condition
Maintenance: Well-maintained, test-ran, starts and runs flawlessly
Fuel Efficiency: Highly economical—ideal for long-range cruising or commercial marine applications
Key Benefits:
Small footprint, lightweight, and ideal for tight engine compartments
Proven Yanmar reliability with a reputation for low operating costs
Great option for repowering sailboats, fishing vessels, or commercial workboats
Powerful yet fuel-efficient, offering serious torque in a compact design
What’s Included:
One (1) Yanmar 4JH2-E Marine Diesel Engine (Bobtail – No Transmission)
Transmission not included but available upon request
Additional Notes:
This engine was removed from a working vessel during a repower project
Sold as-is, exactly as shown in photos
We encourage prospective buyers to reach out with any questions or to request a test run or inspection