Description

Yanmar 4JH45 Marine Diesel Engine 45HP – Inboard Propulsion Solution

The Yanmar 4JH45 marine diesel engine is a reliable and efficient 45HP inboard propulsion engine designed for sailboats, cruising yachts, and light commercial vessels. As part of the trusted JH Series, this four-cylinder engine delivers smooth performance, fuel efficiency, and consistent power output, making it a dependable choice for both auxiliary and primary propulsion.

At Coastal Wave Marine, we work with customers worldwide who are actively looking to source, secure, and arrange delivery of the Yanmar 4JH45 marine diesel engine, providing clear guidance, verified equipment, and a straightforward process from inquiry to shipment.

Key Features & Benefits Of Yanmar 4JH45 Marine Diesel Engine 45HP

  • 45HP output for dependable propulsion and onboard performance
  • Four-cylinder configuration for smoother and quieter operation
  • Fuel-efficient diesel engine suitable for extended cruising
  • Freshwater cooling system with heat exchanger for long-term durability
  • Compact and robust design for flexible installation
  • Built to perform reliably in demanding marine environments
  • Easy servicing with accessible components

Gearbox Type & Drive Configuration

The Yanmar 4JH45 is equipped with a straight shaft drive configuration Marine gearbox, a proven and widely used setup for sailboats and displacement hull vessels. This system ensures efficient power transfer, stable propulsion, and simplified maintenance, making it a practical and reliable option for marine installations.

Technical Specifications Table

Technical SpecificationValue
Configuration4-stroke vertical, water-cooled diesel engine
Maximum output at crankshaft33.1 kW (45 hp) @ 3000 rpm
Continuous rating output at crankshaft30.9 kW (42 hp) @ 2900 rpm
Bore × Stroke84 mm × 90 mm
Number of cylinders4
Combustion systemDirect injection
AspirationNatural aspiration
Starting systemElectric starting 12V
Lubrication systemEnclosed, forced lubricating system
Direction of rotation (crankshaft)Counter-clockwise viewed from stern
Engine mountingRubber-type flexible
Displacement2.190 L
Cooling systemFreshwater cooling with heat exchanger
ApplicationSailboats, cruising yachts, auxiliary and propulsion

Applications

The Yanmar 4JH45 marine diesel engine is commonly selected for sailboats, cruising yachts, and light commercial vessels that require reliable and efficient propulsion with consistent performance over time. It is well suited for both short trips and extended cruising, offering a balance of power, durability, and fuel efficiency.

Why Coastal Wave Marine

Coastal Wave Marine supports customers globally who are ready to move forward with sourcing a reliable Yanmar marine engine. We focus on providing a clear, responsive, and dependable experience from the first inquiry through to final delivery.

  • Engines inspected and prepared prior to shipment
  • Competitive terms for international buyers
  • Assistance with engine selection and compatibility
  • Reliable global shipping across the USA, Europe, the Middle East, and beyond

Warranty & Quality Assurance

Each engine is carefully checked to ensure it meets expected marine performance standards. Depending on availability, warranty options may be available, offering additional reassurance when selecting the right engine for your vessel.

Shipping & Availability

Availability may vary depending on stock levels. Coastal Wave Marine handles secure packaging, export documentation, and worldwide delivery, making it easier to coordinate logistics and receive your engine safely and efficiently.

FAQ

Q: Is the Yanmar 4JH45 suitable for sailboats?
A: Yes, it is widely used in sailboats and cruising yachts for reliable auxiliary or propulsion use.

Q: Can this engine be arranged for international delivery?
A: Yes, we regularly coordinate worldwide shipping with full export support.

Q: What type of drive system does it use?
A: It uses a straight shaft drive configuration, known for its efficiency and reliability in marine propulsion systems.

Q: How can availability and details be confirmed?
A: You can contact Coastal Wave Marine to receive current information based on stock and location.

Request a Quote & Availability

If you are planning to move forward with the Yanmar 4JH45 marine diesel engine, Coastal Wave Marine can provide accurate availability, specifications, and delivery options based on your requirements. Whether you are replacing an existing engine or preparing for a new installation, our team is ready to support you with clear information and timely communication. Reach out today to request a quote, confirm current stock, and receive a detailed overview of delivery timelines and logistics so you can secure the right engine solution without delays.