Yanmar 3JH5E 39HP Marine Inboard Engine

Yanmar
SKU:
3JH5E
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$4,698.00
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YANMAR 3JH5E 39HP Marine Inboard Engine for Sale – High-Efficiency Diesel Power for Small to Mid-Sized Boats

The YANMAR 3JH5E 39HP Marine Diesel Inboard Engine is a proven solution for boat owners seeking high performance, low emissions, and long-lasting reliability. Designed as a naturally aspirated 3-cylinder diesel engine, the 3JH5E offers smooth operation, compact dimensions, and industry-leading fuel efficiency. Ideal for repower projects and new installations, this marine engine delivers precise and dependable power for sailing yachts, motorboats, and light-duty fishing vessels.

The YANMAR 3JH5E has earned a strong reputation across the boating community for its clean performance, quiet operation, and impressive power-to-weight ratio. Whether you’re operating a charter boat or a personal cruiser, this 39 horsepower diesel engine provides the power you need—without compromising efficiency.

Key Benefits:

  • Reliable Naturally Aspirated Performance
    Generates 39HP at 3,000 RPM for steady and responsive propulsion across various load conditions.

  • Compact Footprint
    Ideal for installations where space is limited, with a lightweight design that simplifies mounting.

  • Clean and Eco-Friendly Operation
    Fully compliant with IMO Tier II and EPA Tier II marine diesel emission standards.

  • Fuel-Saving Diesel Technology
    Delivers outstanding fuel economy for extended range and reduced running costs.

  • Corrosion-Resistant Durability
    Built with marine-grade materials to withstand saltwater environments and heavy-duty use.

  • Low Noise & Vibration
    Engineered for smooth, quiet cruising—ideal for both leisure and light commercial use.

Technical Specifications

Specification Details
Model YANMAR 3JH5E
Engine Type 3-Cylinder, 4-Stroke, Naturally Aspirated
Displacement 1.642 Liters
Rated Output 39 HP / 3,000 RPM
Fuel Type Diesel
Cooling System Freshwater with Heat Exchanger
Dry Weight 192 kg / 423 lbs
Dimensions (L × W × H) 775 mm × 525 mm × 670 mm
Emission Certifications IMO Tier II, EPA Tier II
Gearbox KM35P or KM35A (Factory Installed)
Warranty 5 Years (Manufacturer Warranty)

Package Includes

When you purchase the YANMAR 3JH5E 39HP Diesel Marine Engine from Rembulan Fishing Store, your package will include:

  • Brand-new YANMAR 3JH5E engine

  • Factory-installed gearbox (KM35P or KM35A)

  • Freshwater heat exchanger cooling system

  • 12V starter motor and 125A alternator

  • Flexible engine mounts to reduce vibration

  • Fuel pre-filter with integrated water separator

  • Exhaust mixing elbow (L-type)

  • 5-meter wiring harness

  • Freshwater expansion tank

  • Belt safety cover

  • Full installation and operation manuals

All components are genuine YANMAR, ensuring maximum compatibility and long-term performance.

Optional Accessories

Customize your 3JH5E engine setup with the following upgrades:

  • High-riser exhaust mixing elbow

  • Secondary alternator (12V – 125A or 24V – 60A)

  • VC10 Vessel Control System

  • NMEA2000 Engine Monitoring System

  • Extended wiring harness (3m, 5m, 10m options)

  • Hot water kit for onboard systems

  • Spare parts kit for maintenance at sea

  • Propeller cone nut kit for SD60 configuration

Applications

The YANMAR 3JH5E is a powerful and efficient inboard engine suitable for a wide range of marine applications:

  • Monohull sailing yachts

  • Small catamarans

  • Displacement motorboats and sloops

  • Light-duty fishing boats

  • Offshore leisure and charter vessels

5-Year Manufacturer’s Warranty