Description

YANMAR 4JH5E 54HP Marine Diesel Inboard Engine – Reliable, Clean Power for Sailboats and Light Commercial Vessels

The YANMAR 4JH5E 54HP Diesel Marine Inboard Engine delivers trusted performance, fuel efficiency, and low-emission operation in a naturally aspirated package. Engineered to meet the demands of modern sailing yachts and light-duty commercial boats, this 4-cylinder, 4-stroke diesel engine is a compact and durable solution for vessel owners seeking long-term reliability and simplified installation.

At Marine Inboard Specialists, we supply yanmar diesel engine with expert support, fast worldwide shipping, and a full 5-Year Manufacturer’s Warranty.

Why Choose the YANMAR 4JH5E 54HP Inboard Engine?

Designed for efficient cruising and dependable daily operation, the YANMAR 4JH5E is a proven performer among naturally aspirated marine engines. Its corrosion-resistant design and compact layout make it an excellent choice for boaters looking to repower or build new with confidence.

Key Features and Benefits Of YANMAR 4JH5E 54HP Inboard Engine :

  • Naturally Aspirated 54HP Output
    Provides smooth power delivery at 3,000 RPM without the complexity of turbocharging.

  • High Fuel Efficiency
    Precision fuel injection reduces fuel consumption and operating costs for long-range cruising.

  • Low Emissions Compliance
    Certified under IMO Tier II and EPA Tier II standards for cleaner operation and reduced environmental impact.

  • Compact and Lightweight
    Weighing only 192 kg, it is easy to install in various vessel types with limited engine bay space.

  • Marine-Grade Durability
    Built to endure saltwater environments with corrosion-resistant components and a robust cooling system.

  • 5-Year Warranty Coverage
    Backed by YANMAR’s industry-leading support and parts availability.

Ideal Applications Of YANMAR 4JH5E 54HP Inboard Engine

The YANMAR 4JH5E is perfectly suited for:

  • Sailing yachts and monohulls

  • Catamarans and multihull vessels

  • Leisure cruisers and motorboats

  • Light-duty commercial craft

  • Small fishing boats

Technical Specifications

Specification Details
Model Name YANMAR 4JH5E
Engine Type 4-Cylinder, 4-Stroke, Naturally Aspirated
Rated Output 54 HP (40 kW) @ 3,000 RPM
Displacement 2.19 Liters
Fuel Type Diesel
Cooling System Freshwater Cooling with Heat Exchanger
Alternator 12V – 125A
Dry Weight 192 kg / 423 lbs
Dimensions (L × W × H) 786 mm × 532 mm × 673 mm
Emission Compliance IMO Tier II, EPA Tier II
Gearbox Factory Installed (KM Series)

What’s Included in the Package

When you purchase the YANMAR 4JH5E 54HP Diesel Inboard Engine from Marine Inboard Specialists, your package includes:

  • Brand-new YANMAR 4JH5E engine

  • Factory-installed marine gearbox

  • Freshwater heat exchanger cooling system

  • Starter motor and alternator (12V – 125A)

  • Flexible engine mounts

  • Fuel pre-filter with integrated water separator

  • L-Type exhaust mixing elbow

  • 5-meter wiring harness with connectors

  • Freshwater expansion tank

  • Belt safety cover

  • Complete installation and operation manuals

Optional Accessories

Customize your engine system with these available upgrades:

  • High-Riser Exhaust Mixing Elbow

  • Secondary Alternator – 12V or 24V

  • VC10 Vessel Control System

  • NMEA2000 Engine Monitoring System

  • Extended Wiring Harnesses – 3m, 5m, 10m

  • Hot Water Kit – For onboard water heating

  • Propeller and Shaft Kits

  • Onboard Spare Parts Kit – Ideal for long voyages

Warranty Coverage

All YANMAR engines from Marine Inboard Specialists include a 5-Year Manufacturer’s Warranty, covering:

  • Defects in materials and workmanship

  • Valid for up to 2,000 operational hours or 5 years, whichever comes first

  • Optional extended service plans available upon request

  • Global parts and service support through YANMAR’s international network

Frequently Asked Questions (FAQs)

1. What makes the YANMAR 4JH5E 54HP engine unique?
Its naturally aspirated design offers simplicity, reliability, and fuel efficiency, making it an excellent choice for boaters who want low maintenance and smooth operation.

2. Is the gearbox included?
Yes, it includes a factory-installed gearbox to simplify installation and improve performance.

3. Which types of vessels is this engine ideal for?
Sailing yachts, catamarans, leisure crafts, small fishing vessels, and light commercial boats.

4. How efficient is this engine?
The optimized fuel injection system ensures reduced fuel usage and lower overall operational costs.

5. Is the engine eco-friendly?
Yes, it meets IMO Tier II and EPA Tier II emission standards for cleaner operation.

6. Can I purchase spare parts and accessories?
Absolutely. We supply a full range of genuine YANMAR parts and optional accessories.

7. Does Marine Inboard Specialists ship worldwide?
Yes, we provide fast and secure international delivery to customers across Europe, North America, Asia, and more.

8. Do you offer installation services?
Yes, we offer professional installation support and can connect you with certified marine mechanics.

Order Your YANMAR 4JH5E Engine Today

Ready to equip your vessel with a compact, efficient, and dependable marine engine? The YANMAR 4JH5E 54HP yanmar diesel motors delivers proven performance and peace of mind for boat owners around the world.

Contact Marine Inboard Specialists today to receive a custom quote, check availability, or discuss optional accessories and installation support.

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