Yanmar 4LV150 Marine Diesel Engine: Compact 150hp Power
*High-Performance V-6 Diesel for Sportfish and Motor Yachts*
The Yanmar 4LV150 marine diesel engine delivers exceptional 150 horsepower from an incredibly compact V-6 platform that redefines power density in its class. At Wave Inboard Motors, our certified Yanmar technicians have extensive experience with the 4LV series, making us your trusted partner for professional marine engine installation and maintenance of these high-performance engines.
This 150hp marine diesel engine features a sophisticated V-6 configuration that provides the perfect balance of compact dimensions and smooth operation. For complete operational details, refer to the 【Yanmar 4LV150 Operator’s Manual】 for proper procedures and maintenance schedules. The 4LV150 is ideally suited for sportfish boats 28-35 feet, motor yachts, and performance vessels where space is premium but power is essential.
Technical Specifications
| Specification | Detail |
|---|---|
| Model | Yanmar 4LV150 |
| Engine Type | V-6, 4-stroke, Turbocharged & Aftercooled |
| Displacement | 2.8 L (2800 cc) |
| Max Output | 150 HP (110 kW) @ 3300 RPM |
| Fuel System | Electronic Control |
| Control System | Yanmar Multi-Display |
| Cooling System | Heat Exchanger (Freshwater Cooling) |
| Starting System | 12V Electric Start |
| Alternator Output | 80A (as standard) |
| Dry Weight | 385 kg (849 lbs) |
| Dimensions (LxWxH) | 853mm x 699mm x 699mm |
| Gear Ratio Options | 1.52:1, 1.75:1, 1.97:1, 2.04:1 |
[Image: Technical diagram showing 4LV150 V-6 configuration and key service points]
*Alt-text: Yanmar 4LV150 technical diagram highlighting compact V-6 design*
Performance & Engineering Excellence
Compact V-6 Advantage
The 4LV150’s V-6 configuration provides exceptional power in a remarkably small package, making it ideal for 【sportfish repower projects】 where engine room space is limited. For detailed maintenance procedures and torque specifications, consult the 【Yanmar 4LV150 Service Manual】 available through our technical library.
Advanced Electronic Management
Yanmar’s integrated monitoring system provides comprehensive engine data and diagnostics. When planning your 【marine engine repower】, this system ensures optimal performance matching and provides valuable information during annual marine engine maintenance.
Competitor Comparison
| Feature | Yanmar 4LV150 | Volvo Penta D3-110 | Cummins QSB4.5-150 |
|---|---|---|---|
| Configuration | V-6 Compact Design | Inline-5 | Inline-4 |
| Power | 150 HP @ 3300 RPM | 110 HP @ 3500 RPM | 150 HP @ 3000 RPM |
| Weight | 849 lbs (385 kg) | 507 lbs (230 kg) | 1025 lbs (465 kg) |
| Dimensions | Most Compact in Class | Moderate | Largest Footprint |
| Service Network | Global Yanmar Support | Global Volvo Penta | Global Cummins |
| Ideal For | Space-constrained installations | General marine use | Heavy-duty applications |
Verdict: The 4LV150 wins on power density and compact design. While the Volvo Penta is lighter and the Cummins offers inline simplicity, the Yanmar delivers the most horsepower in the smallest package – crucial for 【sportfish and performance vessels】 where every inch counts.
Installation & Repower Solutions
When considering the 4LV150 for your yacht repower project, several key factors ensure optimal performance:
Space Optimization:
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Perfect for tight engine rooms (refer to 【Yanmar 4LV150 Installation Manual】)
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Excellent weight distribution for performance hulls
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Multiple gear ratio options for optimal propeller matching
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Choosing the right HP for your vessel analysis available
Performance Characteristics:
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Quick acceleration for offshore fishing
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Smooth V-6 operation reduces vibration
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Excellent power-to-weight ratio
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Ideal for single vs twin engine installation configurations
[Image: 4LV150 installation in a sportfish boat showing space-efficient mounting]
*Alt-text: Yanmar 4LV150 installed in sportfish engine room demonstrating compact fit*
Maintenance & Technical Support
Comprehensive Service Program
Our 【Yanmar certified maintenance】 program for the 4LV150 includes:
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Regular fuel system service
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Cooling system maintenance
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Electronic system diagnostics
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【Performance optimization】 tuning
Technical Resources Available
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【4LV150 Troubleshooting Guide】 for common issues
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【Parts and service catalog】 for maintenance items
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【Installation specifications】 for repower projects
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【Electronic system manual】 for control setup
Honest Assessment: Pros & Cons
| Pros | Cons |
|---|---|
| Extremely compact V-6 design | Higher cost per horsepower |
| Excellent power-to-weight ratio | Complex service accessibility |
| Smooth, balanced operation | Requires specialized knowledge |
| Global Yanmar support network | Premium pricing |
| Perfect for space-constrained applications |
Applications & Next Steps
The Yanmar 4LV150 excels in applications where space is limited but performance is critical. From sportfish boats requiring quick hole shots to motor yachts needing compact power, this engine delivers exceptional performance in a minimal footprint.
Access Technical Documents:
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【4LV150 Operator’s Manual】 – Daily operation and care
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【4LV150 Service Manual】 – Detailed repair procedures
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【Installation Guide】 – Proper mounting specifications
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【Electronic System Manual】 – Control setup and troubleshooting
[Image: Wave Inboard Motors technician performing service on 4LV150]
*Alt-text: Certified Yanmar technician servicing 4LV150 engine*
Contact us today to discuss how the 4LV150 can power your next project. Our 【Yanmar certified technicians】 are ready to provide expert guidance and professional installation services.
Continue your research:
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【Sportfish Repower Planning Guide】
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【Compact Diesel Engine Applications】
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【Marine Engine Power Density Comparison】
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【V-6 vs Inline Diesel Performance】
Call to Action: Ready to maximize your engine room space without sacrificing performance? Contact Wave Inboard Motors for a comprehensive 4LV150 consultation and installation quote today.

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