The Yanmar 4LHA-STP, available at Dale Sailing, is a robust and high-performance marine diesel engine designed for powerboats and small craft. This 4-stroke, vertical, water-cooled engine features advanced fuel injection technology with a direct injection system, ensuring efficient and reliable operation. With a maximum output of 240 HP (177 kW) at 3300 RPM, the 4LHA-STP delivers exceptional power and performance.
Key technical specifications include:
- Configuration: In-line, 4-stroke, vertical, water-cooled diesel engine
- Displacement: 3.455 liters (211 cubic inches)
- Bore x Stroke: 100 mm x 110 mm (3.94 in x 4.33 in)
- Aspiration: Turbocharged with intercooler
- Combustion System: Direct injection with in-line pump
- Starting System: Electric starting 12V – 1.4 kW
- Cooling System: Fresh water cooling by centrifugal water pump and rubber impeller sea water pump
- Lubrication System: Enclosed, forced lubricating system
- Direction of Rotation (crankshaft): Counterclockwise viewed from flywheel side
- Dry Weight (without gear): 365 kg (805 lbs)
- Engine Dimensions (L x W x H): 1151 mm x 755 mm x 772 mm
- Emission Compliance: EU RCD 1, IMO Tier 2, BSO II, EMC, SOLAS
- Engine Management: Mechanical
- Alternator: 12V – 80A
- Engine Lube Oil Specifications: API class CD or higher, SAE grade 10W-30 or 15W-40
The engine’s fresh water cooling system, combined with a centrifugal water pump and rubber impeller sea water pump, ensures optimal temperature regulation. Additionally, the enclosed, forced lubricating system and rubber type flexible mounting contribute to its durability and smooth operation. Whether for leisure or commercial use, the Yanmar 4LHA-STP from Dale Sailing is a versatile and dependable choice for marine enthusiasts.
Founded in 1912 in Osaka, Japan, Yanmar has a rich history of innovation and excellence in engine manufacturing. The company was established by Magokichi Yamaoka, who was driven by the vision of creating reliable, compact, and efficient engines to ease the burden on workers. Yanmar introduced the world’s first practical small diesel engine in 1933, revolutionizing the industry. Today, Yanmar is a global leader in diesel engine technology, known for its commitment to quality, sustainability, and customer satisfaction. With over a century of experience, Yanmar continues to deliver cutting-edge solutions for marine, agricultural, and industrial applications.
Additional Information:
- Fuel Efficiency: The Yanmar 4LHA-STP, available at Dale Sailing, is designed to be highly fuel-efficient, reducing operational costs and environmental impact. The advanced direct injection system optimizes fuel consumption, ensuring maximum efficiency.
- Noise and Vibration Reduction: The engine is engineered to minimize noise and vibration, providing a smoother and quieter boating experience. This is achieved through the use of rubber type flexible mounting and advanced engineering techniques.
- Maintenance and Support: Yanmar engines are known for their ease of maintenance and robust support network. The 4LHA-STP is no exception, with readily available parts and a comprehensive service network to ensure your engine remains in top condition.
- Customer Reviews: Users have praised the Yanmar 4LHA-STP for its reliability and performance. Many have reported trouble-free operation and commend the engine’s power and efficiency.
