Monday, July 22, 2024


Model: 4LM

Brand: Yanmar

YANMAR 4LM 59.1HP Marine Engine - Product Specification Listing


The YANMAR 4LM marine engine is a reliable and efficient power solution designed for marine applications. With a power output of 59.1 HP, it is suitable for a variety of vessels, offering robust performance and durability.

Engine Specifications

  • Model: YANMAR 4LM
  • Power Output: 59.1 HP (Horsepower)
  • Type: 4-stroke, water-cooled diesel engine
  • Number of Cylinders: 4
  • Bore x Stroke: [Provide specific measurements if available, e.g., 86mm x 96mm]
  • Displacement: [Provide specific volume if available, e.g., 2.2 liters]
  • Rated RPM: [Provide specific RPM if available, e.g., 2800 RPM]
  • Aspiration: Naturally aspirated
  • Compression Ratio: [Provide specific ratio if available, e.g., 18:1]

Fuel System

  • Fuel Type: Diesel
  • Fuel Consumption: [Provide specific rate if available, e.g., 7.5 liters per hour at 2800 RPM]

Cooling System

  • Type: Water-cooled
  • Cooling System Capacity: [Provide specific volume if available]

Lubrication System

  • Type: Forced lubrication with trochoid pump
  • Oil Capacity: [Provide specific volume if available]

Electrical System

  • Starter: Electric
  • Alternator: [Provide specific information if available, e.g., 12V 60A]

Dimensions and Weight

  • Dimensions (L x W x H): [Provide specific measurements if available]
  • Dry Weight: [Provide specific weight if available]

Mounting and Installation

  • Mounting Type: Flexible engine mounts
  • Installation Orientation: Horizontal

Operational Features

  • Controls: Remote throttle and shift control
  • Gauge Set: Engine temperature, oil pressure, tachometer, hour meter, voltmeter
  • Noise Level: [Provide specific decibel if available]

Environmental Compliance

  • Emission Standards: [Provide specific standards if available, e.g., IMO Tier II compliant]

Safety Features

  • Overheat Protection: Built-in warning system
  • Low Oil Pressure Alert: Automatic shutdown mechanism
  • Gearbox Protection: Overload protection system

Optional Accessories

  • Engine Cover: Protective cover available
  • Spare Parts Kit: Comprehensive spare parts and tools
  • Exhaust System: Customizable exhaust components

Warranty and Support

  • Warranty: [Specify warranty details, e.g., 2-year limited warranty]
  • Support: 24/7 customer support and access to authorized service centers worldwide


The YANMAR 4LM 59.1HP marine engine is ideal for:

  • Small to mid-sized sailboats
  • Motorboats
  • Fishing vessels
  • Auxiliary power units

Contact Information

For more details and purchasing inquiries, contact:

  • Website: [YANMAR official website link]
  • Customer Service: [Customer service number and email]


Specifications may vary based on the latest model updates. It is recommended to consult with an authorized dealer or the manufacturer for the most current information.

This specification listing provides essential information about the YANMAR 4LM 59.1HP marine engine. It is always advisable to verify details with official sources or authorized dealers to ensure accuracy and up-to-date information.

[Product Type: Engine]

Product Specifications

Power 59.1 HP (44.06kw)

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