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YANMAR 3YM20 21.7HP

Brand
Yanmar
Model
3YM20
Type
Engine
Application
Commercial

Description

Product Specification Listing for YANMAR 3YM20 21.7HP Marine Engine


General Information:

  • Model: YANMAR 3YM20
  • Engine Type: Vertical, water-cooled, 4-stroke, naturally aspirated diesel engine
  • Engine Power: 21.7 HP (16 kW) @ 3600 RPM
  • Displacement: 0.854 liters (854 cc)
  • Cylinder Configuration: In-line 3 cylinders

Performance Data:

  • Maximum RPM: 3600 RPM
  • Continuous Rating: 20.0 HP @ 3400 RPM
  • Fuel Consumption: 2.2 L/h at maximum output
  • Torque: 45.6 Nm @ 2000 RPM

Physical Dimensions:

  • Length: 719 mm (28.3 inches)
  • Width: 451 mm (17.8 inches)
  • Height: 538 mm (21.2 inches)
  • Dry Weight: 115 kg (253 lbs)

Fuel System:

  • Fuel Type: Diesel
  • Fuel Injection System: Indirect injection
  • Fuel Tank Capacity: Depends on installation configuration

Electrical System:

  • Alternator: 12V, 125A
  • Starter Motor: 12V, 1.4 kW
  • Battery Charging Capacity: 90A (optional)
  • Battery Voltage: 12V

Cooling System:

  • Cooling Type: Water-cooled with heat exchanger
  • Coolant Capacity: 2.2 liters

Lubrication System:

  • Lubrication Method: Forced lubrication by trochoid pump
  • Lubricating Oil Capacity: 2.7 liters
  • Recommended Oil Grade: SAE 15W-40 API CF or higher

Exhaust System:

  • Exhaust Type: Wet exhaust with water injection (mixing elbow)
  • Exhaust Outlet: 50 mm diameter

Additional Features:

  • Type Approval: BSO II, SAV, SOLAS, RCD compliance
  • Instrument Panel: Type B panel with tachometer, hour meter, and alarm indicators
  • Controls: Single lever control (optional)

Compliance and Certifications:

  • ISO 9001: Quality Management
  • ISO 14001: Environmental Management
  • RCD: Recreational Craft Directive Compliance
  • Solas: Maritime Safety Regulations

Optional Accessories:

  • High-Rise Exhaust Elbow
  • Second Alternator Kit
  • Saildrive Option

Warranty:

  • Standard Warranty: 2 years or 2000 hours, whichever comes first
  • Extended Warranty: Available upon request

Usage:

The YANMAR 3YM20 marine engine is ideal for a variety of sailing and powerboats, providing reliable power with high fuel efficiency and low emissions. Suitable for both amateur and professional marine applications, offering a compelling balance of performance and durability.


For further details and inquiries, please contact your local YANMAR representative or visit the official YANMAR website.

Specifications

Power 21.7 HP (16.18 kW)

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