New YANMAR 3YM20 21HP Marine Inboard Engine

Description

YANMAR 3YM20 21HP Marine Inboard Engine for Sale – Compact Diesel Engine for Small Boats

The YANMAR 3YM20 is a compact 21 HP marine diesel inboard engine designed for auxiliary propulsion in sailing yachts and small motor vessels. This model is commonly used in both commercial and private marine applications where reliability, fuel efficiency, and compact installation dimensions are required. The engine is suitable for shaft-drive installations and is widely applied in new builds and repower projects.

This product listing is for a brand-new marine diesel inboard engine, supplied as a standalone propulsion unit unless otherwise stated.

Technical Specifications

• Engine model: Yanmar 3YM20

• Engine type: Marine diesel inboard engine

• Rated power: 21 HP

• Cooling system: Freshwater cooling with heat exchanger

• Fuel type: Diesel

• Aspiration: Naturally aspirated

• Application: Shaft-drive marine propulsion

Detailed technical specifications, dimensional drawings, and installation requirements are available upon request.

What’s Included

The standard supply includes:

• Yanmar 3YM20 marine diesel inboard engine

• Standard manufacturer-supplied engine accessories

• Factory documentation provided by the manufacturer

Included components are limited to what is supplied by Yanmar as standard for this engine model.

What’s Not Included

Unless specifically stated in the quotation, the following items are not included:

• Marine gearbox / transmission

• Control panel and wiring harness

• Propeller, shaft, or coupling

• Installation labor or commissioning services

• Fluids, fuel system components, or exhaust accessories

Optional accessories and compatible gearboxes can be quoted separately upon request.

Condition & Authenticity

This engine is supplied brand new, unused, and OEM-manufactured by Yanmar. Each unit is delivered factory-sealed and accompanied by the appropriate manufacturer documentation. We do not sell used, reconditioned, or refurbished engines.

Warranty Information

The Yanmar 3YM20 is supplied with the applicable manufacturer warranty. Warranty registration is processed prior to dispatch in accordance with manufacturer procedures. Warranty coverage and terms may vary depending on application and region; full details are provided during the quotation stage.

Shipping & Delivery

We offer global shipping for marine engines. Shipping method, lead time, and cost depend on destination and delivery requirements.

Export shipments typically include:

• Commercial invoice

• Packing list

• Manufacturer documentation

• Export-ready packaging

Estimated lead times and delivery options are confirmed as part of the quotation process.

Ordering & Payment Process

Marine engines are high-value technical products and are supplied through a quotation-based ordering process:

1. Submit an order request or inquiry for the product

2. Receive an official quotation and proforma invoice

3. Engine allocation, inspection, and documentation processing

4. Dispatch following payment confirmation

This process ensures accuracy, compliance, and proper handling of each order.

Returns & Refunds

Returns and refunds are handled in accordance with our Returns & Refund Policy. Due to the nature of marine engines, returns are subject to inspection and eligibility conditions. Full terms are available on our Returns & Refunds page or upon request.

Additional Notes

• This product is intended for marine propulsion applications only

• Installation must be carried out by qualified marine professionals

• Product images are for reference purposes and may vary by production batch

• Compatibility with existing gearboxes or installations should be confirmed prior to purchase

For technical clarification, compatibility checks, or accessory quotations, please contact our sales team.