Volvo Penta D2-50 MS25L marine diesel engine 50hp

$12,956.00

For buyers searching volvo penta marine diesel engines for sale, the D2-50 remains one of the most popular options in the 50 HP marine diesel class.

Description

Volvo Penta D2-50 MS25L Marine Diesel Engine 50HP For Sale | Coastal Wave Marine

Reliable 50 HP Marine Diesel Power for Sailboats & Small Commercial Vessels

The Volvo Penta D2-50 MS25L marine diesel engine 50HP for sale at Coastal Wave Marine is a proven, naturally aspirated 4-cylinder diesel designed for sailboats, displacement hulls, and light commercial applications. Known for its durability, smooth operation, and fuel efficiency, the D2-50 is a trusted choice among owners seeking dependable auxiliary power.

For buyers searching volvo penta marine diesel engines for sale, the D2-50 remains one of the most popular options in the 50 HP marine diesel class.

Engine Design & Real-World Performance

The D2-50 features a 2.2-liter inline 4-cylinder diesel engine with:

  • Mechanical, cam-driven in-line fuel injection

  • Naturally aspirated configuration

  • Freshwater cooling system

  • Robust cast-iron engine block

This design prioritizes long service life and ease of maintenance—qualities highly valued by customers comparing 50 hp marine diesel options or upgrading from smaller auxiliary engines.

Smooth, Quiet & Comfortable Operation

Thanks to its dynamically balanced construction and efficient rubber engine mounts, the D2-50 delivers:

  • Low vibration levels

  • Quiet cruising RPM

  • Improved onboard comfort for extended passages

These features make it especially suitable for cruising sailboats and liveaboard applications.

High Marine Torque at Low RPM

Like all volvo marine diesel engines, the D2-50 delivers strong torque at low RPM. This provides confident maneuvering in marinas, strong headwinds, and tight docking situations—critical advantages over gasoline alternatives.

Efficient Electrical Charging

The D2-50 comes equipped with a high-output alternator designed to support modern onboard systems:

  • Rapid battery charging at idle

  • Strong output at cruising speed

  • Ideal for refrigeration, navigation electronics, and onboard lighting

Freshwater Cooling for Extended Engine Life

Standard freshwater cooling minimizes internal corrosion and thermal stress, helping ensure consistent operating temperatures and long-term reliability—especially important in saltwater environments.

Position Within the Volvo Penta D2 Range

The D2-50 fits neatly between smaller auxiliary engines and higher-output models such as the volvo penta d2-55 for sale and volvo penta d2-60 price category. For buyers comparing 60 hp marine diesel engines for sale, the D2-50 offers excellent efficiency when full 60 HP output is not required.

Technical Specifications – Volvo Penta D2-50 MS25L

Specification Details
Engine Model Volvo Penta D2-50 MS25L
Engine Type Inline 4-cylinder marine diesel
Displacement 2.2 L
Rated Power 50 HP (37 kW)
Rated RPM 3000
Aspiration Naturally aspirated
Fuel System Mechanical in-line injection pump
Cooling System Freshwater cooled / heat exchanger
Alternator Output Up to 115 A
Emissions IMO NOx compliant
Application Sailboats, small motor vessels

Warranty & Buyer Confidence

Factory Warranty

  • Volvo Penta limited manufacturer warranty

  • Covers defects in materials and workmanship

  • Warranty duration varies by region and usage

Why Buy from Coastal Wave Marine

  • Specialization in volvo marine engines for sale

  • Verified engine sourcing and documentation

  • Pre-sale application and compatibility guidance

  • Support with parts, service, and logistics

Frequently Asked Questions (FAQs)

Is the Volvo Penta D2-50 suitable for sailboats?

Yes. It is one of the most commonly installed auxiliary engines for cruising and performance sailboats worldwide.

How does it compare to the D2-55 or D2-60?

The D2-50 prioritizes simplicity and efficiency, while the volvo penta d2-55 for sale and D2-60 offer higher output for heavier vessels.

Is this engine fuel-efficient?

Yes. Naturally aspirated design and low cruising RPM make it economical for long passages.

Are parts and service widely available?

Yes. Volvo Penta maintains a global service and parts network.