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VETUS Around the Engine Program VETUS VETUS – Now a Yanmar company – is offering an expanded menu of engine and engine-related accessories to its dealers through our Around the Engine program.
VETUS Engine Accessories

Hinckley Picnic Boat repowered with Yanmar 8LV diesel engines "It's the best performing picnic boat ever...they got it right."
Jason Smith
Owner, Boat Yard Services

Yanmar engines and Aquadrive anti-vibration systems are a perfect pair. View photos of Yanmar/Aquadrive applications

Recreational Marine


Free Yanmar Performance Reports

FREE REPOWER PERFORMANCE REPORTS

Yanmar is the first name in 9-900 HP Recreational Marine diesel power. Mack Boring & Parts Company has been a leading North American supplier of Yanmar marine diesel engines for over 30 years. Find out what it means to experience the power of the market's preferred diesel, supported by one of the most established and reliable diesel supply partners - anywhere.

Browse our full lineup of Yanmar Marine Diesel Engines

NEW PRODUCT ANNOUNCEMENT: VETUS Around the Engine Accessory Line

Join the VETUS-Yanmar Around the Engine program and access more of the engine accessories and parts you need.

VETUS – Now a Yanmar company – is offering an expanded menu of engine and engine-related accessories to its dealers through our Around the Engine program. For more information and a list of available parts click here.

Product Spotlight: Yanmar BY Series Engines


Yanmar BY Series
The latest "powerful gem" from Yanmar, the BY series engine is perfect for your repower or new boat construction. A compact design featuring common rail injection and the best fuel economy in its class, the BY is the clear choice for your next marine propulsion project. The BY is 35% lighter than its competitors, available in both inboard and sterndrive packages and is backed by the best dealer support network in the industry.

See Technical Specifications:

4BY (4-Cylinder)

6BY (6-Cylinder)

Just some of the reasons to choose the BY:

  • Powerful and Efficient
  • Low Vibration and Low Noise
  • Easy and Low Maintenance
  • Light and Durable
  • Clean and Safe Engine Room
  • Compact Engine Dimensions
  • NMEA 2000 CAN-bus Technology
  • Lower Fuel Consumption
  • Meets Emission Regulations
  • Worldwide Support Network