Mack Boring & Parts Company

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News & Updates

Diesel Engine Seminar preps sailor for 10 years of "what-ifs"
Sailor, Devin Taylor, preps for 10 years of “what-ifs” by attending Mack Boring's diesel maintenance seminar before setting sail for his 10-year voyage around the world.

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

World Class Service

Service after the sale is what separates Mack Boring from the competition.
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24 valve, 4-stroke, vertical, water cooled diesel engine
Uploaded files: 6LY3-STP Technical Data

Product Number: 6LY3-STP
Model: 6LY3-STP
Kilowatts (KW): 324
Horsepower (HP): 440
RPM: 3300
Weight (kg): 640
Weight (lbs): 1411