Mack Boring & Parts Company

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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Inboard Reliable, efficient and compact, Yanmar inboard sailboat engines are the best available. Easy to maintain and user-friendly, Yanmar inboards offer more torque and powerful electrical systems in a whisper-quiet, low vibration package.

Model	Kilowatts (KW)	Horsepower	RPM	Weight (kg)	Weight (lb)
1GM10	7	9	3600	76	167
2YM15	10	14	3600	103	227
3YM20	15	21	3600	120	266
3YM30	21	29	3600	133	293
3JH5E	29	39	3000	173	381
4JH5E	40	53	3000	201	443
4JH4-TE	55	75	3200	207	456
4JH4-HTE1	72	97	3200	217	478
4JH4-HTE	80	110	3200	217	478