Mack Boring & Parts Company

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 has separated Mack Boring from the competition for over 85 years.
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Discontinued Historical/Discontinued Powerboat Models

Model	Kilowatts (KW)	Horsepower	RPM	Weight (kg)	Weight (lb)
4BY150	110	150	4000	250	551
4BY150Z Sterndrive	110	150	4000	250	551
4LHA-HTE	110	150	3300	365	805
4LHA-HTP	118	160	3300	342	754
4LHA-HTZP Sterndrive	118	160	3300	476	1049
4LH-DTE	125	170	3300	406	895
4BY180	132	180	4000	250	551
4BY180Z Sterndrive	132	180	4000	250	551
4LHA-DTE	140	190	3300	365	805
4LHA-DTP	147	200	3300	342	754
4LHA-DTZP Sterndrive	147	200	3300	482	1063
6BY220	162	220	4000	310	683
6BY220Z Sterndrive	162	220	4000	310	683
4LH-STE	169	230	3300	375	827
4LHA-DTE	169	230	3300	365	805
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