Commercial Marine

Reliability / Integrity / Excellence
Enriching lives through innovative, sustainable power solutions.

Commercial Marine Engines

Mack Boring is one of America’s leading distributors of marine diesel engines. With a deep inventory of engines and parts in stock, ready for immediate shipment, there is no need to wait months for your new or repower requirements. Our technical support can help answer your questions concerning power train, propulsion, cooling, etc. We’ll help you make the right choices to save money while maximizing your boat’s performance and dependability potential. Mack Boring can provide you with the dependable power you need, along with the technical support you need now and after the sale.

Model Rating Horsepower RPM Tier Weight (lb)
S6B3-Y3MPTAW Heavy Duty 429 1960 US Tier 3 2889
2YM15 LCD 14 3600 US Tier 3 227
DI13 080M ICFN 250-400 1800 US Tier 3 2623
3YM20 LCD 21 3600 US Tier 3 266
DI13 081M ICFN 450-500 1800 US Tier 3 2623
DI13 082M IFN 450-500 2100 US Tier 3 2623
DI13 083M IFN 550-600 2100 US Tier 3 2623
3YM30AE LCD 29 3600 US Tier 3 280
DI13 085M PCL 650 2300 US Tier 3 2623
4JH45 LCD 45 3000 US Tier 3 485
DI13 086M PCL 600 2300 US Tier 3 2623
4JH57 LCD 57 3000 US Tier 3 485
DI13 086M PCS 675 2300 US Tier 3 2623
S6A3-Y3MPTK Medium Duty 543 1840 US Tier 3 4100
4JH80 LCD 80 3200 US Tier 3 505
DI16 080M ICFN 550-626 1800 US Tier 3 3682
S6R-Y3MPTAW Heavy Duty 630 1600 US Tier 3 6240
4JH110 LCD 110 3200 US Tier 3 505
DI16 081M IFN 650-700 2100 US Tier 3 3682
S6R2-Y3MPTAW Medium Duty 803 1400 US Tier 3 6395
8LV320 LCD 320 3800 US Tier 3 992
DI16 082M IFN 800 2100 US Tier 3 3682
8LV350 LCD 350 3800 US Tier 3 992
DI16 083M PCL 800 2300 US Tier 3 3682
S12R-Y3MPTAW-3 Heavy Duty 1260 1600 US Tier 3 11731
6LY400 LCD/L 400 3300 US Tier 3 1290
DI16 083M PCS 850-900 2300 US Tier 3 3682
S16R-Y3MPTAW Heavy Duty 1676 1600 Us Tier 3 14950
6LY440 LCD 440 3300 US Tier 3 1290
SE126E25 1,2,3 120 2500 US Tier 3 750
SE144E38 4-Cyl 2,3 144 3800 US Tier 3 580
SE156E26 1,2,3 150 2600 US Tier 3 750
SE156E32 1,2,3 150 3200 US Tier 3 750
SE164E40 4-Cyl 2,3 160 4000 US Tier 3 580
SE196E35 1,2,3 190 3500 US Tier 3 750
SE236E40 1,2,3 231 4000 US Tier 3 750
SE236S36 1 231 3600 US Tier 3 750
SE266E40 2,3 258 4000 US Tier 3 750
SE266S36 1 258 3600 US Tier 3 750
SE286E40 2,3 279 4000 US Tier 3 750
SE306J38 2,3 292 3800 US Tier 3 750