Reliable, Clean, Quiet and Powerful.

At the core of Cummins' high horsepower marine engines is the reliability and durability derived from diesel powerhouses proven in the toughest, most remote applications in the world.

Cummins' range of Quantum electronic engines for recreational propulsion delivers best-in-class power density and fuel economy along with ultra-low emissions and significantly reduced noise. Apart from developing industry-leading products, Cummins also continues to invest in its service support network so boating enthusiasts can enjoy their life on the water.

For commercial/workboat applications, Cummins offers a choice of Quantum electronic or mechanically-injected propulsion engines up to 95 litres. 

Cummins offers a complete line of propulsion, generating set and auxiliary power solutions from 6.7 to 95 litres. Cummins marine diesel engines designed specifically for a wide variety of commercial, recreational and military marine applications: 

  • Cargo ships
  • Coastguard & patrol boats
  • Dredging
  • Passenger ferries
  • Fishing
  • Recreational vessels
  • Offshore support
  • Tugs
  • Yachts

To learn more about Cummins marine engines, contact your local Cummins representative.

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Models and Ratings

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Column name 1: 
Engine model
Column name 2: 
Propulsion Power BHP (kW)
Column name 3: 
Auxiliary Power BHP (kW)
Column name 4: 
Application
Column name 10: 
Spec Sheet
Column value 1: 
6BT5.9
Column value 2: 
n/a
Column value 3: 
104-122 hp (78-91)
Column value 4: 
Commercial & Recreational
Column value 1: 
QSB6.7
Column value 2: 
227-542 hp (169-405)
Column value 3: 
164-220 hp (122-164)
Column value 4: 
Commercial
Column value 1: 
QSB6.7
Column value 2: 
227-542 hp (169-405)
Column value 3: 
164-220 hp (122-164)
Column value 4: 
Recreational
Column value 1: 
6C8.3
Column value 2: 
n/a
Column value 3: 
219-220 hp (163-164)
Column value 4: 
Commercial & Recreational
Column value 1: 
QSC8.3
Column value 2: 
493-592 hp (368-441)
Column value 3: 
n/a
Column value 4: 
Commercial
Column value 1: 
QSC8.3
Column value 2: 
493-592 hp
Column value 3: 
n/a
Column value 4: 
Receational
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Column value 1: 
QSL9
Column value 2: 
290-410 hp
Column value 3: 
n/a
Column value 4: 
Commercial
Column value 1: 
QSL9
Column value 2: 
290 - 410 hp
Column value 3: 
n/a
Column value 4: 
Recreational
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Column value 1: 
QSM11
Column value 2: 
300-715 hp
Column value 3: 
355 hp (265)
Column value 4: 
Commercial
Column value 1: 
QSM11
Column value 2: 
300 - 715 hp
Column value 3: 
355 hp (265)
Column value 4: 
Recreational
Column value 1: 
N855
Column value 2: 
260-480 hp
Column value 3: 
395-480 hp (295-358)
Column value 4: 
Commercial & Recreational
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Column value 1: 
KTA19
Column value 2: 
450-700 hp
Column value 3: 
450-600 hp (336-447)
Column value 4: 
Commercial & Recreational
PDF upload: 
Column value 1: 
QSK19
Column value 2: 
500-800 hp
Column value 3: 
580 hp (433)
Column value 4: 
Commercial & Recreational
PDF upload: 
Column value 1: 
KTA38
Column value 2: 
850-1500 hp
Column value 3: 
850-1180 hp (634-880)
Column value 4: 
Commercial & Recreational
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Column value 1: 
QSK38
Column value 2: 
1000-1400 hp
Column value 3: 
1320 hp (984)
Column value 4: 
Commercial & Recreational
PDF upload: 
Column value 1: 
KTA50
Column value 2: 
1180-1875 hp
Column value 3: 
1180-1470 hp (880-1097)
Column value 4: 
Commercial & Recreational
PDF upload: 
Column value 1: 
QSK50
Column value 2: 
1700-2200 hp
Column value 3: 
1730 hp (1290)
Column value 4: 
Commercial & Recreational
PDF upload: 
Column value 1: 
QSK60
Column value 2: 
2000-2700 hp
Column value 3: 
2095-2547 hp (1563-1900)
Column value 4: 
Commercial & Recreational
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Column value 1: 
QSK95
Column value 2: 
3200-4200 hp
Column value 3: 
3353 hp (2500)
Column value 4: 
Commercial & Recreational
PDF upload: