Commercial Propulsion Engines
Engine uptime is critical for you, your crew, your clients and your bottom line. Industry-leading technology allows Caterpillar to create the most reliable commercial engines for a variety of applications. From tugs and container vessels to sport fishers, Cat marine engines have demonstrated their efficiency throughout the years. With remarkable reliability and durability, these engines will exceed your expectations for decades to come.
Commercial Propulsion Engines
-
3406C Propulsion Engine
- Power Range
- 365-400 bhp (272-298 bkW)
- Speed Range
- 1800 rpm
- Emissions
- Non-Certified
-
3508C Propulsion Engine
- Power Range
- 775-1100 bhp (578-820 bkW)
- Speed Range
- 1200-1600 rpm
- Emissions
- IMO II, EU IW
-
3512C
- Power Range
- 1281 - 2552 bhp
- Speed Range
- 1200 - 1800 rpm
- Emissions
- IMO II, China II
-
3512C Propulsion Engine (IMO II)
- Power Range
- 1280-2551 bhp (955-1902 bkW)
- Speed Range
- 1200 rpm, 1600 rpm, 1800 rpm
- Emissions
- IMO II, EU IW
-
3512C Tier 3 Marine Propulsion Engine
- Power Range
- 1340-2366 bhp (1000-1765 bkW)
- Speed Range
- 1600-1800 rpm
- Emissions
- EPA Tier 3, IMO II
-
3512E Marine Propulsion Engine (U.S. EPA Tier 4 Final)
- Power Range
- 1341-2550 bhp (1000-1902 bkW)
- Speed Range
- 1600 - 1800 rpm
- Emissions
- U.S. EPA Tier 4, IMO II/III, EU Stage V
-
3512E Marine Propulsion Engine (U.S. EPA Tier 4 Final)
- Power Range
- 1341-2549 bhp (1000-1901 bkW)
- Speed Range
- 1600-1800 rpm
- Emissions
- U.S. EPA Tier 4 Final, IMO III
-
3516C
- Power Range
- 2000-3385 bhp (1492-2525 bkW)
- Speed Range
- 1200-1800 rpm
- Emissions
- IMO II
-
3516C Marine Propulsion Engine
- Power Range
- 1650-3386 bhp (1230-2525 bkW)
- Speed Range
- 1200-1800 rpm
- Emissions
- IMO II
-
3516C Propulsion Engine (Tier 3)
- Power Range
- 2131-2675 bhp (1590-1995 bkW)
- Speed Range
- 1600 rpm
- Emissions
- EPA Tier 3, IMO II
-
3516E Marine Propulsion Engine (U.S. EPA Tier 4 Final)
- Power Range
- 2501-3386 bhp (1865-2525 bkW)
- Speed Range
- 1600 - 1800 rpm
- Emissions
- U.S. EPA Tier 4, IMO II, IMO III, IMO II/III switchable
-
3516E
- Power Range
- 3755-4023 bhp (2800-3000 bkW)
- Speed Range
- 1800 rpm
- Emissions
- IMO II
-
3516E High Output
- Power Range
- 3151 - 4023 bhp (2350 - 3000 bkW)
- Speed Range
- 1800 rpm
- Emissions
- IMO II/ IMO III
-
3516E Marine Propulsion Engine (U.S. EPA Tier 4 Final)
- Power Range
- 2501-3386 bhp (1865-2525 bkW)
- Speed Range
- 1600-1800 rpm
- Emissions
- U.S. EPA Tier 4 Final, IMO III
-
C12 Propulsion Engine
- Power Range
- 340-490 bhp (254-366 bkW)
- Speed Range
- 1800-2300 rpm
- Emissions
- IMO II, U.S. EPA T3
-
Cat C18 ACERT Propulsion Engine (Tier 3)
- Power Range
- 454 - 1136 bhp (339 - 847 bkW)
- Speed Range
- 1500 - 2100 rpm
- Emissions
- U.S. EPA Tier 3 Commercial, IMO II, EU IWW, EU Stage V, China II
-
Cat C18 ACERT Propulsion Engine (IMO II)
- Power Range
- 454-715 bhp (339-533 bkW)
- Speed Range
- 1800-2100 rpm
- Emissions
- IMO II, EU IIIA
-
Cat C18 ACERT Propulsion Engine (Tier 3)
- Power Range
- 454 - 803 bhp
- Speed Range
- 1800 - 2100 rpm
- Emissions
- EPA Tier 3 Commercial, IMO II, EU IWW, China II
-
C280-12
- Power Range
- 4640 - 6035 bhp (3460-4500 bkW)
- Speed Range
- 900 - 1000 rpm
- Emissions
- IMO II, U.S. EPA Tier 4/IMO III (Cat SCR required)
-
C280-12 Marine Propulsion Engine (EPA Tier 4)
- Power Range
- 4962-5444 bhp (3700-4060 bkW)
- Speed Range
- 1000 rpm
- Emissions
- EPA Tier 4, IMO II
-
C280-12 Marine Propulsion Engine (EPA Tier 4)
- Power Range
- 4962-5444 bhp (3700-4060 bkW)
- Speed Range
- 1000 rpm
- Emissions
- EPA Tier 4, IMO II
-
C280-16 Commercial Marine Propulsion Engine
- Power Range
- 6169-8046 bhp (4600-6000 bkW)
- Speed Range
- 900-1000 rpm
- Emissions
- IMO II
-
C280-6 Propulsion Engine
- Power Range
- 2320-2722 bhp (1730-2030 bkW)
- Speed Range
- 900-1000 rpm
- Emissions
- IMO II
-
Cat C280-8 Propulsion Engine
- Power Range
- 3084-4023 bhp (2300-3000 bkW)
- Speed Range
- 900 - 1000 rpm
- Emissions
- IMO II, IMO III/EPA Tier 4
-
C280-8 Marine Propulsion Engine (U.S. EPA Tier 4)
- Power Range
- 3299-3634 bhp (2460-2530 bkW)
- Speed Range
- 1000 rpm
- Emissions
- EPA Tier 4, IMO III
-
Cat C32 ACERT Marine Propulsion Engine (EPA Tier 3)
- Power Range
- 660 - 1600 bhp (492 - 1193 bkW)
- Speed Range
- 1600 - 2300 rpm
- Emissions
- U.S. EPA Tier 3/ Tier 4, IMO II/III, EU Stage V
-
Cat C32 ACERT Marine Propulsion Engine (EPA Tier 3)
- Power Range
- 750-1800 bhp (559-1342 bkW)
- Speed Range
- 1600-2300 rpm
- Emissions
- EPA Tier 3, IMO II, EU IW
-
Cat C32 Propulsion Engine (US EPA Tier 3 / IMO II)
- Power Range
- 660-1600 bhp (492-1193 bkW)
- Emissions
- U.S. EPA Tier 3 / IMO II emissions certified
- Aspiration
- Turbocharged-aftercooled aspiration
-
Cat C32 Propulsion Engine (US EPA Tier 4 / IMO III)
- Minimum Length
- 83.90 in
- 6 Brick Z-Flow - Length
- 147.70 in
- Maximum Length
- 89.80 in
-
Cat C32B
- Power Range
- 1200 - 1700 bhp (895 - 1268 bkW)
- Speed Range
- 1600 - 2300 rpm
- Emissions
- IMO II, IMO II/III, U.S. EPA Tier 4
-
C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)
- Power Range
- 280 bhp - 425 bhp (209 bkW - 317 bkW)
- Speed Range
- 2300 - 2700 rpm
- Emissions
- U.S. EPA Tier 3, IMO II, RCD II, China II
-
C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)
- Length
- 43.10 in
- Height
- 34.50 in
- Configuration
- In-line 6, 4-stroke-cycle diesel
-
C9.3 Commercial Propulsion Engine
- Power Range
- 375-476 bhp (280 - 355 bkW)
- Power Range
- 280 - 355
- Rated Engine Speed
- 1800 - 2300 rpm
-
C9.3 Commercial Propulsion Engine
- Power Range
- 375-476 bhp (280-355 bkW)
- Speed Range
- 1800, 2100, 2300 rpm
- Emissions
- IMO II, U.S. EPA Tier 3, China Stage II
-
High Performance 3516E
- Power Range
- 3151 - 4023 bhp (2350 - 3000 bkW)
- Speed Range
- 1800 rpm
- Emissions
- IMO II/ IMO III
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