Marine Power Systems
Industry-leading technology allows Caterpillar to create the most reliable commercial engines for a variety of applications. From tugs and container vessels to yachts and sport fishers, Cat and MaK engines have demonstrated their efficiency countless times. With remarkable reliability and durability, these engines will exceed your expectations for decades.
UNITS:
Commercial Propulsion Engines
ID: 18260926| C7.1 Tier 3 / IMO II | 43.1 in | 35.1 in | 31.4 in |
| C12 | 340-490 bhp (254-366 bkW) | 1800-2300 rpm | IMO I, IMO II |
| C18 ACERT IMO II | 454-715 bhp (339-533 bkW) | 1800-2100 rpm | IMO II, EU IIIA |
| C18 ACERT Tier 3 | 469-1001 bhp (350-747 bkW) | 1800-2300 rpm | EPA Tier 3 Commercial, IMO II, EU IW |
| C32 ACERT IMO II | 660-1450 bhp (492-1081 bkW) | 1600-2300 rpm | IMO II, EU IW |
| C32 ACERT Tier 3 | 750-1800 bhp (559-1342 bkW) | 1600-2300 rpm | EPA Tier 3, IMO II, EU IW |
| C32 Tier 3 / IMO II | 61-1450 bhp (46-1072 bkW) | U.S. EPA Tier 3 / IMO II emissions certified | Turbocharged-aftercooled aspiration |
| C32 Tier 4 / IMO III | 147.7 in | 83.9 in | 23.5 in |
| 3508C | 775-1100 bhp (578-820 bkW) | 1200-1600 rpm | IMO II, EU IW |
| 3512C IMO II | 1280-2551 bhp (955-1902 bkW) | 1200 rpm, 1600 rpm, 1800 rpm | IMO II, EU IW |
| 3512C Tier 3 | 1340-2366 bhp (1000-1765 bkW) | 1600-1800 rpm | EPA Tier 3, IMO II |
| 3512E Tier 4 / IMO III | 1341-2549 bhp (1000-1901 bkW) | 1600-1800 rpm | U.S. EPA Tier 4 Final, IMO III |
| 3516C IMO II | 1650-3386 bhp (1230-2525 bkW) | 1200-1800 rpm | IMO II |
| 3516C Tier 3 | 2131-2675 bhp (1590-1995 bkW) | 1600 rpm | EPA Tier 3, IMO II |
| 3516E Tier 4 / IMO III | 2501-3386 bhp (1865-2525 bkW) | 1600-1800 rpm | U.S. EPA Tier 4 Final, IMO III |
| C175-16 | 2683-3420 bhp (2001-2550 bkW) | 1600-1800 rpm | IMO II |
| C280-16 | 6169-7577 bhp (4600-5650 bkW) | 900-1000 rpm | IMO II |
| MODEL | Power Range | Speed Range | Emissions |
High Performance Propulsion and Maneuvering Solutions
ID: 18375952| C32 ACERT Tier 3 Recreational | 1600-1900 bhp (1193-1417 bkW) | 2300 rpm | EPA Tier 3, IMO II, EU IW |
| MODEL | Power Range | Speed Range | Emissions |
Marine Generator Sets
ID: 18260928| C1.5 | 10 ekW (10 kVA) | 13 ekW (16.5 kVA) | 50 Hz or 60 Hz |
| C2.2 | 16 ekW (16kVA) | 27 ekW (27 kVA) | 50 Hz or 60 Hz |
| C4.4 | 36.0R ekW (45 kVA) | 99.0 ekW (123 kVA) | 50 Hz or 60 Hz |
| C4.4 ACERT | 58R ekW (50 Hz), 51R ekW (60 Hz) | 88R ekW (50 Hz), 105R ekW (60 Hz) | 50 Hz or 60 Hz |
| C7.1 | 100 ekW (125 kVA) | 200 ekW (250 kVA) | 50 Hz or 60 Hz |
| C9.3 Marine Generator Set | 185R ekW (231 kVA) at 50hz, 224R ekW (280 kVA) at 60hz | 250R ekW (313 kVA) at 50hz, 300 ekW (375 kVA) at 60hz | 50 Hertz & 60 Hertz |
| C32 ACERT IMO II | 550 eKW (688 kVA) | 940 ekW (1175 kVA) | 50 Hz or 60 Hz |
| C32 ACERT Tier 3 | 730 ekW (913 kVA) | 940 ekW (1175 kVA) | 60hz |
| C280-6 | 1760 ekW (2200 kVA) | 1820 ekW (2275 kVA) | 50 Hz or 60 Hz |
| C280-8 | 2350 ekW (2938 kVA) | 2420 ekW (3025 kVA) | 50 Hz or 60 Hz |
| C280-12 | 3520 ekW (4400 kVA) | 3640 ekW (4550 kVA) | 50 Hz or 60 Hz |
| C280-16 | 4700 ekW (5875 kVA) | 4840 ekW (6050 kVA) | 50 Hz or 60 Hz |
| MODEL | Minimum Rating | Maximum Rating | Frequency |
Auxiliary Engines
ID: 18260930| C7.1 Tier 3 / IMO II | 43.1 in | 208 bkW (280 bhp) @ 2300 rpm | In-line 6, 4-stroke-cycle diesel |
| C9.3 Auxiliary Engine | 292 BHP | 436 BHP | TA |
| C18 IMO II | 404 BHP | 660 BHP | TA, TTA |
| C18 Tier 3 | 624 BHP | 803 BHP | TA, TTA |
| C32 IMO II | 791 BHP | 1333 BHP | TTA |
| C32 Tier 3 | 1047 BHP | 1333 BHP | TTA |
| C32 Tier 3 / IMO II | 314 BHP | 1333 BHP | Turbocharged-aftercooled aspiration |
| C32 IMO III | 1047 BHP | 1332 BHP | Turbocharged-aftercooled |
| C32 Tier 4 / IMO III | 400 BHP | 1333 BHP | Turbocharged-aftercooled |
| 3512E | 732-2399 bhp (546-1789 bkW) | TA | U.S. EPA Tier 4 Final, IMO III |
| 3516E | 787-3175 bhp (587-2368 bkW) | TA | U.S. EPA Tier 4 Final, IMO III |
| C280 | 2320 BHP | 7268 BHP | TA |
| MODEL | Minimum Rating | Maximum Rating | Aspiration |
Commercial Propulsion Engines
Id: 18260926| C7.1 Tier 3 / IMO II | 1095 mm | 891 mm | 798 mm |
| C12 | 340-490 bhp (254-366 bkW) | 1800-2300 rpm | IMO I, IMO II |
| C18 ACERT IMO II | 454-715 bhp (339-533 bkW) | 1800-2100 rpm | IMO II, EU IIIA |
| C18 ACERT Tier 3 | 469-1001 bhp (350-747 bkW) | 1800-2300 rpm | EPA Tier 3 Commercial, IMO II, EU IW |
| C32 ACERT IMO II | 660-1450 bhp (492-1081 bkW) | 1600-2300 rpm | IMO II, EU IW |
| C32 ACERT Tier 3 | 750-1800 bhp (559-1342 bkW) | 1600-2300 rpm | EPA Tier 3, IMO II, EU IW |
| C32 Tier 3 / IMO II | 61-1450 bhp (46-1072 bkW) | U.S. EPA Tier 3 / IMO II emissions certified | Turbocharged-aftercooled aspiration |
| C32 Tier 4 / IMO III | 3751 mm | 2130 mm | 597 mm |
| 3508C | 775-1100 bhp (578-820 bkW) | 1200-1600 rpm | IMO II, EU IW |
| 3512C IMO II | 1280-2551 bhp (955-1902 bkW) | 1200 rpm, 1600 rpm, 1800 rpm | IMO II, EU IW |
| 3512C Tier 3 | 1340-2366 bhp (1000-1765 bkW) | 1600-1800 rpm | EPA Tier 3, IMO II |
| 3512E Tier 4 / IMO III | 1341-2549 bhp (1000-1901 bkW) | 1600-1800 rpm | U.S. EPA Tier 4 Final, IMO III |
| 3516C IMO II | 1650-3386 bhp (1230-2525 bkW) | 1200-1800 rpm | IMO II |
| 3516C Tier 3 | 2131-2675 bhp (1590-1995 bkW) | 1600 rpm | EPA Tier 3, IMO II |
| 3516E Tier 4 / IMO III | 2501-3386 bhp (1865-2525 bkW) | 1600-1800 rpm | U.S. EPA Tier 4 Final, IMO III |
| C175-16 | 2683-3420 bhp (2001-2550 bkW) | 1600-1800 rpm | IMO II |
| C280-16 | 6169-7577 bhp (4600-5650 bkW) | 900-1000 rpm | IMO II |
| MODEL | Power Range | Speed Range | Emissions |
High Performance Propulsion and Maneuvering Solutions
Id: 18375952| C32 ACERT Tier 3 Recreational | 1600-1900 bhp (1193-1417 bkW) | 2300 rpm | EPA Tier 3, IMO II, EU IW |
| MODEL | Power Range | Speed Range | Emissions |
Marine Generator Sets
Id: 18260928| C1.5 | 10 ekW (10 kVA) | 13 ekW (16.5 kVA) | 50 Hz or 60 Hz |
| C2.2 | 16 ekW (16kVA) | 27 ekW (27 kVA) | 50 Hz or 60 Hz |
| C4.4 | 36.0R ekW (45 kVA) | 99.0 ekW (123 kVA) | 50 Hz or 60 Hz |
| C4.4 ACERT | 58R ekW (50 Hz), 51R ekW (60 Hz) | 88R ekW (50 Hz), 105R ekW (60 Hz) | 50 Hz or 60 Hz |
| C7.1 | 100 ekW (125 kVA) | 200 ekW (250 kVA) | 50 Hz or 60 Hz |
| C9.3 Marine Generator Set | 185R ekW (231 kVA) at 50hz, 224R ekW (280 kVA) at 60hz | 250R ekW (313 kVA) at 50hz, 300 ekW (375 kVA) at 60hz | 50 Hertz & 60 Hertz |
| C32 ACERT IMO II | 550 eKW (688 kVA) | 940 ekW (1175 kVA) | 50 Hz or 60 Hz |
| C32 ACERT Tier 3 | 730 ekW (913 kVA) | 940 ekW (1175 kVA) | 60hz |
| C280-6 | 1760 ekW (2200 kVA) | 1820 ekW (2275 kVA) | 50 Hz or 60 Hz |
| C280-8 | 2350 ekW (2938 kVA) | 2420 ekW (3025 kVA) | 50 Hz or 60 Hz |
| C280-12 | 3520 ekW (4400 kVA) | 3640 ekW (4550 kVA) | 50 Hz or 60 Hz |
| C280-16 | 4700 ekW (5875 kVA) | 4840 ekW (6050 kVA) | 50 Hz or 60 Hz |
| MODEL | Minimum Rating | Maximum Rating | Frequency |
Auxiliary Engines
Id: 18260930| C7.1 Tier 3 / IMO II | 1095 mm | 208 bkW (280 bhp) @ 2300 rpm | In-line 6, 4-stroke-cycle diesel |
| C9.3 Auxiliary Engine | 218 bkW | 325 bkW | TA |
| C18 IMO II | 301 bkW | 492 bkW | TA, TTA |
| C18 Tier 3 | 465 bkW | 599 bkW | TA, TTA |
| C32 IMO II | 590 bkW | 994 bkW | TTA |
| C32 Tier 3 | 781 bkW | 994 bkW | TTA |
| C32 Tier 3 / IMO II | 234 bkW | 994 bkW | Turbocharged-aftercooled aspiration |
| C32 IMO III | 781 bkW | 994 bkW | Turbocharged-aftercooled |
| C32 Tier 4 / IMO III | 298 bkW | 994 bkW | Turbocharged-aftercooled |
| 3512E | 732-2399 bhp (546-1789 bkW) | TA | U.S. EPA Tier 4 Final, IMO III |
| 3516E | 787-3175 bhp (587-2368 bkW) | TA | U.S. EPA Tier 4 Final, IMO III |
| C280 | 1730 bkW | 5420 bkW | TA |
| MODEL | Minimum Rating | Maximum Rating | Aspiration |
