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 engines have demonstrated their efficiency countless times. With remarkable reliability and durability, these engines will exceed your expectations for decades.
Units:
| Model | Power Range | Speed Range | Emissions |
|---|---|---|---|
| C7.1 | 280 bhp - 425 bhp (209 bkW - 317 bkW) | 2300 - 2700 rpm | U.S. EPA Tier 3, IMO II, RCD II, China II |
| C9.3 | 375-476 bhp (280 - 355 bkW) | 1800 - 2300 rpm | IMO II, U.S. EPA Tier 3, China Stage II |
| C12 | 340-490 bhp (254-366 bkW) | 1800-2300 rpm | IMO II |
| C18 | 454 - 1136 bhp (339 - 847 bkW) | 1500 - 2100 rpm | U.S. EPA Tier 3 Commercial, IMO II, EU IWW, EU Stage V, China II |
| C32 | 660 - 1600 bhp (492 - 1193 bkW) | 1600 - 2300 rpm | U.S. EPA Tier 3/ Tier 4, IMO II/III, EU Stage V |
| 3406C | 365-400 bhp (272-298 bkW) | 1800 rpm | Non-Certified |
| 3512C | 1281 - 2552 bhp | 1200 - 1800 rpm | IMO II, China Stage II |
| 3516C | 2000-3385 bhp (1492-2525 bkW) | 1200-1800 rpm | IMO II |
| 3516E | 2501-3386 bhp (1865-2525 bkW) | 1600 - 1800 rpm | U.S. EPA Tier 4, IMO III |
| 3512E | 1341-2550 bhp (1000-1902 bkW) | 1600 - 1800 rpm | U.S. EPA Tier 4, IMO II/III, EU Stage 5 |
| C280-6 | 2320-2722 bhp (1730-2030 bkW) | 900-1000 rpm | IMO II |
| C280-8 | 3084-4023 bhp (2300-3000 bkW) | 900 - 1000 rpm | IMO II, IMO III/EPA Tier 4 |
| C280-16 | 6169-8046 bhp (4600-6000 bkW) | 900-1000 rpm | IMO II |
| Model | Power Range | Speed Range | Emissions |
|---|---|---|---|
| C7.1 | 400 - 500 bhp (298 - 373 bkW) | 2900 rpm | IMO II, U.S. EPA Tier 3, RCD II, China II |
| C12 | 340 - 705 bhp (254 - 526 bkW) | — | — |
| C18 | 814-1015 mhp, 803-1001 bhp, 599-747 bkW | — | — |
| C18 Recreational | 1015-1150 mhp, 1001-1136 bhp, 747-847 bkW | — | — |
| C32 | 1600-1900 bhp (1193-1417 bkW) | — | — |
| 3512C HD | 1340-2366 bhp (1000-1765 bkW) | — | — |
| Model | Power Range | Frequency | Emissions |
|---|---|---|---|
| C1.5 | 10 - 12 ekW | 50 / 60 | U.S. EPA Tier 3 |
| C2.2 | 15 - 25 ekW | 50 / 60 | U.S. EPA Tier 3 |
| C4.4 | 36.0R - 99 ekW | 50 / 60 | — |
| C4.4 (Electronic) | 58.0R - 118 ekW | 50 / 60 | U.S. EPA Tier 3, EU Stage V |
| C9.3 Marine Generator Set | 200 - 300 ekW | 50 / 60 | — |
| C18 | 260 - 565 ekW | 50 / 60 | — |
| C32 | 550 - 940 ekW | 50 / 60 | — |
| 3512C | 1550 - 1700 ekW | 60 hz | — |
| C280-6 | 1720 - 1820 ekW | 50 / 60 Hz | — |
| C280-8 | 2200 - 2600 ekW | 50 / 60 | — |
| C280-12 | 3640 - 3520 ekW | 50 Hz or 60 Hz | EPA Tier 2, IMO II |
| C280-16 | 4700 - 4840 ekW | 50 / 60 | EPA Tier 2, IMO II |
| Model | Power Range | Frequency | Emissions |
|---|---|---|---|
| C4.4 (Electronic) | 71 - 129 bkW | 50 / 60 | U.S. EPA Tier 3, EU Stage V, China II |
| C7.1 (Electronic) | 109 - 218 bkW | 50 / 60 | U.S. EPA Tier 3, IMO II, EU Stage V, China II |
| C9.3 Auxiliary Engine | 218 bkW - 325 bkW | 50 / 60 | IMO II, IMO III, U.S. EPA Tier 3, China Stage II |
| C18 | 404 - 803 hp | 50 / 60 | IMO II/III, EPA T 3, EU IWW, EU Stage V, China II |
| C32 | 781 - 1047 | 50 / 60 | IMO II, IMO III U.S. EPA T4, EU Stage V and China-II |
| 3512E | 1263 - 1789 bkW | 50 / 60 | U.S. EPA Tier 4, IMO II/III |
| 3516E | 1921 - 2368 bkW | 50 / 60 | U.S. EPA Tier 4, IMO II/III |
| C280 | 1730 - 5420 bkW | 50 / 60 | U.S. EPA Tier 4 |