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:
| Model | Length | Height | Minimum Width |
|---|---|---|---|
| C7.1 Tier 3 / IMO II | —43.1 in1095 mm | —35.1 in891 mm | —31.4 in798 mm |
| C9.3 ACERT | — | —43 in1093 mm | — |
| C12 | —62 in1574 mm | —39.5 in1005 mm | — |
| C18 ACERT IMO II | — | — | —44.6 in1134 mm |
| C18 ACERT Tier 3 | — | — | —44.6 in1134 mm |
| C32 IMO II | — | — | —60.17 in1528 mm |
| 3406C | —57.3 in1454.2 mm | —50.3 in1278.5 mm | — |
| C32 ACERT Tier 3 | — | — | —60.17 in1528 mm |
| C32 Tier 3 / IMO II | — | — | —57.1 in1451 mm |
| C32 Tier 4 / IMO III | — | — | —57.1 in1451 mm |
| 3508C | —83.4 in2117 mm | —72 in1829 mm | — |
| 3512C IMO II | — | — | —80.2 in2037 mm |
| 3512C Tier 3 | — | — | —80.2 in2037 mm |
| 3512E Tier 4 / IMO III | — | — | —71.2 in1808 mm |
| 3516C IMO II | — | — | —80.2 in2037 mm |
| 3516C Tier 3 | —125.7 in3192 mm | —87.6 in2225 mm | — |
| 3516E Tier 4 / IMO III | —125.7 in3192 mm | —87.6 in2225 mm | — |
| C280-6 | —158 in4013 mm | —108 in2743 mm | — |
| C280-8 | —195 in4953 mm | —104 in2642 mm | — |
| C280-8 Tier 4/ IMO III | — | — | —71 in1803 mm |
| C280-12 | —182 in4623 mm | —134 in3404 mm | — |
| C280-12 Tier 4/ IMO III | — | — | —80 in2032 mm |
| C280-16 | — | — | —80 in2032 mm |
| Model | Power Range | Speed Range | Emissions |
|---|---|---|---|
| C7.1 | 400 bhp - 500 bhp (298 bkW - 373 bkW) | 2900 rpm | IMO II, U.S. EPA Tier 3, RCD II, China II |
| C12 | 578-609 mhp (570-600 bhp) | — | — |
| C12 ACERT | 660-705 bhp (492-526 bkW) | — | — |
| C18 ACERT Tier 3 | 814-1015 mhp, 803-1001 bhp, 599-747 bkW | — | — |
| C18 ACERT Tier 3 Recreational | 1015-1150 mhp, 1001-1136 bhp, 747-847 bkW | — | — |
| C32 ACERT Tier 3 Recreational | 1600-1900 bhp (1193-1417 bkW) | — | — |
| 3512C HD | 1340-2366 bhp (1000-1765 bkW) | — | — |
| Model | Power Range | Emissions | Configuration |
|---|---|---|---|
| C4.4 (Electronic) | 65/75/99/118 ekW @ 1800 rpm (60 Hz), 65/80/99 ekW @ 1500 rpm (50 Hz) | U.S. EPA Tier 3 certified, EU Stage V certified | In-line 4, 4-stroke-cycle diesel |
| C1.5 | — | — | — |
| C2.2 | — | — | — |
| C4.4 | — | — | — |
| C9.3 Marine Generator Set | — | — | — |
| C18 (SRMP) Marine Generator Set | — | — | In-line 6, 4-Stroke-Cycle Diesel |
| C32 ACERT IMO II | — | — | — |
| C32 ACERT Tier 3 | — | — | — |
| C32 Tier 3 / IMO II | — | U.S. EPA Tier 3 / IMO II emissions certified | Vee-12, 4-stroke-Cycle-Diesel |
| C32 IMO III | — | IMO III emissions certified (SCR required) | Vee-12, 4-stroke-Cycle-Diesel |
| 3512C | — | — | Vee 12 4-Stroke-Cycle Diesel |
| C280-6 | — | — | — |
| C280-8 | — | — | — |
| C280-12 | — | — | — |
| C280-16 | — | — | — |
| Model | Power Range | Length | Configuration |
|---|---|---|---|
| C4.4 (Electronic) | 71/81/108/129 bkW @ 1800 rpm, 71/86/108 bkW @ 1500 rpm | —33.7 in856 mm | In-line 4, 4-stroke-cycle diesel |
| C7.1 Tier 3 / IMO II | 208 bkW (280 bhp) @ 2300 rpm | —43.1 in1095 mm | In-line 6, 4-stroke-cycle diesel |
| C9.3 Auxiliary Engine | — | — | In-Line 6, 4-Stroke-Cycle Diesel |
| C18 IMO II | — | —73 in1854 mm | In-Line 6, 4-Stroke-Cycle Diesel |
| C18 Tier 3 | — | —73 in1854 mm | In-Line 6, 4-Stroke-Cycle Diesel |
| C32 IMO II | — | — | Vee 12, 4-Stroke-Cycle Diesel |
| C32 Tier 3 | — | — | Vee 12, 4-Stroke-Cycle Diesel |
| C32 Tier 3 / IMO II | — | — | Vee 12, 4-stroke-cycle diesel |
| C32 IMO III | — | — | Vee 12, 4-stroke-cycle diesel |
| C32 Tier 4 / IMO III | — | — | Vee 12, 4-stroke-cycle diesel |
| 3512E | 732-2399 bhp (546-1789 bkW) | — | Vee 12, 4-Stroke-Cycle Diesel |
| 3516E | 787-3175 bhp (587-2368 bkW) | —146.6 in3724 mm | Vee 16, 4-Stroke-Cycle Diesel |
| C280 | — | — | In-Line 6, Vee 8, Vee 12, Vee 16, 4-Stroke-Cycle Diesel |