Commercial Propulsion Engines
Overview
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.
Docs & Links
Products
C9.3 ACERT
- Power Range
- 375-476 bhp (280-355 bkW)
- Speed Range
- 1800-2300 rpm
- Emissions
- EPA Tier 3 Commercial, IMO II, EU IW
C18 ACERT IMO II
- Power Range
- 454-715 bhp (339-533 bkW)
- Speed Range
- 1800-2100 rpm
- Emissions
- IMO II, EU IIIA
C18 ACERT Tier 3
- Power Range
- 469-1001 bhp (350-747 bkW)
- Speed Range
- 1800-2300 rpm
- Emissions
- EPA Tier 3 Commercial, IMO II, EU IW
C32 IMO II
- Power Range
- 660-1450 bhp (492-1081 bkW)
- Speed Range
- 1600-2300 rpm
- Emissions
- IMO II, EU IW
C32 ACERT Tier 3
- Power Range
- 750-1800 bhp (559-1342 bkW)
- Speed Range
- 1600-2300 rpm
- Emissions
- EPA Tier 3, IMO II, EU IW
C32 Tier 3 / IMO II
- Power Range
- 61-1450 bhp (46-1072 bkW)
- Emissions
- U.S. EPA Tier 3 / IMO II emissions certified
- Aspiration
- Turbocharged-aftercooled aspiration
C32 Tier 4 / IMO III
- 6 Brick Z-Flow - Length
- —147.7 in3751 mm
- Minimum Length
- —83.9 in2130 mm
- 6 Brick Z-Flow - Height
- —23.5 in597 mm
3512C 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
- Power Range
- 1340-2366 bhp (1000-1765 bkW)
- Speed Range
- 1600-1800 rpm
- Emissions
- EPA Tier 3, IMO II
3512E Tier 4 / IMO III
- Power Range
- 1341-2549 bhp (1000-1901 bkW)
- Speed Range
- 1600-1800 rpm
- Emissions
- U.S. EPA Tier 4 Final, IMO III
3516C Tier 3
- Power Range
- 2131-2675 bhp (1590-1995 bkW)
- Speed Range
- 1600 rpm
- Emissions
- EPA Tier 3, IMO II
3516E Tier 4 / IMO III
- Power Range
- 2501-3386 bhp (1865-2525 bkW)
- Speed Range
- 1600-1800 rpm
- Emissions
- U.S. EPA Tier 4 Final, IMO III
C280-8 Tier 4
- Power Range
- 3299-3634 bhp (2460-2530 bkW)
- Speed Range
- 1000 rpm
- Emissions
- EPA Tier 4, IMO III
C280-12 Tier 4
- Power Range
- 4962-5444 bhp (3700-4060 bkW)
- Speed Range
- 1000 rpm
- Emissions
- EPA Tier 4, IMO II
| 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 | — | — | —71 in1803 mm |
| C280-12 | —182 in4623 mm | —134 in3404 mm | — |
| C280-12 Tier 4 | — | — | —80 in2032 mm |
| C280-16 | — | — | —80 in2032 mm |
Benefits & Features
Data not available.