New CAT Equipment
C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)
Get a Quote
Learn more about the C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)
Product Specs
Power Rating
| Power Range | 280 bhp - 425 bhp (209 bkW - 317 bkW) |
Engine Specifications
| Speed Range | 2300 - 2700 rpm |
| Emissions | U.S. EPA Tier 3, IMO II, RCD II, China II |
| Configuration | In-line 6, 4-stroke-cycle diesel |
| Displacement | 428 in³ |
| Aspiration | Turbocharged-aftercooled |
| Governor | Electronic (A5E2 V2 ECM) |
| Flywheel Housing | SAE No. 03 |
| Bore | 4.13 in |
| Stroke | 5.31 in |
| Refill Capacity | 20 L (5.3 gal) |
| Oil Change Interval | 500 hrs |
| Rotation | Counterclockwise from the flywheel end |
| Cooling | Heat exchange or keel cooled |
Dimensions & Weights
| Dry Weight | 1676 lb |
| Height | 34.5 in |
| Length | 43.1 in |
| Width | 31.4 in |