Propulsion engines
C7.1
C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)
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| Power Range | 280 bhp - 425 bhp (209 bkW - 317 bkW) |
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| Speed Range | 2300 - 2700 rpm |
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| 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 |
| Dry Weight | 1676 lb |
|---|---|
| Height | 34.5 in |
| Length | 43.1 in |
| Width | 31.4 in |
General
- Marine Classification Society (MCS) Approval
- Water-cooled turbocharger and exhaust manifold
- Closed crankcase ventilation system
- Integral engine oil cooler
- Self-tensioning multi-vee alternator drive belt
Fuel System
- Common rail fuel system
- Starter motors - 12V or 24V
- Fuel cooler
- Electric fuel priming pump
Starting System
- Corrosion-resistant sea water aftercooler
Mounting System
- Vibration damper and guard
- Front and rear engine mounting brackets
Cooling System
- Gear-driven seawater pump (rubber impeller)
- Fin and tube-type jacket water heat exchanger
- Download ↓C7.1 Marine Commerical Prop Spec Sheet (209 bkW - 317bkW)
Need installed dimensions with enclosure and tank? See Model Configurations