Marine Propulsion Engines
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C7.1 Marine Propulsion Engine Walkaround
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SPECS SUMMARY
| Power Range | 280 bhp - 425 bhp (209 bkW - 317 bkW) |
| 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 |
Specifications
| Power Range | 280 bhp - 425 bhp (209 bkW - 317 bkW) |
| 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 (7.01 l) |
| Aspiration | Turbocharged-aftercooled |
| Governor | Electronic (A5E2 V2 ECM) |
| Flywheel Housing | SAE No. 03 |
| Bore | 4.13 in (105 mm) |
| Stroke | 5.31 in (135 mm) |
| 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 (760 kg) |
| Height | 34.5 in (876 mm) |
| Length | 43.1 in (1095 mm) |
| Width | 31.4 in (798 mm) |
Benefits and Features
- Common rail fuel system enables optimum combustion and low emissions
- Reduced combustion noise through advanced electronic control
- 12V or 24V electrical system
- Compatible with Cat® displays and electronics
- Closed crankcase ventilation system improves engine room cleanliness
- Gear-driven jacket water pump and sea water pump for superior reliability
- Maintenance free valve train with hydraulic valve lash adjusters
- Self-priming fuel system ensures a smooth start every time
Standard Equipment
- 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
- Common rail fuel system
- Starter motors - 12V or 24V
- Fuel cooler
- Electric fuel priming pump
- Corrosion-resistant sea water aftercooler
- Vibration damper and guard
- Front and rear engine mounting brackets
- Gear-driven seawater pump (rubber impeller)
- Fin and tube-type jacket water heat exchanger
Optional Equipment
- SOLAS double wall high-pressure fuel lines
- Engine-mounted secondary alternator - 24V 55 amp or 12V 100 amp
- Analogue gauge displays
- Glow plugs
- Mechanical throttle converter for repower
- Transmission gear oil cooler (engine mounted)
- Jacket water heater
- Cabin heater (calorifier) connections
- Various 5" and 6" water cooled exhaust elbow configurations
- Right-hand and high-level left-hand oil dipsticks