C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)
Caterpillar
C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)
Photos
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C7.1 High Performance Propulsion Engine
Videos
Features
Specifications
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Power Rating
Spec Value Power Range 280 bhp - 425 bhp (209 bkW - 317 bkW) -
Engine Specifications
Spec Value 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
Spec Value Dry Weight 1676 lb Height 34.5 in Length 43.1 in Width 31.4 in
Standard Equipment
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
Optional Equipment
Fuel System
- SOLAS double wall high-pressure fuel lines
General
- Engine-mounted secondary alternator - 24V 55 amp or 12V 100 amp
- Analogue gauge displays
- Glow plugs
- Mechanical throttle converter for repower
Cooling System
- Transmission gear oil cooler (engine mounted)
- Jacket water heater
- Cabin heater (calorifier) connections
Exhaust System
- Various 5" and 6" water cooled exhaust elbow configurations
Lube System
- Right-hand and high-level left-hand oil dipsticks
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