C7.1 Marine Auxiliary Engine (U.S. EPA Tier 3 / IMO II)
Auxiliary Engines
Auxiliary Engines (13)
- Cat C280 Marine Auxiliary Engines
- 3512E Marine Auxiliary/DEP Engine (U.S. EPA Tier 4 Final)
- 3516E Marine Auxiliary Engine (U.S. EPA Tier 4 Final)
- Cat C32 Auxiliary / Diesel Electric Propulsion Engine (US EPA Tier 4 / IMO III)
- Cat C32 Auxiliary / Diesel Electric Propulsion Engine (IMO III)
- Cat C32 Auxiliary / Diesel Electric Propulsion (US EPA Tier 3 / IMO II)
- Cat C18 Auxiliary/Generator Set Engine (EPA Tier 3)
- Cat C32 Auxiliary/Generator Set Engine (IMO II)
- Cat C32 Auxiliary/Generator Set Engine (EPA Tier 3)
- C7.1 Marine Auxiliary Engine (U.S. EPA Tier 3 / IMO II)
- C9.3 Marine Auxiliary Engine
- Cat C18 Auxiliary/Generator Set Engine (IMO II)
- C4.4 (Electronic Control System)
Overview
C7.1 Marine Auxiliary Engine (U.S. EPA Tier 3 / IMO II)
Reliability & Durability
Superior response time and acceleration; 12V or 24V electrical system; Gear driven jacket water pump and sea water pump for superior reliability; Maintenance free valve train with hydraulic valve lash adjusters
Easy to use
Compatible with Cat® displays and electronics; Self priming fuel system ensures a smooth start every time
Environment friendly
No visible smoke; Common rail fuel system enables optimum combustion and low emissions; Reduced combustion noise through advanced electronic control; Closed crankcase ventilation system improves engine room cleanliness
Reliability & Durability
Superior response time and acceleration; 12V or 24V electrical system; Gear driven jacket water pump and sea water pump for superior reliability; Maintenance free valve train with hydraulic valve lash adjusters
Easy to use
Compatible with Cat® displays and electronics; Self priming fuel system ensures a smooth start every time
Environment friendly
No visible smoke; Common rail fuel system enables optimum combustion and low emissions; Reduced combustion noise through advanced electronic control; Closed crankcase ventilation system improves engine room cleanliness
Dimensions & Weights
- Length
- 43.1in
- Height
- 34.5in
- Minimum Width
- 31.4in
- Maximum Width
- 33.5in
- Minimum Engine Dry Weight
- 1609lb
- Maximum Engine Dry Weight
- 1676lb
- Maximum Height
- 34.5in
Power Rating
- Power Range
- 208 bkW (280 bhp) @ 2300 rpm
Engine Specifications
- Configuration
- In-line 6, 4-stroke-cycle diesel
- Emissions
- U.S. EPA Tier 3 / IMO II emissions certified (commercial), RCD 2016 compliant, EU Stage IIIA compliant, CCNR Stage II through reciprocity with EU Stage IIIA
- Rated Engine Speed
- 2300 rpm
- Bore
- 4.13in
- Stroke
- 5.31in
- Displacement
- 428in³
- Aspiration
- Turbocharged-aftercooled aspiration
- Governor
- Electronic (A5E2 V2 ECM)
- Refill Capacity
- Lube Oil System w/Oil filter change: 20 L (5.3 gal)
- Oil Change Interval
- 500 hrs
- Cooling
- Heat exchanger or keel cooled
- Flywheel Housing
- SAE No. 03 with SAE 11.5 in flywheel
- Rotation
- Counterclockwise from flywheel end
Standard/Optional Features
Standard Equipment:
-
- Cooling System
-
- Gear driven jacket water pump
- Corrosion resistant sea water aftercooler
- Fuel cooler
-
- Exhaust System
-
- Watercooled turbocharger and exhaust manifold
-
- Fuel System
-
- Common rail fuel system
- Electric fuel priming pump
-
- General
-
- Vibration damper and guard
- Self-tensioning multi-vee belt drive
-
- Lube System
-
- Closed crankcase ventilation system
- Integral engine oil cooler
-
- Mounting System
-
- Front and rear engine mounting brackets
-
- Starting System
-
- Starter motors - 12V or 24V
Optional Equipment:
-
- Air Inlet System
-
- Various 6" water cooled exhaust elbow configurations
-
- Cooling System
-
- Engine mounted bilge pumps and auxiliary water pumps with electromagnetic clutch
- Tube and bundle jacket water heat exchanger and gear-driven sea water pump (rubber impeller)
- Jacket water heater
- Cabin heater (calorifier) connections
-
- Fuel System
-
- SOLAS double wall high pressure fuel lines kit
-
- Lube System
-
- Left-hand and right-hand oil dipsticks
- Transmission gear oil cooler (engine mounted)
-
- Protection System
-
- Additional engine and transmission sensor packages for on or off vessel monitoring
-
- Starting System
-
- Engine mounted secondary alternator - 24V 100 amp or 12V 175 amp
- Glow plugs