Auxiliary Engines

C7.1 Marine Auxiliary Engine (U.S. EPA Tier 3 / IMO II)

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Overview

C7.1 Marine Auxiliary Engine (U.S. EPA Tier 3 / IMO II)

Engine Specifications

Rotation
Counterclockwise from flywheel end
Rotation
Counterclockwise from flywheel end

Dimensions & Weights

Length
43.10 in
1095.00 mm

Power Rating

Power Range
208 bkW (280 bhp) @ 2300 rpm

Dimensions & Weights

Height
35.10 in
891.00 mm

Engine Specifications

Configuration
In-line 6, 4-stroke-cycle diesel

Dimensions & Weights

Minimum Width
31.40 in
798.00 mm

Engine Specifications

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

Dimensions & Weights

Maximum Width
33.50 in
850.00 mm

Engine Specifications

Rated Engine Speed
2300 rpm

Dimensions & Weights

Minimum Engine Dry Weight
1609.00 lb
730.00 kg

Engine Specifications

Bore
4.13 in
105.00 mm

Dimensions & Weights

Maximum Engine Dry Weight
1676.00 lb
760.00 kg

Engine Specifications

Stroke
5.31 in
135.00 mm
Displacement
428.00 in³
7.01 l
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
Features

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

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