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

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

Overview

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

C7.1 High Performance Propulsion Engine
Video Meet the new C7.1 Commercial Propulsion Engine

Meet the new C7.1 Commercial Propulsion Engine
Video C7.1 Marine Propulsion Engine Walkaround

C7.1 Marine Propulsion Engine Walkaround

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  • 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
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
428in³
Aspiration
Turbocharged-aftercooled
Governor
Electronic (A5E2 V2 ECM)
Flywheel Housing
SAE No. 03
Bore
4.13in
Stroke
5.31in
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
1676lb
Height
34.5in
Length
43.1in
Width
31.4in
  • Standard Equipment
    • Water-cooled turbocharger and exhaust manifold
    • Common rail fuel system
    • Corrosion-resistant sea water aftercooler
    • Closed crankcase ventilation system
    • Starter motors – 12V or 24V
    • Fuel cooler
    • Integral engine oil cooler
    • Vibration damper and guard
    • Electric fuel priming pump
    • Self-tensioning multi-vee alternator drive belt
    • Gear-driven seawater pump (rubber impeller)
    • Fin and tube-type jacket water heat exchanger
    • Front and rear engine mounting brackets
  • Optional Attachments
    • Marine Classification Society (MCS) Approval ABS, BV, CCS, CRS, *DNV-GL, IRS, LR, Class NK, PRS, RINA (*DNV-GL approval available for keel-cooled engines only)
    • SOLAS double wall high-pressure fuel lines
    • Engine mounted bilge pumps and auxiliary water pumps with electromagnetic clutch
    • Engine-mounted secondary alternator – 24V 55 amp or 12V 100 amp
    • Analogue gauge displays
    • Transmission gear oil cooler (engine mounted)
    • Glow plugs
    • Jacket water heater
    • Various 5″ and 6″ water cooled exhaust elbow configurations
    • Cabin heater (calorifier) connections
    • Right-hand and high-level left-hand oil dipsticks
    • Mechanical throttle converter for repower

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