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Marine Generator Sets:

Cat C7.1 Generator Set

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C7.1 Generator Set
Minimum Rating
100 ekW (125 kVA)
Maximum Rating
200 ekW (250 kVA)
Frequency
50 Hz or 60 Hz
Speed
1500 rpm (50 hz) or 1800 rpm (60 hz)

Cat® C7.1 Diesel Marine Generator Set has three phase ratings of 50 Hertz at 100, 118, and 150 ekW with heat exchanger cooling that meet U.S. EPA Tier 3 commercial, IMO II, and EU CC2 emissions standards. The C7.1 also has three phase ratings of 60 Hertz at 118, 150, 175, and 175 ekW with heat exchanger cooling that meet U.S. EPA Tier 3 commercial, IMO II, and EU CC2 emissions standards. C7.1 gen set is available in 12 or 24 volt and this compact package is ideal for a wide range of commercial and pleasure craft applications.

Product Specs

  • Generator Set Specifications

    • Minimum Rating
    100 ekW (125 kVA)
    Maximum Rating
    200 ekW (250 kVA)
    Frequency
    50 Hz or 60 Hz
    Speed
    1500 rpm (50 hz) or 1800 rpm (60 hz)
    Minimum Rating
    100 ekW (125 kVA)
    Maximum Rating
    200 ekW (250 kVA)
    Frequency
    50 Hz or 60 Hz
    Speed
    1500 rpm (50 hz) or 1800 rpm (60 hz)
    Emissions/Fuel Strategy
    EPA Tier 3, IMO II, EU CC2

  • Generator Set Configurations

    • Emissions/Fuel Strategy
    EPA Tier 3, IMO II, EU CC2

  • Engine Specifications

    • Engine Model
    In-line 6, 4-Stroke-Cycle Diesel
    Aspiration
    TA
    Bore
    4.13in
    Stroke
    5.3in
    Displacement
    433.3in3
    Governor Type
    Electronic
    Fuel System
    Common Rail Fuel System
    Engine Model
    In-line 6, 4-Stroke-Cycle Diesel
    Aspiration
    TA
    Bore
    4.13in
    Stroke
    5.3in
    Displacement
    433.3in³
    Governor Type
    Electronic

  • Generator Set Dimensions

    • Width
    37.6in
    Height
    49.7in
    Weight
    1652 -1840 kg, 3634-4026 lb
    Length
    76.2 in/1935 mm (minimum), 83.3 in/2116 mm (maximum)
    Width
    37.6in
    Height
    49.7in
    Weight
    1652 -1840 kg, 3634-4026 lb

  • Generator Specifications

    • Pitch
    2/3
    Number of Leads
    12
    Insulation
    Class H
    IP Rating
    IP23 Water protection
    Voltage Regulator
    Solid state

Equipment

  • Air Inlet System
    • Open Crankcase Ventilation (OCV) system
    • Turbocharger, jacket water cooled
    • Integrated coolant lines into manifold utilizing EGR circuit
  • Control System
    • Panels available in RH, LH, and rear configurations with a remote mount option
    • Electronic diagnostics and fault logging
    • Electronic governor
    • Electronic Control Module (ECM)
    • SAE J1939 data link Ratings Only
    • Electronic fuel/air ratio control
  • Cooling System
    • Integrated heat exchanger and aftercooler
    • Compact design integral coolant passages
    • Thermostat and housing
    • Jacket Water Heater 120/240V option
    • Auxiliary seawater pump, gear driven
    • Engine mounted heat exchanger, removable tubeBundle (for sea water) (heat exchanger engines only)
    • Engine oil cooler
    • Auxiliary sea water lines
    • Keel cooling
  • Exhaust System
    • Water-cooled exhaust manifold & turbocharger
    • 152 mm (6 in) round flanged outlet
    • Dry Elbow/Flange options
  • Flywheels & Flywheel Housings
    • Flywheel Housing, SAE No. 2
    • Flywheel, 134 teeth
    • SAE standard rotation
  • Fuel System
    • Common Rail Fuel System
    • Simplex and Duplex Fuel options
    • Flexible fuel line option
    • Fuel transfer pump, gear driven
  • Generators And Generator Attachments
    • 12 leads
    • 3 phase Brushless
    • Separately excited from auxiliary winding to provide 300% short circuit current up to 10 seconds
    • 2/3 Pitch
    • Broad voltage band
    • IP23 Water protection
    • Solid state voltage regulator with integral voltage adjustment
    • Class H insulation
    • Generator temperature rise exceeds marine society requirements for 105 C @ 50 C ambient - prime 85 C @ 50 C ambient - prime Connection poles
  • Lube System
    • Crankcase breather
    • Simplex and Duplex options
    • Oil filter, RH service
    • Oil filler, in valve cover and timing case (option)
    • Oil level gauge, RH service
    • Oil pan
    • Oil pan drain, RH`
    • Lubricating oil
    • Engine oil pump (gear driven)
  • Mounting System
    • Skiddable base frame
    • Anti vibration isolators between base and engine-generator
  • Power Take-offs
    • Poly-V groove for alternator drive
    • PTO Shaft Kit (optional)
  • General
    • Torsional vibration damper and guard
    • Paint, Caterpillar yellow
    • Lifting eyes
    • Protective lifting covers
    • Literature
    • Battery disconnect switch
    • Plastic wrap packaging
    • Note: Keel-cooled gen sets do not include the keel cooler(s).
    • Engine is certified to D2/E2 emissions cycles
  • Control System
    • Governor droop kit
  • Exhaust System
    • Dry Elbow
    • Dry Flange
    • Exhaust Temp Sensor
  • Fuel System
    • Flexible Fuel Lines
  • Lube System
    • Dipstick
  • Cooling System
    • Coolant recovery tank
    • Jacket Water Heater
  • Power Take-offs
    • Crankshaft Pulley

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