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Caterpillar

Cat C7.1 Generator Set

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.

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Exterior

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Interior

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Specifications

  • Generator Set Specifications
    Spec Value
    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
  • Engine Specifications
    Spec Value
    Engine Model In-line 6, 4-Stroke-Cycle Diesel
    Aspiration TA
    Bore 4.13 in
    Stroke 5.3 in
    Displacement 433.3 in³
    Governor Type Electronic
    Fuel System Common Rail Fuel System
  • Generator Set Dimensions
    Spec Value
    Width 37.6 in
    Height 49.7 in
    Weight 1652 -1840 kg, 3634-4026 lb
    Length 76.2 in/1935 mm (minimum), 83.3 in/2116 mm (maximum)
  • Generator Specifications
    Spec Value
    Pitch 2/3
    Number of Leads 12
    Insulation Class H
    IP Rating IP23 Water protection
    Voltage Regulator Solid state

Standard 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

Optional Equipment

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