New | 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. 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.

Generator Set Specifications
Minimum Rating100 ekW (125 kVA)
Maximum Rating200 ekW (250 kVA)
Frequency50 Hz or 60 Hz
Speed1500 rpm (50 hz) or 1800 rpm (60 hz)
Generator Set Configurations
Emissions/Fuel StrategyEPA Tier 3, IMO II, EU CC2
Engine Specifications
Engine ModelIn-line 6, 4-Stroke-Cycle Diesel
Bore4.13 in
Stroke5.3 in
Displacement433.3 in3
Governor TypeElectronic
Fuel SystemCommon Rail Fuel System
Generator Specifications
Number of leads12
InsulationClass H
IP RatingIP23 Water protection
Voltage regulatorSolid state
Generator Set Dimensions
Length76.2 in/1935 mm (minimum), 83.3 in/2116 mm (maximum)
Width37.6 in
Height49.7 in
Weight1652 -1840 kg, 3634-4026 lb

U.s.epa Tier 3, Ccnr Stage 2, Imo Ii

Extensive Service Network Of Cat Dealers, Factory Supported Full Generator Set Package (with Optional Mcs Alarm And Protection System), Available Worldwide Extended Service Coverage (esc)

Performance Iron With Thousands Of Hours Of Validation Testing For Quality And Durability, World Class Manufacturing Facilities

High Pressure Common Rail Provide Precise Fuel Metering And Consumptions As Well As Limited Visible Smoke, Ecm Provides Excellent Speed Control, Noise Reduction And 100% Load Acceptance

  • Common Rail Fuel System

New Block For Low Noise And Vibrations, Insulated Timing Case Cover, Isolated Oil Pan (also Provides Ease Of Maintenance), Improved Pump And Gear Train System, Stiffer Crankshaft, Multiple Fuel Injection Strategy, Integrated Induction Manifold, Double Curvature On Think Walled Crankcase, Piston Optimized For High Speed Operation

  • Mcs Certified Engine
  • Control Panel

Standard Equipment

  • Open Crankcase Ventilation (OCV) system
  • Turbocharger, jacket water cooled
  • Integrated coolant lines into manifold utilizing EGR circuit
  • 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
  • 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
  • Water-cooled exhaust manifold & turbocharger
  • 152 mm (6 in) round flanged outlet
  • Dry Elbow/Flange options
  • Flywheel Housing, SAE No. 2
  • Flywheel, 134 teeth
  • SAE standard rotation
  • Common Rail Fuel System
  • Simplex and Duplex Fuel options
  • Flexible fuel line option
  • Fuel transfer pump, gear driven
  • 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
  • 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)
  • Skiddable base frame
  • Anti vibration isolators between base and engine-generator
  • Poly-V groove for alternator drive
  • PTO Shaft Kit (optional)
  • 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

  • Governor droop kit
  • Dry Elbow
  • Dry Flange
  • Exhaust Temp Sensor
  • Flexible Fuel Lines
  • Dipstick
  • Coolant recovery tank
  • Jacket Water Heater
  • Crankshaft Pulley



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