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.
SPECIFICATIONS
Minimum Rating100 ekW (125 kVA)
Maximum Rating200 ekW (250 kVA)
Frequency50 Hz or 60 Hz
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
AspirationTA
Bore105.0 mm
Stroke135.0 mm
Displacement7.1 L
Governor TypeElectronic
Fuel SystemCommon Rail Fuel System
generator specifications
Pitch2/3
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)
Width956.0 mm
Height1263.0 mm
Weight1652 -1840 kg, 3634-4026 lb
C7.1 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 elbowflange 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 takeoffs
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
C7.1 OPTIONS
- 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 takeoffs
Crankshaft Pulley