C4.4 Generator Set

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Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

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Duty Cycle Standby, Prime
Emissions/Fuel Strategy U.S. EPA Cert., Tier 3
Frequency 60 Hz
Maximum Rating 100 ekW
Minimum Rating 72 ekW
Speed 1800 rpm
Voltage 110 to 480 Volts
Aspiration Turbocharged
Bore 4.1in
Compression Ratio 16.2:1, 17.25:1, 18.2:1 or 18.3:1
Displacement 268.5in³
Engine Model Cat® C4.4
Fuel System Direct Injection or Common Rail
Governor Type Mechanical
Stroke 5in
Height - Maximum 53.6in
Length - Maximum 75.8in
Width - Maximum 44.1in

Standard Equipment:

  • Air Inlet System
    • Air cleaner; light duty with disposable element
  • Cooling System
    • Radiator and cooling fan with guards
    • Coolant drain line with valve
    • Fan drive, battery charging alternator drive
    • Caterpillar extended life coolant
  • Control Panel
    • GCCP 1.3
  • Exhaust System
    • Stub pipe, gaskets, raincap and SAE exhaust flange for customer use - shipped loose
  • Fuel System
    • Standard open set fuel tank/base supplied base, formed steel with single wall integral 8-hour fuel tank
  • Generator
    • Voltage regulator (single phase sensing)
    • 12 Leads
    • IP23 Protection
    • Circuit breaker, IEC, 3 pole, mounted in tower panel
    • Segregated low voltage (AC/DC) wiring panel
    • Tower panel, IP22, bottom cable entry
  • Governing System
    • Mechanical and electrical governing system - model dependent
  • Lube System
    • Oil drain line with valve
    • Lubricating oil
  • Mounting System
    • Termination points for coolant and lube oil drain lines
    • Includes lifting provision and drag points
    • Captive linear vibration isolators between base and engine-generator
  • Starting/charging System
    • 24V battery with rack and cables
    • Batteries
  • General
    • Engine and alternator pre-paint, Caterpillar yellow

Optional Equipment:

  • Alternator System
    • Permanent magnet excitation (PMG)
    • R Frame auxilliary winding
    • Anti-condensation heater
    • R Frame auxilliary winding
    • Quadrature droop kit
    • LC Frame alternator with coastal insulation protection
    • 3 phase sensing
  • Circuit Breakers
    • Circuit breaker upgrades - 4 Pole circuit reaker to 250A, 400A and 630 A
  • Cooling System
    • Low coolant level shutdown
    • Coolant heater
    • Low coolant temperature alarm
  • Control Panel Options
    • GCCP 1.3
    • Control panel heater
    • Earth leakage (2 wire only)
    • Panel mounted audible alarm
    • Volt free contacts
    • Emergency stop with key
    • Battery charger
    • Overload shutdown via breaker
    • Speed adjust potentiometer
    • Voltage adjust potentiometer
  • Enclosures
    • Sound attenuated Level 2 enclosure
    • Sound attenuated Level 1 (galv)
    • Rental pack - CAE rental option only
  • European Certifications
    • Upgrade to STD set for CE
  • Fuel System
    • Skidbase for CALG enclosure sets
    • Low fuel level alarm
    • Open set narrow tankbase
    • Low fuel level shutdown
    • Compact skidbase for open set
    • High fuel level alarm
    • Bunded fuel tank
  • Global Certifications
    • Certification for CIS
  • Mounting Options
    • Electronic governor
    • Industrial silencer
    • External single point lift - enclosure
    • Battery removal
    • Silencer installation kit
  • Special Packing/inspectons For Shipment
    • PGS Test report @ 0.8 power factor
    • PGS Test report @ 1.0 power factor
  • General - Accessories / Miscellaneous
    • Packing case - compact set
    • Packing case - canopied set
    • Stone guards/rad trans flange
Renee HerndonRenee Herndon
21:55 29 Feb 24
Dalton was very helpful, The road construction, however, was not! 😂I would rather have to sand paper an alligators @$$ in a phone booth that to get in that mess again.
Michael BirrenMichael Birren
14:58 24 Feb 24
I purchased a used C-15 from a customer of Greg Pool was a running take out. I picked up the engine from the Greg Pool Cat near Nags Head NC. They started they had done all service on this engine stated the hours and all items replaced during the life of engine under their care. I just recently put the engine in my boat after 2 years of building the vessel I find that everything they said about the engine was a LIE!!! Turbo was Bad, After cooler was not updated to the newer version for the C-15 it was missing a terminal Resistor that was clearly stolen off the engine which created a major issue with start up upon installation. Greg Pool Caterpillar stated the hours at 3300 we find out there were 5700 hours. I didn’t do a start up or test run which I regret because i was dealing with a Caterpillar dealer i thought i could trust them. Clearly not Buyers Be Ware if your dealing with Greg Pool Caterpillar in NC. I have 3 of the C-15 engines in my Work boats here in Tampa Fl and my Cat dealership here is Ring power who have done an amazing job to get me going with this Engine. I am very Disappointed in The Caterpillar company for allowing such A dealership to exist.
David LawrenceDavid Lawrence
13:04 22 Feb 24
Brandon PierceBrandon Pierce
22:00 18 Feb 24
Darin NoeDarin Noe
01:17 16 Feb 24
Jose SotoJose Soto
15:26 23 Sep 23
Hunter ElliottHunter Elliott
16:17 07 Sep 23
Rick Kelly-CrapseRick Kelly-Crapse
21:06 25 Aug 23
They had all my parts for my 3208 Cat.Friendly folks at parts counter.
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