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C4.4 Generator Set

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

Generator Set Specifications

Maximum Rating

100 ekW

Minimum Rating

72 ekW

Emissions/Fuel Strategy

U.S. EPA Cert., Tier 3


110 to 480 Volts


60 Hz


1800 rpm

Duty Cycle

Standby, Prime

Engine Specifications

Engine Model

Cat® C4.4







Compression Ratio

16.2:1, 17.25:1, 18.2:1 or 18.3:1



Fuel System

Direct Injection or Common Rail

Governor Type


Generator Set Dimensions

Length - Maximum


Width - Maximum


Height - Maximum


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

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