Diesel Generator Sets

Cat C4.4 Generator Set

Minimum Rating 50 kVA

Maximum Rating 110 kVA

Emissions/Fuel Strategy EU Stage II & R96/EUIIIa

Producing reliable power from 50 to 110 kVA at 50 Hz, our C4.4 diesel generator sets designed to ISO 8528-5 transient response requirements. All C4.4 to meet EPA Stationary Emergency (Tier 3) emissions standards.

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Cat Generator Set Package

Cat generator set packages have been fully prototype testedAccepts 100% block load in one step and meetsNFPA 110 loading requireme…

  • Cat generator set packages have been fully prototype tested
  • Accepts 100% block load in one step and meetsNFPA 110 loading requirements
  • Conform to ISO 8528-5 steady state and transient response requirements
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Cat Diesel Engine

Reliable, rugged, durable designField-proven in thousands of applications worldwideFour-stroke-cycle diesel engine combines consis…

  • Reliable, rugged, durable design
  • Field-proven in thousands of applications worldwide
  • Four-stroke-cycle diesel engine combines consistent performance and excellent fuel economy with minimum weight
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M-Frame Alternator

Superior motor starting capability minimizes need for oversizing alternatorDesigned to match performance and output characteristic…

  • Superior motor starting capability minimizes need for oversizing alternator
  • Designed to match performance and output characteristics of Cat diesel engines
  • Robust Class H insulation
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EMCP Control Panel

User-friendly interface and navigationScalable system to meet a wide range of installation requirementExpansion modules and site-s…

  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement
  • Expansion modules and site-specific programming for specific customer requirements
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Cooling System

Designed to operate in standard ambient temperatures up to 55°C (131°F)Contact your Cat Dealer for specific ambient and altitude c…

  • Designed to operate in standard ambient temperatures up to 55°C (131°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities
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Certifications

Cat dealers provide extensive post-sale support including maintenance and repair agreements. Cat dealers have over 1,800 dealer br…

Cat dealers provide extensive post-sale support including maintenance and repair agreements. Cat dealers have over 1,800 dealer branch stores operating in 200 countries. The Caterpillar S•O•S℠ program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products
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One Safe Source

Components used in the generator set are selected based on seamless design integration to provide the optimum performanceThe gener…

  • Components used in the generator set are selected based on seamless design integration to provide the optimum performance
  • The generator set is fully assembled at a Caterpillar facility following our quality guidelines
  • Each generator set package is tested before leaving the Caterpillar facility
  • Cat product support, including dealer service, parts and warranty covers the entire Cat power system
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World Wide Product Support

Cat dealers have over 1,800 dealer branch stores operating in 200 countriesYour local Cat dealer provides extensive post-sale supp…

  • Cat dealers have over 1,800 dealer branch stores operating in 200 countries
  • Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements
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Standard Equipment

Air Inlet System
  • Air cleaner; light duty with disposable element
  • Air cleaner
Cooling System
  • Radiator and cooling fan with guards
  • Coolant drain line with valve
  • Caterpillar extended life coolant
  • Fan drive, battery charging alternator drive
  • Coolant drain line with valve
  • Caterpillar extended life coolant
  • Fan drive, battery charging alternator drive
  • Radiator and cooling fan with guards
Exhaust System
  • Stub pipe, gaskets, raincap and SAE exhaust flange for customer use - shipped loose
  • 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
  • Standard open set fuel tank / base supplied base, formed steel with single wall integral 8-hour fuel tank
Control Panel
  • EMCP 4 Control panel
Generators and Attachments
  • Circuit breaker, IEC, 3 pole, mounted in tower panel
  • Voltage regulator (single phase sensing)
  • IP23 protection
  • 12 leads
  • Segregated low voltage (AC/DC) wiring panel
  • Tower panel, IP22, bottom cable entry
Governing System
  • Mechanical and electrical governing system - model dependent
  • Mechanical and electrical governing system - model dependent
Lube System
  • Lubricating oil
  • Oil drain line with valve
  • Oil drain line with valve
  • Lubricating oil
Generator
  • 12 leads
Mounting System
  • Includes lifting provision and drag points
  • Termination points for coolant and lube oil drain lines
  • Captive linear vibration isolators between base and engine-generator
Starting/Charging System
  • 24V battery with rack and cables
  • 24V battery with rack and cables
  • Batteries
General
  • Engine and alternator pre-paint, Caterpillar Yellow
  • Engine and alternator pre-paint, Caterpillar Yellow
Alternator System
  • LC frame alternator
  • Quadrature droop kit
  • LC frame alternator with coastal insulation protection
  • Anti-condensation heater
  • R frame auxilliary winding
  • Permanent magnet
  • 3 phase sensing
  • R frame auxilliary winding
Circuit Breakers
  • Circuit Breaker Upgrades - 4 Pole circuit reaker to 250A, 400A and 630A
Cooling System
  • Coolant heater
  • Low coolant level shutdown
  • Low coolant temp alarm
Control Panels
  • EMCP 4.2
Control Panel Options
  • Earth fault (2 wire only)
Enclosures
  • Rental pack - CAE rental option only
  • Sound attenuated Level 1 (galv)
  • CEE form sockets - CAE rental option only
  • Sound attenuated Level 2 enclosure
  • Socket blanking plate - CAE rental option only
European Certifications
  • Upgrade to STD set for CE
Fuel System Accessories
  • Low fuel level alarm
  • Compact skidbase for open set
  • High fuel level alarm
  • Skidbase for CALG enclosure sets
  • Open set narrow base
  • Bunded fuel tank
  • Low fuel level shutdown
Global Certifications
  • Certification for CIS
Mounting Options
  • Industrial silencer
  • Silencer installation kit
  • External single point lift - enclosure
  • Battery removal
  • Electronic governor
  • Residential siliencer
Power Termination
  • Circuit breakers, UL listed
Special Packing/Inspectons for Shipment
  • PGS test report @ 1.0 power factor
  • PGS test report @ 0.8 power factor
General - Accessories / Miscellaneous
  • Stone guards / rad trans flange
  • Packing case - canopied set
  • Packing case - compact set

Technical Specifications

  • Generator Set Specifications
    Minimum Rating 50 kVA
    Maximum Rating 110 kVA
    Emissions/Fuel Strategy EU Stage II & R96/EUIIIa
    Voltage 110 to 480 Volts
    Frequency 50 Hz
    Speed 1500 rpm
    Duty Cycle Standby, Prime
  • Engine Model Cat® C4.4
    Bore 4.1 in
    Stroke 5 in
    Displacement 268.5 in³
    Compression Ratio 16.2:1, 17.25:1, 18.2:1 or 18.3:1
    Aspiration Turbocharged
    Fuel System Direct Injection or Common Rail
    Governor Type Mechanical
  • Length - Maximum 75.8 in
    Width - Maximum 44.1 in
    Height - Maximum 53.6 in

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