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C4.4 (60 Hz)

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Overview

Producing reliable power from 72 to 100 ekW at 60 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.

Generator Set Specifications

  • Minimum Rating 72 ekW 72 ekW
  • Maximum Rating 100 ekW 100 ekW
  • Emissions/Fuel Strategy U.S. EPA Cert., Tier 3 U.S. EPA Cert., Tier 3
  • Voltage 110 to 480 Volts 110 to 480 Volts
  • Frequency 60 Hz 60 Hz
  • Speed 1800 rpm 1800 rpm
  • Duty Cycle Standby, Prime Standby, Prime

Engine Specifications

  • Engine Model Cat® C4.4 Cat® C4.4
  • Bore 4.1 in 105.0 mm
  • Stroke 5.0 in 127.0 mm
  • Displacement 268.5 in³ 4.4 l
  • Compression Ratio 16.2:1, 17.25:1, 18.2:1 or 18.3:1 16.2:1, 17.25:1, 18.2:1 or 18.3:1
  • Aspiration Turbocharged Turbocharged
  • Fuel System Direct Injection or Common Rail Direct Injection or Common Rail
  • Governor Type Mechanical Mechanical

Generator Set Dimensions

  • Length - Maximum 75.8 in 1925.0 mm
  • Width - Maximum 44.1 in 1120.0 mm
  • Height - Maximum 53.6 in 1361.0 mm

Cat Generator Set Package

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

Cat Diesel Engine

  • 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

SR5 Alternator

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

EMCP Control Panel

  • 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

Cooling System

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

Certifications

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

One Safe Source

  • 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

World Wide Product Support

  • 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

C4.4 (60 Hz) Standard Equipment

Air Inlet System

  • Air cleaner; light duty with disposable element
  • Air Cleaner

Cooling System

  • Fan drive, battery charging alternator drive
  • Caterpillar extended life coolant
  • Coolant drain line with valve
  • Radiator and cooling fan with guards
  • Radiator and cooling fan with guards
  • Coolant drain line with valve
  • Caterpillar extended life coolant
  • Fan drive, battery charging alternator drive

Control Panel

  • EMCP 4.1
  • EMCP 4 Control panel

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

Generator

  • IP23 protection
  • Voltage regulator (single phase sensing)
  • 12 leads
  • Circuit breaker, IEC, 3 pole, mounted in tower panel
  • Tower panel, IP22, bottom cable entry
  • Segregated low voltage (AC/DC) wiring panel
  • 12 leads

Governing System

  • Mechanical and electrical governing system - model dependent
  • Mechanical and electrical governing system - model dependent

Lube System

  • Oil drain line with valve
  • Lubricating oil
  • 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
  • 24V battery with rack and cables

General

  • Engine and alternator pre-paint, Caterpillar yellow
  • Engine and alternator pre-paint, Caterpillar Yellow

C4.4 (60 Hz) Optional Equipment

Alternator System

  • Anti-condensation heater
  • Quadrature droop kit
  • 3 phase sensing
  • R frame auxilliary winding
  • LC frame alternator with coastal insulation protection
  • Permanent magnet
  • LC frame alternator
  • R frame auxilliary winding

Circuit Breakers

  • Circuit Breaker Upgrades - 4 Pole circuit reaker to 250A, 400A and 630 A

Cooling System

  • Low coolant temp alarm
  • Coolant heater
  • Low coolant level shutdown

Control Panel Options

  • Earth fault (2 wire only)
  • Control panel heater
  • Panel mounted audible alarm
  • Volt free contacts
  • Voltage adjust potentiometer
  • Overload shutdown via breaker
  • Earth leakage (2 wire only)
  • EMCP 4.2
  • Emergency stop with key
  • Speed adjust potentiometer
  • Battery charger

Enclosures

  • Rental pack - CAE rental option only
  • Sound attenuated Level 2 enclosure
  • Sound attenuated Level 1 (galv)

European Certifications

  • Upgrade to STD set for CE

Fuel System

  • Low fuel level shutdown
  • Compact skidbase for open set
  • Open set narrow base
  • Bunded fuel tank
  • Low fuel level alarm
  • High fuel level alarm
  • Skidbase for CALG enclosure sets

Global Certifications

  • Certification for CIS

Mounting Options

  • Electronic governor
  • External single point lift - enclosure
  • Silencer installation kit
  • Industrial silencer
  • Battery removal

Special Packing/Inspectons for Shipment

  • PGS test report @ 1.0 power factor
  • PGS test report @ 0.8 power factor

General - Accessories / Miscellaneous

  • Packing case - canopied set
  • Packing case - compact set
  • Stone guards / rad trans flange

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