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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

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

Engine Specifications

Engine Model Cat® C4.4 Cat® C4.4 Less
Bore 4.1 in 105.0 mm Less
Stroke 5.0 in 127.0 mm Less
Displacement 268.5 in³ 4.4 l Less
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 Less
Aspiration Turbocharged Turbocharged Less
Fuel System Direct Injection or Common Rail Direct Injection or Common Rail Less
Governor Type Mechanical Mechanical Less

Generator Set Dimensions

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

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

Application Center

Explore valuable resources for generator sizing, specification, and training materials. SpecSizer evaluates load types, collects data, and organizes it to help you select the generator set that's best for you. Find product comparisons, technical data, product sizing, and more using our technical information portal (TIP) specifically created for consultants, architects, engineers, and owners.

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