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Overview

Producing reliable power from 36 to 60 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 36 ekW 36 ekW Less
Maximum Rating 60 ekW 60 ekW Less
Emissions/Fuel Strategy U.S. EPA Cert., Tier 3 U.S. EPA Cert., Tier 3 Less
Voltage 208 to 600 Volts 208 to 600 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 C4.4, In-line 4, 4-cycle diesel C4.4, In-line 4, 4-cycle diesel Less
Bore 4.13 in 105.0 mm Less
Stroke 5.0 in 127.0 mm Less
Displacement 268.5 in 4.4 l Less
Compression Ratio 18.2:1 18.2:1 Less
Aspiration Turbocharged Turbocharged Less
Fuel System Electronic (adjustable) Electronic (adjustable) Less
Governor Type Adem™A4 Adem™A4 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

Certificates
  • IBC Seismic and Wind Certifications

Circuit Breakers
  • Breakers (100% UL rated)
  • Second circuit breaker box
  • Power perminal strips
  • 3-Pole 100% rated

Air Inlet System
  • Air Cleaner
  • Cartridge type air filter

Charging System
  • NFPA battery charger UL10A 120VAC

Control Panel
  • EMCP 4 Control panel

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

Control Panels
  • FSS low fuel level alarm & indication panel circuitry required when sub-base tank is selected
  • NFPA110 bundle includes:
  • WSS1 Low coolant level shut down
  • WCA1 Low coolant temperature alarm
  • A coolant heater, remote annunciator or 0.8 power factor test may be required depending on the application
  • Oil temperature guage and sender
  • PAA1 Panel mounted audible alarm
  • PBC10NU NFPA Battery Charger
  • Ground fault relay
  • Discrete I/O module
  • Remote E-stop button
  • Volt free contacts genset run and common alarm
  • Audible alarm
  • Remote annunciator
  • Low coolant temperature alarm
  • Protective devices:
  • Low coolant level shutdown
  • Overload shutdown via breaker
  • Fuel level reading

Generator
  • 12 leads

Governing System
  • Mechanical and electrical governing system - model dependent

Lube System
  • Lubricating oil
  • Oil drain line with valve

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

General
  • Engine and alternator pre-paint, Caterpillar Yellow

Starting/Charging System
  • 24V battery with rack and cables
  • Batteries

C4.4 (60 Hz) Optional Equipment

Certificates
  • IBC Seismic and Wind Certifications

Alternator System
  • R frame auxilliary winding

Air Inlet System
  • Cartridge type air filter

Charging System
  • NFPA battery charger UL10A 120VAC

Circuit Breakers
  • 3-Pole 100% rated
  • Power perminal strips
  • Breakers (100% UL rated)
  • Second circuit breaker box

Control Panels
  • NFPA110 bundle includes: FSS low fuel level alarm & indication panel circuitry required when sub-base tank is selected - WSS1 Low Coolant level shut down - WCA1 Low Coolant temperature alarm - PAA1 Panel mounted audible alarm - PBC10NU NFPA Battery Charger - A coolant heater ,remote annunciator or 0.8 power factor test may be required depending on the application
  • Discrete I/O module
  • Ground fault relay
  • Volt free contacts genset run and common alarm
  • Remote E-stop button
  • Remote annunciator
  • Audible alarm
  • Protective devices: Low coolant temperature alarm - Low coolant level shutdown - Fuel level reading - Overload shutdown via breaker
  • Oil temperature guage and sender

Cooling System
  • Radiator transition flange
  • Radiator transition flange

Enclosures
  • Sound attenuated enclosure, level 1
  • Sound attenuated enclosure, level 2
  • External emergency stop
  • Panel viewing window
  • Weatherproof enclosure
  • Sound attenuated enclosure, level 1
  • Panel viewing window
  • Sound attenuated enclosure, level 2
  • Weatherproof enclosure
  • External emergency stop

Heating Elements
  • Anti-condensation heater
  • Lube oil sump heater
  • Wiring for canopy space heater
  • Battery heater
  • Jacket water heater
  • Coolant heater
  • Anti-condensation heater
  • Battery heater
  • Lube oil sump heater
  • Coolant heater
  • Jacket water heater
  • Wiring for canopy space heater

Exhaust System
  • Overhaed silencer mounting kit
  • 10, 25 and 35 dBA silencer systems
  • 10, 25 and 35 dBA silencer systems
  • Overhaed silencer mounting kit

Fuel System
  • Emergency vent pipe
  • 5 gallon spill containment
  • 5 gallon fill containment
  • Tank riser
  • 209 and 394 gallon sub-base fuel tanks
  • Tank riser
  • 5 gallon spill containment
  • Emergency vent pipe
  • 209 and 394 gallon sub-base fuel tanks
  • 5 gallon fill containment

Generators
  • Permanent magnet generator
  • Permanent magnet generator

Mounting System
  • Seismic vibration isolators
  • Seismic vibration isolators

Tests
  • 4 Hour factory test
  • Generator test report
  • PGS test report @ 0.8 power factor
  • PGS test report @ 1.0 power factor
  • Generator test report
  • 4 Hour factory test
  • PGS test report @ 0.8 power factor
  • PGS test report @ 1.0 power factor

Application Centre

Explore valuable resources for generator sizing, specification, and training materials. SpecSizer evaluates load types, collects data, and organises 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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