C18 Generator Set

Overview

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

Cat Generator Set Package
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
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
A-Frame 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
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
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
Certifications
  • Fully prototype tested with certified torsional vibration analysis available
One Safe Source
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
World Wide Product Support
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
Cat Clean Emissions Module (CEM)
Cat Clean Emissions Module (CEM)
  • The Tier 4 Final engine has been optimized to work with the Cat CEM.
  • The CEM is a reliable, compact, and lightweight system that gives maximum installation flexibility.
  • It features a diesel oxidation catalyst for particulate matter (PM) and hydrocarbon (HC) control.
  • Selective catalytic reduction (SCR) reduces NOx output and provides integrated sound attenuation.
UL 2200 / CSA - Optional
UL 2200 / CSA - Optional
  • UL 2200 listed packages
  • CSA Certified
  • Certain restrictions may apply.
  • Consult with your Cat® Dealer.
Cat Generator Set Package
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
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
A-Frame 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
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
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
Certifications
  • Fully prototype tested with certified torsional vibration analysis available
One Safe Source
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
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
Cat Clean Emissions Module (CEM)
Cat Clean Emissions Module (CEM)
  • The Tier 4 Final engine has been optimized to work with the Cat CEM.
  • The CEM is a reliable, compact, and lightweight system that gives maximum installation flexibility.
  • It features a diesel oxidation catalyst for particulate matter (PM) and hydrocarbon (HC) control.
  • Selective catalytic reduction (SCR) reduces NOx output and provides integrated sound attenuation.
  • The CEM is controlled by a separate dosing module that has been integrated into the standard generator set controls for complete monitoring, protection and closed loop NOx control.
  • For more information on the CEM, refer to cut sheet LEHE0359.
UL 2200 / CSA - Optional
UL 2200 / CSA - Optional
  • UL 2200 listed packages
  • CSA Certified
  • Certain restrictions may apply.
  • Consult with your Cat® Dealer.

Engine Specifications

Aspiration
Air to Air Aftercooled
Fuel System
Electronic unit injection
Engine Model
C18 ATAAC, I-6, 4-Stroke Water-Cooled Diesel
Bore
145 mm (5.71 in)
Displacement
18.13 L (1106.36 in3)
Stroke
183 mm (7.2 in)
Compression Ratio
14.5:1
Governor Type
Adem™A4
Aspiration
Air to Air Aftercooled
Fuel System
Electronic unit injection
Fuel System
Electronic unit injection
Displacement
1106.4in³
Bore
1455.7in
Stroke
7.2in

Generator Set Specifications

Minimum Rating
455 ekW
Maximum Rating
500 ekW
Voltage
480 Volts
Frequency
60 Hz
Speed
1800 rpm
Emissions/Fuel Strategy
U.S. EPA Tier 4 Final
Duty Cycle
Standby, Prime

Standard/Optional Features

Standard Equipment:

  • Air Inlet
    • Air Cleaner
  • Exhaust System
    • Exhaust manifold; dry
  • Cooling
    • Package mounted radiator
  • Fuel System
    • Fuel cooler
    • Engine fuel transfer pump
    • Primary fuel filter w/integral water separator & secondary filter
    • Fuel priming pump
    • Flexible fuel lines
  • Exhaust
    • Exhaust flange outlet
  • Fuel
    • Primary fuel filter with integral water separator
    • Fuel priming pump
    • Secondary fuel filter
  • Generator
    • Matched to the performance and output characteristics of Cat engines
    • IP23 Protection
    • Load adjustment module provides engine relief upon load impact and improves load acceptance and recovery time
  • Power Termination
    • Bus Bar
  • Lube System
    • Oil filter and dipstick
    • Lubricating oil
    • Oil drain lines with valve; piped to edge of base
    • Fumes disposal; piped to front of radiator
    • Oil cooler
  • Control Panel
    • EMCP 4 Genset Controller
  • Mounting
    • Rubber vibration isolators
  • Protection System
    • Safety shutoffs for: Higher water temperature - Overspeed - Low oil pressure
  • Cooling System
    • Thermostats and housing, full open temperature 92 deg C (198 deg F)
    • Coolant Level Sensor
    • Coolant level sight gauge.
    • Fan and belt guards
    • Jacket water pump, gear driven, centrifugal
    • Coolant drain line with valve; terminated on edge of base
    • Caterpillar Extended Life Coolant
  • Starting/charging
    • 24V, 45 amp charging alternator.
    • 24-volt electric starting motor
    • 24 volt starting motor
    • Batteries
  • General
    • Paint - Caterpillar Yellow except rails and radiators gloss black
    • Paint, Caterpillar yellow
    • Operation and maintenance manual pack and OMM Storage Compartment
    • Parts book
    • Vibration damper
  • Control System
    • Local annunciator
    • Programmable Input / Output: 2 programmable digital inputs - 2 programmable relay outputs (Form A) - 2 programmable relay outputs (Form C)
    • Suitable for use as service equipment label
    • Separation plate
    • Control panel mounting location
    • Breaker box mounting location
    • Optional external analog input
    • Remote annunciators
    • EMCP 4.2
    • Communications: Customer data link (RS485 Modbus RTu) - Serial annunciator module data link for local and remote annunciator IVR - Integrated Voltage Regulation (Digital) - EM10 Excitation Module
    • Controls include: Run / auto / stop control - Speed adjust - Voltage adjust - Engine cycle crank - Emergency stop pushbutton
    • Digital indication for: rpm - DC volts - operating hours - Oil pressure (psi, kPa or bar) - Coolant temperature (C or F) - Volts (L-L & L-N), frequency (Hz) - Amps (per phase & average) - Power factor (per phase & average) - kW (per phase & average) - kVA (per phase & average) - kVAr (per phase and average) - kW-hr (total) - kVAr-hr (total)
    • Programmable protective relaying functions: Generator phase sequence - Over / Under voltage (27/59) - Over / Under frequency (81 o/u) - Overcurrent (50/51)
    • Warning / Shutdowns with common LED indication of shutdowns for: Low oil pressure - high coolant temperature - Overspeed - Emergency stop - Failure to start (overcrank) - Low coolant temperature - Low coolant level
    • Control panel options: Dust proof control panel - volt free contact - Device server - Ground fault relay
  • Governing System
    • Cat Electronic Governor (ADEM A4)
  • Generator And Attachments
    • Segregated low voltage (AC/DC) wiring panel
    • Brushless, self-excited 2/3 pitch, random wound.
    • Insulation Class H and temperature rise
    • AREP generator
    • CIP - generators
    • IP23 Protection
    • Power center, IP22 bottom cable entry
  • Air Inlet System
    • Single element air filter
    • Air cleaner - Heavy duty
    • Air cleaner - Single element
  • Extended Service Coverage
    • Silver, Gold and Platinum coverage
  • Circuit Breakers
    • 3 Pole 100% rated

Optional Equipment:

  • Control System
    • Ground fault relay
    • Dust proof control panel
    • Breaker box mounting location
    • Volt free contact
    • Device server
    • Separation plate
    • Remote annunciators
    • EMCP 4.4
    • Local annunciator
    • Remote E-stop button
    • Optional external analog input
    • Control panel mounting
  • Exhaust
    • Industrial, Residential, Critical Mufflers
  • Generator
    • Anti-condensation heater
    • Excitation: [ ] Permanent Magnet Excited (PM) [ ] Internally Excited (IE)
    • Oversize and premium generators
  • Power Termination
    • Circuit breakers, UL listed
  • Generators And Attachments
    • AREP Generator
    • CIP generators
    • Space heater
    • Generator mounting and duct plate
  • Air Inlet System
    • Single element air filter
    • Dual element air cleaner
  • Certifications
    • Certificate of compliance
    • IBC certification wind load
  • Circuit Breakers
    • Motorized single circuit breaker
    • Neutral bars
    • Power cables
    • Dual breakers first circuit breaker (CB2) LS/I package mounted
    • Current transformers
    • Package mounted single circuit breakers
    • Dual breakers first circuit breaker (CB1) LS/I package mounted
    • Auxiliary contacts
  • Cooling System
    • Aftertreatment guard
    • Standard radiator
  • Enclosures
    • Sound attenuated enclosures
  • Exhaust System
    • Flange kits
    • Exhaust flexible fittings
  • Fuel System
    • 660 gallon base tank
  • Generator Attachments
    • Permanent magnet generator
  • Mounting System
    • Standard base Wide
    • 5 gallon spill containment
    • Optional CB shroud
    • Overfill prevention valve
    • Locking fuel fill
  • Starting / Charging System
    • Battery disconnect switch
    • Jacket water heater
    • Shore power control group
    • 10 Amp dual battery charger
  • Tests
    • PGS test report @ 0.8 power factor
    • 4 Hour factory test (un-witnessed)
    • PGS test report @ 1.0 power factor
    • Generator test report

Take The Virtual Product Tour To Explore The Features And Benefits of the C18 Generator Set

See how C18 (60 Hz) Tier 4 compares against frequently compared products

C18 (60 Hz) Tier 4 Diesel Generator Sets

Engine Model
C18 ATAAC, I-6, 4-Stroke Water-Cooled Diesel
Voltage
480 Volts
Maximum Rating
500 ekW
Selected Model

C1.1 (60 Hz) Diesel Generator Sets

Engine Model
C1.1, In-line 4, 4-cycle diesel
Voltage
110 to 480 Volts
Maximum Rating
8.8 ekW
View Full Specs

C1.5 (60 Hz) Diesel Generator Sets

Engine Model
Cat® C1.5
Voltage
110 to 415 Volts
Maximum Rating
13.2 ekW
View Full Specs

Compare with other Cat Models

Compare Now

Media Gallery

Check out our current offers

View Specials