C18 Generator Set

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

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    Request Machine Walkaround
    Duty Cycle Standby, Prime
    Emissions/Fuel Strategy U.S. EPA Tier 4 Final
    Frequency 60 Hz
    Maximum Rating 500 ekW
    Minimum Rating 455 ekW
    Speed 1800 rpm
    Voltage 480 Volts
    Aspiration Air to Air Aftercooled
    Bore 1455.7in
    Compression Ratio 14.5:1
    Displacement 1106.4in³
    Engine Model C18 ATAAC, I-6, 4-Stroke Water-Cooled Diesel
    Fuel System Electronic unit injection
    Governor Type Adem™A4
    Stroke 7.2in

    Standard Equipment:

    • Air cleaner
    • Exhaust manifold - dry
    • Package mounted radiator
    • Fuel cooler
    • Engine fuel transfer pump
    • Primary fuel filter w/integral water separator and secondary filter
    • Fuel priming pump
    • Flexible fuel lines
    • Exhaust flange outlet
    • Primary fuel filter with integral water separator
    • Fuel priming pump
    • Secondary fuel filters
    • 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
    • Busbar
    • 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
    • GCCP Genset Controller
    • Rubber vibration isolators
    • Safety shutoffs for: Higher water temperature - Overspeed - Low oil pressure
    • 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
    • 24V, 45 Amp Charging alternator
    • 24 Volt electric starting motor
    • 24 volt starting motor
    • Batteries
    • 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
    • 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
    • GCCP 1.2
    • 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/shutdown 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
    • Cat electronic governor (ADEM A4)
    • 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
    • Single element air filter
    • Air cleaner - Heavy duty
    • Air cleaner - Single element
    • Silver, Gold and Platinum coverage
    • 3 Pole 100% rated

    Optional Equipment:

    • Ground fault relay
    • Dust proof control panel
    • Breaker box mounting location
    • Volt free contact
    • Device server
    • Separation plate
    • Remote annunciators
    • GCCP 1.5
    • Local annunciator
    • Remote E-stop button
    • Optional external analog input
    • Control panel mounting
    • Industrial, residential, critical mufflers
    • Anti-condensation heater
    • Excitation: [ ] Permanent magnet excitation (PMG) Excited (PM) [ ] Internally Excited (IE)
    • Oversize and premium generators
    • Circuit breakers, UL listed
    • AREP generator
    • CIP generators
    • Space heater
    • Generator mounting and duct plate
    • Single element air filter
    • Dual element air cleaner
    • Certificate of Compliance
    • IBC Certification wind load
    • 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
    • Aftertreatment guard
    • Standard radiator
    • Sound attenuated enclosures
    • Flange kits
    • Exhaust flexible fittings
    • 660 gallon base tank
    • Permanent magnet excitation (PMG) generator
    • Standard base wide
    • 5 Gallon spill containment
    • Optional CB shroud
    • Overfill prevention valve
    • Locking fuel fill
    • Battery disconnect switch
    • Jacket water heater
    • Shore power control group
    • 10 Amp dual Battery charger
    • PGS Test report @ 0.8 power factor
    • 4 Hour factory test (un-witnessed)
    • PGS Test report @ 1.0 power factor
    • Generator test report

    Explore the features and Benefits
    of the C18 Generator Set

    What Our Customers Are Saying About Us

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    Based on 46 reviews
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    15:26 23 Sep 23
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    16:17 07 Sep 23
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    21:06 25 Aug 23
    They had all my parts for my 3208 Cat.
    Friendly folks at parts counter.