3516E (60 Hz)

Cat Generator Set Package

  • Cat generator set packages have been fully prototype tested
  • Accepts 100% block load in one step and meets other 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
  • 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 4 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 50°C (122°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities
  • Certifications

  • UL2200 Listed
  • CSA Certified
  • IBC Seismic Certification
  • OSHPD pre-approval
  • EEC Declaration of Conformity
  • EU Declaraton of Incorporation
  • Eurasian Conformity (EAC) Mark

    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
  • 3516E (60 Hz) Standard Equipment

    Air Inlet System

    • Air cleaner
    • Single element canister type with service indicator


    • Track master link

    Control Panel

    • EMCP 4.2
    • Emergency stop pushbutton
    • Panel Lights
    • EMCP 4.2 controller includes:
    • 24 Volt DC operation
    • Environmental sealed front face
    • Text alarm / event descriptions
    • Generator mounted - rear facing
    • Controls:
    • Speed adjust
    • Engine cool-down timer
    • Engine cycle crank
    • Alarm acknowledge
    • Lamp test
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • Digital indication for:
    • DC volts
    • Operating hours
    • Oil pressure (psi, kPa or bar)
    • Coolant temperature
    • Volts (L-L & L-N)
    • Frequency (Hz)
    • Amps (per phase & average)
    • Power Factor (per phase & average)
    • kW (per phase, average & percent)
    • kVA (per phase, average & percent)
    • kVAr (per phase, average & percent)
    • kW-hr (total)
    • kVAr-hr (total)
    • 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
    • Programmable protective relaying functions:
    • Generator phase sequence
    • Over / under voltage (27/59)
    • Over / under frequency (81 o/u)
    • Reverse Power (kW) (32)
    • Reverse reactive power (kVAr) (32RV)
    • Overcurrent (50/51)
    • Communications:
    • Customer data link (Modbus RTU)
    • Accessory module data link
    • Serial annunciator module data link
    • 6 Programmable digital inputs
    • 4 Programmable relay outputs (Form A)
    • 2 Programmable relay outputs (Form C)
    • 2 Programmable digital outputs

    Cooling System

    • JWAC
    • Radiator fan and fan drive
    • Fan and belt guards
    • Coolant drain line with valve
    • Coolant level sensors
    • Caterpillar extended life coolant

    Exhaust System

    • Dry exhaust manifold
    • Flanged faced outlet(s)

    Fuel System

    • Secondary fuel filters
    • Fuel cooler; not included with packages without radiator
    • Flexible fuel lines - shipped loose
    • Fuel priming pump

    Generators and Attachments

    • 3 Phase brushless, salient pole
    • 6 Lead
    • Form Wound
    • Permanent magnet
    • Winding temperature detectors
    • Anti condensation space heater
    • Class H insulation, Class F temperature rise at 40C ambient (105C prime/130C standby)
    • Right side extension terminal box, bus bar connections, top mounted, bottom cable entry
    • NEMA standard hole pattern

    Governing System

    • ADEM III


    • English

    Lube System

    • Lubricating oil
    • Gear type lube oil pump
    • Integral lube oil cooler
    • Oil filter, filler and dipstick
    • Oil drain lines and valve
    • Fumes disposal

    Mounting System

    • Rails - engine/generator/radiator mounting
    • Rubber anti-vibration mounts (shipped loose)

    Starting / Charging System

    • 24-volt electric starting motor
    • 45 Amp charging alternator
    • Battery and battery rack w/cables
    • Battery disconnect switch


    • Paint: Caterpillar yellow with high gloss black rails & radiator
    • Right hand servicing
    • Flywheel and flywheel housing-SAE No. 00
    • SAE standard rotation

    3516E (60 Hz) Optional Equipment

    Air Inlet System

    • Dual element air cleaners
    • Heavy duty air cleaners
    • Remote air inlet adapters
    • Air inlet protection

    Circuit Breakers

    • Optional busbar power connections
    • Circuit breaker harnesses
    • Cable entry options
    • 2000, 2500, 3200, 4000, 5000 Amp, 3 Pole, IEC Rated Circuit Breakers
    • 1600, 2000, 2500, 3000, 4000, 5000 Amp, 3 Pole, UL-100% Rated Circuit Breakers
    • 2000, 2500, 3200, 4000 Amp, 4 Pole, IEC-Rated Circuit Breakers
    • Busbar connections
    • P Frame breaker connections
    • R Frame breaker connections
    • Masterpact breaker connections

    Control Panel

    • EMCP 4.3, EMCP 4.4
    • Language options
    • Annunciator modules
    • Load share module options
    • Mounting group - External box clips
    • Auxiliary box
    • Customer interface options
    • Generator temperature monitoring
    • Voltage raise / lower switch
    • Remote speed adjust
    • PC monitoring (Remote and local)
    • Vandal proof panel door
    • Ground

    Cooling System

    • Optional Serpentine radiators
    • Optional ATAAC radiators
    • Water level switch gauges
    • Expansion tanks

    Exhaust System

    • Elbows
    • Flanges
    • Flexible fittings
    • Y Adapters
    • Flanges and exhaust fittings
    • Mufflers

    Fuel System

    • Duplex fuel filters
    • Primary fuel filters

    Generators and attachments

    • Primary fuel filters
    • Alternator air cleaners
    • Differential current transformers - 8.7 and 15 kV class


    • Pyrometer and thermocouples

    Lube System

    • Lube oil in standard sump
    • Oil level regulator
    • Electric prelube pump
    • Manual prelube pum

    Mounting System

    • Puck style low efficiency lsolators
    • Spring type vibration isolators
    • IBC seismic vibration isolators NORAD

    Power Connections

    • 2700 & 3000 Frame
    • Grounding groups
    • Neutral ground connections

    Special Tests / Reports

    • IBC certifications
    • PGS test report @ 1.0 power factor
    • PGS test report @ 0.8 power factor
    • Standard engine test charge
    • Generator set test report
    • Fuel consumption test
    • Generator set consumption test
    • Torsional vibration analysis

    Starting / Charging System

    • Engine barring group
    • 24 Volt battery set - Dry
    • 10, 20, 35 and 50 Amp battery chargers
    • Electric starting motors
    • Air starting motors
    • Starter covers
    • Air pressure regulator
    • Jacket water heaters


    • Special paint colors
    • US aid emblem

    Select Units


    The 3516E diesel generator sets are made to match your mission critical, standby and prime applications, and meet our quality standards. Producing reliable power from 2500 to 2750 ekW at 60 Hz, each generator set has been designed to meet ISO 8528-5 transient response requirements and to accept 100 percent rated load in one step. Seismic certification is also available for select models, maintaining power after unexpected disturbances. The integrated control system, including ATS and switchgear, ensures a consistent power supply and connection to your fleet through on-site and remote monitoring options. With an user friendly interface our EMCP 4 control panel provides flexible options putting your management and diagnostic tools in one. The EMCP 4.4 controller provides multi-generator set paralleling capability, giving you the ability to add generator sets to provide expanded capacity and generator set redundancy to match your requirements. As no two power requirements are the same we offer a broad range of accessories and bolt-on system expansion attachments. Find flexible packaging options to work with your spatial requirements and environmental conditions. Our 3516E generator sets are developed for such prerequisites, so that you can meet your specific power needs — customize them to match your requirements. For added safety select from one of the UL 2200 and CSA certified package options.

    Generator Set Specifications

    • Minimum Rating 2500 eKW 2500 eKW
    • Maximum Rating 2750 ekW 2750 ekW
    • Emissions/Fuel Strategy US EPA Stationary Emergency Use Only (Tier 2) US EPA Stationary Emergency Use Only (Tier 2)
    • Voltage 416 to 13,800 Volts 416 to 13,800 Volts
    • Frequency 60 Hz 60 Hz
    • Speed 1800 rpm 1800 rpm
    • Duty Cycle Standby, Mission Critical, Prime Standby, Mission Critical, Prime

    Engine Specifications

    • Engine Model 3516E, SCAC, V-16, 4-Stroke, Water-Cooled Diesel 3516E, SCAC, V-16, 4-Stroke, Water-Cooled Diesel
    • Bore 6.69 in 170.0 mm
    • Stroke 8.47 in 215.0 mm
    • Displacement 4765.0 in³ 78.1 l
    • Compression Ratio 14.3:1 14.3:1
    • Aspiration ATAAC ATAAC
    • Fuel System MEUI MEUI
    • Governor Type Adem™ A5 Adem™ A5

    Generator Set Dimensions

    • Length - Maximum 324.0 in 8238.0 mm
    • Width - Maximum 104.0 in 2640.0 mm
    • Height - Maximum 132.0 in 3342.0 mm
    • Dry Weight - Genset (maximum) 40750.0 lb 18480.0 kg
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