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Producing reliable power from 1600 to 2000 kVA at 50 Hz, our 3516 diesel generator sets are made to meet your mission critical, continuous, standby and prime applications. We've designed each to ISO 8528-5 transient response requirements and to accept 100 per cent rated load in one step. Generator sets offer a low fuel consumption system.

Generator Set Specifications

Minimum Rating 1600 kVA 1600 kVA Less
Maximum Rating 2000 kVA 2000 kVA Less
Emissions/Fuel Strategy Low Fuel Consumption Low Fuel Consumption Less
Voltage 380 to 11000 Volts 380 to 11000 Volts Less
Frequency 50 Hz 50 Hz Less
Speed 1500 rpm 1500 rpm Less
Duty Cycle Standby, Mission Critical, Prime, Continuous Standby, Mission Critical, Prime, Continuous Less

Engine Specifications

Engine Model 3516 TA, V-16, 4-Stroke Water-Cooled Diesel 3516 TA, V-16, 4-Stroke Water-Cooled Diesel Less
Bore 6.69 in 170.0 mm Less
Stroke 7.48 in 190.0 mm Less
Displacement 4210.64 in³ 69.0 l Less
Compression Ratio 13.0:1 13.0:1 Less
Aspiration TA TA Less
Fuel System Mechanical unit injection Mechanical unit injection Less
Governor Type Woodward Woodward Less

Generator Set Dimensions

Length - Maximum 232.9 in 5919.0 mm Less
Width - Maximum 90.0 in 2286.0 mm Less
Height - Maximum 93.2 in 2367.0 mm Less
Dry Weight - Genset (maximum) 33900.0 lb 16375.0 kg 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 4 Control Panel

  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirements
  • 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


  • IBC Seismic Certification
  • EU Declaration of Conformity
  • EEC Declaration of Conformity (EAC)

One Safe Source

  • Components used in the generator set are selected at the design stage to provide optimum package 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

3516 (50 Hz) Standard Equipment

Air Inlet System
  • Air Cleaner; single element canister type

Air Inlet
  • Air Cleaner

  • Package mounted radiator

  • Exhaust flange outlet

  • Secondary fuel filter
  • Fuel priming pump
  • Primary fuel filter with integral water separator

  • Matched to the performance and output characteristics of Cat engines
  • IP23 Protection

Power Termination
  • Bus Bar

Control Panel
  • EMCP 4 Genset Controller

Control Panels
  • Over / Under voltage (27/59)
  • Serial annunciator module data link
  • Communications:
  • Overcurrent (50/51)
  • Over / Under frequency (81 o/u
  • Text alarm / event descriptions
  • Generator set packages include Caterpillar' s Voltage Regulator.
  • Programmable protective relaying functions:
  • 4 Programmable relay outputs (Form A)
  • Reverse Power (kW) (32)
  • Emergency stop
  • Amps (per phase & average)
  • Oil pressure (psi, kPa or bar)
  • Operating hours
  • 24 Volt DC operation
  • Low oil pressure
  • 6 Customer programmable digital inputs
  • 1 Programmable digital outputs
  • 1 Programmable relay outputs (Form C)
  • Volts (L-L & L-N)
  • Number of I/O varies on options selected:
  • RPM - DC volts
  • Low coolant level
  • kVAr-hr (total)
  • Controls: Speed adjust - Auto / start / stop control - Engine cool-down timer - Engine cycle crank - Alarm acknowledge - Lamp test - Load histogram feature - PLC functionality - Customizable screens -0 True RMS AC metering, 3-phase, +/-2% accuracy
  • kW-hr (total)
  • Failure to start (overcrank)
  • Environmental sealed front face
  • Power Factor (per phase & average)
  • Accessory module data link
  • Generator mounted - rear facing
  • High coolant temperature
  • Overspeed
  • 3 Analog inputs
  • Frequency (Hz)
  • Warning/shutdown with common LED indication of shutdowns for
  • Coolant temperature
  • IVR includes reactive droop capability, 3-phase voltage sensing, KVAR / PF modes, RFI suppression, min /max exciter. Limiter and exciter diode monitor
  • Customer data link (Modbus RTU)
  • kVA (per phase, average & percent)
  • Cat Connect
  • Generator phase sequence
  • Reverse Reactive Power (kVAr) (32RV
  • DC volts
  • kW (per phase, average & percent)
  • kVAr (per phase, average & percent)
  • Emergency stop pushbutton
  • Digital indication for
  • Low coolant temperature
  • EMCP 4.2

Cooling System
  • ATAAC - 3516E Package Radiators shipped installed
  • Certified standard PGS provided

Exhaust System
  • Flanged faced outlet(s)
  • Dry exhaust manifold

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

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

Generator and Attachments
  • Medium Voltage:
  • Form wound
  • Winding temperature detectors
  • High Voltage:
  • 3 Phase brushless, salient pole
  • Permanent magnet
  • Permanent magnet
  • NEMA standard hole pattern
  • Internal Excitation
  • Six lead
  • Class H insulation, Class F temperature rise at 40C ambient (105C prime/130C standby)
  • Low voltage:
  • Winding temperature detectors
  • NEMA standard hole pattern
  • Form wound
  • Winding temperature detectors
  • Random wound
  • Busbar connections, top center mounted, top cable entry
  • NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime/150C standby)
  • Anti Condensation Space Heater
  • NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime/150C standby)

Governing System
  • ADEM A3

  • English

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

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

Starting System
  • Battery disconnect switch
  • Battery and battery rack w/cables
  • 45 Amp charging alternator
  • 24 Volt electric starting motor

3516 (50 Hz) Optional Equipment

Control System
  • EMCP 4.3, EMCP 4.4

Air Inlet System
  • Dual element air cleaner
  • Single element filter

  • Exhaust mufflers

Cooling System
  • Optional installed radiators
  • Coolant
  • Standard ambient ATAAC radiators
  • Optional installed ATAAC radiators
  • Standard ambient radiators
  • Water level switch gauges

  • Internal excitation (IE)
  • Anti-condensation heater
  • Oversize and premium generators
  • Permanent magnet excitation (PMG)

Crankcase System
  • No explosion relief valves
  • Ventilation system
  • Explosion relief valves

Power Termination
  • Circuit breakers, UL listed
  • Circuit breakers, IEC compliant

Control Panels
  • Remote monitoring software
  • Generator temperature monitoring & protection
  • Load share module
  • EMCP 4.4
  • Digital I/O module
  • EMCP 4.3
  • EMCP 4.2

Exhaust System
  • Exhaust offset
  • Tier 4 dosing cabinet
  • Flexible fittings
  • Mufflers
  • Tier 4 clean emissions module
  • Elbows
  • Flange and exhaust expanders
  • Tier 4 clean emission MOD Kits
  • Flanges
  • Clean emission parts
  • Y-Adapters

  • Spring-type vibration isolator
  • IBC isolators
  • Rubber anti-vibration mounts

Fuel System
  • Fuel Priming Pumps (Tier 4) - Manual or electric
  • Primary fuel filter

  • Jacket water heater
  • Oversize batteries
  • Battery chargers
  • Air starting motor with control and silencer
  • Heavy-duty starting system
  • Charging alternator

  • Special paint (Colors other than Caterpillar yellow or high performance paints)
  • US aid emblem

Generators and Attachments
  • Thermostate for space heater
  • Alternator air cleaner
  • Differential current transformers (DCT)
  • Differntial current transformers (DCT) 8.7 kV and 15 kV classes
  • Generator conversion
  • Low / medium voltage: 380/400/415 volts, 3 phase 1500 rpm. RW, IE, No. of Leads = 6, Pitch = .6667: 1600 Frame
  • Low / medium voltage: 380/400/415 volts, 3 phase 1500 rpm. RW, PM, No. of Leads = 6, Pitch = .6667: 1600 and 1800 Frames
  • Space heater

  • Pyrometer and thermocouples

Lubrication System
  • Oil level regulator
  • Prelube pumps
  • Lube oil in standard sump

Mounting System
  • Spring type vibration isolators
  • Puck style low efficiency isolators
  • IBC vibration isolators

Power Connections
  • Neutral ground connections
  • Center post busbar
  • Right side power connections
  • Rear power connections
  • 2700 Frame, four lead, four terminal
  • Left side power connections
  • Ground cables between generator and terminal box
  • Low voltage circuit breakers

Special Tests / Reports
  • IBC certification
  • Standard engine test charge
  • PGS test report @ 1.0 power factor
  • generator test report
  • Fuel consumption test
  • Canadian Standards Association certification
  • PGS test report @ 0.8 power factor
  • OSHPD certification
  • Torsional vibration analysis reports
  • Generator set fuel consumption test

Starting and Charging
  • Electric starting motors
  • Air pressure regulator
  • 24 Volt battery set - Dry
  • Engine barring device
  • Starter cover
  • Air starting motors
  • Jacket water heaters
  • 10, 20, 35 and 50 amp battery chargers

Extended Service Coverage
  • Platinum, Gold and Silver coverage

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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Caterpillar offers a comprehensive variety of electric power systems, customised to fit your needs. Our specialised systems deliver high power and performance in industries across the globe. With Caterpillar, you get outstanding manufacturing quality, expert support, and the essential tools and applications to complete any project.

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EMCP 4 Generator Set Controls

Cat generator sets provide a complete factory-built solution with fully featured standard and advanced controls. Optional accessories enhance the capabilities of the genset package-mounted control system.

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