3516B DGB™ (60 Hz)

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Producing reliable power from 1640 ekW to 1825 ekW at 60 Hz, our 3516B diesel generator sets are made to match your continuous and prime applications. Each meets ISO 8528-5 transient response requirements and accepts 100 percent rated load in one step. Our 3516B DGB generator sets are designed for low fuel consumption — it's how we're helping you power responsibly. Ensure you have a non-stop power supply with our integrated control system, including switchgear, and know your fleet status with its on-site and remote monitoring options. Our EMCP 4.3 control panel, with a user-friendly interface, combines all your management and diagnostic tools. Equip your generator sets with what they need to operate to your standards with our broad range of accessories and bolt-on system expansion attachments. Find flexible packaging options to work with your environmental conditions. Our 3516B DGB generator sets were designed to take on power challenges — like yours.

Engine Specifications

  • Bore 6.69 in 170.0 mm
  • Displacement - HD 4764.73 in³ 78.08 l
  • Stroke - HD 8.46 in 215.0 mm

3516B DGB™ (60 Hz) Standard Equipment

Air Inlet System

  • Air cleaner, single element canister type

Control System

  • EMCP 4.2
  • Emergency stop pushbutton
  • 24 Volt DC operation
  • Environmental sealed front face
  • Text alarm / event descriptions
  • Generator mounted - rear facing
  • Generator set packages include Caterpillars Voltage
  • Regulator (IVR) - IVR includes reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, min/max exciter
  • Limiter and exciter diode monitor
  • 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
  • True RMS AC metering, 3-phase, +/-2% accuracy
  • Digital indication for:
  • RPM
  • 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
  • Cat Connect
  • 3 Analog inputs
  • 6 Customer programmable digital inputs
  • Number of I/O varies on options selected:
  • 4 Programmable relay outputs (Form A)
  • 1 Programmable relay outputs (Form C)
  • 1 Programmable digital outputs

Cooling System

  • Package mounted radiator

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


  • Paint - Caterpillar yellow except rails and radiators gloss black
  • RH Service
  • Flywheel and Flywheel housing-SAE No. 00
  • SAE Standard Rotation

Generators and Attachments

  • Matched to the performance and output characteristics of Cat engines
  • IP23 Protection
  • 3 Phase brushless, salient pole
  • 6 lead
  • LV
  • Random wound
  • Permanent magnet
  • Winding temperature detectors
  • NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime / 150C standby) - 60 Hz models: NEMA standard hole pattern
  • MV:
  • Form wound
  • Permanent magnet
  • Winding temperature detectors
  • NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime / 150C standby)
  • Bus bar connections, right side extension box, bottom cable entry - 60 Hz models: NEMA standard hole pattern
  • HV:
  • 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)

Governing System

  • ADEM A3

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.
  • Anti-vibration mounts (shipped loose).
  • Rubber anti-vibration mounts (shipped loose)

Starting System

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

3516B DGB™ (60 Hz) Optional Equipment

Air Inlet System

  • Single Element Filter
  • Dual Element Air Cleaner
  • Optional Radiator Arrangements
  • Standard ambient radiators
  • Standard ambient ATAAC radiators

Control Panels

  • EMCP 4.3, EMCP 4.4
  • Generator main terminal box
  • Load share module
  • Digital I/O module
  • Remote monitoring software
  • Empty upper box
  • Side extension box
  • Cable Shroud
  • Annunciator - local
  • Annunciator - remote
  • Vandal proof panel cover

Cooling System

  • Water level switch gauges
  • Coolant

Crankcase Systems

  • Crankcase protection groups:
  • No explosion relief valves
  • Explosion relief valve
  • Crankcase ventilation systems

Exhaust System

  • Elbows>
  • Flange and exhaust expanders
  • Flanges
  • Flexible fittings
  • Y Adapters
  • Mufflers
  • Exhaust offset
  • Tier 4 lean emissions moduel
  • Tier 4 dosing cabinet
  • Tier 4 clean emission MOD kits
  • Elean emission parts

Extended Service Coverage

  • Platinum, Silver and Gold coverage

Fuel System

  • Primary fuel filter
  • Gas fuel filter
  • Fuel priming pump (Tier 4)

Generators and Attachments

  • 1600 Frame - 380, 440, 480, 600 Volts, 3 Phase 1800 RPM, RW, IE, No. of leads = 6, Pitch = .6667
  • 1600 Frame - 380, 440, 480, 600 Volts, 3 Phase 1800 RPM, RW, PM, No. of leads = 6, Pitch = .6667
  • 1600 Frame - 380, 416, 440, 480, 600, 2400, 4160 Volts, 3 Phase 1800 RPM ,FW, PM, No. of leads = 6, Pitch = .6667
  • 1800 Frame
  • Generators high voltage
  • 2700 Frame - 6300, 6600, 6900 Volts, 3 Phase 1800 RPM, FW, PM, No. of leads = 6, Pitch = .6667
  • 3000 Frame - 12470, 13200, 13800 Volts, 3 Phase 1800 RPM, FW, PM, No. of leads = 6, Pitch = .6667
  • Space heater kit
  • Generator conversions
  • Hi volt optional attachments
  • Alternator air cleaner
  • Differential current transformers


  • Pyrometer and Termocouples

Lube System

  • Lube oil in standard sump
  • Oil level regulator
  • Prelube pump groups

Mounting System

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

Power Connections

  • Grounding groups
  • Neutral ground connections
  • Center post busbar
  • Right side power connections
  • Cable entry - right side
  • left side power connections
  • Cable entry - left side
  • Rear power connections
  • Cable entry - rear

Power Termination

  • Circuit breakers - LV Packages
  • 1600, 2000, 2500, 3000 and 4000 Amp, 3 Pole, UL-100% rated circuit breakers
  • 2000, 2500, 3200 Amp, 4 Pole, IEC rated circuit breakers
  • 2000, 2500, 3200 Amp, 3 Pole, IEC rated circuit breakers

Special Tests / Reports

  • Seismic certifications
  • OSPD certification
  • PGS test report @ 1.0 power factor
  • PGS test report @ 0.8 power factor
  • Standard engine test
  • Generator set report
  • Fuel consumption test
  • Torsional vibration analysis

Starting / Charging

  • Engine barring devices
  • Batteries, racks and cables
  • 10, 20 and 35 Amp battery charger
  • 50 Amp NFPA battery charger
  • Electric starting motors
  • Air starting motors
  • Starter covers
  • Air pressure regulator
  • Jacket water heaters

Cat Generator Set Package

Cat generator set packages have been fully prototype tested, and certified torsional vibration analysis reports are available. The packages are designed to accept 100% load in one step, meet the NFPA 110 requirement for loading, and conform to the ISO 8528-5 steady state and transient response requirements

Cat Diesel Engine

The four cycle Cat diesel engine combines consistent performance with excellent fuel economy and transient response that meets or exceeds ISO 8528-5. The engines have been designed and built for a wide range of applications and can be optimized for low fuel consumption or low emissions. The engines feature a reliable, rugged, and durable design that has been field proven in thousands of applications worldwide from emergency standby installations to continuously operating power plants.

Cooling System

The cooling system has been designed to operate in standard ambient temperatures up to 50°C (122°F), with optional high ambient radiators available. The factory installed cooling system has been designed and tested to ensure proper generator set cooling, and includes the radiator, fan, belts, and all guarding installed as standard. Contact your Cat Dealer for specific ambient and altitude capabilities.


The generators used on Cat packages have been designed and tested to work with the Cat engine. The generators are built with robust Class H insulation and provide industry leading motor starting capability. Random wound generators provide good generator performance in a majority of applications and form wound is available for harsh mechanical and electrical environments.

Cat EMCP Control Panel

The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4 systems can be further customized to meet your needs through programming and expansion modules.

World Wide Product Support

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.

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