3516B Diesel Generator Sets Front right
3516 DGB Generator Set Front Left
3516 DGB Generator Set Rear Left
3516 DGB Generator Set Front Right
Diesel generator sets

3516B DGB™ (50 Hz)

The 3516B DGB (Dynamic Gas Blending) generator sets are made to match your continuous and prime applications. Producing reliable power from 1750 to 2275 kVA at 50 Hz, each generator set has been designed to meet ISO 8528-5 transient response requirements and accepts 100 % rated load in one step. Our 3516B DGB generator sets have been developed for low fuel consumption.

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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

Cat ECS 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

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

Up to 70% Natural Gas Fuel Mixture

The transient response of diesel with the economy and low emissions of natural gas.

Over 4,000,000,000 Global Operating Hours

Proven performance in heavy-duty applications

Over 200,000 Shipped

Since 1981, leading the large engine market

Generator Set Specifications
Prime Power Rating2275/2000 kVA
Continuous Rating2000/1750 kVA
Emissions/Fuel StrategyLow Fuel Consumption
Voltage380 to 11000 Volts
Frequency50 Hz
Speed1500 rpm
Duty CyclePrime, Continuous
Maximum Rating2275 kVA
Minimum Rating1750 kVA
Engine Specifications
Engine Model3516B TA, V-16, 4-Stroke Water-Cooled Diesel
Bore6.69 in
Stroke7.48 in
Stroke - HD8.46 in
Displacement4210.64 in
Displacement - HD4764.73 in³
Compression Ratio14.0:1 Std 15.5:1 HD
AspirationTA
Fuel SystemElectronic unit injection
Governor TypeAdem™4
Generator Set Dimensions
Length - Minimum268.3 in
Length - Maximum276.1 in
Width - Minimum90.1 in
Width - Maximum90.1 in
Height - Minimum94.1 in
Height - Maximum94.1 in
Dry Weight - Genset (minimum)33300 lb
Dry Weight - Genset (maximum)36280 lb

Air Inlet System

  • Air cleaner, single element canister type

Control System

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

Exhaust

  • Exhaust flange outlet

Fuel

  • Primary fuel filter with integral water separator

Generator

  • IP23 Protection

Power Termination

  • Busbar

Control Panel

  • Cat ECS Genset controller

Cooling System

  • Package mounted radiator

Exhaust System

  • Dry exhaust manifold
  • Flanged faced outlet(s)

Fuel System

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

General

  • SAE standard rotation
  • Paint - Caterpillar yellow except rails and radiators gloss black
  • RH service
  • Flywheel and Flywheel housing-SAE No. 00

Generators and Attachments

  • Matched to the performance and output characteristics of Cat engines
  • Random wound
  • Busbar connections, right side extension box, bottom cable entry - 60 Hz models: NEMA standard hole pattern
  • Permanent magnet excitation (PMG)
  • LV
  • HV:
  • MV:
  • 6 Lead
  • Winding temperature detectors
  • NEMA Class H insulation system, Class H temperature rise at 40C ambient (125C prime / 150C standby) - 60 Hz models: NEMA standard hole pattern
  • Class H insulation, Class F temperature rise at 40C ambient (105C prime / 130C standby)
  • 3 Phase brushless, Salient pole
  • Anti-condensation space heater
  • NEMA Class H insulation system, Class H temperature rise at 40C ambient (125C prime / 150C standby)
  • Form wound

Governing System

  • ADEM A3

Lube System

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

Mounting System

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

Starting System

  • 45 Amp Charging alternator
  • 24 Volt electric starting motor
  • Battery disconnect switch
  • Battery and battery rack w/cables
  • Electric Power Ratings Guide
    application/pdf
  • 3516B DGB, 50 Hz, 2000 kVA Prime, 1750 kVA Cont., Low Fuel Consumption or Low Emissions Spec Sheet
    application/pdf
  • 3516B DGB, 50 Hz, 2275 kVA Prime, 2000 kVA Cont., Low Fuel Consumption Spec Sheet
    application/pdf

Need installed dimensions with enclosure and tank? See Model Configurations