3512B (50 Hz) with Upgradeable Package 1600-1875 kVA

3512B Diesel Generator Set

Producing reliable power from 1600 to 1875 kVA at 50 Hz, our 3512B 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% rated load in one step. Cat® generator sets offer both low fuel consumption and low emission systems.FAQQ. Does this generator comply with ISO 8528 guidelines?A. Yes, the 3512B, like all Cat generators, is tested in accordance with the load steps outlined in with ISO 8528, Part 5.Q. Are Cat generators easy to install?A. Cat generators can be configured with a number of options for ease of installation.Q .Does Cat' have much experience with electric power generation?A. Cat has over 80 years experience with on-site and portable power and has shipped millions of generators to customers around the world.Q. Does Cat offer generators that support my Sustainability goals?A. Cat offers generators that can run on a number of renewable fuels including HVO, biodiesel, landfill gas, sewage gas and more.Q. Will this generator be able to provide emergency power on hot summer days?A. Most Cat 3500 Series generators can operate in ambient temperatures up to 50°C (122°F), reliably providing power when it is needed.

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Specifications

NameTypeValueUnit Value (Imperial)Unit NameUnit Value (Metric)Unit Name (Metric)
Standby Ratingtext1875/1750 kVA
Prime Power Ratingtext1700/1600 kVA
Emissions/Fuel StrategytextLow Fuel , Low Emissions

View All Specifications (27)

Documents & Spec Sheets

Electric Power Ratings Guide

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3512B, 50 Hz, 1750 kVA Standby/MC, 1600 kVA Prime, Low Fuel Consumption or Low Emissions Spec Sheet

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3512B Upgradeable, 50 Hz, 1875 kVA Standby Mission Critical, 1700 kVA Prime, 1500 Continuous Low Fuel Consumption or Low Emissions Spec Sheet

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3512B, 50 Hz, 1600 kVA, Prime-DCP, Low Fuel Consumption or Low Emissions Spec Sheet

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3512B, 50 Hz, 1700 kVA, Prime-DCP, Low Fuel Consumption or Low Emissions Spec Sheet

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Features & Benefits

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 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
  • EU Declaration of Conformity
  • EU Declaration of Incorporation
  • Eurasian Conformity (EAC)
  • Telecommunication Lab of China
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

Complete Specifications

Generator Set Specifications

NameTypeValueUnit Value (Imperial)Unit NameUnit Value (Metric)Unit Name (Metric)
Standby Ratingtext1875/1750 kVA
Prime Power Ratingtext1700/1600 kVA
Emissions/Fuel StrategytextLow Fuel , Low Emissions
Voltagetext400 to 415 Volts
Frequencytext50 Hz
Speedtext1500 rpm
Duty CycletextStandby, Mission Critical, Prime, Continuous
Minimum Ratingtext1600 kVA
Maximum Ratingtext1875 kVA
Engine Modeltext3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Boremeasurement6.69in170mm
Strokemeasurement7.48in190mm
Stroke - HDmeasurement8.46in215mm
Displacementmeasurement3161.03in³51.8l
Displacement - HDmeasurement3576in³58.56l
Compression Ratiotext15.5:1 HD
AspirationtextTA
Fuel SystemtextElectronic Unit Injection
Governor TypetextADEM™ A3
Length - Minimummeasurement212.8in5404mm
Length - Maximummeasurement217.1in5515mm
Width - Minimummeasurement90in2286mm
Width - Maximummeasurement90in2286mm
Height - Minimummeasurement94.9in2411mm
Height - Maximummeasurement94.9in2411mm
Dry Weight - Genset (minimum)measurement25620lb11621kg
Dry Weight - Genset (maximum)measurement26530lb12034kg

Standard Equipment

Control System

  • EMCP 4.2B
  • Emergency stop pushbutton
  • Failure to start (overcrank)
  • High coolant temperature
  • 4 Programmable digital outputs
  • Auto/start/stop control
  • 4 Programmable digital inputs
  • DC volts
  • Engine cycle crank
  • Low coolant level
  • Speed adjust
  • Low oil pressure
  • Communications
  • Frequency (Hz)
  • Warnings/shutdown indicators
  • Engine cool-down timer
  • Operating hours
  • Emergency stop
  • Oil pressure
  • Lamp test
  • True RMS AC metering, 3-phase, +/-2% accuracy
  • Digital indication for:
  • Overspeed
  • Alarm acknowledge
  • RPM
  • 24 Volt DC operation
  • Amps (per phase & average)
  • Coolant temperature
  • Volts (L-L & L-N)

Governing System

  • ADEM III

Cooling System

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

Exhaust System

  • Dry exhaust manifold
  • Flanged faced outlet(s)

Fuel System

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

Generator System

  • RFI suppression
  • Min / max exciter
  • 3 phase brushless, Salient pole
  • Caterpillar's digital voltage regulator (CDVR)
  • Class H temperature rise at 40C ambient
  • Random wound
  • Winding temperature detectors
  • Internal excitation (IE)
  • 3 Phase voltage sensing
  • Busbar connections
  • 6 Leads
  • NEMA Class H insulation

Literature

  • Parts book
  • Operation & Maintenance Manual

Lube System

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

Mounting System

  • Rails - Engine/generator/radiator mounting

General

  • Flywheel and Flywheel housing-SAE
  • Caterpillar yellow with high gloss black rails & radiator
  • RH service
  • SAE standard rotation

Optional Equipment

Air Inlet System

  • Dual element air cleaner
  • Single element filter
  • Heavy duty air cleaner

Exhaust

  • Exhaust mufflers

Generator

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

Control System

  • EMCP voltage and current sensing groups
  • CAN2 network equipment
  • Annunciator modules (Local and remote)
  • Customer interface options
  • Load share module options (LV)
  • EMCP 4.3, EMCP 4.4
  • Annunciator network equipment
  • Neutral to ground connection
  • Generator temperature monitoring
  • Remote annunciator module (Low voltage)
  • Local annunciator modules (Low voltage)
  • Cat connect: Ethernet telematics / Satellite telematics / Cell telematics
  • Governors (MUI-Low voltage)

Power Termination

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

Cooling System

  • Installed radiators
  • Coolant
  • Water level switch gauges
  • Cooling system attachments

Mounting

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

Starting/Charging

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

Exhaust System

  • Flexible fittings
  • Mufflers
  • Y Adapters
  • Elbows
  • Flange and exhaust expanders

Factory Support

  • Factory commissioning

Fuel System

  • Secondary fuel filters
  • Primary fuel filter

Generators and Attachments

  • Internally excitation
  • Permanent magnet excitation (PMG)
  • RW
  • 6 Leads
  • Space heater kit
  • 1400 and 1600 Frame
  • Pitch 0.6667
  • Low voltage generators 380, 400, 415 Volts 3 Phase, 1500 rpm
  • Generator conversion kits - PM to IE / IE to PM

General

  • EU Certificate of Conformance (CE)
  • The following options are based on regional and product configuration:
  • Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
  • UL 2200 package

Instrumentation

  • Pyrometer and thermocouples

Lube System

  • Lube oil in standard sump
  • Standard sump oil pan
  • Lube oil filters
  • Drain GP oil pan
  • Oil level regulator
  • Prelube pump groups

Crankcase System

  • Crankcase protection group
  • Crankcase ventilation system

Mounting System

  • Low efficiency isolators
  • Low efficiency isolators puck
  • Low isolators
  • Spring type vibration isolators

Power Connections

  • Low voltage - Power connection options
  • Electrically operated circuit breakers
  • Low voltage - Package mounted circuit breakers
  • Low voltage - 1400 and 1600 Frame generators

Special Tests / Reports

  • Custom generator TVA report
  • PGS Test report @ 1.0 power factor
  • Generator fuel consumption test
  • Standard generator TVA report
  • PGS Test report @ 0.8 power factor
  • Generator test report
  • Standard engine test charge

Starting / Charging System

  • 20 Amp Battery charger
  • 10 Amp Battery charger
  • Electric starting motors
  • Starter cover
  • Batteries, racks and cables
  • Jacket water heater wiring groups
  • Jacket water heaters
  • 35 Amp Battery charger

Extended Service Coverage

  • Gold - 36,48, 60, 120 month coverage
  • Cat branded commercial power system
  • Silver - 36 ,48, 60, 120 month coverage
  • Platinum - 24, 36, 48, 60, 120 month coverage

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