Diesel Generator Sets:

3512B Diesel Generator Set

Stroke
7.48 in
Displacement
3162.03 in
Length - Minimum
212.8 in
Width - Minimum
90 in

The 3512B generator set has been developed for a wide range of applications, from emergency standby installations such as healthcare and datacenters to continuously powering remote installations. The packages can be optimized for performance that matters to you with either low emissions or low fuel consumption versions available. Backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty, Cat generator sets will provide the reliability and durability you expect.



Product Specs

  • Engine Specifications

  • Stroke
    7.48in
    Displacement
    3162.03in
    Engine Model
    3512B TA, V-12, 4-Stroke Water-Cooled Diesel
    Compression Ratio
    14.0:1 Std 15.5:1 HD
    Aspiration
    TA
    Governor Type
    ADEM™A3
    Fuel System
    Electronic Unit Injection
    Bore
    6.69in
    Displacement - HD
    3573.55in³
    Displacement - Std
    3161.03in³
    Stroke - HD
    8.46in
    Stroke - Standard
    7.48in
    Air Inlet
    Single element canister style with service indicator
    Exhaust Flange Size
    203.2 mm (8.0 in)
  • Generator Set Dimensions

  • Length - Minimum
    212.8in
    Width - Minimum
    90in
    Height - Minimum
    94.9in
    Dry Weight - Genset (minimum)
    25620lb
    Dry Weight - Genset (maximum)
    26530lb
    Height - Maximum
    94.9in
    Length - Maximum
    217.1in
    Width - Maximum
    90in
  • Generator Set Specifications

  • Minimum Rating
    1320 kVA
    Maximum Rating
    1750 kVA
    Voltage
    400 to 415 Volts
    Frequency
    50 Hz
    Speed
    1500 rpm
    Emissions/Fuel Strategy
    Low Fuel , Low Emissions
    Duty Cycle
    Standby, Mission Critical, Prime, Continuous
    Duty Cycle
    Continuous, Prime, Standby, Mission Critical

Equipment

  • Control System
    • Warnings / Shutdown indicators
    • Emergency stop pushbutton
    • 24 Volt DC operation
    • Digital indication for:
    • Lamp test
    • Emergency stop
    • Auto / start / stop control
    • Overspeed
    • Low oil pressure
    • Engine cycle crank
    • Low coolant level
    • Frequency (Hz)
    • 4 Programmable digital inputs
    • Operating hours
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • Communications
    • Oil pressure
    • Speed adjust
    • DC volts
    • High coolant temperature
    • Coolant temperature
    • Amps (per phase & average)
    • Engine cool-down timer.
    • RPM
    • EMCP 4.2B
    • Failure to start (overcrank)
    • Volts (L-L & L-N)
    • 4 Programmable digital outputs
    • Alarm acknowledge
  • Governing System
    • ADEM III
  • Cooling System
    • Coolant level sensors
    • SCAC
    • Radiator fan and fan drive
    • Caterpillar extended life coolant
    • Coolant drain line with valve
    • Fan and belt guards
  • Exhaust System
    • Flanged faced outlet(s)
    • Dry Exhaust Manifold
  • Fuel System
    • Flexible fuel lines
    • Fuel priming pump
    • Secondary fuel filters.
    • Fuel cooler; not included with packages without radiator
  • Generator System
    • Min / max exciter
    • Caterpillar's Digital Voltage Regulator (CDVR)
    • Class H temperature rise at 40C ambient
    • Bus bar connections
    • Winding temperature detectors
    • RFI suppression
    • 3 Phase voltage sensing
    • Internal Excitation
    • Random wound
    • 3 phase brushless, salient pole
    • 6 Leads
    • NEMA Class H insulation
  • Literature
    • English
  • Lube System
    • Gear type lube oil pump
    • Oil filter, filler and dipstick
    • Fumes disposal
    • Oil drain lines and valve
    • Lubricating oil
    • Integral lube oil cooler
  • Mounting System
    • Rails - engine / generator / radiator mounting
  • General
    • RH Service
    • Flywheel and Flywheel housing-SAE
    • Caterpillar yellow with high gloss black rails & radiator
    • SAE standard rotation
  • Air Inlet System
    • Heavy duty air cleaner
    • Dual element air cleaner
    • Single element filter
  • Exhaust
    • Exhaust mufflers
  • Generator
    • Internal excitation (IE)
    • Oversize and premium generators
    • Permanent magnet excitation (PMG)
    • Anti-condensation heater
  • Control System
    • Generator yemperature monitoring
    • Neutral to ground connection
    • Local annunciator modules (Low voltage)
    • EMCP 4.3, EMCP 4.4
    • Cat Connect: Ethernet telematics / Satellite telematics / Cell telematics
    • Annunciator modules (Local and remote)
    • Load share module options (LV)
    • CAN2 network equipment
    • Governors (MUI-low voltage)
    • Customer interface options
    • Annunciator network equipment
    • Remote annunciator modules (Low voltage)
    • EMCP voltage and current sensing groups
  • Power Termination
    • Circuit breakers, UL listed
    • Circuit breakers, IEC compliant
  • Cooling System
    • Installed radiators
    • Cooling system attachments
    • Water level switch gauges
    • Coolant
  • Mounting
    • Rubber anti-vibration mounts
    • IBC isolators
    • Spring-type vibration isolator
  • Starting/charging
    • Charging alternator
    • Heavy-duty starting system
    • Oversize batteries
    • Air starting motor with control and silencer
    • Jacket water heater
    • Battery chargers
  • Exhaust System
    • Y Adapters
    • Mufflers
    • Flexible fittings
    • Flange and exhaust expanders
    • Elbows
  • Factory Support
    • Factory commissioning
  • Fuel System
    • Primary fuel filter
    • Secondary fuel filters
  • Generators And Attachments
    • Low voltage generators 380, 400, 415 Volts 3 Phase, 1500 rpm
    • Space heater kit
    • 1400 and 1600 Frame
    • Pitch 0.6667
    • 6 Leads
    • Internally excitation
    • Generator conversion kits - PM to IE / IE to PM
    • Permanent magnet
    • RW
  • General
    • UL 2200 package
    • 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
    • EU Certificate of Conformance (CE)
  • Instrumentation
    • Pyrometer and thermocouples
  • Lube System
    • Drain GP oil pan
    • Lube oil filters
    • Oil level regulator
    • Standard sump oil pan
    • Lube oil in standard sump
    • Prelube pump groups
  • Crankcase System
    • Crankcase protection group
    • Crankcase ventilation system
  • Mounting System
    • Low efficiency isolators
    • Spring type vibration isolator
    • Low efficiency isolators puck
    • Low isolators
  • Power Connections
    • Low voltage - Package mounted circuit breakers
    • Electrically operated circuit breakers
    • Low voltage - 1400 and 1600 Frame generators
    • Low voltage - Power connection options
  • Special Tests / Reports
    • Standard generator TVA report
    • Standard engine test charge
    • Generator test report
    • PGS test report @ 1.0 power factor
    • Custom generator TVA report
    • Generator fuel consumption test
    • PGS test report @ 0.8 power factor
  • Starting / Charging System
    • Batteries, racks and cables
    • 10 Amp battery charger
    • Starter covers
    • Electric starting motors
    • Jacket water heaters
    • 20 Amp battery charger
    • Jacket water heater wiring groups
    • 35 Amp battery charger
  • Extended Service Coverage
    • Silver - 36 ,48, 60, 120 month coverage
    • Gold - 36,48, 60, 120 month coverage
    • Cat branded commercial power system
    • Platinum - 24, 36, 48, 60, 120 month coverage

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