3512B Diesel Generator Set

Overview
Bore
7 in
Displacement (HD)
3,574 in3
Stroke (HD)
8 in
  • Exterior View

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.

Engine Specifications

Bore
7 in
Displacement (HD)
3,574 in3
Stroke (HD)
8 in
Aspiration
TA
Fuel System
Electronic Unit Injection
Engine Model
3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Displacement - Std
3,161 in³
Stroke - Standard
7 in
Compression Ratio
14.0:1 Std 15.5:1 HD
Governor Type
ADEM™A3
Exhaust Flange Size
203.2 mm (8.0 in)
Air Inlet
Single element canister style with service indicator
Aspiration
TA
Fuel System
Electronic Unit Injection
Bore
7 in
Displacement - HD
3,574 in³
Stroke - HD
Air Inlet
Single element canister style with service indicator
Stroke
7 in
Displacement
52 in

Generator Set Specifications

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

Generator Set Dimensions

Height - Maximum
95 in
Length - Maximum
217 in
Width - Maximum
90 in
Length - Minimum
213 in
Width - Minimum
90 in
Height - Minimum
95 in
Dry Weight - Genset (minimum)
25,620 lb
Dry Weight - Genset (maximum)
26,530 lb

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