3512B Diesel Generator Set

3512B Diesel Generator Set

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.

Bore
6.69 in
Displacement (HD)
3573.55 in3
Stroke (HD)
8.46 in
Aspiration
TA

Engine Specifications

Bore
6.69in
Displacement (HD)
3573.55in3
Stroke (HD)
8.46in
Aspiration
TA
Fuel System
Electronic Unit Injection
Aspiration
TA
Fuel System
Electronic Unit Injection
Bore
6.69in
Displacement - HD
3573.55in³
Stroke - HD
8.46in
Air Inlet
Single element canister style with service indicator
Engine Model
3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Displacement - Std
3161.03in³
Stroke - Standard
7.48in
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

Generator Set Specifications

Height - Maximum
93.2in
Length - Maximum
221.9in
Width - Maximum
90in
Minimum Rating
1320 kVA
Maximum Rating
1750 kVA
Voltage
400 to 415 Volts
Frequency
50 Hz
Speed
1500 RPM
Duty Cycle
Continuous, Prime, Standby, Mission Critical

Generator Set Configurations

Emissions/Fuel Strategy
Low Fuel Consumption, Low Emissions

Standard Equipment:

  • Control System
    • EMCP 4.2
    • Emergency stop pushbutton
    • 24 Volt DC operation
    • Speed adjust
    • Auto / start / stop control
    • Engine cool-down timer.
    • Engine cycle crank
    • Alarm acknowledge
    • Lamp test
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • Digital indication for:
    • RPM
    • DC volts
    • Operating hours
    • Oil pressure
    • 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
    • SCAC
    • Radiator fan and fan drive
    • Fan and belt guards
    • Coolant drain line with valve
    • Coolant level sensors
    • Caterpillar extended life coolant
  • 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
    • Fuel priming pump
  • 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
  • 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
  • General
    • Caterpillar yellow with high gloss black rails & radiator
    • RH service
    • Flywheel and flywheel housing-SAE
    • SAE standard rotation

Optional Equipment:

  • Air Inlet System
    • Single element filter
    • Dual element air cleaner
    • Heavy duty air cleaner
  • Control System
    • EMCP 4.3, EMCP 4.4
    • Governors (MUI-low voltage)
    • Load share module options (LV)
    • EMCP voltage and current sensing groups
    • Annunciator modules (Local and remote)
    • Local annunciator modules (Low voltage)
    • Remote annunciator modules (Low voltage)
    • Annunciator network equipment
    • Cat Connect: Ethernet telematics / Satellite telematics / Cell telematics
    • Customer interface options
    • Generator yemperature monitoring
    • CAN2 network equipment
    • Neutral to ground connection
  • Cooling System
    • Installed radiators
    • Cooling system attachments
    • Water level switch gauges
    • Coolant
  • Exhaust System
    • Elbows
    • Flange and exhaust expanders
    • Flexible fittings
    • Y Adapters
    • Mufflers
  • 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
    • 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
  • Crankcase System
    • Crankcase protection group
    • Crankcase ventilation system
  • Mounting System
    • Low isolators
    • Low efficiency isolators puck
    • Low efficiency isolators
    • Spring type vibration isolator
  • 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
    • Silver - 36 ,48, 60, 120 month coverage
    • Gold - 36,48, 60, 120 month coverage
  • Platinum - 24, 36, 48, 60, 120 month coverage