Diesel Generator Sets

3512B Diesel Generator Set

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Overview

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.

Generator Set Specifications

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

Engine Specifications

Engine Model
3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Bore
6.69 in
170.00 mm
Stroke
7.48 in
190.00 mm
Stroke - HD
8.46 in
215.00 mm
Displacement
3161.03 in
51.80 l
Displacement - HD
3573.55 in³
58.56 l
Compression Ratio
14.0:1 Std 15.5:1 HD
Aspiration
TA
Fuel System
Electronic Unit Injection
Governor Type
ADEM™A3

Generator Set Dimensions

Length - Minimum
212.80 in
5404.00 mm
Length - Maximum
217.10 in
5515.00 mm
Width - Minimum
90.00 in
2286.00 mm
Width - Maximum
90.00 in
2286.00 mm
Height - Minimum
94.90 in
2411.00 mm
Height - Maximum
94.90 in
2411.00 mm
Dry Weight - Genset (minimum)
25620.00 lb
11621.00 kg
Dry Weight - Genset (maximum)
26530.00 lb
12034.00 kg
Features

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
Standard 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
Optional Equipment
  • 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