New | 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.

Generator Set Specifications
Minimum Rating1320 kVA
Maximum Rating1750 kVA
Emissions/Fuel StrategyLow Fuel , Low Emissions
Voltage400 to 415 Volts
Frequency50 Hz
Speed1500 rpm
Duty CycleStandby, Mission Critical, Prime, Continuous
Engine Specifications
Engine Model3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Bore6.69 in
Stroke7.48 in
Stroke - HD8.46 in
Displacement3162.03 in
Displacement - HD3573.55 in³
Compression Ratio14.0:1 Std 15.5:1 HD
AspirationTA
Fuel SystemElectronic Unit Injection
Governor TypeADEM™A3
Generator Set Dimensions
Length - Minimum212.8 in
Length - Maximum217.1 in
Width - Minimum90 in
Width - Maximum90 in
Height - Minimum94.9 in
Height - Maximum94.9 in
Dry Weight - Genset (minimum)25620 lb
Dry Weight - Genset (maximum)26530 lb

  • 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

  • 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

  • superior Motor Starting Capability Minimizes Need For Oversizing Alternator
  • designed To Match Performance And Output Characteristics Of Cat Diesel Engines
  • robust Class H Insulation

  • 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

  • designed To Operate In Standard Ambient Temperatures Up To 50°c (122°f)
  • contact Your Cat Dealer For Specific Ambient And Altitude Capabilities

  • eu Declaration Of Conformity
  • eu Declaration Of Incorporation
  • eurasian Conformity (eac)
  • telecommunication Lab Of China

  • 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

  • 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

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"
With only a few days notice, we were able to get the emergency system working properly. Hawthorne Cat provided great leadership and excellent field support.
Mark Cripe
Helix Electric
"

San Diego - Power
Kyle Farmer
Engine Business Manager
858.376.6821 office
760.715.9565 mobile
kfarmer@hawthornecat.com

Tim Roberts
Product Support
General Manager
858.376.6820 office
858.583.8460 mobile
troberts@hawthornecat.com

Mark Reza
Used Engine Sales Manager
858.376.6840 office
858.688.0076 mobile
mreza@hawthornecat.com

Jeff Reid
Service Manager
858.376.6890 office
858.472.1852 mobile
jreid@hawthornecat.com

Hawaii – Power
Cliff Yuen
Director of Sales & Rentals
808.676.0322 office
808.349.7767 mobile
cyuen@hawthornecat.com

Guam – Power
Myver Hecita
Power Systems Rental &
Sales Representative
671.649.4241 office
671.898.2740 mobile
mhecita@hawthornecat.com