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.

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• Benefits & Features
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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
Stroke	7.48 in
Stroke - HD	8.46 in
Displacement	3162.03 in
Displacement - HD	3573.55 in³
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	212.8 in
Length - Maximum	217.1 in
Width - Minimum	90 in
Width - Maximum	90 in
Height - Minimum	94.9 in
Height - Maximum	94.9 in
Dry Weight - Genset (minimum)	25620 lb
Dry Weight - Genset (maximum)	26530 lb

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

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Download Electric Power Ratings Guide

Download 3512B, 50 Hz, 1320-1625 kVA, Low Fuel Consumption / Low Emissions Data Sheet

Download 3512B, 50 Hz, 1600-1750 kVA, Low Fuel Consumption / Low Emissions Data Sheet

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