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 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	3161.03 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