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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.

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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

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

Engine Specifications

Bore: 6.69in
Displacement (HD): 3573.55in³
Stroke (HD): 8.46in
Aspiration: TA
Fuel System: Electronic Unit Injection
Engine Model: 3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Displacement - Std: 3161.03in³
Stroke - Standard: 7.48in
Compression Ratio: 14.0:1
Governor Type: ADEM™ A3
Exhaust Flange Size: 203.2 mm (8.0 in)
Air Inlet: Single element canister style with service indicator
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
Stroke: 7.48in
Displacement: 3161.03in³

Generator Set Specifications

Minimum Rating: 1360 kVA
Maximum Rating: 1625 kVA
Voltage: 400 to 415 Volts
Frequency: 50 Hz
Speed: 1500 rpm
Duty Cycle: Standby, Mission Critical, Prime, Continuous
Emissions/Fuel Strategy: Low Fuel , Low Emissions
Standby Rating: 1625/1600/1500 kVA
Prime Power Rating: 1500/1360 kVA

Generator Set Dimensions

Height - Maximum: 94.9in
Length - Maximum: 217.1in
Width - Maximum: 90in
Length - Minimum: 212.8in
Width - Minimum: 90in
Height - Minimum: 94.9in
Dry Weight - Genset (minimum): 25620lb
Dry Weight - Genset (maximum): 26530lb

Standard/Optional Features

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
- Busbar connections
- Winding temperature detectors
- RFI suppression
- 3 Phase voltage sensing
- Internal excitation (IE)
- Random wound
- 3 phase brushless, Salient pole
- 6 Leads
- NEMA Class H insulation
Literature
- Parts book
- Operation & Maintenance Manual
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 temperature 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 module (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 isolators
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 excitation (PMG)
- 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 isolators
- 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 cover
- 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

Take The Virtual Product Tour To Explore The Features And Benefits of the 3512B Diesel Generator Set

See how 3512B (50 Hz) with Upgradeable Package 1360 - 1600 kVA compares against frequently compared products

3512B (50 Hz) with Upgradeable Package 1360 - 1600 kVA Diesel Generator Sets

Engine Model: 3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Voltage: 400 to 415 Volts
Maximum Rating: 1625 kVA

Selected Model

C1.1 (60 Hz) Diesel Generator Sets

Engine Model: C1.1, In-line 4, 4-cycle diesel
Voltage: 110 to 480 Volts
Maximum Rating: 8.8 ekW

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C1.1 (50 Hz) Diesel Generator Sets

Engine Model: C1.1, In-line 4 4-cycle diesel
Voltage: 110 to 415 Volts
Maximum Rating: 9.5 kVA

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