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 Rating1230 eKW
Maximum Rating1500 eKW
Emissions/Fuel StrategyLow Fuel, Low Emissions
Voltage380 to 480 Volts
Frequency60 Hz
Speed1800 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
Displacement51.8 in
Compression Ratio14.0:1 Std 15.5:1 HD
AspirationTA
Fuel SystemElectronic Unit Injection
Governor TypeADEM™A3
Generator Set Dimensions
Length - Maximum207.8 in
Width - Maximum90 in
Height - Maximum94.9 in
Dry Weight - Genset (minimum)24297 lb
Dry Weight - Genset (maximum)24959 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

Certifications

  • 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

Air Inlet System
  • Air cleaner; single element canister type with service indicator
Control System
  • True RMS AC metering, 3-phase, +/-2% accuracy
Control Panel
  • DC volts
  • 24-volt DC operation
  • kVA (per phase, average & percent)
  • Engine cool-down timer
  • Coolant temperature
  • kW-hr (total)
  • Amps (per phase & average)
  • Over / under frequency (81 o/u)
  • Text alarm / event descriptions
  • Accessory module data link
  • Alarm acknowledge
  • Warning / shutdown with common LED indication of shutdowns for:
  • Auto / start / stop control
  • Controls:
  • Failure to start (overcrank)
  • Generator mounted - rear facing
  • kVAr (per phase, average & percent)
  • kVAr-hr (total)
  • Reverse reactive power (kVAr) (32RV)
  • Volts (L-L & L-N)
  • Serial annunciator module data link
  • 4 programmable relay outputs (Form A)
  • Lamp test
  • Operating hours
  • Overcurrent (50/51)
  • kW (per phase, average & percent)
  • Communications:
  • 6 programmable digital inputs
  • RPM
  • Engine cycle crank
  • 2 programmable relay outputs (Form C)
  • IVR includes reactive droop capability, 3-phase voltage sensing
  • High coolant temperature
  • Digital indication for:
  • Environmental sealed front face
  • Power Factor (per phase & average)
  • Speed adjust
  • Emergency stop pushbutton
  • Limiter and exciter diode monitor
  • Low oil pressure
  • EMCP 4.2B
  • Low coolant level
  • 2 programmable digital outputs
  • KVAR/PF modes, RFI suppression, min/max exciter
  • Oil pressure (psi, kPa or bar)
  • Customer data link (Modbus RTU)
  • True RMS AC metering, 3-phase, +/-2% accuracy
  • Overspeed
  • Frequency (Hz)
  • Emergency stop
  • Generator set packages include Caterpillar's Voltage Regulator (IVR).
  • Reverse power (kW) (32)
  • Low coolant temperature
  • Generator phase sequence
  • Programmable protective relaying functions:
  • Over / under voltage (27/59)
Cooling System
  • Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
  • Fan and belt guards.
  • JWAC
  • Coolant drain line with valve
  • Coolant level sensors. (Not included with packages without radiator)
Exhaust
  • Dry Exhaust Manifold
  • Flanged faced outlet(s)
Fuel System
  • Fuel cooler; not included with packages without radiator
  • Fuel priming pump
  • Secondary fuel filters
  • Flexible fuel lines - shipped loose
Generators and Attachments
  • NEMA Class H insulation
  • Winding temperature detectors
  • Internal excitation or permanent magnet
  • LV:
  • 6 Lead
  • 60 Hz models: NEMA standard hole pattern
  • Class H temperature rise at 40C ambient (125C prime / 150C standby)
  • 3 Phase brushless, salient pole
  • Busbar connections, top center mounted, top cable entry
  • Random wound
Governing System
  • Woodward 2301A isochronous governor
Lube System
  • Oil drain lines and valve
  • Lubricating oil
  • Integral lube oil cooler
  • Fumes disposal
  • Gear type lube oil pump
  • Oil filter, filler and dipstick
Mounting System
  • Rails - engine/generator/radiator mounting
  • Rubber anti-vibration mounts (shipped loose)
Starting / Charging System
  • Battery disconnect switch
  • Battery and battery rack w/cables
  • 24-volt electric starting motor
  • 50 Amp charging alternator
General
  • SAE Standard Rotation
  • Paint - Caterpillar yellow with high gloss black rails & radiator
  • Flywheel and Flywheel housing-SAE No. 00
  • RH Service

Optional Equipment

Air Inlet System
  • Air Cleaner: Includes installed single element Cat filter and service indicator
  • Duel element air filters
  • Single stage air cleaners
Control Panels
  • Cat connect (must choose one)
  • RTD module - may select one
  • Modbus monitoring of packages
  • First local annunicator
  • EMCP 4.3, EMCP 4.4
  • CAN 2 network equipment
  • Remote custom annunciator
  • Locale discrete I / O package
  • Vandle proof panel door
Cooling System
  • Optional radiator arrangements
  • Water level gauge
  • Coolant
Control System
  • Generator yemperature monitoring
Exhaust System
  • Exhaust Y adapters
  • Exhaust Elbows
  • Mufflers
  • Flexible fittings
  • Exhaust flange and expanders
Generators and Attachments
  • Space heater control
  • Generator conversion
  • Space heater
Instrumentation
  • Pyrometer and thermocouples
Lube System
  • Oil level regulator
  • Prelube manual sump pump
  • Electric prelube sump pump
  • Lube oil
Special Tests / Reports
  • PGS test report @ 0.8 power factor
  • Generator test report
  • Standard generator TVA report
  • PGS test report @ 0.8 power factor
  • Custom generator TVA report
  • Torsional vibration analysis
  • PGS test report @ 1.0 power factor
  • Standard engine test charge
  • Generator test report
  • Standard engine test charge
  • PGS test report @ 1.0 power factor
  • Generator fuel consumption test
General
  • Barring devices
Crankcase System
  • Ventilation system
  • Protection systems
Batteries and Battery Housing
  • 24 Volt battery set - Dry
  • Battery chargers - 10, 20 and 35 amp
Power Connection System
  • EMCP voltage and current sensing groups
  • Breaker power connections
  • Center post busbar
Circuit Breaker - LV Packages
  • Right hand power connections
  • Electronically operated circuit breakers
Mounting System
  • Low efficiency isolators
  • Spring type vibration isolator
  • Spring type vibration isolator
  • Low efficiency isolators puck
Power Connections
  • Low voltage - Package mounted circuit breakers
  • Low voltage - 1400 and 1600 Frame generators
  • Electrically operated circuit breakers
  • Low voltage - Power connection options
Starting / Charging System
  • Jacket water heater wiring groups
  • 35 Amp battery charger
  • 20 Amp battery charger
  • Jacket water heaters
  • 10 Amp battery charger
  • Electric starting motors
  • Starter covers
  • Batteries, racks and cables
Starting / Charging Systems
  • Electric starting motors
  • Starter covers
  • Jacket water heater
Extended Service Coverage
  • Gold - 36,48, 60, 120 month coverage
  • Cat branded commercial power system
  • Silver - 36 ,48, 60, 120 month coverage
  • Platinum - 24, 36, 48, 60, 120 month coverage

listofrelationships

original

original

original

original

Other Models in this Category

Select Generator Type


Hawthorne Power Systems Logo

Request a Quote

Why Cat is Better. Machine Comparison

"
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

Phillip J. Smith (PJ)
Field Service Manager
858.376.6874 office
858.688.0134 mobile
psmith@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