Exterior View
Standby Rating

1500/1400 ekW

Prime Power Rating

1360/1275 ekW

Emissions/Fuel Strategy

Low Fuel, Low Emissions

3512B Diesel Generator Set

ABOUT THE 3512B DIESEL

Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

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COMPARE THE 3512B DIESEL TO OTHER Diesel-generator-sets

Standby Rating
1500/1400 ekW
Prime Power Rating
1360/1275 ekW
Emissions/Fuel Strategy
Low Fuel, Low Emissions
Voltage
380 to 13800 Volts
Frequency
60 Hz
Speed
1800 rpm
Duty Cycle
Standby, Mission Critical, Prime, Continuous
Maximum Rating
1500 ekW
Minimum Rating
1230 ekW
Engine Model
3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Bore
6.69in
Stroke
7.48in
Displacement
3573.55in³
Compression Ratio
14.0:1 Std 15.5:1 HD
Aspiration
TA
Fuel System
Electronic Unit Injection
Governor Type
ADEM™ A3
Length – Minimum
216in
Length – Maximum
216in
Width – Minimum
90in
Width – Maximum
90in
Height – Minimum
95.3in
Height – Maximum
95.3in
Dry Weight – Genset (minimum)
24906lb
Dry Weight – Genset (maximum)
25567lb
  • Air Inlet System
    • Air cleaner; single element canister type with service indicator
  • Exhaust System
    • Exhaust flange outlet
    • Dry exhaust manifold
    • Flanged faced outlet(s)
  • Generator
    • IP23 Protection
    • Matched to the performance and output characteristics of Cat engines
  • Power Termination
    • Busbar
  • Control Panel
    • Cat ECS Genset controller
  • Control System
    • Alarm acknowledge
    • kW-hr (total)
    • Lamp test
    • Over/under voltage (27 / 59)
    • Digital indication for:
    • DC volts
    • PLC functionality
    • Speed adjust
    • 4 Programmable relay outputs (Form A)?
    • Text alarm/event descriptions
    • Warning/shutdown with common LED indication of shutdowns for:
    • Engine cycle crank
    • Emergency stop
    • Auto/start/stop control
    • RPM
    • Reverse power (kW) (32)
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • Accessory module data link
    • Low coolant level
    • kVAr-hr (total)
    • kVAr (per phase, average & percent)
    • 1 Programmable relay outputs (Form C)
    • Over/under frequency (81 o/u)
    • Low oil pressure
    • Amps (per phase & average)
    • Failure to start (overcrank)
    • Cat ECS 100
    • Controls:
    • High coolant temperature
    • Communications
    • Number of I/O varies on options selected
    • 24 Volt DC operation
    • Engine cool-down timer
    • Low coolant temperature
    • Generator phase sequence
    • Frequency (Hz)
    • Volts (L-L & L-N)
    • Reverse reactive power (kVAr) (32RV)
    • Oil pressure (psi, kPa or bar)
    • Customizable screens
    • Generator set packages include Caterpillar’s voltage regulator (IVR). IVR includes reactive droop capability, 3-phase voltage sensing, KVAR / PF modes, RFI suppression, min max exciter. Limiter and exciter diode monitor
    • Load histogram feature
    • 1 Programmable digital outputs
    • Customer data link (Modbus RTU)
    • Overspeed
    • Environmental sealed front face
    • Coolant temperature
    • kW (per phase, average & percent)
    • Programmable protective relaying functions:
    • kVA (per phase, average & percent)
    • Power factor (per phase & average)
    • Emergency stop pushbutton
    • Generator mounted – rear facing
    • Cat connect
    • Overcurrent (50 / 51)
  • Cooling System
    • Package mounted radiator
    • Radiator fan and fan drive
    • Fan and belt guards
    • Coolant drain line with valve
    • Caterpillar extended life coolant (Not included with packages without radiator, installed SF44CTS
    • Coolant level sensors (Not included with packages without radiator)
    • SCAC
  • Fuel System
    • Primary fuel filter with integral water separator
    • Secondary fuel filters
    • Flexible fuel lines – shipped loose
    • Fuel priming pump
    • Fuel cooler; not included with packages without radiator
  • Generators And Attachments
    • Low voltage:
    • Random wound
    • 6 Leads
    • NEMA standard hole pattern
    • High voltage
    • Busbar connections, right side extension box, bottom cable entry
    • NEMA Class H insulation system, Class H temperature rise at 40C ambient (125C prime / 150C standby)
    • Permanent magnet excitation (PMG)
    • NEMA standard hole pattern
    • Medium voltage:
    • Busbar connections, top center mounted, top cable entry
    • NEMA Class H insulation system, Class H temperature rise at 40C ambient (125C prime / 150C standby)
    • Winding temperature detectors
    • Form wound
    • 3 Phase brushless, Salient pole
    • Class H insulation, Class F temperature rise at 40C ambient (105C prime / 130C standby)
    • Internal excitation (IE)
  • Governing System
    • ADEM III
  • Literature
    • Parts book
  • Lube System
    • Lubricating oil
    • Gear type lube oil pump
    • Oil drain lines and valve
    • Fumes disposal
    • Integral lube Oil cooler
    • Oil filter, filler and dipstick
  • Mounting System
    • Rubber anti-vibration mounts – shipped loose
  • Starting / Charging System
    • Battery disconnect switch
    • Battery and battery rack w/cables
    • 45 Amp Charging alternator
    • 24 Volt electric starting motor
  • General
    • Paint – Caterpillar yellow with high gloss black rails & radiator
    • Flywheel and Flywheel housing-SAE No. 00
    • Right hand servicing
    • SAE standard rotation
  • Control Panels
    • Remote monitoring software
    • Digital I/O module
    • EMCP 4.4
    • Load share module
    • Generator temperature monitoring & protection
  • Exhaust System
    • Exhaust mufflers
    • Flanges
    • Elbows
    • Flange and exhaust expanders
    • Mufflers
    • Y Adapters
    • Flexible fittings
  • Generator
    • Oversize and premium generators
    • Permanent magnet excitation (PMG)
    • Internal excitation (IE)
    • Anti-condensation heater
  • Air Inlet System
    • Heavy duty air cleaner
    • Single element filter
  • Power Termination
    • Circuit breakers, UL listed
    • Circuit breakers, IEC compliant
  • Cooling System
    • Standard installed radiators
    • Optional installed radicators
    • Coolant
    • Water level switch gauges
  • Fuel System
    • Primary fuel filter
  • General
    • UL 2200 package
    • EEC Declaration of Conformity
    • Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
    • CSA Certification
    • Enclosures: Sound attenuated, weather protective
    • Automatic transfer switches (ATS)
    • Integral & sub-base fuel tanks
    • The following options are based on regional and product configuration:
    • US aid emblem
    • Integral & sub-base UL listed dual wall fuel tanks
    • EU Certificate of Conformance (CE)
  • Generators And Attachments
    • 1400, 1600, 2700 Frames
    • Generator conversion from IE to PM
    • Space heater
    • RW, IE, 6 Leads, Pitch 0.6667
    • Low voltage: 380,440 / 480 Volts, 3 Phase, 1800 rpm
    • Differential current transformers (DCT) 15 kV class
    • Generator air cleaner
    • Differential current transformers (DCT) 8.7 kV class
  • Mounting
    • IBC isolators
    • Rubber anti-vibration mounts
    • Spring type vibration isolators
  • Starting/charging
    • Air starting motor with control and silencer
    • Heavy duty starting system
    • Charging alternator
    • Oversize batteries
    • Battery chargers
    • Jacket water heater
  • Instrumentation
    • Wiring GP W/O cyl sensors
    • Pyrometer and thermocouples
  • Lube System
    • Lubrication oil in standard sump
    • Oil drains
    • Prelube pumps
    • Oil level regulator
  • Crankcase Protection
    • Explosion relief valves
    • No crankcase explosion relief valves
    • Crankcase ventilation system
    • No explosion relief valves
  • Mounting System
    • IBC vibration isolators
    • Puck style low efficiency isolators
    • Spring type vibration isolators
  • Power Connections
    • 2000, 2500 Amp, 4 Pole, IECrated Circuit breakers
    • Cable entry – right side
    • Grounding groups
    • Left side power connections
    • 1600 ,2000, 2500, 3000, 4000 Amp, 3 Pole, UL-100% rated Circuit breakers
    • 2000, 2500, 3200 Amp, 3 Pole, IEC rated Circuit breakers
    • Rear power connections
    • Neutral ground connections
    • 6 Leads, 6 terminal option
    • Right side power connections
    • Center post buss bar
  • Special Tests / Reports
    • Generator test report
    • PGS Test report @ 0.8 power factor
    • Standard engine test charge
    • CSA Certification
    • Torsional vibration analysis
    • Generator fuel consumption test
    • PGS Test report @ 1.0 power factor
    • IBC seismic Certification
    • Fuel consumption test
  • Starting / Charging System
    • Air pressure regulator
    • Batteries, racks and cables:
    • Air starting motor
    • 35 Amp Battery charger
    • 24 Volt battery set – Dry
    • Starter cover
    • 10 Amp Battery charger
    • Engine barring device
    • Jacket water heaters
    • Electric starting motors




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Small Excavators Big Savings: Terms and Conditions

* Offer valid from October 1, 2024 through December 31, 2024 on new 313 through 317 Cat® excavators sold by participating Cat dealers to customers in the USA or Canada. Purchase must occur during offer period. Offer subject to machine availability and credit approval by Cat Financial. Not all customers will qualify. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on select new Cat® machines listed in our Heavy Equipment Promotion page. Purchase must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The offered Cat Customer Value Agreement (CVA) includes 6 maintenance parts kits; S∙O∙SSM; and 36 month VisionLink® ConnectPro. The maintenance parts cover the first 3,000 hours^ (estimated 3 years) of machine utilization. Each kit contains one set of parts for regular planned maintenance under normal operating conditions. In some severe applications where maintenance parts need to be replaced more frequently, additional parts will be at customer’s expense. Offer excludes additional maintenance parts, dealer labor, wear parts, and fluids. Offer also includes a 36 month/5000 hour (whichever occurs first) Powertrain, Hydraulics and Technology Equipment Protection Plan (EPP). In some areas, EPP might be sold separately from the CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply. Contact your Cat dealer for details.

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*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on purchases of new mini excavators, micro excavators, skid steer loaders, and compact track loaders sold by participating Cat dealers to customers in the USA or Canada. Purchases (both machine and CVA) and machine delivery must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The credit $500 USD for CVA purchase can only be applied toward the purchase of a qualifying Cat Customer Value Agreement (CVA). CVA must be at least 2yr/1000hr and must include 1-year Preventative Maintenance Parts Kit, TA1 annual Inspection, signed CVA contract, and Product LinkTM. Amount of CVA credit is the same for all models and cannot exceed the price of the qualifying CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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