3512 with Upgradeable Package

  • Exterior View

3512 with Upgradeable Package

Minimum Rating 890 ekW
Maximum Rating 1250 ekW
Emissions/Fuel Strategy Low Fuel Consumption
Voltage 380 to 480 Volts
Frequency 60 Hz
Speed 1800 rpm
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Generator Set Specifications
Minimum Rating 890 ekW
Maximum Rating 1250 ekW
Emissions/Fuel Strategy Low Fuel Consumption
Voltage 380 to 480 Volts
Frequency 60 Hz
Speed 1800 rpm
Duty Cycle Standby, Mission Critical, Prime, Continuous
Standby Rating 1250/1100 ekW
Prime Power Rating 1135/1000 ekW
Engine Specifications
Engine Model 3512A, V-12, 4-Stroke Water-Cooled Diesel
Bore 7 in
Stroke 7 in
Displacement 3,161 in³
Compression Ratio 13.5:1
Aspiration TA
Fuel System MUI
Governor Type Woodward
Generator Set Dimensions
Length - Maximum 204 in
Width - Maximum 79 in
Height - Maximum 92 in
Dry Weight - Genset (minimum) 22,099 lb
Dry Weight - Genset (maximum) 22,540 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

One Safe Source

  • Components used in the generator set are selected based on seamless design integration to provide the optimum 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

Worldwide 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
  • Air Inlet System
    • Air cleaner; single element canister type with service indicator
  • Control Panel
    • Auto/start/stop control
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • kVAr-hr (total)
    • EMCP 4.2B
    • kVAr (per phase, average & percent)
    • Customer data link (Modbus RTU)
    • KVAR/PF modes, RFI suppression, min/max exciter
    • Overcurrent (50/51)
    • IVR includes reactive droop capability, 3-phase voltage sensing
    • Generator phase sequence
    • 6 programmable digital inputs
    • Engine cool-down timer
    • Limiter and exciter diode monitor
    • Over/under voltage (27/59)
    • Low coolant temperature
    • Generator set packages include Caterpillar's voltage regulator (IVR)
    • Accessory module data link
    • Low oil pressure
    • Over/under frequency (81 o/u)
    • Generator mounted - rear facing
    • Reverse reactive power (kVAr) (32RV)
    • Emergency stop
    • Lamp test
    • Overspeed
    • kVA (per phase, average & percent)
    • Operating hours
    • DC volts
    • Low coolant level
    • Programmable protective relaying functions:
    • Frequency (Hz)
    • Amps (per phase & average)
    • Environmental sealed front face
    • Failure to start (overcrank)
    • Power factor (per phase & average)
    • Controls:
    • kW (per phase, average & percent)
    • Oil pressure (psi, kPa or bar)
    • 24 Volt DC operation
    • 4 programmable relay outputs (Form A)
    • Emergency stop pushbutton
    • 2 Programmable relay outputs (Form C)
    • RPM
    • Digital indication for:
    • Engine cycle crank
    • Speed adjust
    • Coolant temperature
    • 2 Programmable digital outputs
    • Text alarm/event descriptions
    • Serial annunciator module data link
    • Communications:
    • kW-hr (total)
    • Volts (L-L & L-N)
    • Alarm acknowledge
    • Warning/shutdown with common LED indication of shutdowns for:
    • Reverse power (kW) (32)
    • High coolant temperature
  • Cooling System
    • Coolant level sensors (Not included with packages without radiator)
    • Coolant drain line with valve
    • Fan and belt guards
    • JWAC
    • Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
    • Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
  • Exhaust
    • Dry exhaust manifold
    • Flanged faced outlet(s)
  • Fuel System
    • Fuel priming pump
    • Fuel cooler; not included with packages without radiator
    • Secondary fuel filters
    • Flexible fuel lines - shipped loose
  • Generators And Attachments
    • Internal excitation (IE) or Permanent magnet excitation (PMG)
    • Winding temperature detectors
    • 6 Lead
    • LV
    • 60 Hz models: NEMA standard hole pattern
    • Busbar connections, top center mounted, top cable entry
    • 3 Phase brushless, Salient pole
    • Random wound
    • NEMA Class H insulation
    • Class H temperature rise at 40C ambient (125C prime / 150C standby)
    • KVAR/PF modes
    • Exciter diode monitor
    • Caterpillar's digital voltage regulator (CDVR) includes:
    • RFI suppression
    • Reactive droop capability
    • Min / max exciter limiter
    • Note: 1800 Frames are form wound, permanent magnet excitation (PMG), with winding temp detectors
    • Generator set packages include: Regulator (CDVR)
    • 3 Phase voltage sensing
  • Governing System
    • Woodward 2301A isochronous governor
  • Lube System
    • Fumes disposal
    • Lubricating oil
    • Gear type lube oil pump
    • Oil filter, filler and dipstick
    • Integral lube Oil cooler
    • Oil drain lines and valve
  • Mounting System
    • Rails - engine/generator/radiator mounting
    • Rubber anti-vibration mounts - shipped loose
  • Starting / Charging System
    • 24-Volt electric starting motor
    • Battery and battery rack w/cables
    • 50 Amp Charging alternator
    • Battery disconnect switch
  • General
    • Flywheel and Flywheel housing-SAE No. 00
    • SAE standard rotation
    • RH service
    • Paint - Caterpillar yellow with high gloss black rails & radiator
  • Air Inlet System
    • Single stage air cleaners
    • Dual element air filters
  • Circuit Breakers
    • 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated Circuit breakers
  • Control Panels
    • Remote custom annunicator
    • CAN2 network equipment
    • Modbus monitoring of packages
    • EMCP 4.3, EMCP 4.4
    • Local discrete I/O package
    • Vandle proof panel door
    • Cat connect
    • Load share module options
    • First local annunciator
  • Cooling System
    • Coolant
    • Water level gauge
    • Optional radiator arrangements
  • Exhaust System
    • Exhaust flexible fittings
    • Industrial grade (15 db) mufflers
    • Exhaust elbows
    • Exhaust Y Adapters
  • Generators And Attachments
    • Space heater control
    • Space heater
    • Generator conversion
    • Space heater
    • Space heater control
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, Form wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
  • Lube System
    • Oil level regulator
    • Lube oil
    • Primary fuel systems
    • Prelube sump pump
    • Oil level regulator
  • Special Tests / Reports
    • Gensets vibration analysis
    • PGS Test report @ 1.0 power factor
    • PKG factory test report
    • Standard genset TVA report
    • Standard engine test charge
    • Fuel consumption test
    • Generator test report
    • Standard engine test charge
    • PGS Test report @ 0.8 power factor
    • PGS Test report @ 1.0 power factor
    • Torsional vibration analysis
    • Generator test report
  • Crankcase System
    • Protection systems
    • Ventilation system
    • Protection systems
    • Ventilation system
  • Batteries And Battery Housing
    • Battery chargers - 10, 20 and 35 amp
    • 24 Volt battery set - Dry
    • Battery chargers - 10, 20 and 35 amp
    • 24 Volt battery set - Dry
  • Mounting System
    • Spring type vibration isolators
    • Puck style low efficiency lsolators
    • IBC vibration isolators
    • Spring type vibration isolators
  • Instrumentation
    • Pyrometer and thermocouples
  • Protection System
    • Explosion relief valves
  • Starting / Charging Systems
    • Oversize battery set
    • Jacket water heater
    • Electric starting motors
    • Jacket water heaters
    • 24 Volt dual electric starting motor
    • Starter cover
  • General
    • Barring devices
  • Power Connection System
    • Breaker power connections
    • EMCP voltage and current sensing groups
    • Center post busbars
  • Circuit Breaker - Lv Packages
    • Electronically operated circuit breakers
    • Right hand power connections
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