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3512 with Upgradeable Package

Diesel Generator Sets
Diesel Generator Sets (172)

Overview

The 3512A generator set withUpgradeable Packaging 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
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
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
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
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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
6.69in
Stroke
7.48in
Displacement
3161.03in³
Compression Ratio
13.5:1
Aspiration
TA
Fuel System
MUI
Governor Type
Woodward

Generator Set Dimensions

Length - Maximum
203.5in
Width - Maximum
79.3in
Height - Maximum
92in
Dry Weight - Genset (minimum)
22099lb
Dry Weight - Genset (maximum)
22540lb

Standard/Optional Features

Standard Equipment:

  • 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

Optional Equipment:

  • 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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See how 3512 (60 Hz) with Upgradeable Package compares against frequently compared products

3512 (60 Hz) with Upgradeable Package Diesel Generator Sets

Engine Model
3512A, V-12, 4-Stroke Water-Cooled Diesel
Voltage
380 to 480 Volts
Maximum Rating
1250 ekW
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
View Full Specs

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
View Full Specs

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