Overview
Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.
Specifications
Units:
| Maximum Rating | 3500 kVA |
| Minimum Rating | 3000 kVA |
| Emissions/Fuel Strategy | Tier 2 Equivalent - 1800 rpm |
Benefits & Features
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
February 10, 2026
Specifications
Units:
| Maximum Rating | 3500 kVA |
| Minimum Rating | 3000 kVA |
| Emissions/Fuel Strategy | Tier 2 Equivalent - 1800 rpm |
| Voltage | 380 to 11000 volts |
| Frequency | 50 Hz |
| Speed | 1800 rpm |
| Duty Cycle | Standby, Mission Critical |
| Engine Model | 3516E, V-16, 4-Stroke Water-Cooled Diesel |
| Bore | — |
| Stroke | — |
| Displacement | — |
| Compression Ratio | 14.7:1 |
| Aspiration | ATAAC |
| Fuel System | Electronic Unit Injection |
| Governor Type | Adem™5 |
| Length - Minimum | — |
| Length - Maximum | — |
| Width - Minimum | — |
| Width - Maximum | — |
| Height - Minimum | — |
| Height - Maximum | — |
| Dry Weight - Genset (minimum) | — |
| Dry Weight - Genset (maximum) | — |
Benefits & Features
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
Cat 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)
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
- 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
Data not available.
Standard Equipment
- Air Inlet System
- Air cleaner; single element canister type
- Control System
- Text alarm/event descriptions
- Emergency stop pushbutton
- IVR includes reactive droop capability
- KVAR / PF modes
- EMCP 4.2B
- 3 Phase voltage sensing
- Generator mounted - rear facing
- Generator set packages include:
- 24 Volt DC operation
- Caterpillar's voltage regulator
- RFI suppression
- Environmental sealed front face
- Limiter and exciter diode monitor
- Min / max exciter
- Controls:
- Speed adjust
- Alarm acknowledge
- Auto/start/stop control
- Engine cycle crank
- Engine cool
- Customizable screens
- PLC functionality
- Lamp test
- Load histogram feature
- Accessory module data link
- Reverse power (kW) (32)
- 6 Customer programmable digital inputs
- 3 Phase
- +/- 2% accuracy
- High coolant temperature
- 0 True RMS AC metering
- Programmable protective relaying functions:
- Reverse reactive power (kVAr) (32RV)
- Communications:
- Generator phase sequence
- Over/under voltage (27/59)
- Overcurrent (50/51)
- RPM
- Number of I/O varies on options selected
- Overspeed
- Serial annunciator module data link
- Low coolant temperature
- 4 Programmable relay outputs (Form A)
- 1 Programmable relay outputs (Form C)
- 3 Analog inputs
- Over/under frequency (81 o/u)
- Digital indication for:
- Low coolant level
- Failure to start (overcrank)
- Cat connect
- 1 Programmable digital outputs
- DC volts
- Operating hours
- Coolant temperature
- Oil pressure (psi, kPa or bar)
- Amps (per phase & average)
- Power factor (per phase & average)
- Frequency (Hz)
- Volts (L-L & L-N)
- kW (per phase, average & percent)
- kVA (per phase, average & percent)
- kVAr (per phase, average & percent)
- Warning/shutdown with common LED indication of shutdowns for: Low oil pressure - High coolant temperature - Overspeed - Emergency stop - Failure to start (overcrank) - Low coolant temperature - Low coolant level -
- Low oil pressure
- kW-hr (total)
- kVAr-hr (total)
- Cooling System
- ATAAC - 3516E package radiators shipped installed
- Certified standard PGS provided
- Exhaust System
- Flanged faced outlet(s)
- Dry exhaust manifold
- Fuel System
- Secondary fuel filters
- Fuel cooler; not included with packages without radiator
- Flexible fuel lines - shipped loose
- General
- Right hand servicing
- Caterpillar yellow with high gloss black rails and radiator
- SAE standard rotation
- Flywheel and flywheel housing - SAE No. 00
- Generator and Attachments
- NEMA standard hole pattern
- Medium voltage:
- Anti-condensation space heater
- NEMA Class H insulation system, Class H temperature rise at 40C ambient (125C prime/150C standby)
- Winding temperature detectors
- High voltage:
- Busbar connections, right side extension box, bottom cable entry
- Form wound
- Low voltage: Random wound - Internal excitation (IE) - Winding temperature detectors - NEMA Class H insulation system, Class H temperature rise at 40C ambient (125C prime/150C standby) - Busbar connections, top center mounted, top cable entry - NEMA standard hole pattern
- 6 Lead
- Permanent magnet excitation (PMG)
- 3 Phase brushless, Salient pole
- Class H insulation, Class F temperature rise at 40C ambient (105C prime / 130C standby)
- Governing System
- ADEM A5
- Literature
- Parts book
- Operation & Maintenance Manual
- Lubrication System
- Integral lube oil cool
- Oil filter, filler and dipstick
- Oil drain lines and valve
- Gear type lube oil pump
- Lubricating oil
- Fumes disposal
- Mounting System
- Rails - Engine/generator/radiator mounting
- Anti-vibration mounts (shipped loose)
- Rubber anti-vibration mounts - shipped loose
- Starting System
- 24 Volt electric starting motor
- Battery disconnect switch
- Battery and battery rack w/cables
- 45 Amp Charging alternator
Optional Equipment
- Control System
- EMCP 4.4
- Air Inlet System
- Single element filter
- Dual element air cleaner
- Cooling System
- Standard ambient radiators
- Water level switch gauges
- Optional installed ATAAC radiators
- Optional installed radiators
- Coolant
- Standard ambient ATAAC radiators
- Crankcase System
- Ventilation system
- No explosion relief valves
- Explosion relief valves
- Exhaust System
- Y Adapters
- Fuel System
- Fuel priming pumps (Tier 4) - Manual or electric
- Primary fuel filter
- General
- Special paint (Colors other than Caterpillar yellow or high performance paints)
- US aid emblem
- Generators and Attachments
- Space heater
- Differential current transformers (DCT) 8.7 kV and 15 kV classes
- Low / Medium voltage: 380/400/415 volts, 3 phase 1500 rpm. RW, IE, No. of Leads = 6, Pitch = .6667: 1600 Frame
- Alternator air cleaner
- Thermostat for space heater
- Low / Medium voltage: 380/400/415 volts, 3 phase 1500 rpm. RW, PM, No. of Leads = 6, Pitch = .6667: 1600 and 1800 Frames
- Generator conversion
- Instrumentation
- Pyrometer and thermocouples
- Lubrication System
- Oil level regulator
- Prelube pumps
- Lube oil in standard sump
- Mounting System
- Puck style low efficiency isolators
- Spring type vibration isolators
- IBC vibration isolators
- Power Connections
- Neutral ground connections
- Center post busbars
- Right side power connections
- Special Tests / Reports
- Generator set fuel consumption test
- PGS Test report @ 1.0 power factor
- Standard engine test charge
- Canadian Standards Association certification
- Generator test report
- IBC Certification
- OSHPD Certification
- Fuel consumption test
- Torsional vibration analysis reports
- PGS Test report @ 0.8 power factor
- Starting and Charging
- Starter cover
- Air pressure regulator
- 10, 20, 35 and 50 Amp Battery chargers
- 24 Volt battery set - Dry
- Jacket water heaters
- Air starting motors
- Electric starting motors
- Engine barring device
- Extended Service Coverage
- Platinum, Gold and Silver coverage
Related Products
Units:
Switchgear and Paralleling Controls
Generator switchgear controls, protects and isolates electrical equipment. Our paralleling switchgear is available in low-voltage, medium-voltage, and high-voltage configurations to automatically start, synchronize and parallel generators with the load.
| Model | Configuration | ||
|---|---|---|---|
| Cat Switchgear | IP4X | 35 °C / 40 °C @ 1 hr, option for 0…50 °C (32…122 °F) | 600 mm for ABB Emax2 E2 1600 - 2500A. 750 mm for ABB Emax2 E4 3200 - 4000A. 1200 mm for ABB Emax2 E6 4000 - 6300A. |