3512 with Upgradeable Package

3512 with Upgradeable Package

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 ...

Generator Set Specifications

Minimum Rating
890 eKW
Maximum Rating
1250 eKW
220 to 13800
60 Hz
1800 rpm
Height - Maximum
Length - Maximum
Width - Maximum

Generator Set Configurations

Emissions/Fuel Strategy
Low Fuel Consumption, Low Emissions

Engine Specifications

Engine Model
3512A, V-12, 4-Stroke Water-Cooled Diesel
145 mm (5.71 in)
51.8 L (3161.03 in3)
190 mm (7.48 in)
Compression Ratio
Governor Type
Fuel System
Exhaust Flange Size - Internal Diameter
203.2 mm (8.0 in)
Air Inlet
Single element canister style with service indicator

Cat Generator Set Package

Cat generator set packages have been fully prototype tested, and certified torsional vibration analysis reports are available. The packages are designed to accept 100% load in one step, meet the NFPA 110 requirement for loading, and conform to the ISO 8528-5 steady state and transient response requirements

Cat Diesel Engines

The four cycle Cat diesel engine combines consistent performance with excellent fuel economy and transient response that meets or exceeds ISO 8528-5. The engines have been designed and built for a wide range of applications and can be optimized for low fuel consumption or low emissions. The engines feature a reliable, rugged, and durable design that has been field proven in thousands of applications worldwide from emergency standby installations to continuously operating power plants.


The generators used on Cat packages have been designed and tested to work with the Cat engine. The generators are built with robust Class H insulation and provide industry leading motor starting capability. Random wound generators provide good generator performance in a majority of applications and form wound is available for harsh mechanical and electrical environments.

EMCP Control Panels

The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. The EMCP 4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP 4 systems can be further customized to meet your needs through programming and expansion modules.

Cooling System

The cooling system has been designed to operate in standard ambient temperatures up to 50°C (122°F), with optional high ambient radiators available. The factory installed cooling system has been designed and tested to ensure proper generator set cooling, and includes the radiator, fan, belts, and all guarding installed as standard. Contact your Cat Dealer for specific ambient and altitude capabilities.

World Wide Product Support

Cat Dealers have over 1,800 dealer branch stores operating in 200 countries, providing extensive pre-sale and post-sale support, from 98% parts availability within 24 hours to an individualized customer support agreement (CSA), the Cat dealer will provide support.

Standard Equipment:

Optional Equipment:

    Air Inlet System
    • Single stage air cleaners
    • Duel element air filters
    • Air Cleaner: Includes installed single element Cat filter and service indicator
    Control Panels
    • EMCP 4.3, EMCP 4.4
    • Locale discrete I / O package
    • Cat connect (must choose one)
    • First local annunicator
    • CAN 2 network equipment
    • RTD module - may select one
    • Remote custom annunciator
    • Vandle proof panel door
    • Modbus monitoring of packages
    Cooling System
    • Optional radiator arrangements
    • Water level gauge
    • Coolant
    Exhaust System
    • Mufflers
    • Exhaust Y adapters
    • Exhaust Elbows
    • Exhaust flange and expanders
    Generators And Attachments
    • Generator conversion
    • Space heater
    • Space heater control
    • Pyrometer and thermocouples
    Lube System
    • Lube oil
    • Prelube manual sump pump
    • Electric prelube sump pump
    • Oil level regulator
    Mounting System
    • Spring type vibration isolator
    Special Tests / Reports
    • Generator test report
    • PGS test report @ 0.8 power factor
    • Torsional vibration analysis
    • PGS test report @ 1.0 power factor
    • Standard engine test charge
    Starting / Charging Systems
    • Starter covers
    • Jacket water heater
    • Electric starting motors
    • 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