3512B Diesel Generator Set

The 3512B generator set 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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Minimum Rating
1320 kVA
Maximum Rating
1750 kVA
Emissions/Fuel Strategy
Low Fuel Consumption, Low Emissions
400 to 415 Volts

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Product Specs

Generator Set Specifications

Minimum Rating
1320 kVA
Maximum Rating
1750 kVA
400 to 415 Volts
50 Hz
1500 RPM
Duty Cycle
Continuous, Prime, Standby, Mission Critical

Generator Set Configurations

Emissions/Fuel Strategy
Low Fuel Consumption, Low Emissions

Engine Specifications

Engine Model
3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Displacement (Std)
Displacement (HD)
Stroke (Std)
Stroke (HD)
Compression Ratio
14.0:1 Std 15.5:1 HD
Governor Type
Fuel System
Electronic Unit Injection
Air Inlet
Single element canister style with service indicator

Engine Specificatons

Exhaust Flange Size
203.2 mm (8.0 in)

Standard/Optional Features

Standard Equipment:

Optional Equipment:

  • Exhaust
    • Exhaust mufflers
  • Generator
    • Anti-condensation heater
    • Internal excitation (IE)
    • Permanent magnet excitation (PMG)
    • Oversize and premium generators
  • Power Termination
    • Circuit breakers, UL listed
    • Circuit breakers, IEC compliant
  • Control Panels
    • EMCP 4.2
    • EMCP 4.3
    • EMCP 4.4
    • Generator temperature monitoring & protection
    • Load share module
    • Digital I/O module
    • Remote monitoring software
  • Mounting
    • Rubber anti-vibration mounts
    • Spring-type vibration isolator
    • IBC isolators
  • Starting/charging
    • Battery chargers
    • Oversize batteries
    • Jacket water heater
    • Heavy-duty starting system
    • Charging alternator
    • Air starting motor with control and silencer
  • General
    • The following options are based on regional and product configuration:
    • Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
    • UL 2200 package
    • EU Certificate of Conformance (CE)
    • CSA Certification
    • EEC Declaration of Conformity
    • Enclosures: sound attenuated, weather protective
    • Automatic transfer switches (ATS)
    • Integral & sub-base fuel tanks
    • Integral & sub-base UL listed dual wall fuel tanks