D40 GC

D40 GC Generator Set

D40 GC (60 HZ) 40 kW Diesel Generator models represent a customizable and flexible solution for your standby applications.

D40 GC

D40 GC

Producing reliable power of 40 ekW at 60 Hz, our D40 GC diesel generator sets designed to ISO 8528-5 transient response requirements. All D40 GC generator sets meet EPA Stationary Emergency (Tier 3) emissions standards.
Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.
Electric Power

Emissions/Fuel Strategy

U.S. EPA Tier 3 Certified
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  • Specifications
  • Standard / Optional Features
  • Overview
    • Long Name -D40 GC Generator Set
    • Name -D40 GC
    • Brand -Cat
    • Status -Current
  • Generator Set Specifications
    • Standby Rating - 40 ekW
    • Frequency - 60 Hz
    • Emissions/Fuel Strategy - U.S. EPA Tier 3 Certified
    • Voltage - 208 to 600 Volts
    • Speed - 1800 rpm
    • Duty Cycle - Standby
  • Engine Specifications
    • Engine Model - C4.4, In-line 4, 4-cycle diesel
    • Bore - 4.1 in / 105 mm
    • Stroke - 5 in / 127 mm
    • Displacement - 269 in / 4.4 l
    • Compression Ratio - 18.2:1
    • Aspiration - Turbocharged
    • Fuel System - Common Rail
    • Governor Type - Mechanical, ADEM™A4
  • Generator Set Dimensions
    • Length - Maximum - 77.2 in / 1962 mm
    • Width - Maximum - 43.3 in / 1100 mm
    • Height - Maximum - 48 in / 1220 mm
    • Dry Weight - Genset (maximum) - 1847 lb / 838 kg

    • Standard Equipment

    • certificates
      • IBC seismic and wind Certifications
    • air inlet system
      • Air cleaner
      • Cartridge type air filter
    • circuit breakers
      • Breakers (100% UL rated)
      • Second circuit breaker box
      • 3-Pole 100% rated
      • Power terminal strip
    • charging system
      • NFPA battery charger UL10A 120VAC
    • control panel
      • GCCP 1.2 Control panel
    • exhaust system
      • Stub pipe, gaskets, raincap and SAE exhaust flange for customer use - shipped loose
    • fuel system
      • Standard open set fuel tank/base supplied base, formed steel with single wall integral 24-hour fuel tank
    • control panels
      • NFPA110 bundle includes:
      • WSS1 Low coolant level shut down
      • WCA1 Low coolant temperature alarm
      • FSS Low fuel level alarm & indication panel circuitry required when sub-base tank is selected
      • PBC10NU NFPA battery charger
      • Oil temperature gauge and sender
      • A Coolant heater, remote annunciator or 0.8 power factor test may be required depending on the application
      • PAA1 Panel mounted audible alarm
      • Remote E-stop button
      • Volt free contacts genset run and common alarm
      • Discrete I/O module
      • Audible alarm
      • Ground fault relay
      • Remote annunciator module
      • Overload shutdown via breaker
      • Low coolant level shutdown
      • Fuel level reading
      • Protective devices:
      • Low coolant temperature alarm
    • cooling system
      • Caterpillar extended life coolant
      • Radiator and cooling fan with guards
      • Coolant drain line with valve
      • Fan drive, battery charging alternator drive
      • Radiator stone guard
    • generator
      • 12 Leads
    • governing system
      • Mechanical and electrical governing system - model dependent
    • lube system
      • Lubricating oil
      • Oil drain line with valve
    • general
      • Engine and alternator pre-paint, Caterpillar yellow
    • starting/charging system
      • Batteries
      • 24V battery with rack and cables

    Optional Equipment

    • certificates
      • IBC seismic and wind Certifications
    • air inlet system
      • Cartridge type air filter
    • alternator system
      • R Frame auxilliary winding
    • charging system
      • NFPA battery charger UL10A 120VAC
    • circuit breakers
      • Power terminal strip
      • Second circuit breaker box
      • Breakers (100% UL rated)
      • 3-Pole 100% rated
    • control panels
      • Volt free contacts genset run and common alarm
      • Protective devices: Low coolant temperature alarm - Low coolant level shutdown - Fuel level reading - Overload shutdown via breaker
      • Discrete I/O module
      • Audible alarm
      • Ground fault relay
      • Remote annunciator module
      • NFPA110 bundle includes: FSS Low fuel level alarm & indication panel circuitry required when sub-base tank is selected - WSS1 Low coolant level shut down - WCA1 Low coolant temperature alarm - PAA1 Panel mounted audible alarm - PBC10NU NFPA battery charger - A Coolant heater ,remote annunciator or 0.8 power factor test may be required depending on the application
      • Oil temperature gauge and sender
      • Remote E-stop button
    • enclosures
      • Panel viewing window
      • Sound attenuated enclosure, Level 2
      • External emergency stop
    • heating elements
      • Anti-condensation heater
      • Coolant heater
      • Lube oil sump heater
      • Wiring for canopy space heater
      • Jacket water heater
      • Battery heater
    • cooling system
      • Radiator transition flange
    • fuel system
      • Emergency vent pipe
      • Tank riser
      • 209 and 394 gallon sub-base fuel tanks
      • 5 Gallon fill containment
    • mounting system
      • Seismic vibration isolators
    • tests
      • PGS Test report @ 1.0 power factor
      • 4 Hour factory test
      • PGS Test report @ 0.8 power factor
      • Generator test report
    • exhaust system
      • 10, 25 and 35 dBA silencer systems
      • Overhead silencer mounting kit
    • generators
      • Permanent magnet excitation (PMG) generator