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Cat

D125 GC Generator Set

Maximum Rating

125 ekW

Minimum Rating

125 ekW

Emissions/Fuel Strategy

U.S. EPA Cert., Tier 3

Overview

Producing reliable power of 125 ekW at 60 Hz, our D125 GC diesel generator sets designed to ISO 8528-5 transient response requirements. All D125 GC generator sets are available with a choice of emissions levels.

Photos

360° View

Exterior

Interior

Showroom

D125 GC, Virtual Product Tour

Features

Specifications

  • Generator Set Specifications
    Spec Value
    Maximum Rating 125 ekW
    Minimum Rating 125 ekW
    Emissions/Fuel Strategy U.S. EPA Cert., Tier 3
    Voltage 208 to 600 Volts
    Frequency 60 Hz
    Speed 1800 rpm
    Duty Cycle Standby
  • Engine Specifications
    Spec Value
    Engine Model C7.1 I-6, 4-Cycle Diesel
    Bore 4.1 in
    Stroke 5.3 in
    Displacement 428 in³
    Compression Ratio 16.7:1
    Aspiration Turbocharged, Air to Air Aftercooled
    Fuel System Electronic, Common Rail
    Governor Type ADEM™A4
  • Generator Set Dimensions
    Spec Value
    Length - Maximum 103.7 in
    Width - Maximum 51.2 in
    Height - Maximum 52.2 in
    Dry Weight - Genset (maximum) 3099 lb

Standard Equipment

Air Inlet System

  • Air Cleaner; light duty with disposable element

Control Panels

  • GCCP 1.2 control panel

Cooling System

  • Fan drive, battery charging alternator drive
  • Coolant drain line with valves
  • Caterpillar extended life coolant
  • Radiator and cooling fan with guards

Generator and Generator Attachments

  • Segregated low voltage (AC/DC) wiring panel
  • IP23 protection
  • Circuit breaker, IEC, 3 pole, mounted in tower panel
  • Voltage regulator (single phase sensing)
  • Tower panel, IP22, bottom cable entry
  • 12 Leads

Exhaust System

  • Stub pipe, gaskets, raincap and SAE exhaust flange for customer use; shipped loose

Fuel System

  • Base, formed steel with single wall integral 24-hour fuel tank
  • Standard open set fuel tank / base supplied

Lube System

  • Oil drain line with valve
  • Lubricating oil

Mounting System

  • Termination points for coolant and lube oil drain lines
  • Includes lifting provision and drag points
  • Captive linear vibration isolators between base and engine-generator

Starting / Charging System

  • 24V battery with rack and cables

Governing System

  • Mechanical and electrical governing system - model dependent

General

  • Engine and alternator pre-paint, Caterpillar Yellow

Optional Equipment

Alternator System

  • Alternator removal
  • Optional LC frame alternators
  • R frame auxiliary winding: R2273L4 SE aux alt 07, aux alt 08 and aux alt 10
  • Permanent magnet
  • Anti-condensation heater
  • 3 Phase sensing
  • Quatrature droop king

Circuit Breakers

  • Padlockable breaker device
  • 4 Pole 250A, 400A and 630A Circuit Breakers

Control Panel Options

  • Battery charger
  • Control panel heater
  • Earth fault (2 wire only)
  • Volt free contacts
  • Emergency stop with key
  • Speed adjust potentiometer
  • Earth leakage (2 wire only)
  • Overload shutdown via breaker
  • Speed adjust contacts
  • Panel mounted audible alarm

Control System

  • Volt free contacts for generator set running
  • Volt free contacts for common alarm
  • Static battery charger
  • GCCP 1.2

Cooling System

  • Coolant heater
  • Low coolant temperature
  • Low coolant level shutdown

Enclosures

  • Sound attenuated level 2 enclosure

Mounting Options

  • Silencer installation kit
  • Residential silencer
  • Battery removal
  • Industrial silencer removal
  • Electronic governor

Fuel Systems

  • Low fuel level shutdown
  • Open set narrow tankbase
  • Skidbase for CALG enclosure sets
  • DEFRA bunded fuel tank
  • Low fuel level alarm
  • Compact skidbase for open sets
  • High fuel level alarm

Test Reports

  • PGS test report @ 0.8 power factor
  • PGS test report @ 1.0 power factor

General

  • Stone guards / radiator trans flange

Global Certifications

  • Certification for CIS

Power Termination

  • Circuit breaker, IEC, 4 pole

Accessories / Miscellaneous

  • Packing case - compact set
  • Packing case - canopied set