D100 GC C4.4 (60 HZ) | 100 kW Diesel Generator

Diesel Generator Sets D100 GC

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Key Specs

Maximum Rating
100 ekW
100 ekW
Minimum Rating
100 ekW
100 ekW
Emissions/Fuel Strategy
U.S. EPA Cert., Tier 3
U.S. EPA Cert., Tier 3


100 ekW Diesel Generator Set

Producing reliable power of 100 ekW at 60 Hz, our D100 GC diesel generator sets designed to ISO 8528-5 transient response requirements. All D100 GC generator sets meet EPA Stationary Emergency (Tier 3) emissions standards.


Saves up to 12% Installed Space

Requires less space for installation; leaves more room for your on-going operations

Reliability tested for 500 Hours

Ensures you can count on emergency power when it is needed

Spare Parts 98% Fulfillment within 24 hours

World's best product support network ensures spare parts are readily available for maintenance and service needs

Product Specifications for D100 GC

Maximum Rating 100 ekW 100 ekW
Minimum Rating 100 ekW 100 ekW
Emissions/Fuel Strategy U.S. EPA Cert., Tier 3 U.S. EPA Cert., Tier 3
Voltage 208 to 600 Volts 208 to 600 Volts
Frequency 60 Hz 60 Hz
Speed 1800 rpm 1800 rpm
Duty Cycle Standby Standby
Engine Model C4.4, In-line 4, 4-cycle diesel C4.4, In-line 4, 4-cycle diesel
Bore 4.1 in 105 mm
Stroke 5 in 127 mm
Displacement 269 in³ 4.4 l
Compression Ratio 16.7:1 16.7:1
Aspiration Turbocharged Turbocharged
Fuel System Common Rail Common Rail
Governor Type Mechanical, ADEM™A4 Mechanical, ADEM™A4
Length - Maximum 82.6 in 2097 mm
Width - Maximum 43.3 in 1100 mm
Height - Maximum 52.9 in 1343 mm
Dry Weight - Genset (maximum) 2222 lb 1008 kg

D100 GC Standard Equipment

Air Inlet System

  • Air cleaner; light duty with disposable element
  • Air cleaner

Cooling System

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

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


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

Governing System

  • Mechanical and electrical governing system - model dependent

Lube System

  • Lubricating oil
  • Oil drain line with valve

Mounting System

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

Starting/Charging System

  • Batteries
  • 24V battery with rack and cables


  • Engine and alternator pre-paint, Caterpillar yellow

D100 GC Optional Equipment

Alternator System

  • Anti-condensation heater
  • 3 phase sensing
  • Permanent magnet excitation (PMG)
  • R Frame auxilliary winding
  • Quadrature droop kit

Circuit breakers

  • Circuit breaker upgrades - 4 Pole circuit reaker to 250A, 400A and 630 A

Cooling System

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

Control Panel Options

  • Earth fault (2 wire only)
  • Control panel heater
  • GCCP 1.2 Control panel
  • Volt free contacts
  • Emergency stop with key
  • Voltage adjust potentiometer
  • Overload shutdown via breaker
  • Panel mounted audible alarm
  • Battery charger
  • Earth leakage (2 wire only)
  • Speed adjust potentiometer


  • Sound attenuated Level 2 enclosure

Fuel System

  • Low fuel level alarm
  • Bunded fuel tank
  • Low fuel level shutdown
  • High fuel level alarm

Mounting Options

  • Battery removal
  • Electronic governor
  • Industrial silencer
  • External single point lift - enclosure
  • Silencer installation kit

Special Packing/Inspectons for Shipment

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

General - Accessories / Miscellaneous

  • Packing case - canopied set
  • Packing case - compact set
  • Stone guards/rad trans flange

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Service Agreement (Cat® CVA & LTSA)

Experience hassle-free ownership and predictable expenses with flexible Customer Value Agreements, which include Long-Term Service Agreements.

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Cat RAM and Condition Monitoring

Observe and manage your fleet from anywhere with Cat RAM, and benefit from real-time monitoring by expert advisors with Condition Monitoring.

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Shop for genuine and Cat Reman parts online, with access to price, inventory, and 24/7 expert support.

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Maintenance and Repairs

Retain genset value with maintenance, upgrade kits, and repair options that extend lifecycles, optimise performance, and help you control costs.

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