DE350S GC 350-450 kVA Diesel Generator

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Maximum Rating350 ekW
Minimum Rating350 ekW
Emissions/Fuel StrategyLow Fuel, R96/EUIIIa
Voltage220 to 480 Volts
Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.


Maximum Rating350 ekW
Minimum Rating350 ekW
Emissions/Fuel StrategyLow Fuel, R96/EUIIIa
Voltage220 to 480 Volts
Frequency60 Hz
Speed1800 rpm
Duty CycleStandby
Engine ModelC9.3B ATAAC, I-6, 4-Stroke Water-Cooled Diesel
Bore4.53 in (115 mm)
Stroke5.87 in (149 mm)
Displacement567.5 in³ (9.3 l)
Compression Ratio16.5:1
AspirationAir to Air Aftercooled
Fuel SystemDirect Injection
Governor TypeAdem™A4
Length - Maximum186.7 in (4743 mm)
Width - Maximum79.3 in (2014 mm)
Height - Maximum84 in (2133 mm)

Benefits and Features

  • Cat generator set packages have been fully prototype tested
  • Accepts 100% block load in one step and meets NFPA 110 loading requirements
  • Conform to ISO 8528-5 steady state and transient response requirements

  • Reliable, rugged, durable design
  • Field-proven in thousands of applications worldwide
  • Four-stroke-cycle diesel engine combines consistent performance and excellent fuel economy with minimum weight

  • Superior motor starting capability minimizes need for oversizing alternator
  • Designed to match performance and output characteristics of Cat diesel engines
  • Robust Class H insulation

  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement
  • Expansion modules and site-specific programming for specific customer requirements

  • Designed to operate in standard ambient temperatures up to 55°C (131°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities

  • Components used in the generator set are selected based on seamless design integration to provide the optimum performance
  • The generator set is fully assembled at a Caterpillar facility following our quality guidelines
  • Each generator set package is tested before leaving the Caterpillar facility
  • Cat product support, including dealer service, parts and warranty covers the entire Cat power system

  • Cat dealers have over 1,800 dealer branch stores operating in 200 countries
  • Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements

Standard Equipment

  • C9.3B, Inline 6 Cylinder, 4 Stroke Diesel
  • Standard Air Filter
  • Adem A4
  • A Frame Standard Alternator
  • Single Wall 8 Hour Tank
  • Engine and alternator pre-paint, Caterpillar yellow

Optional Equipment

  • 6" Elbow Kit
  • No Muffler
  • Single Stage Air Filter
  • 6" Flange Kit
  • 5" Muffler - 10dBA Attenuation
  • 5-6" Exhaust Adapter
  • Dual Element Air Filter
  • 6" Muffler - 25 dBA Attenuation
  • 5" Elbow Kit
  • Canopy Silencer
  • IP Standard @ 21 FUW A-Frame
  • Space Heater
  • Australia, CIS, Gulf Certification
  • Certificate of Conformance 13
  • 4 Pole Circuit Breaker 800A
  • 4 Pole Circuit Breaker 1250A
  • Shunt Trip
  • Neutral Earth Link
  • 3 Pole Circuit Breaker 630A
  • 3 Pole Circuit Breaker 800A
  • Circuit Breaker Padlock
  • 4 Pole Circuit Breaker 630A
  • 3 Pole Circuit Breaker 1250A
  • Overload via Alarm Switch on Breaker
  • Auxiliary Contacts
  • Cat GC Enclosure
  • Low Fuel Level Alarm
  • High Fuel Level Alarm
  • Fuel Level Sender
  • Dual Wall 8 Hour Tank
  • Low Fuel Level Shutdown
  • Single Wall Tank With Containment 01
  • Coolant Heater
  • PLG Cellular 4G E
  • Battery Charger
  • PLG Ethernet
  • Standby Pack (Smart Jacket Water Heater, Battery Charger)
  • Oil Temperature Display
  • Low Coolant Temperature Alarm
  • Voltage Adjust Potentiometer
  • Speed Adjust Potentiometer
  • PLG Cellular 4G U
  • Battery