C1.1 (50 Hz)

C1.1 Generator Set

Producing reliable power from 6.8 to 9.5 kVA at 50 Hz, our C1.1 diesel generator sets designed to ISO 8528-5 transient response requirements. All C1.1 generator sets are R96/EUIIIa equivalent emissions compliant.

Cat Generator Set Package

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

Cat Diesel Engine

  • 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

M-Frame Alternator

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

GCCP 1.3 Control Panel

  • 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
  • Image may not be a representative of actual product

Cooling System

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


Cat Dealers provide extensive post sale support including maintenance and repair agreements. Cat dealers have over 1,800 dealer branch stores operating in 200 countries. The Cat® SOSSM program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products.

One Safe Source

  • 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

World Wide Product Support

  • 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

Air Inlet System
  • Air cleaner; light duty with disposable element
Control Panel
  • GCCP1.3 Control panel
Cooling System
  • Caterpillar extended life coolant
  • Coolant drain line with valve
  • Fan drive, battery charging alternator drive
  • Radiator and cooling fan with guards
Exhaust System
  • Stub pipe, gaskets, raincap & SAE exhaust flange for customer use - shipped loose
Fuel System
  • Base, formed steel with single wall integral 8-hour fuel tank
  • Standard open set fuel tank/base supplied
  • Engine and alternator pre-paint, Caterpillar yellow
Generators and Generator Attachments
  • 12 Leads
  • Circuit breaker, IEC, 3 pole, mounted in tower panel
  • IP23 Protection
  • Segregated low voltage (AC/DC) wiring panel
  • Tower panel, IP22, bottom cable entry
  • Voltage regulator (single phase sensing)
Governing System
  • Mechanical governing system
Lube System
  • Lubricating oil
  • Oil drain line with valve
Mounting System
  • Anti-vibration mounts
  • Captive linear vibration isolators between base and engine-generator
  • Includes lifting provisions and termination points for coolant
  • Skidbase as standard
Starting / Charging System
  • 12 Volt battery with rack and cables

Additional information

Offering Type

Generator Set Specifications - Maximum Rating

9.5 kVA

Generator Set Specifications - Minimum Rating

6.8 kVA

Generator Set Specifications - Emissions/Fuel Strategy

R96/EUIIIa Equivalent

Generator Set Specifications - Voltage

110 to 415 Volts

Generator Set Specifications - Frequency

50 Hz

Generator Set Specifications - Speed

1500 rpm

Generator Set Specifications - Duty Cycle

Standby, Prime

Engine Specifications - Engine Model

C1.1, In-line 4 4-cycle diesel

Engine Specifications - Bore

77 mm ( 3 in )

Engine Specifications - Stroke

81 mm ( 3.2 in )

Engine Specifications - Displacement

1.1 l ( 69 in³ )

Engine Specifications - Compression Ratio


Engine Specifications - Aspiration

Naturally Aspirated

Engine Specifications - Fuel System

Indirect Injection

Engine Specifications - Governor Type


Generator Set Dimensions - Length - Maximum

1400 mm ( 55.1 in )

Generator Set Dimensions - Width - Maximum

620 mm ( 24.4 in )

Generator Set Dimensions - Height - Maximum

996 mm ( 39.2 in )

  • Enclosures

    6.8-22 kVA SA Enclosure

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  • Enclosures

    6.8-22 kVA SA Lvl1, Lvl2 & Lvl3 (B Series)

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