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Overview

Providing reliable energy solutions ,our C7.1 diesel generator sets are made to meet your standby and prime three phase applications. All standby C7.1 generator sets are supplied with 4 years extended service coverage as standard. We’ve designed each to ISO 8528-5 transient response requirements. C7.1 generator sets are available with a choice of emissions levels. We offer easy-to-use Cat control panels, EMCP 4.1 or EMCP 4.2 options. Browse a broad range of accessories including galvanised sound attenuated enclosures and integral fuel tanks. Our C7.1 generator sets are made for demands, so you can make yours.

Generator Set Specifications

Units:
Minimum Rating 114 ekW 114 ekW Less
Maximum Rating 200 ekW 200 ekW Less
Voltage 208 to 480 Volts 208 to 480 Volts Less
Frequency 60 Hz 60 Hz Less
Speed 1800 RPM 1800 RPM Less

Generator Set Configurations

Emissions/Fuel Strategy U.S. EPA Certified for Stationary Emergency Use Only ( Tier 3 Nonroad Equivalent Emission Standards) U.S. EPA Certified for Stationary Emergency Use Only ( Tier 3 Nonroad Equivalent Emission Standards) Less

Engine Specifications

Engine Model C7.1 I-6, 4-Cycle Diesel C7.1 I-6, 4-Cycle Diesel Less
Compression Ratio 16.5:1 16.5:1 Less
Aspiration Turbocharged, Air to Air Aftercooled Turbocharged, Air to Air Aftercooled Less
Governor Type ADEM™A4 ADEM™A4 Less
Fuel System Common Rail Common Rail Less
Bore 4.13 in 105.0 mm Less
Displacement 427.8 in³ 7.01 L Less
Stroke 5.31 in 135.0 mm Less

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
  • Generator

  • Matched to the performance and output characteristics of Cat engines
  • Industry leading mechanical and electrical design
  • Industry leading motor starting capabilities
  • High Efficiency
  • Cat EMCP Control Panel

    The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4 systems can be further customized to meet your needs through programming and expansion modules.

    Seismic Certification

  • Seismic Certification available.
  • Anchoring details are site specific, and are dependent on many factors such as generator set size, weight, and concrete strength.
  • IBC Certification requires that the anchoring system used is reviewed and approved by a Professional Engineer
  • Seismic Certification per Applicable Building Codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007, CBC 2010
  • Pre-approved by OSHPD and carries an OSP-0321-10 for use in healthcare projects in California
  • World Wide Product Support

    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 Caterpillar S•O•S℠ program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products

    Design Criteria

    The generator set accepts 100% rated load in one step per NFPA 110 and meets ISO 8528-5 transient response.

    Single-Source Supplier

    Fully prototype tested with certified torsional vibration analysis available

    C7.1 (60 Hz) Standard Equipment

    Air Inlet System
    • Air Cleaner; light duty with disposable element

    Control Panels
    • EMCP4.1 control panel

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

    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 8-hour fuel tank

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

    Governing System
    • Mechanical and electrical governing system - model dependent

    Lube System
    • Lubricating oil
    • Oil drain line with valve

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

    Starting / Charging System
    • 24V battery with rack and cables

    General
    • Engine and alternator pre-paint, Caterpillar Yellow

    C7.1 (60 Hz) Optional Equipment

    Alternator System
    • Alternator removal
    • R2273L4 SE aux alt 07
    • R2453L4 SE aux alt 08
    • R2473L4 SE aux alt 10

    Circuit Breakers
    • 4 Pole Circuit Breaker to 250A
    • 4 Pole Circuit Breaker to 400A
    • 4 Pole Circuit Breaker to630A

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

    Control System
    • EMCP 4.2
    • Static battery charger
    • Control panel heater
    • Volt free contacts for common alarm
    • Volt free contacts for generator set running

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

    Enclosures
    • Sound attenuated level 2 enclosure
    • Sound attenuated level 1 enclosure
    • Rental options (CAE only) - Single point lift
    • Rental options (CAE only) - Rental pack
    • Rental options (CAE only) - CEE form sockets for enclosure
    • Rental options (CAE only) - Socket blanking plate

    European Certifications
    • Upgrade to STD set for CE

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

    Global Certifications
    • Certification for CIS

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

    Power Termination
    • Circuit breaker, IEC, 4 pole

    Special Packing / Inspections for Shipment
    • PGS test report @ 1.0 PF
    • PGS test report @ 0.8 PF

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

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