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C3.3 open set Rear Right
C3.3 open set Rear Left
C3.3 open set Front Right
C3.3 open set Front Left
Enclosure
Enclosure
Diesel generator sets

DE33 Clone Test

Producing reliable power from 24.0 to 65.0 kVA at 50 Hz, our C3.3 diesel generator sets designed to ISO 8528-5 transient response requirements All C3.3 generator sets are R96/EUIIIa equivalent emissions compliant.

  • Minimum Rating24.0 kVA
  • Maximum Rating65.0 kVA
  • Emissions/Fuel StrategyEU Stage II R96/EUIIIa
  • Voltage110 to 480 Volts
  • Frequency50 Hz
  • Duty CycleStandby, Prime
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Generator Set Specifications
Minimum Rating 24.0 kVA
Maximum Rating 65.0 kVA
Emissions/Fuel Strategy EU Stage II R96/EUIIIa
Voltage 110 to 480 Volts
Frequency 50 Hz
Speed 1500 rpm
Duty Cycle Standby, Prime
Engine Specifications
Engine Model Cat® C3.3
Bore 4.1 in
Stroke 5 in
Displacement 201.4 in³
Compression Ratio 17.25:1, 19.25:1
Aspiration Turbocharged
Fuel System Direct Injection
Governor Type Mechanical
Generator Set Dimensions
Length - Maximum 43.9 in
Width - Maximum 38.2 in
Height - Maximum 53.6 in
Package Configuration - Ratings
Emissions Performance U.S. EPA Certified for Emergency Stationary Applications (Tier 2)
Duty Prime
Note (01) This is a test note for package configuration - Ratings.
Emissions Performance U.S. EPA Certified for Emergency Stationary Applications (Tier 2)
Emissions Performance U.S. EPA Certified for Emergency Stationary Applications (Tier 2)
Emissions Performance U.S. EPA Certified for Emergency Stationary Applications (Tier 2)
Duty Standby
Duty Mission Critical
Fuel Consumption
100% Load With Fan 241.5 gal/hr
50% Load With Fan 148.2 gal/hr
25% Load With Fan 90.6 gal/hr
75% Load With Fan 186.9 gal/hr
Exhaust Emissions
Particulate Matter 0.06 lb/h
HC 0.06 kg/hp
Emissions (Potential Site Variation)
CO 0.35 lb/h
NOx 6.03 lb/h
HC 0.04 lb/h
Particulate Matter 0.04 lb/h
NOx 7.23 kg/hp
CO 0.63 kg/hp
Emissions EPA ESE (Tier 2)
Note (01) *mg/Nm3 levels are corrected to 5% O2. Contact your local Cat dealer for further information.
Note (02) Add any other notes.
Engine Data
Displacement 6456 in³
Bore 6.89 in
Stroke 8.66 in
Aspiration TA
Fuel System Common Rail
Note (01) This is a test note for engine data.
Governor Type ADEM™ A4
Heat Rejection Performance
Heat Rejection - Aftercooler (AC) 21258 Btu/h
Note (01) Test heat rejection note.
Heat Rejection - Engine Jacket Water (JW) 107135 Btu/h
Heat Rejection - Engine Radiated 11211 Btu/h
Heat Rejection - Alternator Radiated 10697 Btu/h
Heat Rejection - Exhaust 197713 Btu/h
Dimensions and Weights
Dim "C" 150.7 in
Dry Weight 65850 lb
Dim "A" 331.1 in
Dim "B" 128.5 in
Note (01) For reference only. Do not use for installation design. Contact your local Cat dealer for precise weights and dimensions.
Note (02) Test for more notes.
Performance Specification
Note (02) kVA Gen set power rating with fan @ 0.8 power factor
Genset Rating 3500 ekW
Note (01) ekW Gen set power rating with fan
Performance Number EM5747-01
Genset Rating 4375 kV·A
Frequency 60 Hz
Duty Standby
Exhaust System
Exhaust Stack Gas Temperature 862.8 °F
Exhaust Flow 27899.2 ft³/min
Exhaust System Backpressure (Maximum Allowable) 27 in
Note (01) Testing Exhaust Notes
Ambient Requirements
Radiator Air Flow 120988 ft³/min
Cooling System
Radiator Coolant Capacity 223.2 Gal
Radiator Air Flow Restriction (System) 0.48 in
Total Coolant Capacity 339.5 Gal
Engine Jacket Water (JW) Coolant Capacity 116.2 Gal
Definitions and Conditions
Note (01) Fuel Rates :Fuel consumption reported in accordance with ISO 3046-1, based on fuel oil of 35 °API [16 °C (60 °F)] gravity having an LHV of 42,780 kJ/kg (18,390 Btu/lb) when used at 15 °C (59 °F) and weighing 850 g/liter (7.0936 lbs/U.S. gal.) All fuel consumption values refer to rated engine power.
Standards and Codes AS 1359, ULC 2200 3rd edition, UL 489, UL 869A, IBC, IEC 60034-1, ISO 3046, ISO 8528, NEMA MG1-22, NEMA MG1-33, 2014/35/EU, 2006/42/EC, 2014/30/EU and facilitates compliance to NFPA 37, NFPA 70, NFPA 99, NFPA 110. Note: Codes may not be available in all model configurations. Please consult your local Cat dealer for availability. Data Center Applications: • All ratings Tier III/Tier IV compliant per Uptime Institute requirements. • All ratings ANSI/TIA-942 compliant for Rated-1 through Rated-4 data centers.
Mission Critical Output available with varying load for the duration of the interruption of the normal source power. Average power output is 85% of the mission critical rated ekW. Typical peak demand up to 100% of rated power for up to 5% of the operating time. Typical operation is 200 hours per year, with maximum expected usage of 500 hours per year.
Prime Output available with varying load for an unlimited time. Average power output is 70% of the prime power rating. Typical peak demand is 100% of prime rated ekW with 10% overload capability for emergency use for a maximum of 1 hour in 12. Overload operation cannot exceed 25 hours per year.
Standby Output available with varying load for the duration of the interruption of the normal source power. Average power output is 70% of the standby rated ekW. Typical operation is 200 hours per year, with maximum expected usage of 500 hours per year.

Air Inlet System

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

Control Panel

  • EMCP 4.1
  • EMCP4.1 Control panel

Cooling System

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

Exhaust System

  • Stub pipe, gaskets, raincap & SAE exhaust flange
  • Stub pipe, gaskets, raincap & 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
  • Standard open set fuel tank/base supplied
  • Base, formed steel with single wall integral 8-hour fuel tank

Generators and Generator Attachments

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

Generators and attachments

  • IP23 Protection
  • 12 Leads

Governing System

  • Mechanical and electrical governing system - model dependant
  • Mechanical and electrical governing system - model dependant

Lube System

  • Oil drain line with valve
  • Lubricating oil

Mounting System

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

Starting / Charging System

  • 12V Battery with rack & cables

General

  • Engine and alternator pre-paint, Caterpillar yellow
  • Engine and alternator pre-paint, Caterpillar yellow
  • Electric Power Ratings Guide
    application/pdf
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  • 24-220 KVA SA LVL 2 Enclosure
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  • 24-220 KVA SA LVL 2 Enclosure
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  • DE33E0, 50 Hz 33.0 kVA, M Frame, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
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  • DE33E3, 50 Hz 33.0 kVA, M Frame, Low EUIIIA Emissions Compliant Spec Sheet
    application/pdf
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  • DE40E0S, 50 Hz 40.0 kVA, M Frame, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
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  • DE50E2, 50 Hz 50.0 kVA, M Frame, EUII Emissions Compliant Spec Sheet
    application/pdf
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  • DE65E0, 50 Hz 55.0 kVA, M Frame, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
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  • DE55E0, 50 Hz 55.0 kVA, M Frame, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
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  • DE26E0S, 50 Hz 26.0 kVA, M Frame, Low BSFC Emissions Compliant Spec Sheet
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  • DE26E3S, 50 Hz 26.0 kVA, M Frame, EUIIIA Emissions Compliant Spec Sheet
    application/pdf
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  • DE40E2S, 50 Hz 40.0 kVA, M Frame, EUII Emissions Compliant Spec Sheet
    application/pdf
    Download ↓
  • DE40E0S, 50 Hz 40.0 kVA, M Frame, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
    Download ↓
  • DE50E0S, 50 Hz 50.0 kVA, M Frame, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
    Download ↓
  • DE33E0, 50 Hz 33.0 kVA, 60 Hz 37.5 LC Frame, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
    Download ↓
  • DE33E3, 50 Hz 33.0 kVA, LC Frame, EUIII Emissions Compliant Spec Sheet
    application/pdf
    Download ↓
  • DE50E0, 50 Hz 50.0 kVA, 60 Hz 56.3 LC Frame, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
    Download ↓
  • DE50E2, 50 Hz 55.0 kVA, LC Frame, EU II Emissions Compliant Spec Sheet
    application/pdf
    Download ↓
  • DE65E0, 50 Hz 65.0 kVA, 60 Hz 75.0 LC Frame, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
    Download ↓
  • DE55E0, 50 Hz 55.0 kVA, 60 Hz 62.5 LC Frame, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
    Download ↓
Need installed dimensions with enclosure and tank? See Model Configurations