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MQ Whisperwatt DCA25SSI Generator (22kW)

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1,797.00 LBS

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The MQ Power Whisperwatt DCA25SSIU4F mobile diesel generator offers up to 22 kW of single/three phase power at a quiet 65 dBA.


  • Designed and built to withstand tough environments at construction sites and provide dependable temporary power at entertainment venues and disaster recovery operations.
  • Voltage selector switch offers the operator a wide range of voltages that are manually selectable. Fine tuning of the output voltage can be accomplished by adjusting the voltage regulator control knob to obtain the desired voltage.
  • Automatic start/stop control — automatically starts the generator set during a commercial power failure when used in conjunction with a transfer switch.
  • ECU750 — automatic CANBUS engine control with LED status indicator lights.
  • Complete engine analog instrumentation includes DC ammeter, oil pressure gauge, water temp. gauge, fuel level gauge, tachometer/hour meter, preheat indicator, and emergency shutdown monitors.
  • Complete generator analog instrumentation includes voltage regulator control, ammeter phase selector switch, voltmeter phase selector switch, AC voltmeter, AC ammeter, frequency meter, panel light, and circuit breaker.
  • Automatic safety shutdown system monitors the water temperature, engine oil pressure, overspeed, and overcrank; warning lights indicate abnormal conditions.
  • Main line circuit breaker with 60A rating.
  • Complete power panel. Fully covered; three-phase terminals and single phase receptacles allow fast and convenient hookup for most applications including temporary power boxes, tools and lighting equipment.
  • Brushless alternator reduces service and maintenance requirements and meets temperature rise standards for Class F insulation systems.
  • Open delta alternator design provides virtually unlimited excitation for maximum motor starting capability.
  • Automatic voltage regulator (AVR) provides precise regulation.
  • Electronic Governor Control — isochronous control, maintains frequency to within ±0.25% from no load to full load.
  • Full load acceptance of standby nameplate rating in one step (NFPA 110, para 5-13.2.6).
  • Heavy-duty, 4-cycle, direct injection, turbocharged, EGR, EPA Tier 4 Final certified, Isuzu diesel engine.
  • Fuel/water separator removes condensation from fuel for extended engine life. Panel mounted alarm light included.
  • Internal fuel tank with direct reading of fuel gauge.
  • Spill containment — Bunded design protects environment by capturing up to 124% of engine fluids.
  • Sound-attenuated, weather-resistant, steel housing.
  • E-coat and powder coat paint provides durability and weather protection.
  • Fully lockable enclosure allows safe unattended operation.


DCA25SSIU4F Spec Sheet


  • TRLR25US
  • TRLR75XF2 (with 100 gallon fuel cell, requires a mounting kit)

OPTIONS (Order with Generator)

  • Audible Alarm
  • 3A Battery Charger
  • Battery Disconnect Switch
  • Camlock Connections (Single Set)
  • Cold Weather Block Heater
  • Emergency Stop Button
  • External Fuel Three-Way Manual Fuel Valve
  • External Fuel Three-Way Automatic Fuel Valve
  • Fire Extinguisher - 5 lbs. with bracket
  • Low Coolant Shutdown
Standby Power:
22 kW / 27.5 kVA at 3PH, 15.8 kW at 1PH
Prime Power:
20 kW / 25 kVA at 3PH, 14.4 kW at 1PH
Amperage - 3 Phase:
60A @ 240V, 30A @ 480V
Amperage - 1 Phase:
55.6A @ 120V, 27.8A@ 240V
Voltage Selector Switch at 3PH 139/240V:
120/208, 127/220, 139/240V
Voltage Selector Switch at 3PH 277/480V:
240/416, 254/440, 277/480V
Voltage Selector Switch at 1PH 120/240V:
Voltage Regulation:
Frequency / Regulation:
60 Hz / 0.25%
Power Factor:
0.8 (3PH), 1.0 (1PH)
Armature Connection:
Star with neutral (3PH) / Zigzag (1PH)
Revolving field, Self-ventilated, Drip-proof, Single bearing, Brushless with AVR, 1800 rpm
Receptacles (Single Phase):
2 - 20A 120V GFCI Duplex (5-20), 2 - 50A 240V Twistlock (CS6369)
Sound Level:
65 dBA
Isuzu4LE2T, 4-cylinder, 4-cycle, Water-cooled, Direct Injection, Turbocharged, EGR
Engine Starting System:
1 - 12V 53Ah
Fuel / Tank Capacity:
Diesel / 41.7 gallons
Fuel Consumption:
1.62 gph @ full load, 0.94 gph @ half load
EPA Tier 4 Final
Dimensions LxWxH (inches):
72 x 32 x 50
Approximate Dry Weight:
1797 lb.
Engine Warranty:
12 months / unlimited hours (or) 60 months / 5000 hours
Generator Warranty:
24 months / 2000 hours
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