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MQ Whisperwatt DCA125SSI Generator (110kW)

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5,291.00 LBS

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The MQ Power Whisperwatt DCA125SSIU4F mobile diesel generator offers up to 110 kW of power at 66 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.
  • ECU835 microprocessor-based digital generator controller with remote 2-wire start/stop control, operational temperature range of -40° to 85° C, high visibility LCD display with heated screen and alphanumeric readout.
  • Analog generator instrumentation including AC ammeter, AC voltmeter, frequency meter, ammeter phase selector switch, voltmeter phase selector switch, and voltage regulator adjustment potentiometer.
  • Digital engine gauges including oil pressure, water temperature, battery volts, engine speed, and fuel level.
  • Automatic safety shutdown system monitors water temperature, engine oil pressure, overspeed, and overcrank; warning lights indicate abnormal conditions.
  • Main line circuit breaker with 300A rating.
  • Fully covered power panel with three-phase terminals and single phase receptacles for 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 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, charge air cooled, EGR, DOC, SCR, EPA Tier 4 Final certified, Isuzu diesel engine.
  • Crankcase vent heater.
  • Fuel/water separator removes condensation from fuel for extended engine life; panel mounted alarm light included.
  • Integrated fuel tank with direct reading fuel gauges.
  • Spill Containment - Bunded design protects environment by capturing up to 128% 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.


DCS125SSI Spec Sheet


  • TRLR125USH/E (see Accessories Tab for more information)

OPTIONS (Order with Generator)

  • Audible Alarm.
  • 3A Battery Charger.
  • Battety 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 - 20 lbs. with bracket
  • Low Coolant Shutdown.
  • Parallel Controls (Brochure).
Standby Power:
110 kW / 137.5 kVA at 3PH, 79 kW at 1PH
Prime Power:
100 kW / 125 kVA at 3PH, 72 kW at 1PH
Amperage - 3 Phase:
300A @ 240V, 150A @ 480V
Amperage - 1 Phase:
277.8A (4 wire) / 300A x 2 (zigzag) @ 120V, 138.9 (4 wire) / 300A (zigzag) @ 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 / Zigzag
4-pole, Revolving field, Self-ventilated, Drip-proof, Single bearing, Brushless with AVR, 1800 rpm
Receptacles (Single Phase):
2 - 20A 120V GFCI Duplex (5-20), 3 - 50A 240/120V Twistlock (CS6369)
Sound Level:
66 dBA
Isuzu BR-4HK1X, 4-cylinder, 4-cycle, Water-cooled, Direct Injection, Turbocharged, Charged Air Cooled EGR, DOC, SCR
Engine Starting System:
1 - 12V 150Ah
Fuel / Tank Capacity:
Diesel / 169 gallons
Fuel Consumption:
7.11 gph @ full load, 4.1 gph @ half load
EPA Tier 4 Final
Dimensions LxWxH (inches):
121 x 49 x 73
Approximate Weight:
5291 lb.
Engine Warranty:
12 months / unlimited hours (or) 60 months / 5000 hours
Generator Warranty:
24 months / 2000 hours
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