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WhisperWatt DCA180SSI Diesel generator


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Prime Rating: 144 kW (180 kVA)
Standby Rating: 158 kW (198 kVA)
60 Hertz

WhisperWatt DCA180SSI drawing



Performance Data
Prime Rating 144 kW 180 kVA
Standby Rating 148 kW 198 kVA
Generator RPM 1800
Voltage - Three Phase 208, 220, 240, 416, 440, 480V Reconnectable
Voltage - Single Phase 120, 127, 139, 240, 254, 277V Adjustable
Generator Design Revolving field, Self-ventilated, Drip-proof, Single bearing
Voltage Regulation (No Load to Full Load) ±0.5 %
Power Factor 0.8
Armature Connection Star with Neutral
Excitation Brushless with AVR
No. Poles 4-pole
Frequency 60 Hz
Frequency Regulation (steady state load) ±0.25 %
Sound Level (Full Load at 23 ft.) 71 dB(A)
Notice: Features and equipment specifications are subject to change without notice.


WhisperWatt DCA180SSI drawing


Standard Features:


Optional Generator Features:


Optional Control Features:


Optional Fuel Cell Features:


Generator Specifications
Design Revolving field, self ventilated, drip-proof, single bearing
Number of Poles 4
Excitation Brushless with AVR
Standby Output 158 KW (198 KVA)
Prime Output 144 KW (180 KVA)
Generator RPM 1800
Voltage - 3Ø 208, 220, 240, 416, 440, 480V Switchable
Voltage - 1Ø 120, 127, 139, 240, 254, 277V Switchable
Armature Connection Star with neutral
Voltage Regulation ±0.5%
Power Factor 0.8
Frequency 60 Hz

Frequency Regulation:

No Load to Full Load

Isochronous under varying load from
no load to 100% load

Frequency Regulation:

Steady State

±0.25% of mean value for constant loads from no load to full load.
Insulation Class F
Sound Level dB(A) 72
Dry Weight 6,373 lbs. (2,890 kg)
Wet Weight 7,211 lbs. (3,270 kg)


Engine Specifications
Make Isuzu
Model 6HK1X
Emissions EPA Tier 3 Certified
Starting system Electric
Design 4-cycle, water cooled, Direct injection, Turbocharged, air-to-air intercooled
Displacement 7,790cc
No. cylinders 6
Bore 115 mm
Stroke 125 mm
Gross Engine Power Output 265 hp (197kW)
BMEP 241 psi (1656 kPa)
Piston Speed 1480 ft./min.
Compression Ratio 17.5:1
Engine Speed 1800 rpm
Overspeed Limit 2100 rpm
Oil Capacity 10.6 gal (40 L)
Battery 12V 100Ah X (24V Systems)


Fuel System
Fuel Tank Capacity 100 gal (380.0 L)
Diesel Fuel at % of Load gal/hr (L/hr)
100% 10.6 (40)
75% 8.0 (30.1)
50% 6.1 (23.1)
25% 3.7 (14.0)


Rated Voltage Max Amps
1Ø 120V 400 (4 wire)
1Ø 240V 200 (4 wire)
3Ø 240V 433 Amps
3Ø 480V 216 Amps
Main Line Circuit Breaker Rating 500 Amps
Over Current Releay Trip Set Point 216 Amps



Isuzu Engine:
12 months from date of purchase with unlimited hours or 24 months
from date of purchase with 2000 hours (whichever comes first).
24 months from date of purchase or 2000 hours (whichever occurs
12 months excluding normal wear items.



Generator is not intended for use in enclosed areas or where free flow of air is restricted.

Backfeed to a utility system can cause electrocution and/or property damage. Do not connect to any building’s electrical system except through an approved device.
Specifications are subject to change without notice.



WhisperWatt DCA180SSI Spec Sheet


DCA180SSI operators manual