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WhisperWatt DCA36SPX Diesel generator


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Prime Rating: 36 kW (36 kVA)
Standby Rating: 40 kW (40 kVA)
60 Hertz

WhisperWatt DCA36SPX drawing



Performance Data
Prime Rating 36 kW
Standby Rating 40 kW
Generator RPM 1800
Voltage - Single Phase 120/240 V
Generator Design Revolving field, Self-ventilated, Drip-proof, Single bearing
Voltage Regulation (No Load to Full Load) ±0.5%
Power Factor 1.0
Armature Connection Series
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.) 65 dB(A)
Notice: Features and equipment specifications are subject to change without notice.


WhisperWatt DCA36SPX drawing


Standard Features:


Optional Generator Features:


Optional Control Features:


Optional Fuel Cell Features:


Generator Specifications
Design Revolving field, self ventilated, drip-proof, single bearing
Excitation Brushless with AVR
Standby Output 40 KW (40 KVA)
Prime Output 36 KW (36 KVA)
Rated Voltage 120/240V
Power Factor 1.0
Voltage Regulation ±0.5%
Generator RPM 1800
Frequency 60 Hz
Number of Poles 4

Frequency Regulation:

Steady State

±0.25% of mean value for constant loads from no load to full load.
Insulation Class H
Sound Level dB(A) 65
Dry Weight 2,315 lbs. (1,050 kg)
Wet Weight 2,557 lbs. (1,160 kg)


Engine Specifications
Make Isuzu
Model BB-4JJ1T
Emissions EPA Interim Tier 4 Certified
Starting system Electric
Design 4-cycle, water cooled, Direct injection, turbocharged
Displacement 2,999cc
No. cylinders 4
Bore 95.4 mm
Stroke 104.9 mm
Gross Engine Power Output 67.1 hp (50kW)
BMEP 136 psi (940 kPa)
Piston Speed 1237 ft./min.
Compression Ratio 17.5:1
Engine Speed 1800 rpm
Overspeed Limit 2100 rpm
Oil Capacity 3.96 gal (15 L)
Battery 12V 72Ah x 1


Fuel System
Fuel Tank Capacity 26.5 gal (100.0 L)
Diesel Fuel at % of Load gal/hr (L/hr)
100% 2.8 (10.6)
75% 2.1 (8.0)
50% 1.5 (5.6)
25% 0.9 (3.4)


Rated Voltage Max Amps
120V 150 X 2
240V 150
Main Line Circuit Breaker Rating 150 Amps



Isuzu Engine:
12 months from date of purchase with unlimited hours or 24 months
from date of purchase with 2000 hours (whichever occurs 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 DCA36SPX Spec Sheet


DCA36SPX operators manual