Please enable JavaScript for full functionality.

Your browser may not support JavaScript.
If your browser does not support JavaScript, you must upgrade to a newer version. We recommend using Mozilla Firefox 4 or higher or Internet Explorer 8 or higher.

To speak to a customer service representative, call us toll-free at 1-800-341-7027.

Send us a quick message!

WhisperWatt DCA15SPX Diesel generator


Call for guaranteed low pricing and quantity discounts!


Prime Rating — 15 kW (15 kVA)
Standby Rating — 16.5 kW (16.5 kVA)
Single-Phase, 60 Hertz, 1.0 PF

WhisperWatt DCA15SPX drawing


Performance Data
Prime Rating 15 kW
Standby Rating 16.5 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.) 62 dB(A)
Notice: Features and equipment specifications are subject to change without notice.


WhisperWatt DCA15SPX drawing


Standard Features:



Optional Features:


Generator Specifications
Design Revolving field, self ventilated, drip-proof, single bearing
Armature Connection Series
Excitation Solid State, statically excited system
Phase Single Phase (3-wire)
Standby Output 16.5KW (16.5 KVA)
Prime Output 15 KW (15 KVA)
Rated Voltage 120/240V
Power Factor 1.0
Voltage Regulation ±0.5%
Generator RPM 1800
Frequency 60 Hz
Number of Poles 4
Number of Leads 4

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) 62
Dimensions (LxWxH) 61 x 26 x 36 in. (1549 x 660 x 914 mm)
Dry Weight 1,266 lbs. (574 kg)
Wet Weight 1,414 lbs. (642 kg)


Engine Specifications
Make Kubota
Model V2203
Emissions Interim Tier 4 Certified
Starting system Electric
Design 4-cycle, water cooled, Swirl Chamber diesel
Displacement 2,197cc
No. cylinders 4
Bore 3.42 in. (87 mm)
Stroke 3.63 in. (92.4 mm)
Gross Engine Power Output 27.1 hp (20.2kW)
Compression Ratio 22:0
Engine Speed 1800 rpm
Oil Capacity 1.48 gal (5.6 L)
Coolant Capacity 1.85 gal (7.0 L)
Battery 12V 65Ah x 1
Dry Weight 396 lbs. (180kg)
Dimensions (LxWxH) 26.3 x 20 x 25 in. (667 x 507 x 635 mm)


Fuel System
Fuel Tank Capacity 16.4 gal (62.0 L)
Diesel Fuel at % of Load gal/hr (L/hr)
100% 1.37 (5.2)
75% 1.08 (4.1)
50% 0.84 (3.2)
25% 0.63 (2.4)


Rated Voltage Max Amps
120V (UNV Terminals) 62.5 X 2
240V (UNV Terminals) 62.5
120V (GFCI 5-20R Receptacle) 20
120V (L5-30R Receptacle) 30
240V (L6-30R Receptacle) 30
120/240V (CS6369 Receptacle) 50


Kubota Engine:
24 months or 2000 hours from date of purchase (whichever occurs first).
24 months or 2000 hours from date of purchase (whichever occurs first).
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 DCA15SPX Spec Sheet