DCA800SSK
WhisperWatt
TM
Generator
Specifications
Warranty*
Komatsu Engine
12 months from date of purchase or 1000 hours (whichever occurs
first).
Generator
24 months from date of purchase or 2000 hours (whichever occurs
first).
Trailer
12 months excluding normal wear items.
*Refer to the express written, one-year limited warranty sheet for additional
information.
Generator Specifications
Design
Revolving field, self-ventilated, drip-proof,
Single bearing
No. of Poles
4-pole
Excitation
Brushless with AVR
Standby Output
704 KW (880 KVA)
Prime Output
640 KW (800 KVA)
Generator RPM
1800
Voltage — 3Ø
208, 220, 240, 416, 440, 480V Reconnectable
Voltage — 1Ø
120, 127, 139, 240, 254, 277V Adjustable
Armature Connection
Star with neutral
Voltage Regulation
(No load to full load)
±0.5%
Power Factor
0.8
Frequency
60 Hz
Frequency Regulation:
No Load to Full Load
Isochronous under varying loads from no load
to 100% rated 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)
Full load at 23 feet
73
Engine Specifications
Make / Model
Komatsu / SAA6D170E-3
Emissions
EPA Tier 2 Certified
Starting System
Electric
Design
4-cycle, water-cooled
Direct Injection, Turbocharged,
Air-to-air Intercooled
Displacement
23150 cc
No. cylinders
6
Bore x Stroke (mm)
170 x 170
Gross Engine Power Output
1220 hp (909.7 kW)
BMEP
361 psi (2487 kPa)
Piston Speed
2008 ft./min. (10.2 m/s)
Compression Ratio
16.1 : 1
Engine Speed
1800 rpm
Overspeed Limit
2100 rpm
Oil capacity gallons (liters)
37.2 (141.0)
Battery
12V 200 Ah x 4 (24V system)
Fuel System
Maximum Fuel Flow (per hour)
196 gallons (740 liters)
Maximum Inlet Restriction (Hg)
4 in. (101.6 mm)
Fuel Tank Capacity
129.5 gallons (490 liters)
Fuel Consumption
gph
lph
full load
41.3
156.5
75% load
30.8
116.4
50% load
22.6
85.9
25% load
14.5
54.9
Cooling System
Fan Load
49.3 hp (36.8 kW)
Coolant Capacity (with radiator)
40.4 gallons (153.0 liters)
Coolant Flow Rate (per minute)
180 gallons (680 liters)
Heat Rejection to Coolant (per minute)
15277 Btu (16.1 MJ)
Heat Radiated to Engine (per minute)
6700 Btu (6.4 MJ)
Maximum Coolant Friction Head
18.6 psi (265 kPa)
Maximum Coolant Static Head
886 ft (27 meters)
Ambient Temperature Rating
104°F (40°C)
Air
Combustion Air
2350 cfm (66 m
3
/min)
Maximum Air Cleaner Restriction
30.1 in. H
2
O (7.5 kPa)
Alternator Cooling Air
3023 cfm (86 m
3
/min)
Radiator Cooling Air
19423 cfm (505 m
3
/min)
Amperage
Rated Voltage
Maximum Amps
1Ø 120 Volt
1777.8 Amps (4 wire)
1Ø 240 Volt
888.9 Amps (4 wire)
3Ø 240 Volt
1924.6 Amps
3Ø 480 Volt
962.3 Amps
Main Line Circuit Breaker Rating
2500 Amps
Over Current Relay Trip Set Point
960 Amps
Exhaust System
Gas Flow (full load)
2435 cfm (69 m
3
/min)
Gas Temperature
842°F (450°C)
Maximum Back Pressure
56 in. H
2
O (14 kPa)
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.
DCA800SSK2 Rev 8
