Spec Sheet

©2016 Cummins Inc. | NAS-6168-a-EN (1/16)
power.cummins.com
Product features
Engine
 Natural gas/propane 1800 rpm engine
 Engine air cleaner – normal duty
 Electronic governor, isochronous
 Engine starter, 12 VDC motor
 Shutdown – low oil pressure
 Extension – oil drain
 Engine oil – included
Fuel system
 Single fuel – natural gas or propane vapor, field
selectable
Alternator
 60 Hz, 1 phase, 4 lead, or 3 phase, 12 lead, 120
o
C
temperature rise at 40
o
C ambient
 Exciter/voltage regulator – torque match
Control
 PowerCommand 1.1
 Display language – English
 Control mounting, left facing
Electrical
 Single circuit breaker, UL certified, right-side mounted
 Battery charging alternator, normal duty
 Battery charger – 6 Amp, regulated
Cooling
 Generator set cooling capability – 50
o
C
 Shutdown – low coolant level
 Engine coolant – 50/50 mixture
 Extension – coolant drain
Enclosure
 Aluminum enclosure Sound Level 1 with muffler
installed, sandstone color
 Wind rating – 180 MPH
Code compliance
 UL 2200
 EPA emissions, stationary emergency, 40CFR60
 IBC Seismic
 NFPA110 capable
Generator set application
 Coolant heater
 Crank case vent heater
 Battery rack
 Flexible fuel line
 Literature (English) – operator’s manual, installation
manual
Warranty
 Base warranty – 2 year standby
 Extended warranties available
Packaging
 Shipping pallet
Generator set performance
Governor regulation class:
ISO 8528 Part 1 Class G3
Voltage regulation, no load to full load:
±1.0%
Random voltage variation:
±1.0%
Frequency regulation:
Isochronous
Random frequency variation
: ± 0.25% @ 60 Hz
Radio frequency emissions compliance:
FCC code
Title 47 part 15 Class B
Engine
Design: Naturally aspirated
Bore: 102.1 mm (4.02 in)
Stroke: 119.9 mm (4.72 in)
Displacement: 5.9 liters (359 in
3
)
Cylinder block: Cast iron, in-line 6 cylinder
Battery capacity: 850 amps at ambient temperature of 0
o
F to 32
o
F (-18
o
C to 0
o
C)
Battery charging alternator: 52 amps
Starting voltage: 12 volt, negative ground
Lube oil filter type(s): Spin-on with relief valve
Standard cooling system: 50
o
C (122
o
F) ambient
cooling system
Rated speed: 1800 rpm
Fuel supply pressure
Minimum fuel supply pressure: 1.5 kPa (6.0 in H
2
0)
Maximum fuel supply pressure: 3.5 kPa (14.0 in H
2
0)
Control system
The PowerCommand® electronic control is standard
equipment and provides total generator set system
integration including automatic remote starting/stopping,
precise frequency and voltage regulation, alarm and
status message display, output metering, auto-shutdown
at fault detection and NFPA 110 Level 1 compliance.
Sound attenuated enclosure
The aesthetically appealing enclosure incorporates special
designs that deliver the quietest generator of its kind.
Aluminum material plus durable powder coat paint
provides the best anti-corrosion performance. The
generator set enclosure has been evaluated to withstand
180 MPH wind loads in accordance with ASCE7-10. The
design has hinged doors to provide easy access for
service and maintenance.