NHTSA ID Number: 10126517
Manufacturer Communication Number: GCI-A0064-01
TSB/Document Date: 2017-12-22
Summary
GENERAL CONSUMER INFORMATION PERTAINING TO A SPECIFICATIONS SHEET FOR A CUMMINGS ONAN
RV GENERATOR
Specification sheet
RV generator set
TM
Quiet Gasoline
Series RV QG
2800
Features and benefits
Weight, size and sound level
• Microprocessor control with diagnostics and
lightweight, compact design.
• Gasoline or LP fueled.
• Quietest generator sets of their size.
• Easy maintenance with single-side service.
• Completely enclosed with muffler, quick and
easy to install.
• 3-year limited warranty.
• Low fuel consumption.
Weight: 125 lbs (57 kg)
Size:
Length 22 in (560 mm), width 16.3 in
(415 mm), height 12.8 in (325 mm)
Sound: 70 dB(A) readings at 10 ft (3 m) half load
• Meets National Park Service sound level requirements
(60 dB(A) @ 50 ft) for use in national parks.
• Typical installation will further reduce sound level.
Models and ratings
Model
2.8HGJBB-1120A
2.8HGJBB-1124A
2.3HGJBB-1122A
2.5HGJBB-1121A
2.0HGJBB-1123A
Fuel
Gasoline
Gasoline
Gasoline
LP vapor
LPvapor
Hz
60
60
50
60
50
RPM
3600
3600
3000
3600
3000
Watts
2800
2800
2300
2500
2000
Voltage
120
100
230
120
230
Amps
23.3
28
10
20.8
8.7
Phase
1
1
1
1
1
Circuit
breaker
25A
30A
10A
21A
10A
Ambient conditions for rated power output with muffler and RV enclosure, per ISO 8528-1:
- Temperature: 77° F (25° C)
- Altitude: 500 ft (152.4 m), (99 kPa dry)
Typical power output change based on ambient conditions:
- Temperature: Power output decreases 1% for every 10° F (5.5° C) increase
- Altitude: Power output decreases 3.5% for every 1000 ft (305 m) increase
Ratings represent minimums. Actual peak performance may be significantly higher (between 5-7%) based on installation
and operating conditions.
Operating temperature range
Gasoline
LP
Low
-20° F (-29° C)
0° F (-18° C)
High
120° F (49° C)
120° F (49° C)
- Depends upon LP tank capacity, surface area and butane content of LPG.
Performance you rely on.
TM
©2012 Cummins Power Generation Inc. | NAS-5501-EN (7/12)
Standard features
Engine details
• Cummins Onan sound-attenuating enclosure
• Focalized mounting system with vibration isolators
• Cross-flow cooling
• Sheet steel drip controlling base
• Enclosed muffler
• Integral USDA Forest Service approved spark arrestor
muffler
• Adjustable mechanical governor
• Automatic choke
• Overhead cam
• Single-side service
• Low oil level shutdown
• Electric fuel pump (gasoline); electric solenoid (LP)
• Mounted control panel
• Sealed remote start connector
• Electric start
• Fused DC circuits to protect set wiring and remote
control wiring
• Magnetic circuit breaker
• 50 in (1.3 m) generator set output leads
• Solid-state ignition
• Standard onboard diagnostic capability
Model: EX 21
Design: 4-cycle, single cylinder, OHC
3
3
Displacement: 13.2 in (217 cm )
Compression ratio: 8.5:1
Power: 7.0 bhp (max) at 3600 r/min
Cooling: Pressurized air
Cooling air volume: Includes engine cooling air
volume
3
3
60 Hz: 300 ft /m (8.5 m /min) at 3600 r/min
3
3
50 Hz: 250 ft /m (7.1 m /min) at 3000 r/min
Fuel system: (Gasoline) electric fuel pump, fuel lift 3 ft
(914 mm); (LP) electric fuel solenoid; automatic choke
Combustion air:
3
3
60 Hz: 12.5 ft /m (0.35 m /min) at 3600 r/min
3
3
50 Hz: 10.4 ft /m (0.3 m /min) at 3000 r/min
Ignition system: Breakerless, electronic
Starting system: Remote, 12 V, 3-wire negative
ground; start-stop rocker switch on control; connector for
remote start cable
Lubrication: Splash lubrication
Oil capacity: 0.6 qt (0.63 L)
Cylinder crankcase: Alloy aluminum with iron cylinder
liner cast into the block
Oil base: Aluminum
Cylinder head: Alloy aluminum, removable
Average fuel consumption
Gasoline
60 Hz
50
No load
0.2 Gal/h (0.8 L/h)
0.2 Gal/h (0.6 L/h)
Half load
0.4 Gal/h (1.3 L/h)
0.3 Gal/h (1.1 L/h)
Full load
0.5 Gal/h (1.7 L/h)
0.4 Gal/h (1.4 L/h)
LPG
60 Hz
50 Hz
No load
0.3 Gal/h (1.2 lb/h) 0.6 kg/h
0.2 Gal/h (1.0 lb/h) 0.4 kg/h
Half load
0.4 Gal/h (1.6 lb/h) 0.7 kg/h
0.3 Gal/h (1.3 lb/h) 0.6 kg/h
Full load
0.6 Gal/h (2.3 lb/h) 1.0 kg/h
0.4 Gal/h (1.8 lb/h) 0.8 kg/h
Alternator details
Generator set performance
Design: Cummins 2-pole revolving field, self-excited,
electronically regulated, 1 phase, direct drive
Insulation system and temperature rise: Class H
insulation system meets ANSI/RVIA EGS-1 standards
and CSA TIL RV-06 temperature requirements
Cooling: Direct drive centrifugal blower
Rotor: Laminated electrical steel assembly press-fitted
to shaft, balanced, heavy insulated copper wire
windings, copper damper circuit for excellent waveform
Stator: Laminated electrical steel assembly; heavy
insulated copper wire windings
Voltage regulator: Electronic
DC brushes: Electrographite
Air conditioner operation:
2.8kW generator set will start and run one 13500 Btu high
efficiency air conditioner(15.5 Amps or less) plus 600 watt
base load with an additional 300 watts of power available.
2.5kW generator set will start and run one 13500 Btu high
efficiency air conditioner (15.5 Amps or less) plus a 600
watt base load with no additional watts of power available.
2.0kW generator set will start and run one 7800 Btu high
efficiency air conditioner(5.5 Amps or less) plus 600 watt
base load with an additional 100 watts of power available.
Voltage regulation: Exceeds requirements of
ANSI/RVIA EGS-1 ±10%
Frequency regulation: Exceeds requirements of
ANSI/RVIA EGS-1 ± 5%
Note: See your Cummins Onan distributor or certified Cummins Onan
service dealer for a listing of approved air conditioners.
Performance you rely on.
TM
©2012 Cummins Power Generation Inc. | NAS-5501-EN (7/12)
Basic dimensions
Dimensions in (mm)
Note: This outline drawing is provided for general reference only and is not intended for design or installation. For more information see
Operation and Installation manuals or obtain drawing and wiring diagram from your distributor/dealer.
Accessories
• Exhaust kit elbow 90 degree (P/N A041H694)
• Exhaust kit downtube (P/N A041L816)
• Display shell gasoline (P/N A041Y359)
• Display shell LP (P/N A041Y361)
• Under floor mounting kit (P/N A042W103)
• Retro adapter from KV (P/N A043F937)
• Remote start/stop rocker switch (P/N 300-5331)
• Remote control with start/stop switch and running
time meter (P/N 300-5332)
• Remote control with start/stop switch and DC
voltmeter (P/N 300-5333)
Performance you rely on.
TM
©2012 Cummins Power Generation Inc. | NAS-5501-EN (7/12)
• Remote control plug and wire harness 10 ft (P/N 3383489-01), 30 ft (P/N 338-3489-02)
°
°
• Battery, 12 V, 360 cold cranking amps at 0 F (-18 C)
• Energy Command 30 auto generator start (P/N 01802030)
• Energy Command 20 remote start/stop with
diagnostics (P/N 018-02020)
• Energy Command 30W wireless auto generator start
(P/N 018-03000)
• Energy Command Y harness (P/N 044-00087)
Testing for RV application
After sale support
• Tested at extremes of temperature -20 °F (-29 °C) to
120 °F (49 °C) for starting and operation
• Tested with RV loads, air conditioners, microwaves,
converter, TVs, VCRs
• Tested installed; Cummins owned RVs used for
product development testing
• Tested in high humidity conditions
• Tested in salt spray conditions
• Tested in heavy airborne dust conditions
• Field test program
• 60 Hz (120 V only) models listed by SGS United States
Testing Company, Inc. per ANSI/RVIA EGS-1 and
CSA-certified per Std. 100 Motors and Generators and
TIL RV-06.
• This generator set was designed and manufactured in
facilities certified to ISO 9001
• 60 Hz models meet applicable U.S. EPA and California
emissions standards
• 50 Hz models are CE certified
Complete line of parts and accessories
Cummins Inc offers replacement and tune-up parts,
accessories, oil and maintenance chemicals - all
specially designed to help
keep your Cummins Onan
generator set running at
peak performance. Cummins
Inc. also provides genuine
Onan Green Label Parts™
that exactly match generator
set specifications and will
help maximize power output
and extend the life of your
generator set.
Warranty policy
This limited warranty covers virtually everything except
routine maintenance for the first two years you own your
RV generator set, and covers parts and labor on major
power train and generator set parts during the third year.
In addition, it also includes a free 90-day adjustment
policy, which provides that Cummins Inc. will make
minor adjustments during the first three months you own
it - free of charge! Please note: This 3-year limited
warranty applies to RV generator sets used in RV
applications only, and does not apply to RV generator
sets used in commercial mobile applications.
!
!
Do not use this generator set on a
boat. Such use may violate U.S.
Coast Guard regulations, and can
result in severe personal injury or
death from fire, explosion,
electrocution, or carbon
monoxide poisoning.
Back feed to a utility system can
cause electrocution and/or
property damage. Do not connect
to any building electrical except
through an approved device or
after building main breaker is
open.
Largest distributor/dealer support network
Cummins Onan generator sets are supported by the
largest and best trained worldwide certified
distributor/dealer network in the industry. This network
of knowledgeable Cummins Onan distributor/dealers will
help you select and install the right generator set and
accessories to meet the requirements of your specific
application. This same network offers a complete
selection of commonly used generator set maintenance
parts, accessories and products plus manuals and
specification sheets. Plus, they can answer your
questions regarding proper operation, maintenance
schedules and more.
Manuals: Operation and installation manuals ship with
the generator set. To obtain additional copies or other
manuals for this model, see your Cummins Onan
distributor/dealer and request the following manual
numbers: Operation (A031C171), Installation
(A031C172), Parts (A035B506), Service (A031C173).
To easily locate the nearest Cummins Onan
distributor/dealer in your area, or for more information,
contact us at 1-800-888-6626 (or 763-574-5000), or visit
www.cumminsonan.com.
Contact your distributor/dealer for more information.
Cummins Power Generation
1400 73rd Ave. NE
Minneapolis, MN 55432 USA
Phone 1 763 574 5000
Toll-free 1 800 888 6626
Fax 1 763 574 5298
Email www.cumminsonan.com/contact
Performance you rely on.
TM
©2012 Cummins Power Generation Inc. All rights reserved.
Cummins®, Onan®, the "C" logo, Performance you rely on.™ and Quiet Diesel™are servicemarks, trademarks and/or registered
trademarks of Cummins Inc. Other company, product, or service names may be trademarks or service marks of others.
Specifications are subject to change without notice.
NAS-5501-EN (7/12)
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TSB/Document ID: GCI-A0064-01
Replacement Service Bulletin Number:
MFR Communication Date: 2017-01-26
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
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