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 Onan Logo  2.8 HGJBB1120
Gasoline, Onan RV Generator, 2,800 watts (2.8 kW) to 7,000 watts (7 kW). 60 Hertz. 1 Phase - Gasoline engines from Onan.
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 Marquis Gold Series, 2.8 kW (2.8 kVA) 60 Hz, SKU ONRV-003G101, Model 2.8 HGJBB1120  ONRV-003G101 (146)
 Onan GH200, single phase, gasoline fueled, air cooled, 3600 RPM, electric start,W/MUFFLER, 120 VAC Category: RV   Status: RV Gasoline
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Available in 5 days FEDEX Ground Freight 2,825.00 504.30 $2,320.70

Instructions and Notes: The model shown is the most common model. For other models, voltages or frequencies please call for a quote.
<-- To get a Freight Estimate, select the options and quantity below and CLICK this button. This product sold on GSA Contract: GS-07F-5964R
 Product Prices & Options   Select options for this product using the drop down windows. Prices will update immediately. Check here to purchase option only
Remote Control Panels
Remote Control Harnesses
Exhaust Kits
Exhaust Tubing
Tailpipe Exhaust Hangers
Wiring Components
Included Equipment: Generator engine and alternator on a platform with cabinet cover, power and remote control connection points, oil drain cock, mechanical governor, 25 circuit breaker, residential muffler (enclosed models), industrial muffler (open models), rubber isolators, 12 volt electric starter, air filter, owners manual and warranty. Other options are NOT included please purchase the options from the option lists.
>>> To find the specifications on this product including engine/alternator data, cooling, RPM, emissions, HP, Cylinders, displacement, amperages, mount details, tank sizes, fuel consumption and run times, tank run time calculator, dimensions, three phase to single phase conversion, 50 hz conversions, de-rate calculations, warranty, startup requirements, receptacles and more, CLICK on the OPEN SPECIFICATION WINDOW button below.
 Detailed Description
SKU ONRV-003G101:  
The Onan Model 2.8 HGJBB1120 is a Marquis Gold Series generator with 2.8 kW (2.8 kVA) 60 Hz, of maximum output. These industrial generators are suitable for prime power and standby use. When you need the dependability of an industrial grade generator, with all the features you need, the Marquis Gold Series is for you. Available in several models, these models are competitively priced to deliver the performance and value found only on more expensive competitors models.

Onan generators are designed for many applications where power is needed. Onan generators are manufactured to commercial specifications using the latest manufacturing technologies. All models are built with the quality and reliability you would expect from a leading generator manufacturer.

Onan brush type alternator used on this model are manufactured to exacting specifications using the latest mass production methods. Onan generators use technology to control the voltage with a voltage variation less than 3% throughout the entire power range. That means you can use this generator with computers and sensitive electronics, safely, with no sacrifice in performance.

This model features a premium Onan model GH200, 1 cylinder, 7 HP, gasoline fueled, air cooled engine with electric start. > Also Available Select an Engine GX630, EPA Tier 4iThis model runs at 3600 RPM and generates 2.8 kW (2.8 kVA) 60 Hz, of Standby (emergency or maximum) power and 2.52 kW prime (continuous) power at a primary voltage of 120 VAC, single phase, 60 Hertz, with 10% voltage accuracy.

In the opened specification window you can find conversions for metric measurements, single phase deration of three phase units, derating calculations for elevation and temperature as well as fuel consumption and total run time by tank size. Click the Open Specification Window button to see these utilities and additional information.

Enclosed dimensions are 24" Long X 16.5" Wide X 12.3" High. Enclosed weight is 113 lbs. Enclosed quietness is 58 db at 7 meters.

This product has a factory warranty of 36 months Please see model notes below.

Other Requirements or Options: If you do not find the options you need in the drop down option windows above or if you have other requirements, please call us and tell us what you require. If your needed option is not available we have many other brands that may provide the options you need or we will have a generator custom made if necessary. Please contact us at (707) 542-2224 or write

CLICK > Open Specification Window on the blue bar immediately above to see detailed specifications on this product. A window will fold down.
Accessories available for this model are shown in Product Options above. Select an option in the drop down windows and the price will be recalculated automatically.
Additional Information on this product is available on buttons and links at the bottom of this page.
Transfer Switches shown on in Product Options (above) are matched to this generator. For details about transfer switches go to the Additional Information area below.

Please see our extensive educational area on the left side blue column of this screen under the Information sign.

Model Notes: Models tested to start and run from -20 F (29 C) to 120 F (49 C). Gasoline models will lift fuel 3' (914mm).

Standard Features
Marquis Gold Series, 2.8 kW (2.8 kVA) 60 Hz, SKU ONRV-003G101, Model 2.8 HGJBB1120
Sound Attenuating EnclosureSingle-Side ServiceFocalized Mounting System with Vibration Isolators
Low Oil Level ShutdownCross-Flow CoolingElectric Fuel Pump
Sheet Steel Drip Controlling BaseMounted Control PanelEnclosed Muffler
Sealed Remote Start ConnectorUSDA Spark Arresting Muffler AvailableElectric Start
Adjustable Mechanical GovernorFused DC Circuits to Protect Set and Remote Control WiringAutomatic Choke
Magnetic Circuit BreakerOverhead Valve Engine50 inch (1.3m) Generator Output Leads
Solid-state IgnitionEngine Preheat
 Additional Information
RV Transfer SwitchesResidential & Commerical Use of RV GeneratorsRecommended Generator Use & SizingOnan Accessories (large file)
Generator FuelsAbout GeneratorsAbout Transfer Switches

 ASCO Light Duty Transfer SwitchesASCO 300 Series Auto & Manual Transfer SwitchesASCO 300 SE Series Auto & Manual Transfer SwitchesASCO 4000 Series Bypass Transfer Switches 

To see a list of generators in each category CLICK on these links.
All RV, Diesel, Single phase
All RV, Gasoline, Single phase   ~~~   All RV, Gaseous, Single phase
All Commercial Mobile, Diesel, Single phase
All Commercial Mobile, Gasoline, Single phase   ~~~   All Commercial Mobile, Gaseous, Single phase
All Commercial Mobile, GeneratorJoe, Diesel, Single phase   ~~~   All Commercial Mobile, GeneratorJoe, Diesel, Three phase



Call us for information or to order at 707 542-2224 (8 A.M. to 6 P.M. California, Pacific Time) or write

Notice: Specifications, features, controls and other data subject to change, substitution or modification without notice. Some data may be approximate. We recommend that you review the Product Details, Product Brochures and Warranty for this product. Some models require factory startup services to validate warranties. All equipment should be sized, installed, started and maintained by licensed elecrical or generator professionals. All sales of equipment subject to conditions of sale posted on the website at Policy & Warranties, subject to change without notice.

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