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Cummins Onan 70HGJAB900 Generator Review

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From the Quiet Gasoline Series for RVs

For many years, RVers have relied on Cummins Onan RV equipment for their power needs. To ensure RVers can fully appreciate the independence that comes with living in a mobile home, these high-quality goods are built to last.

SUTs, fifth wheels, and Type A, B, and C RVs are all supported by this quiet, reliable power source. Cummins Onan Gasoline generators have the quiet market cornered because of their low vibration levels. For even quieter operation, most come with built-in mufflers.

The primary source of energy is a liquid petroleum gas (LPG). 7000 watts of power. It has enough power to run two air conditioners at once. A genset that is among the quietest in its category. Protection from speeding up or slowing down.

Summary of the Cummins Onan 70HGJAB900 Generator

Features & Specs
A generator set that is the quietest in its class.
An integrated design with an enclosed muffler makes for simple installation and exceptionally low vibration levels.
Troubleshooting is made easier with a self-diagnostic feature.
Has enough juice to run two air conditioners at once.
To maintain voltage stability even when appliance loads change, we use digital voltage regulation.
It can be used with either gasoline or liquefied petroleum gas (LPG).
Weight: 299 pounds (136 kg).
Its length is 853 mm, its width is 563 mm and its height is 16.7 mm (425 mm).
At 50% load, the sound level measured 70 dB(A) at 10 feet (3 m).
For use in national parks, this product meets or exceeds the 60 dB(A) at 50 ft sound level requirement set by the National Park Service.

Do Onan make good generators?

More than 100 years after it was founded by David Onan in 1920, Onan has been a power generation equipment leader and pioneer. Since the first Onan generators hit the market, a lot has changed: products, technology, the marketplace, and of course, the firm itself.

The leading designer and manufacturer of diesel engines for on-highway vehicles, industrial equipment, and power generation, Cummins Engine Company (now Cummins Inc.), bought out Onan Corporation in 1986. Onan's product lines have grown throughout the years, while maintaining their reputation as reliable, innovative, and hard-working.

Currently, Cummins Power Generation manufactures Onan-branded products. Cummins Inc. is the world's largest power generation company.

Recreational vehicles, boats, commercial trucks, and homes all rely on Onan products.

Cummins 40KYFA6747 4000W Gas Generator

Which generator size is sensible for your RV?

Your RV's exact equipment will determine the size of your generator, but the following information will give you a general idea.

Possible Sizes
One AC unit in a Class B van: 2,000 - 3,600 watts.
Class C RV: 2,800 to 4,000 watts with a single air conditioner.
Class A motorhome with two 15,000 BTU AC units: 5500 to 8000 watts.
Class A motorhome with three 15,000 BTU AC units: To a power of 10,000 to 12,500.
It has two air conditioners in the fifth wheel. Power ranges from 5,500 to 7,500 watts.
Please keep in mind that your unique equipment may alter these ranges.

Let's take a closer look at your RV's equipment to figure out what size generator you'll need.

Each appliance and device's power consumption is the first concern. Listed below is a comprehensive guide to the average amount of power used by various household equipment.

Appliances in an RV need a lot of electricity

In many RVs, the most power-hungry item is the air conditioner. 1,200 to 2,400 watts of power are required to run 13,500 to 15,000 BTU air conditioners. AC units can be multiplied in wattage if there are many of them.

ApplianceRequirements
DishwasherFrom 1,200 to 2,400 watts is the range for dishwashers.
Stove900 to 2,500 watts for the stove.
Hair Dryer1,200 to 1,875 watts hair dryer
Ironing Board1,800-1,800 watts
Standard Washer1 to 1.5 kilowatts
Coffe Maker900 to 1,200 watts
Microwave1.500-Watts
Toaster800 to 1,400 Watts
Blender450-700 watts is the recommended range
Television SetThe range is from 43 to 600 watts
Radio Power50 to 200 watts
Gamin ConsoleRanges from 70 to 180 watts
Laptop20 to 50 watts

You should be aware of the big compressors and motors in some appliances before purchasing. When they first start up, they may need more power.

Consideration number two is to look at how the gadgets and equipment are used. For example, it's unlikely that you'd run all of these devices at once. Appliances like toasters and refrigerators have a tendency to run more frequently than others.

Consider the difference between starting and running power as the final factor. For a brief period of time at the start of their operation, several appliances require extra electricity. When they first start up, for example, AC units use a lot of power.

Who is the Cummins Onan 70HGJAB900 Generator for?

Designed for use in motorized recreational vehicles, the Cummins Onan 7.0HGJAB-900 7000-Watt Generator fulfills CARB and EPA Tier 4 Final and Phase IV criteria. All 50 states are included in the regulations.

Designed to power two air conditioners with an additional 3500 watts for lights and other appliances, the Cummins Onan 7000 Generator 7.0HGJAB-900 runs in RV motorhomes of Class A, B, and C as well as motorized cars and light commercial vehicles.

Basic Characteristics
Cummins Onan OHV engine with mechanically adjustable governor.
Pressurized Thru Flow cooling system.
Four-point focalized mounting system with vibration isolators.
Universal mounting tray with structural capability to support the generator set in RV applications; USDA Forest Service-approved spark-arrestor muffler integrated.
Replaceable dry element air cleaner integrated.
Integral control box.
Instant one-touch stop switch.
Elec. ignition switch.
Sound-attenuated housing Remote watertight connector Spin-on, full-flow oil filter.
The generator set output leads are 120 in (3 m) long and have 120 in (3 m) of protection against low power factor field overcurrent.
It is possible to regulate the voltage digitally.

How does the Cummins Onan 70HGJAB900 Generator perform?

Every one of the 50 states' CARB and EPA regulations for gasoline-powered motorized vehicles, including RVs, are met by the Cummins 7000-Watt-Onan Generator. Two single-pole 30-Amp Circuit Breakers and a digital voltage regulator are all part of the Onan package.

There are 120-inch output lines on the Onan 7000, as well as a sealed remote-start connector. Weighing only 299 pounds, this 7.0kW Onan RV Gasoline Generator measures 33.6 inches long, 22.2 inches wide, and 16.7 inches tall.

Go to national parks with the Onan 7000 Generator and not have a problem. To comply with National Park Service noise regulations, the RV QG 7000 Quiet GasolineTM Series Generator Set is quieter than 60 decibels (A) at a distance of 50 feet.

At a distance of ten feet, you can expect a sound pressure level of less than 70 decibels (dB). The Onan 7000 Generator is particularly quiet and smooth thanks to vibration isolation. The USDA Forest Service has certified the spark-arresting muffler encased within the integrated housing and steel foundation.

Diagnostic and troubleshooting functions include low power factor overcurrent, over/under frequency and loss of AC signal, mechanical defects, and starting faults. Microprocessor control.

For maximum efficiency, the Onan 7000-Watt generator set features a replacement air cleaner and automated choke, spin-on oil filter, and electronic fuel pump with positive fuel safety shut-off. 12-volt 3-wire negative ground remote rocker switch starting at the remote panel.

In addition, the Onan 7000-Watt generator provides a 90-day minor adjustment policy as part of its 3-year limited guarantee. In addition, Onan offers a lifetime warranty on its drives.

The Cummins Onan 7000 Generator Manual is included in the box.

Generator Engine Details
Engine Type: Cummins Onan OHV EH65V gasoline engine.
8:1 ratio of compression.
653 cubic centimeters or 39.8 cubic inches.
The most powerful setting: 14.0 bhp (10.5 kW) for gasoline-powered vehicles and 11.6 bhp (7.5 kW) for LP-powered models (8.6 kW).
Centrifugal blower, generator set placed for optimal efficacy, pressurized system, vertical flow.
Engine and generator set control air flow is included in the cooling air volume. at 417 ft3 /min (11.8 million cubic feet per minute) and at 417 ft3/min (11.8 million cubic feet per minute).
Air filter with replaceable dry element in the fuel system.
An electric fuel pump with positive fuel shutoff (3 psi) and fuel lift of 3 ft is used in this side-draft carburetor (0.9 m).
Vacuum pull-off choke with automatic choke: 18.8 feet per minute (0.53 m3 per minute) of combustion air volume at rated load.
The combustion air volume at rated load is 17.5 ft3 /min (0.4 m3 /min) for the (LPG) side-draft mixer with demand regulator.
A magneto ignition system with resistor plugs is used.
Set control has a start-stop rocker switch fitted on the start-stop cable connector for a remote 12-volt 3-wire automobile starter with steel pinion and ring gear.
Negative displacement lube oil pump with spin-on lube oil filter, full-flow lube oil filter with low oil pressure shutoff, and dipstick.
Including the filter, the oil volume is 2.0 quarts (1.9 L).
Crankcase of a cylinder: Combustion chambers made of aluminum alloy and iron cylinder liners formed into the block.

Everything you need to keep your generator running at peak performance

Replacement and maintenance parts, accessories, oil, and chemicals are all available from Cummins Inc. to help keep your Cummins Onan generator functioning at its best.

Genuine Onan Green Label PartsTM from Cummins Inc. are also available, and these parts are designed to meet the exact specifications of your generator set, allowing you to get the most power out of your generator while also extending its lifespan.

An industry-leading distributor and dealer support network is available to help you with your Cummins Onan generator set purchase. Using this network of Cummins Onan distributors and dealers, you will be able to find exactly what you need to satisfy your individual needs.

Generator set maintenance parts, accessories, and goods are all available over the same network as well as manuals and specifications. In addition, they can answer your questions about correct operation, maintenance schedules, and other issues you might have.

Cummins Onan 70HGJAB900 Accessories
(P/N 300-5331) remote start/stop rocker switch.
Start/stop switch and running time meter on a remote control (P/N 300-5332).
300-5333 Remote control with start/stop switch and DC Voltmeter (P/N).
10 ft (P/N 338-3489-01), 30 ft (P/N 338-3489-02) of remote control plug and wire harness.
Battery, 12 V, 360 cold cranking amps at -18 degrees Celsius.
Kit (P/N 148-1161) to convert to LPG vapor fuel.
P/N 405-6699 - Under floor mounting kit.
P/N 539-2057 installation template.
Kits for 22 and 26 inch tailpipes are available (P/N 155-3481-01 and 155-3481-02).
3.0 in. (P/N 155-2610), 7.0 cm. (P/N 155-2424), and 12.50 cm. (P/N 155-2610-01) are the standard lengths for straight exhaust tubes.
EC-30 (P/N 018-02030) energy command auto generator start.
EC-20 (P/N 018-02020) energy command remote start/stop with diagnostics.
EC-15W (P/N 018-02015) energy command wireless start/stop.

Warranty

For the first two years you own your RV generator set, this limited warranty covers practically everything except routine maintenance, and for the third year, it covers parts and labor on major power train and generator set parts.

With this policy, Cummins Inc. will make small adjustments during the first three months of ownership - at no additional cost to you! For RV generator sets used in RV applications, this 3-year limited warranty is only applicable. For commercial mobile applications, this 3-year limited warranty is not applicable.

A recreational vehicle generator set's drive train belt and pulleys are warranted for the life of the generator set. This drivetrain warranty covers both parts and labor for the first owner. This power will be passed on to the next generation of owners.

Final Thoughts

Consider your power requirements when preparing for an outdoor adventure. A tiny portable generator can easily power small appliances like your cellphone, tablet, laptop, television, blender, coffee maker, and fan if you want to go remote tent camping or even camping at a campground.

In order to enjoy the conveniences of home while glamping, consider bringing a larger portable power supply to run appliances like an air conditioner, refrigerator, microwave, and hair dryer.

If you think the Cummins Onan 70HGJAB900 Generator is a good fit for you, then I can vouch for its reliability and durability. It is a high quality generator. 

About Tom Bell

Hey, I’m Tom, the owner of Generator Reviews! I built this website to help you get the very most out of your generator and select the correct one for your personal circumstances. This site contains reviews of virtually every generator, detailed buying guides, as well as maintenance advice to help you keep yours in tip-top shape!

Disclaimer

Generator.Reviews is an independent review business. I am not affiliated with any manufacturers and do not accept paid reviews. When you buy through my links, I may earn a commission which helps me to maintain this website and keep the reviews coming your way!

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