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Description
Zoom on the Yamaha EF5500D
In a nutshell, the Yamaha EF5500D is a portable generator mostly geared towards:
- RV travellers who wish to upgrade their experience to another level
- Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
- Professionals in need of safely powering high-intensity work or lighting equipment
In the following paragraphs, we shall explore the power characteristics, available outlets, portability and any additional features of the device, along with its emission compliance parameters.
Power & Run Time
The Yamaha EF5500D
The Yamaha EF5500D is powered by a 358 cc Yamaha MZ360 OHV 4-stroke engine. It delivers 120/240V, runs on gasoline and offers a running wattage of 4500W as well as a peak wattage of 5500W.
At a noise rating of 74.1 dBA (just slightly more noisy than a vacuum cleaner), the generator offers the possibility to start the device via a simple traditional pull-start mechanism.
Thanks to a fuel capacity of 6.9 gallons, the EF5500D can operate for around 13.5 hours at 50% load with a full tank (fuel consumption around 0.51 GPH).
- For camping/tailgating: 1 toaster oven, 1 rice cooker, 1 coffee maker, 1 blender, 1 DVD player, 1 slow cooker, 1 satelite receiver and 1 inflator pump
- At home: 1 vacuum cleaner, 1 toaster oven, 1 waffle iron, 1 dish washer and 1 cell phone charger
- For work: 1 concrete vibrator (1 hp), 1 work light, 1 drill, 1 drain cleaner, 1 electric fence (25 miles) and 1 bug zapper
Outlets
The control panel features the upcoming 6 AC outlets:
This Yamaha generator isn't quite RV Ready, but it features an L5-30R receptacle, allowing a simple RV connection through an L5-30P to TT-30R adaptor. Besides, due to the featured twist-lock L14-30R receptacle, the EF5500D is transfer switch ready: you may connect it to a breaker box to power your household during a power outage.
Portability
With its dimensions of L21.9 x W29 x H31.5 in, the conventional, open frame design of the Yamaha EF5500D offers stability and allows the generator to be raised above ground level. The featured design is ideal for the outdoors and all tough environments.
Even though this device may be technically portable (as in movable), manipulation and transportation without special equipment can be a challenge, as it weighs 221.7 pounds. Never less, it can still be moved quite conveniently with the help of a wheel kit and a folding handle, once it is placed on the ground.
A lift hook, which is on the top of the frame, serves as an extra safety feature for the transport, unloading and loading of the device.
Features
The EF5500D's control panel
To help you monitor the EF5500D's status and activity, its control panel is equipped with an illuminated data center, giving you information on the lifetime run hours and voltage output.
In addition to this info, a light indicator allows you to instantly see if its oil levels are insufficient.
The fuel level of the generator can be determined quickly, easily, and conveniently with the help of its built-in fuel gauge.
Security-wise, this product benefits from an automatic low oil shut-off (Oil Watch system) and an overload protection (circuit breaker), which gives you a complete peace of mind when using it.
Yamaha's Oil Watch warning system gives you an extra peace of mind. This feature enhances long-term durability by preventing engine damage and costly repairs. Once the oil begins to run low, the generator automatically shuts off and cannot be re-started until oil is added.
Besides the usual set of documentation and user manual to get you promptly started, Yamaha also included a tool kit in the EF5500D's packaging.
Emissions
The Yamaha EF5500D is EPA-approved and CARB-compliant. Thus, selling and purchasing this generator is allowed in each of the 50 states, including California.
Moreover, it features a spark arrestor, so it is adequate for use in forested areas.
Product Video
The Yamaha EF5500D versus other generators
The following charts are provided to give you an idea of how some of the key specs of the Yamaha EF5500D compare to generators of similar power (between 4000 and 5000 W).
- As its dry weight is 221.7 pounds, the Yamaha EF5500D is one of the heavier of the products which can generate 4000 to 5000 running watts. If weight is your top priority, one of the champions in this power category is the Pulsar PG5250, weighing just 99.5 pounds.
- Among the generators of a comparable running wattage, this generator with a lowest noise of 74.1 dBA can be judged as noisy. If noise emissions are one of your priorities, you may be interested in the Yamaha EF4500iSE, one of the least noisy generators similarly powerful as this one, rated for 58 dBA.
- The EF5500D provides a higher run time than similarly powerful devices, reaching 13.5 hours at 50% load. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Dewalt DXGN4500, reaching 15 hours.
- Run times are important, yet thanks to their dependence on the fuel capacity, they should be judged along with the fuel consumption of the device. Standing at an estimated 0.51 GPH (gallon per hour) at a 50% load, this generator is somewhat average in this area compared to other devices, within the aforementioned wattage range. If not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Pulsar PG5250B. With a fuel consumption of as little as 0.33 GPH, it is one of the most efficient generators currently on the market.
Price comparison
As you can see from this dynamic chart, when compared to other 4000-5000W generators, the Yamaha EF5500D is on the average side of the price range.
Therefore, this generator nicely fits in the expected budget for this kind of product.
The bottom line
- In the expected price range
- High run time
- Decent fuel efficiency
- No electric start
- On the heavy side (221.7 lbs)
- On the noisy side (74.1 dBA)
Where to buy the Yamaha EF5500D?
Amazon 
eBay | Price history for the Yamaha EF5500D | |
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Features and Specifications
General
| Inverter | No |
|---|---|
| Portable | Yes |
| Parallel capable | No |
| RV ready | No |
| Fuel | Gasoline |
| Engine | 358 cc Yamaha MZ360 OHV 4-stroke |
| Starting system | Recoil |
Power
| Voltage | AC: 120/240V 60 Hz |
|---|---|
| Running watts | 4500 W |
| Starting watts | 5500 W |
| Running amps (@120/240V) | 37.5/18.8 amps |
| Peaks amps (@120/240V) | 45.8/22.9 amps |
| Run time @50% load | 13.5 h |
| Run time @25% load | N/A |
Features
| GFCI outlets | Yes |
|---|---|
| Covered outlets | No |
| Automatic Voltage Regulation | No |
| AC outlets | 2x Duplex 120V 20A (5-20R) GFCI 1x 120V 30A (L5-30R) 1x 120/240V 30A (L14-30R) |
| DC outlets | No |
| Data center | Lifetime run hours |
| Indicators | Low oil |
| Fuel tank | Metal, 6.9 gal |
| Fuel gauge | Yes |
Misc
| Weight | 221.7 lbs |
|---|---|
| Dimensions (L x W x H) | 21.9 x 29 x 31.5 in |
| Noise (lower limit) | 74.1 dBA |
| THD | N/A |
| Emissions | CARB, EPA |
| Security | Low oil and overload protection |
| Spark arrestor | Yes |
| Neutral | Bonded to frame |
| Accessories included | Tool kit |
| Warranty | 3 years |
Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.
About Yamaha
With a rich history of over 130 years, the Japanese based Yamaha Corporation, founded in 1887, has tipped its fingers in every industry imaginable, most notably motorcycles, musical instruments and electronics. The company boasts with a wide range of products, including many of the top rated portable generators. However, it has been reported that many of the newer models are made in China, rather than Japan.
Warranty Information
The Yamaha EF5500D is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Yamaha generators, please consult Yamaha's warranty policies. Alternatively, you can also contact their Customer Support: 1-800-962-7926.
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