DuroMax Generators Basic FAQ
What does the term "Hybrid" or "Dual Fuel" mean?
The terms "Hybrid" and "Dual Fuel" on our generators are describing our generators ability to run on both propane or gasoline.
What is the THD for our generators?
DuroMax portable generators produce industry-standard Total Harmonic Distortion (THD) levels suitable for most household devices and appliances. Under normal operating conditions, DuroMax portable generators typically produce:. About 5% THD or less u
What is the difference between the EH and HX series?
Both the EH Series and HX Series generators include DuroMax CO Alert, a built-in carbon monoxide detection system designed to automatically shut down the generator if unsafe CO levels are detected. While both series share core safety features, warran
Where are our generators made?
Our generators will be designed by our engineering team in Ontario, California, and built overseas to our specifications.
Do your electric start generators come with a battery?
All electric-start DuroMax generators include the required 12V starting battery with the unit. To preserve battery charge during shipping and storage, the battery is shipped with the negative terminal disconnected. The battery will need to be connect
Can you convert our dual fuel generators to natural gas?
DuroMax does not offer natural gas conversion kits for generators that were not originally designed for natural gas operation. Generators that are designed to run on natural gas will already include the required components from the factory. Installin
How can I make my generator quieter?
DuroMax generators are equipped with oversized automotive-style mufflers designed to reduce engine noise as much as possible while maintaining proper engine performance. The majority of the sound produced by a generator comes from the engine operatio
Do your dual fuel generators include the propane regulator and propane hose?
Yes. All DuroMax dual fuel generators include the necessary propane regulator and propane hose with the generator. The included propane hose is equipped with a standard QCC1 ACME-style connector, which is compatible with most standard propane tanks.
What is the difference between DuroMax and DuroStar model variants?
DuroMax and DuroStar are sister brands manufactured by DuroMax Power Equipment. Both brands are designed to provide reliable portable power, but there are differences in internal components, features, and warranty coverage depending on the model and
What are the Natural Gas Fuel Pressure and BTU Requirements for Tri-Fuel Generators?
DuroMax Tri-Fuel generators can operate on Natural Gas, Propane, or Gasoline. When using Natural Gas, it is important that the gas supply meets the proper pressure and BTU requirements for the generator to operate correctly. All DuroMax Tri-Fuel gene
When should I change the oil on my DuroMax Engine in my Generator/Water Pump/Pressure Washer?
Proper oil maintenance is important to ensure long engine life and reliable performance for your DuroMax equipment, including generators, water pumps, and pressure washers. We recommend checking the engine oil level before every use to ensure the eng
Can these generators be hooked directly to a transfer switch or interlock?
Yes. All DuroMax generator models are compatible with transfer switches and interlock kits when installed correctly. These systems allow a generator to safely supply power to selected circuits in your home during a power outage. A transfer switch all
How long can my generator run continuously?
DuroMax generators can run continuously as long as fuel is being supplied to the generator. However, the generator should still be shut down periodically to perform required maintenance according to the maintenance schedule listed in the owner’s manu
Can I vent my generator exhaust from an enclosed area?
No. DuroMax generators should never be operated inside enclosed or partially enclosed spaces, even if you attempt to vent the exhaust outside. Running a generator in an enclosed area can lead to dangerous Carbon Monoxide (CO) buildup, which is a colo
How do I connect the generator to my home?
Most DuroMax generator models can be connected to a home electrical system using one of the following methods:. Interlock Kit. GenerLink™ Meter-Mounted Transfer Switch. 2-Pole Manual Transfer Switch. These connection methods allow the generator to sa
Can I hook my dual fuel generator up to my large home propane tank?
Yes. DuroMax dual fuel generators can be connected to a large home propane tank, provided the generator is supplied with the correct fuel pressure and uses the original propane hose and regulator included with the generator. The included regulator en
Do you sell an aftermarket remote start kit for your generators?
No. DuroMax does not offer aftermarket remote start kits for generators that were not originally equipped with this feature from the manufacturer. Generators that include remote start are factory-designed with the required electrical components and c
What will happen if the generator gets overloaded?
All DuroMax generators are equipped with built-in overload protection breakers designed to protect the generator and connected devices. If the generator becomes overloaded, the circuit breaker will automatically trip, which will cut off power to the
What is the input pressure requirement for our generators to operate on propane?
DuroMax dual fuel generators require specific propane pressure levels depending on the generator’s wattage range. Providing the correct fuel pressure is important to ensure proper startup, stable operation, and full power output. Generators in this r
How should the generator be shut off after the power comes back on?
When utility power returns, it is important to shut down the generator in the proper order to safely transition your home back to utility power. Follow the steps below:. First, switch the main breaker on the transfer switch or interlock panel to the
How should I store my generator if I'm planning on using it in the same day?
If you plan to use your generator again later the same day, you can safely store it for short periods by following the steps below. Move the main breaker on the generator control panel to the OFF position. This removes the electrical load from the ge
How should I store my generator if I'm planning on storing my generator for over 30 days?
If you plan to store your generator for 30 days or longer, proper preparation is important to prevent fuel system issues and ensure the generator starts easily when needed again. Follow the steps below for long-term generator storage. Move the main b
Does the generator automatically recharge the 12V battery while running?
Yes. All DuroMax electric-start generators are designed to automatically recharge the onboard 12V battery while the generator is running. The generator’s charging system will supply power to the battery during operation to help maintain its charge. T
How frequent do I need to perform maintenance on my generator?
Maintenance schedules can vary depending on the specific DuroMax generator model, but all generators follow hour-based maintenance intervals to help ensure reliable performance and long engine life. Each generator model will list the required mainten
What Oil Filter Can I Use on the XP15000E or XP15000EH?
The following oil filters are compatible with the DuroMax XP15000E and XP15000EH generators. WIX 57035. Cub Cadet 751-12690. Cub Cadet 951-12690. These filters are spin-on style oil filters commonly used on small engines and outdoor power equipment.
How do I start my generator in colder temperatures?
Starting a generator in cold weather may require a few additional steps to ensure proper engine performance. For operation in below-freezing temperatures, we recommend using 5W-30 full synthetic engine oil. Synthetic oil flows more easily in cold con
Can your generators be operated in the rain or snow?
Generators should not be operated in direct rain or heavy snowfall without protection. Exposure to moisture can damage electrical components and create potential safety hazards. If you need to operate the generator during bad weather, we recommend us
Do your generators run on liquid or vapor propane?
All DuroMax dual fuel generators are designed to operate using propane in vapor form only. The generators use a propane regulator and hose assembly that converts and regulates the propane to the correct pressure for the engine to operate safely and e
What does the recharge indicator light mean?
The Recharge Indicator Light on DuroMax generators indicates that the generator is currently charging the onboard 12V battery. This light will turn on when the generator detects that the battery charge is below the normal operating level. The recharg
What type of gasoline is recommended in our generators?
We recommend using clean, fresh, unleaded gasoline with an octane rating of 87 or higher in DuroMax generators. The gasoline used should contain no more than 10% ethanol (E10 or lower). Using fresh fuel helps ensure proper engine performance, easier
Does the generator need to be grounded with a grounding rod?
In most cases, portable generators used for backup home power do not require a separate grounding rod when connected through a transfer switch, interlock kit, or GenerLink system. This is because the generator is typically grounded through the home’s
Can you use synthetic oil in our generators?
Yes. Synthetic oil can be used in DuroMax generators after the engine break-in period has been completed. After the break-in period, the following synthetic oil viscosities are acceptable:. 30W Synthetic Oil. 10W-30 Synthetic Oil. 5W-30 Synthetic Oil
DuroMax XP9000iH Remote Start Issue
If the remote start key fob for the DuroMax XP9000iH generator is lost or needs replacement, the remote cannot be replaced individually. The remote and control panel are factory synchronized, meaning they are paired together during manufacturing. To
What is the difference between an Inverter Generator and Open Frame Generator ?
There are several key differences between Inverter Generators and Open Frame Generators, including noise level, fuel efficiency, and power quality. Inverter generators are designed to provide cleaner, quieter, and more fuel-efficient power. Key featu
Central AC -Portable Generator Compatibility
Running a central air conditioning system (Central AC) with a portable generator depends primarily on the size and electrical requirements of the AC unit. Because AC systems vary by manufacturer and model, it is difficult to provide a definitive comp
DuroStar DS4000S Wheel Kit
Unfortunately, we no longer offer wheel kits for the DS4000s generator. The DS4000s model has been discontinued, and replacement accessories for this model are no longer supported or available. No. Since the DS4000s generator has been discontinued, w
Difference between Generator series
Below is a description of the suffix on the model number of the generator and what it means:.
Aluminum vs Copper Windings
Copper Windings:. Aluminum Windings:. Copper Windings:. Aluminum Windings:
What is Carbon Monoxide (CO Sensor) used for?
DuroMax generators are equipped with Carbon Monoxide (CO) sensors as an important safety feature designed to help protect users from the dangers of carbon monoxide poisoning. Many modern portable generators now include this technology to meet current
Bypassing CO (Carbon Monoxide) Sensor
At DuroMax, safety is our top priority. For this reason, we cannot provide instructions or guidance on how to bypass, disable, or modify the CO (Carbon Monoxide) sensor on any DuroMax generator or related equipment. The CO sensor is a critical safety
Generator Sales To California
Due to California emissions regulations, the only DuroMax generator model currently available for sale within the state of California is the:. DuroMax XP15000HXT+. This model meets the required California emissions and compliance standards for sale i
DuroMax and ATS Transfer Switch Compatibility
⚠ Important Notice. At this time, DuroMax portable generators are not compatible with Automatic Transfer Switch (ATS) systems. DuroMax generators are designed to operate with manual power transfer methods and do not support the automatic startup and
Generators that are equipped with a Floating Neutral
The following DuroMax and DuroStar generator models are equipped with a Floating Neutral configuration. A floating neutral means that the neutral conductor is not bonded to the generator frame ground internally. This configuration is commonly used wh
Generators that are equipped with a Bonded Neutral
The following DuroMax generator models are equipped with a Bonded Neutral configuration. A bonded neutral means the neutral wire is internally connected (bonded) to the generator frame ground. This configuration is commonly used when the generator is
DuroMax Inverter Generators
The following DuroMax generator models are Inverter Generators. Inverter generators produce cleaner power with low Total Harmonic Distortion (THD), typically below 5%, making them ideal for powering sensitive electronics such as laptops, televisions,
Generator Winter Storage Instructions
If you plan to store your generator during the winter months or for an extended period of time, proper preparation is important to prevent fuel system problems, battery damage, and corrosion. Follow the steps below to properly prepare your generator