DuroMax 4,500W Dual-Fuel Generator Review
The DuroMax XP5500EH is a dual-fuel generator with a rated wattage of 4500 watts and a peak wattage of 5500 watts. It operates on gasoline and propane fuels.
At a Glance
- Running Watts4500W
- Starting Watts5500W
- Fuel TypeDual-Fuel
- Runtime (50%)9h
- Noise Level69 dB
- Weight124 lbs
Where to buy
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Model Variations
Is this the right generator for you?
Here's the quick tradeoff view — what this model does well, and where it may not fit.
Pros
- dual-fuel capability for versatility
- electric start for convenience
- long runtime on gasoline and propane
- includes wheel kit for portability
- complies with EPA and CARB standards
Cons
- heavy weight at 124 pounds
- noise level of 69 decibels
Summary
The DuroMax XP5500EH is a dual-fuel generator built around 4,500 running watts and 5,500 starting watts. That combination targets equipment that needs a steady supply of power once running, while also giving extra headroom for the higher surge that happens when certain loads first kick on.
Because it is dual-fuel, the XP5500EH gives you flexibility in how you keep it running, which can be especially useful when you want options for sourcing fuel without changing generators.
Power & Runtime
With 4,500 running watts and 5,500 starting watts, the XP5500EH is set up to handle continuous loads while also accommodating short startup surges. In day to day use, that starting wattage buffer can help when you power devices that demand more energy at startup than they do once they settle into normal operation.
Noise is rated at 69 dBA, which provides a clear expectation for how loud it will be while operating. Runtime is listed at 19 hours at 25 percent load and 9 hours at 50 percent load, giving you two concrete reference points for planning refueling around lighter or more demanding usage. Total harmonic distortion is rated at 12 percent, a single-number snapshot of the waveform quality the generator produces.
Outlets
Outlet selection is straightforward and practical. You get two 120 V 5-20R NEMA outlets rated at 20 A, which fit common plug types and support everyday 120 V tools and appliances. For higher-demand connections, there is one 120/240 V L14-30R twist-lock outlet rated at 30 A, offering a more secure, locking connection for compatible cords and equipment. A 12 V DC outlet is also included, providing a dedicated DC option alongside the AC receptacles.
Portability
At 124 lbs and measuring 25 x 22 x 22 inches, the XP5500EH is a substantial portable unit with a clearly defined footprint. Those dimensions help you gauge storage space in a garage or shed, while the listed weight sets expectations for the effort involved when moving it into position for use.
Features
Starting is supported through both recoil and electric systems, giving you a manual pull option alongside electric start convenience. A fuel gauge is built in, and the presence of indicators adds quick visual feedback while the generator is running.
On the safety and regulation side, the XP5500EH includes a spark arrestor and GFCI outlets, and it uses AVR for automatic voltage regulation. Compliance is listed as CARB and EPA. The generator is backed by a 3-year warranty.
Recommended Audiences
- Buyers wanting fuel flexibility with dual or tri-fuel capability
- Homeowners needing emergency backup for essential circuits
- Users who value push-button or remote start convenience
- DIY enthusiasts and hobbyists needing reliable portable power
What this generator can power
At a Glance
- Continuous:4,500W(recommended usable: 3,600W)
- Surge:5,500W
- Output:120/240V
- Inverter:No
Big-item compatibility
May struggle with startup surge
May struggle with startup surge
Exceeds capacity
Exceeds capacity
Example setups
Essentials
- Lights + Wi-Fi + Charging
- Refrigerator
- Furnace Blower
- Sump Pump (1/3 HP)
Est. running: 1,800W
Peak surge (single motor): 2,000W
Avoid starting multiple motor loads at the same time.
Essentials + Comfort
- Lights + Wi-Fi + Charging
- Refrigerator
- TV + Entertainment System
- Microwave
- Window AC (10,000 BTU)
- Furnace Blower
Est. running: 3,500W
Peak surge (single motor): 2,000W
Avoid starting multiple motor loads at the same time.
Jobsite / Tools
- Lights + Wi-Fi + Charging
- Circular Saw (7 1/4")
Est. running: 1,600W
Peak surge (single motor): 2,800W
Avoid starting multiple motor loads at the same time.
These are estimates using typical wattage assumptions. Real appliances vary. Startup surges can be 2–6× the running wattage for motor-driven loads. 240V loads require a 120/240V generator and proper connection. Use a transfer switch or interlock kit; never backfeed a panel.
About DuroMax
DuroMax is a renowned manufacturer of portable and standby generators, recognized for its diverse range of dual-fuel and gasoline-powered models known for reliability and value.
Warranty
Power by fuel
| Fuel | Running | Starting | Runtime @50% | Runtime @25% |
|---|---|---|---|---|
| Gasoline | 4500W | 5500W | 9h | 19h |
| Propane | 4275W | 5225W | 8h | 15h |
Full Specifications
Power
| Running Watts | 4,500 watts |
|---|---|
| Starting Watts | 5,500 watts |
| Starting Watts (Gasoline) | 5,500 W |
| Starting Watts (Propane) | 5,225 W |
| Running Watts (Gasoline) | 4,500 W |
| Running Watts (Propane) | 4,275 W |
Engine
| Engine | 224 cc DuroMax OHV 4-stroke, cast iron sleeve |
|---|---|
| Engine Type | DuroMax OHV 4-stroke, cast iron sleeve |
| Engine Displacement | 224 cc |
| Cylinder Sleeve | cast iron sleeve |
| Spark Arrestor | Yes |
| Emissions Compliance | CARB, EPA |
Electrical
| Voltage (AC) | 120/240 |
|---|---|
| Voltage (DC) | 12 |
| AC Frequency | 60 hz |
| GFCI Outlets | Yes |
| DC Outlets | 1x 12V 8A output |
| AC Outlets | 1x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R) |
| Total Harmonic Distortion (THD) | 12 % |
Dimensions
| Dimensions | 25 x 22 x 22 inches |
|---|---|
| Weight | 124 lbs |
Other
| Automatic Low Oil Shutdown | Yes |
|---|---|
| Emissions Compliance | CARB, EPA |
| Automatic Voltage Regulation | Yes |
| Automatic Voltage Regulator | Yes |
| Commercial Warranty | 3 years |
| Covered Outlets | No |
| Display Type | Voltmeter |
| Electric Start | Yes |
| Fuel Gauge | Yes |
| Fuel Tank Capacity | 4 gallons |
| Included Accessories | Funnel, tool kit, propane hose, battery, and wheel kit |
| Indicators | Yes |
| Inverter | No |
| Noise Level | 69 dBA |
| Overload Protection | Low oil and overload protection |
| Parallel Capable | No |
| Recoil Start | Yes |
| RV Ready | No |
| Starter Type | Recoil, Electric |
| Starting System | Recoil, Electric |
| UPC | 811,640,013,486 |
| Warranty | 3 years |
| Wheels | Yes |
| Winding Material | Copper |
Core
| Fuel Type | Dual-Fuel |
|---|
Runtime
| Runtime @ 25% | 19 hours |
|---|---|
| Runtime @ 50% | 9 hours |
| Runtime @ 25% Load (Gasoline) | 19 hours |
| Runtime @ 25% Load (Propane) | 15 hours |
| Runtime @ 50% Load (Gasoline) | 9 hours |
| Runtime @ 50% Load (Propane) | 8 hours |
Outlets
Questions & Answers
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