
DuroMax XP10000E
Score: 82/100
Westinghouse iGen12500
Score: 78/100Rankings

The DuroMax XP10000E is a heavy-duty portable generator offering robust 10,000 starting watts and exceptional runtime efficiency for home backup and job sites. Its main trade-off is the high weight and lack of clean power for sensitive electronics due to high THD. It is best suited for RV campers and contractors who need reliable, high-wattage power for tools and appliances.

The Westinghouse WGen9500DF is a powerful dual-fuel portable generator designed for whole-home backup, offering up to 12,500 peak watts on gasoline. It features convenient remote start and transfer switch readiness, though its heavy weight and open-frame design limit portability and weather protection. It is best suited for homeowners requiring robust backup power for essential appliances and RV owners needing a 50-amp connection.
| Attribute | ![]() | ![]() |
|---|---|---|
8,000 watts | 9,500 wattsbest | |
10,000 watts | 12,500 wattsbest | |
| ↓ lower better | 72 dB(A)best | 74 dB(A) |
10 hours | 12 hoursbest | |
| ↓ lower better | 210 lbsbest | 210 lbsbest |
8.3 gallonsbest | 6.6 gallons | |
439 cc | 457 ccbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power Output(2) | ||
Running Watts (watts) | 8000 watts | 9500 watts |
Starting Watts (watts) | 10000 watts | 12500 watts |
Performance(1) | ||
Noise Level (dB(A)) | 72 dB(A) | 74 dB(A) |
Usability(1) | ||
Starting System | Electric Start | Electric/Recoil |
Fuel & Runtime(3) | ||
Runtime @ 50% Load (hours) | 10 hours | 12 hours |
Fuel Tank Capacity (gallons) | 8.3 gallons | 6.6 gallons |
Fuel Type | Gasoline | Dual |
Support & Reliability(1) | ||
Warranty | 3 years | 3 Year Limited |
Connectivity(1) | ||
Outlet Configuration | 2x 120V 20A GFCI, 1x 120V 30A Twist Lock, 1x 120/240V 30A Twist Lock, 1x 120/240V 50A, 2x 12V DC | 5-20R, L14-30R, 14-50R, USB |
Safety & Compliance(2) | ||
CO Detection Shutdown | false | true |
Certifications | EPA, CARB | CARB, EPA |
Engine & Performance(2) | ||
Engine Displacement (cc) | 439 cc | 457 cc |
Engine Type | OHV 4-Stroke | 4-Stroke OHV |


Products in the top-left offer the best value (high score, low price).

Professional reviewers consistently praise the DuroMax XP10000E for its robust power output, durable all-metal construction, and exceptional runtime efficiency. Editors highlight its versatility for RVs and job sites due to the MX2 technology and comprehensive outlet selection. However, experts note that the high total harmonic distortion (THD) restricts its use with sensitive electronics, and the heavy weight limits portability compared to lighter alternatives.
Everyday users generally describe the generator as a powerful 'beast' that reliably handles heavy loads like AC units and welders. Common praise focuses on the ease of electric starting and the long runtime during outages. Recurring complaints involve fuel inefficiency under full load, carburetor issues from ethanol gas storage, and damage to sensitive electronics due to power quality.

Professional reviewers praise the Westinghouse WGen12000DF and its variants for delivering powerful output suitable for whole-home backup and RV connections. Experts highlight the convenience of remote start, the safety inclusion of a CO sensor, and the robust build quality with cast iron engine sleeves. However, reviewers consistently note that the non-inverter open-frame design lacks weatherproofing and parallel capability found in newer competitor models.
Everyday users appreciate the reliable power output for running essential appliances like refrigerators and air conditioners during storms. The remote start feature and dual-fuel flexibility are frequently praised for their convenience and value. Recurring complaints focus on the heavy weight making transport difficult, shorter runtime on propane compared to gasoline, and occasional difficulties with the recoil backup start mechanism.
“Powerful beast for households/tools/AC; notes big tank enables longer runtime without efficiency gains.”

“Reliable startup (electric button works flawlessly per forums); powers whole-house basics during outages.”


