WEN TF1050iX
#5 in LargeFull review
A tri-fuel home-backup inverter that can sit on natural gas indefinitely. Good for a transfer switch or a 50 A RV.
WEN $1,649$1,649
The WEN TF1050iX is the better inverter generator overall, rated 3.9 to 3.3. The WEN TF1050iX leads on fuel options, value and warranty. The Predator 9500 Super Quiet wins on run time. The WEN TF1050iX costs $350.99 less ($1,649 vs $1,999.99).
Predator 9500 Super Quiet
#9 in LargeFull review
A low price per watt for whole-house backup through a transfer switch. Buy it in store, or budget for the freight charge, and consider an extended warranty.
Harbor Freight $1,999.99$1,999.99
Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the WEN TF1050iX for fuel options (gasoline, propane or natural gas vs gasoline only), value ($0.19 per running watt vs $0.26 per running watt) and warranty (3-year warranty vs 0.2-year warranty).
- Choose the Predator 9500 Super Quiet for run time (18.5 hours on a tank at 25% load vs 13.8 hours on a tank at 25% load (scaled from 50%)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large inverter generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | WEN TF1050iX | Predator 9500 Super Quiet |
|---|---|---|
| Overall rating | 3.9/5 | 3.3/5 |
| Value 30% | 81 $0.19 per running watt | 62 $0.26 per running watt |
| Quiet 20% | 38 66 dBA at light load, maker rating | 31 67 dBA at light load, maker rating |
| Run time 15% | 56 13.8 hours on a tank at 25% load (scaled from 50%) | 89 18.5 hours on a tank at 25% load |
| Fuel options 10% | 100 gasoline, propane or natural gas | 0 gasoline only |
| CO safety 10% | 100 shuts off when carbon monoxide builds up | 100 shuts off when carbon monoxide builds up |
| Warranty 10% | 50 3-year warranty | 0 0.2-year warranty |
| Starting 5% | 80 push-button electric start | 80 push-button electric start |
Specifications
| WEN TF1050iX | Predator 9500 Super Quiet | |
|---|---|---|
| Output | ||
| Gasoline | 8,550 W running, 10,500 W starting | 7,600 W running, 9,500 W starting |
| Propane | 8,550 W running, 9,450 W starting | - |
| Natural gas | 7,700 W running | - |
| Outlets | 2 × 120 V, L14-30, USB | 4 × 120 V, L5-30, L14-30, USB |
| Parallel capable | Yes | Yes |
| Total harmonic distortion | under 1.2% | - |
| Price per watt | $0.19 | $0.26 |
| Fuel and run time | ||
| Fuel | Gasoline, propane, natural gas | Gasoline |
| Tank | 7.1 gal | 6.6 gal |
| Run time (gasoline) | 10.5 hr at 50% load | 18.5 hr at 25% load |
| Run time (propane, 20 lb tank) | 5.8 hr | - |
| Engine | 457 cc | 459 cc |
| Noise and safety | ||
| Rated noise (light load) | 66 dBA | 67 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | - | No |
| Build | ||
| Starting | Electric and recoil | Electric and recoil |
| App | No | No |
| Wheels | Yes | Yes |
| Dimensions | 30.1 x 26.3 x 28.8 in | 31 x 23.75 x 28.87 in |
| Weight | 209.4 lb | 257 lb |
| Warranty | 3 years | 0.2 years |