Pulsar GD400BN vs WEN GN400iX
What is the difference?
The Pulsar GD400BN has 3.2 kW of running power, 4 kW peak. The WEN GN400iX has 3.5 kW of running power, 4 kW peak.
The Pulsar GD400BN is dual-fuel, the WEN GN400iX runs on gasoline.
The Pulsar GD400BN runs 4.5 h at half load, the WEN GN400iX runs 7 h at half load. The WEN GN400iX runs longer on a tank.
The Pulsar GD400BN has a 1 gal tank, the WEN GN400iX has a 1.8 gal tank.
Both have 120 V AC output.
Specs side by side
| Pulsar GD400BN | WEN GN400iX | |
|---|---|---|
| Running W | 3200 | 3500 |
| Peak W | 4000 | 4000 |
| Fuel | dual-fuel | gasoline |
| Tank (gal) | 1 | 1.8 |
| Run time @50 % (h) | 4.5 | 7 |
| Noise (dB) | — | — |
| CO shutoff | yes | yes |
| Weight (lb) | 47 | — |
| Warranty (yr) | — | 2 |
| Check on Amazon → | Check on Amazon → |
Specs as read from manufacturer pages on 2026-10-26 / 2026-10-31. Specs one maker does not list are left out of the comparison. Sponsored links; we may earn a commission.
Common questions
Which has more running watts, Pulsar GD400BN or WEN GN400iX?
The WEN GN400iX. More running watts: 3500 W vs 3200 W.

