Firman W03383

Generator. Specs from the manufacturer page (checked 2026-10-26).

The Firman W03383 is a gasoline inverter-generator rated at 3300 running watts and 3650 starting watts, powered by a 193cc engine. It has a 1.8-gallon fuel tank and is rated for up to 9 hours of run time at 25% load.

Check on Amazon →Sponsored link; we may earn a commission.

Key features

• 193cc engine with recoil start, electric start and remote start
• Low oil shut off
• Eco mode varies engine speed with load for maximum fuel efficiency
• Outlets: 5-20R 120V 20A duplex; TT-30R 120V 30A twistlock (27.5A/120V/3300W)
• USB-A (2.1A/5V DC/10W) and 12V DC power port (8.3A/12V DC/100W)
• Covered outlets on multi-featured control panel
• 3-year warranty

Specifications

From the Firman page. Values the manufacturer does not publish are left out.

Similar inverter & portable generators

Firman W03383 comparisons

• W03383 vs Generac iQ5200
• W03383 vs WEN DF480iX
• W03383 vs WEN DF475T
• W03383 vs Anker SOLIX Smart Generator 5500
• W03383 vs Pulsar GD400BN
• W03383 vs Honda EU3200i

All Firman models →

Connection and wiring

Follow the diagrams in the Firman manual. Connecting to a home panel needs a transfer switch or interlock and a licensed electrician.

Open the Firman manual (PDF) →

Error codes and troubleshooting

We found no error-code table in this manual. Its troubleshooting section is the reference.

FAQ