FIRMAN · Portable generator
P03628
4,550 starting watts and 3,650 running watts with gasoline operation.
$899.99
Direct price snapshot
Visual spec gallery
Core specifications, simplified.
Up to 4,550 starting watts
4,550W starting
Manufacturer runtime
14hrs
Operating volume
75dB 3/4load
Fuel tank
5
120
Unit weight
23.2x21.7x21.7
Unit dimensions
- Warranty
- 3-year warranty
- Certifications
- CETL · EPA
- Availability
- Available
Starting
Electric, Remote
Power quality
25% THD
Safety
Low-oil shutdown · CO Alert
Electrical
120 · 60
1 × 5-20R 120V 20A DUPLEX GFCI · 1 × TT-30R 120V 30A RV · 1 × L5-30R 120V 30A TWISTLOCK
Official product gallery
Product views and FIRMAN infographics.
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Complete specifications
Every official field, organized.
The technical fields below come from FIRMAN’s model-specific specification file. Product photos and infographics come from the official product gallery. Confirm current documentation before purchase.
Manufacturer overview
Adventure seekers and pros alike trust the FIRMAN P03628 portable generator for safe, reliable, and long-lasting power. Delivering 4,550 starting watts and 3,650 running watts, this generator runs on 120V and offers up to 14 hours of runtime at 50% load, making it the perfect companion for job sites, recreational events, or home projects. Equipped with a convenient remote start, the P03628 is easy to use and always ready when you need it. Designed to handle your essential power needs, it’s built tough and backed by FIRMAN’s commitment to quality. Outlet configuration includes 5-20R 120V 20A DUPLEX, L5-30R 120V 30A TWISTLOCK, and TT-30R 120V 30A TWISTLOCK With the FIRMAN P03628, you’re always prepared—wherever the road or your next project takes you. The P03628 comes with an engine oil bottle, oil funnel, remote control and holder, spark plug wrench, and two double open-ended wrenches (10mm x 12mm).
Specifications · Certifications
- EPA Certified
- Yes
- cETL Certified
- Yes
- NOM Certified
- Yes
Specifications · Output
- Running Watts
- 3650
- Starting Watts
- 4550
- AC Voltage
- 120
- Frequency (Hertz)
- 60
- Decibels
- 75dB 3/4load
- Run Time
- 14hrs
- THD @ Full Load
- 25%
Specifications · Control Panel
- Recoil Start
- YES
- Electric Start
- YES
- Remote Start
- YES
- 5-20R 120V 20A DUPLEX GFCI
- 1
- TT-30R 120V 30A RV
- 1
- L5-30R 120V 30A TWISTLOCK
- 1
Specifications · Machine
- Low Oil Shutoff
- YES
- Power Stream Alternator
- YES
- Cast Iron Sleeve
- YES
Specifications · Fuel System
- Fuel
- Gas
- Tank Size
- 5
- Steel/Plastic
- STEEL
Specifications · Wheel Kit
- Wheels
- 8.0" -black -plastic-flat free
- Handle
- single folding w/grip
Packaging · Unit
- UPC
- 840876136287
- Unit Dimensions
- 23.2x21.7x21.7
- Unit Length
- 23.2
- Unit Width
- 21.7
- Unit Height
- 21.7
- Unit Weight
- 120
Packaging · Carton
- Carton Dimensions
- 27.2x18.1x19.9
- Carton Length
- 27.2
- Carton Width
- 18.1
- Carton Height
- 19.9
- Carton Weight
- 128
Best-fit uses
- Home Projects
- Work
Standout features
- CO Alert shutdown protection
- Electric, Remote start
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