FIRMAN · Portable generator
P03634
4,550 starting watts and 3,650 running watts with gasoline operation.
$799.99
Direct price snapshot
Visual spec gallery
Core specifications, simplified.
Up to 4,550 starting watts
4,550W starting
Manufacturer runtime
14 hours
Operating volume
75 dB @ 3/4 load
Fuel tank
5 Gallons
119 Lbs
Unit weight
Not listed
Unit dimensions
- Warranty
- 3-year warranty
- Certifications
- CARB · CETL · EPA
- Availability
- Available
Starting
Recoil
Power quality
Standard THD
Safety
Low-oil shutdown · CO Alert
Electrical
120/240V · 60
1 × 5-20R 120V 20A DUPLEX · 1 × TT-30R 120V 30A TWISTLOCK · 1 × L14-30R 120V/240V 30A TWISTLOCK (15.2A/240V/3650W)
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
The FIRMAN P03634 is part of one of our most trusted and best-selling series of portable generators engineered for durability, performance, and safety. Powered by a Max Pro Series 208cc engine with our exclusive Phoenix Fat Head Block, this unit runs cool and efficiently under load. With 4,550 starting watts and 3,650 running watts, the P03634 delivers dependable 120/240V power for a wide range of applications from home backup and job sites to outdoor events. Equipped with FIRMAN’s latest CO Alert technology, this generator adds an extra layer of safety by automatically shutting down if dangerous carbon monoxide levels are detected. Whether you're working hard or preparing for emergencies, this rugged mobile powerhouse gets the job done. Outlet configuration includes: (1) 5-20R 120V 20A DUPLEX GFCI, (1) TT-30R 120V 30A TWISTLOCK, (1) L14-30R 120V/240V 30A TWISTLOCK (15.2A/240V/3650W). FIRMAN generators are trusted for their power, safety, efficiency, and user-friendly design, and the P03634 is no exception. The P03634 comes with an engine oil bottle, oil funnel, spark plug wrench, and two double open-ended wrenches (10mm x 12mm). ·
Specifications · Certifications
- CARB Certified
- Yes
- EPA Certified
- Yes
- cETL Certified
- Yes
- CO Alert
- Yes
Specifications · Output
- Running Watts
- 3,650
- Starting Watts
- 4,550
- AC Voltage
- 120/240V
- Frequency (Hertz)
- 60
- Decibels
- 75 dB @ 3/4 load
- Run Time
- 14 hours
- THD @ Full Load
- Standard
Specifications · Control Panel
- Recoil Start
- Yes
- 5-20R 120V 20A DUPLEX
- 1
- TT-30R 120V 30A TWISTLOCK
- 1
- L14-30R 120V/240V 30A TWISTLOCK (15.2A/240V/3650W)
- 1
- CO Alert
- Yes
Specifications · Machine
- Low Oil Shutoff
- Yes
- Cast Iron Sleeve
- Yes
Specifications · Fuel System
- Fuel
- Gas
- Tank Size
- 5 Gallons
- Steel/Plastic
- Steel
Specifications · Wheel Kit
- Wheels
- 8" Plastic Flat Free Wheels
- Handle
- Single Folding Handle w/ Grip
Packaging · Unit
- UPC
- 840876136348
- Unit Length
- 24.8"
- Unit Width
- 21.7"
- Unit Height
- 21.7"
- Unit Weight
- 119 Lbs
Packaging · Carton
- Carton Dimensions
- 27.2" x 18.5" x 19.9"
- Carton Length
- 27.2"
- Carton Width
- 18.5"
- Carton Height
- 19.9"
- Carton Weight
- 135 Lbs
Best-fit uses
- Camping
- Home Projects
- Power Outage
- Work
Standout features
- CO Alert shutdown protection
- Recoil start
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