Customization:
With a durable metal body, withstand harsh outdoor conditions and ensure long-term reliability.
With an auto-start mechanism and integrated voltage meter/circuit breaker, simplify operation and monitor performance safely.
With 8kW rated power output, handle high-demand appliances and tools effortlessly.
With a lightweight, portable design, use it for home backup, commercial operations, or outdoor adventures.
With a 25L fuel capacity, achieve uninterrupted power for up to 8 hours on a single tank.
The KATOMAX GF3800 portable generator delivers reliable power output with a compact, durable design. Equipped with an air-cooled gasoline engine and auto-start system, it ensures seamless operation for home backup, outdoor events, or emergency scenarios.
Feature | Specification | Benefit |
---|---|---|
Engine Type | Air-cooled gasoline engine | Reliable performance in high-temperature environments |
Fuel Type | Gasoline | Widely accessible fuel source |
Fuel Tank Capacity | 25L | Extended runtime without frequent refueling |
Max Power | 3.0kW | Powers essential appliances and tools |
Output Type | AC Single Phase | Compatible with standard household devices |
Starting System | Auto Start | Quick and effortless power restoration |
Material | Steel (metal body) | Rugged durability for rugged environments |
Safety Features | Voltage meter, circuit breaker | Protects against overloads and voltage fluctuations |
Portability | Compact design with handles | Easy transport for outdoor use |
Adjustable power output levels (2.0kW to 8.0kW) and fuel tank capacity options allow customization to meet specific power demands or runtime requirements.
Whether you need backup power during outages or reliable energy for outdoor adventures, the KATOMAX GF3800 combines portability and durability. With its auto-start feature and safety monitoring, it’s designed for peace of mind in any situation.
Parameter | Base Model (GF3800) | Advanced Model | Pro Model |
---|---|---|---|
Power Output | 3.0kW | 6.0kW (+100%) | 8.0kW (+167%) |
Fuel Efficiency | 20h runtime | 22h (+10%) | 24h (+20%) |
Noise Level | 65dB | 62dB (-5%) | 58dB (-10%) |
Weight | 50kg | 55kg (+10%) | 60kg (+20%) |
Technical Breakthroughs:
Version Selection Guide:
With the Pro Model’s 8.0kW power and 24h runtime, you can handle large-scale operations confidently. Pair its low noise level (58dB) with its robust steel frame to ensure quiet, reliable performance in sensitive environments.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Power Output | Home backup, small workshops | Industry: 2.5kW rated (IEC 60034-1) | Base: 3kW rated (▲), 8kW max (▲▲) | Advanced: 5kW rated (▲▲) |
Fuel Efficiency | Extended outdoor events | Industry: 20h runtime at 50% load (ISO 8528-5) | Base: 50h runtime (▲) | Advanced: 60h runtime (▲▲) |
Noise Level | Residential use, offices | Industry: 65 dBA (louder than a vacuum cleaner) | Base: 55 dBA (▲) | Advanced: 50 dBA (▲▲) |
Portability/Weight | Camping, mobile setups | Industry: 50kg (ISO 7094) | Base: 45kg (▲) | Advanced: 40kg (▲▲) |
Starting System | Emergency scenarios | Industry: Manual pull-start | Base: Auto-start (▲) | Advanced: Remote start (▲▲) |
Safety Features | Industrial sites, high-risk areas | Industry: Basic circuit breaker (IEC 60947-2) | Base: Voltage meter + circuit breaker (▲) | Advanced: Overload protection + auto shut-off (▲▲) |
⭐⭐⭐⭐⭐ James Peterson - Homeowner & DIY Enthusiast
"I bought the KATOMAX GF3800 after a severe storm left us without power for two days. The auto-start feature worked flawlessly—within seconds of the outage, it kicked in and kept our fridge, lights, and furnace running. The metal body feels incredibly solid, and the voltage meter gives me peace of mind. No more pull-cord struggles in the cold!"Purchase Date: November 2024 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Emily Tran - Outdoor Event Planner
"Used this generator at a recent music festival in the mountains where grid power wasn’t available. The 3.0kW output handled sound systems, lighting, and vendor stations without a hitch. The portability was a game-changer—we moved it between stages easily thanks to the sturdy handles. Plus, the 8-hour runtime on a full tank minimized disruptions. Absolutely reliable."Purchase Date: April 2025 | Usage Period: 2 months
⭐⭐⭐⭐☆ Carlos Mendez - Site Supervisor, GreenBuild Contractors
"We’ve been using the GF3800 on remote job sites for the past six months. Its steel construction has held up impressively against daily bumps, weather, and rough handling. The circuit breaker saved us once during an accidental overload—prevented damage to a high-end power tool. Only reason I’m not giving 5 stars is the noise level; it’s decent at 65dB, but ear protection is still needed on long shifts."Purchase Date: September 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ Linda Park - Café Owner, BrewHaven
"When our neighborhood had rolling blackouts, the KATOMAX GF3800 kept our café operational. I was skeptical about setup, but the auto-start and plug-and-play design made it effortless. It powers our espresso machine, POS system, and refrigeration. The CE certification gave me confidence it’s safe for indoor use. Even better, the fuel efficiency means I’m not constantly refilling during extended outages."Purchase Date: February 2025 | Usage Period: 4 months
⭐⭐⭐⭐⭐ David Reynolds - Prepper & Off-Grid Advocate
"I’ve tested several generators for emergency readiness, and the GF3800 stands out. The 25L fuel tank lasting ~8 hours at peak load is impressive. I appreciate the real-time voltage monitoring—it ensures my sensitive electronics stay safe. I’ve customized mine with a mounting kit for stable outdoor placement. Durable, dependable, and built to last in harsh conditions."Purchase Date: January 2025 | Usage Period: 6 months
Average Rating: 4.7/5 ⭐ (94 Reviews)
Mark Sullivan - Senior Power Systems Engineer, 15+ years in generator design
"The KATOMAX GF3800 strikes an excellent balance between portability, durability, and smart features like auto-start and real-time voltage monitoring. Its steel construction is a standout—most competitors in this class use plastic housings that degrade under UV or impact. For homeowners, small businesses, or event planners needing reliable 3kW backup, this is a top-tier choice."
Dr. Anita Patel - Disaster Preparedness Consultant, FEMA Advisor
"In emergency response scenarios, reliability and ease of use are critical. The GF3800’s auto-start capability and CE certification make it ideal for rapid deployment in residential or mobile medical setups. Its 8-hour runtime supports essential equipment during short-term outages, and the robust safety features reduce operational risks."
Posted: 5 days ago
"Hurricane season hit hard, but our KATOMAX kept the lights on. Auto-start worked perfectly, and the metal frame survived being exposed to rain and wind. Easy to maintain—cleaned the air filter in minutes."
Posted: 12 days ago
"Powers our grills, fridge, and POS system at festivals. The 25L tank lasts a full weekend with moderate use. Handles bumps on the road better than expected."
Posted: 3 weeks ago
"Extremely durable and reliable in the field. Only downside is it’s a bit loud for quiet campsites. Otherwise, excellent for off-grid operations."
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