Description
Product Overview
The Firman T07571F is a powerful and versatile tri-fuel portable generator, designed to deliver reliable power on demand. With electric start capability and compatibility with gasoline, propane (LPG), and natural gas (NG), this generator is ideal for:
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Large RVs
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Home backup power
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Farm & ranch operations
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Job sites & construction
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Emergency power outages
Featuring a robust 439cc OHV engine, AVR voltage regulation, and multiple outlet options, this generator ensures stable power for sensitive electronics and heavy-duty equipment.
Key Features
1. Tri-Fuel Flexibility
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Main Fuel Selector Switch – Easily switch between gasoline (GAS), propane (LPG), or natural gas (NG).
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LPG/NG Selector Switch – Choose between propane or natural gas operation.
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Propane Consumption – Estimated 6-8 hours runtime on a standard 20 lb propane tank.
2. User-Friendly Controls
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Engine Start Switch – Electric start with a simple press-and-hold mechanism.
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Indicator Light – Red light (up to 4 minutes) indicates standby; green light confirms successful engine start.
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3-1 Data-Minder (Multi-Meter) – Displays voltage (V), frequency (Hz), and runtime hours for easy monitoring.
3. Advanced Safety & Protection
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Circuit Breakers – Protects against overloads and short circuits.
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Low Oil Shutdown – Prevents engine damage by automatically shutting down when oil is low.
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GFCI Outlet (NEMA 5-20R) – Ground Fault Circuit Interrupter for added safety.
4. Multiple Power Outlets
| Outlet Type |
Specifications |
Max Current |
| 120V, 20A Duplex GFCI |
NEMA 5-20R (Ground Fault Protected) |
20A |
| 120V, 30A Twist Lock |
NEMA L5-30R (Non-GFCI) |
30A |
| 120/240V, 30A Twist Lock |
NEMA L14-30R (Non-GFCI) – Supports dual 120V or single 240V loads. |
30A per leg |
| 120/240V, 50A |
NEMA 14-50R (Non-GFCI) – Ideal for large RVs or heavy-duty equipment. |
31.25A per leg |
| Ground Terminal |
Complies with local grounding requirements (consult an electrician). |
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5. Durable Construction
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Outlet Cover – Protects receptacles from dust and debris.
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Heavy-Duty Frame – Supports portability and stability (weighs 213 lbs).
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Noise Level – 72 dB (quieter operation compared to similar models).
Technical Specifications
General Specifications
| Category |
Details |
| Model Number |
T07571F |
| Engine Type |
Single-Cylinder, 4-Stroke OHV, Air-Cooled |
| Displacement |
439cc |
| Starting System |
Recoil + Electric Start |
| Ignition System |
Breakerless Ignition (Flywheel Magneto) |
| Oil Type |
FIRMAN SAE 10W-30 (API SL or higher recommended) |
| Oil Capacity |
37.2 oz (1.1L) |
| Fuel Tank Capacity |
8.0 Gallons (30.3L) – Gasoline |
| Run Time (Gasoline) |
12 Hours (50% Load) |
| Dimensions (LxWxH) |
29.8" x 27.5" x 26.1" |
| Weight |
213 lbs |
Power Output & Electrical Ratings
| Fuel Type |
Starting Watts |
Running Watts |
Voltage |
Frequency |
Phase |
| Gasoline |
9,400W |
7,500W |
120/240V |
60Hz |
Single |
| Propane (LPG) |
8,450W |
6,750W |
120/240V |
60Hz |
Single |
| Natural Gas (NG) |
6,900W |
5,500W |
120/240V |
60Hz |
Single |
Fuel Consumption Rates
Natural Gas (NG) Usage
| Load Condition |
Flow Rate |
BTU/hr |
Equivalent Power |
| No Load |
72 ft³/hr (2 m³/hr) |
72,000 BTU/h |
21,101W |
| Half Load |
86 ft³/hr (2.4 m³/hr) |
86,000 BTU/h |
25,204W |
| Full Load |
101 ft³/hr (2.9 m³/hr) |
101,000 BTU/h |
29,593W |
Propane (LPG) Usage
| Load Condition |
Flow Rate |
BTU/hr |
Equivalent Power |
| No Load |
15.6 ft³/hr (1.6 L/hr) |
39,000 BTU/h |
11,429W |
| Half Load |
31 ft³/hr (3.2 L/hr) |
77,500 BTU/h |
22,713W |
| Full Load |
50.8 ft³/hr (5.3 L/hr) |
127,000 BTU/h |
37,211W |
Additional Specifications
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Air Cleaner: Polyurethane Type
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PTO Shaft Rotation: Counter-Clockwise
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AC Grounding System: Neutral Bonded to Frame
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Voltage Regulator: AVR (Automatic Voltage Regulation)
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Carburetor Type: Float
Why Choose the Firman T07571F?
✅ Tri-Fuel Flexibility – Run on gasoline, propane, or natural gas for maximum convenience.
✅ High Power Output – 9,400 starting watts (gasoline) ensures strong performance.
✅ Electric Start – Hassle-free ignition with redundant recoil backup.
✅ Multiple Outlets – Supports RVs, appliances, tools, and sensitive electronics.
✅ Durable & Reliable – Low oil shutdown, circuit protection, and AVR regulation for longevity.
