4500 Watt Inverter Generator Electronic Fuel Injection EFI Super Quiet Portable Gas Power Professional Use
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4500 Watt Inverter Generator Electronic Fuel Injection EFI Super Quiet Portable Gas Power Professional Use
Description
The Tomahawk TG4500iEFI is a professional-grade inverter generator built for contractors, job sites, remote operations, and serious backup power needs. Powered by advanced Electronic Fuel Injection (EFI) technology, it delivers cleaner combustion, superior fuel efficiency, and more reliable cold-weather starting than traditional carbureted generators. With 4500 starting watts and 3800 rated watts, it produces clean, stable inverter power that's safe for sensitive electronics like laptops, speakers, and precision tools.
At just 58.4 lbs and 62 dBA, the TG4500iEFI is impressively quiet and genuinely portable - making it equally at home on a noisy construction site or a quiet campground. The electric start, remote start capability, ECO mode, and CO alert safety system round out a feature set that puts this generator well ahead of the competition in its class. Backed by a 2-year warranty and supported by Tomahawk's nationwide service centers, this is a generator built to perform and built to last.
Key Features
- EFI (Electronic Fuel Injection): Precisely meters fuel delivery for improved efficiency, reduced emissions, easier starting, and better altitude adaptation - no manual adjustments needed.
- 4500 Starting Watts / 3800 Rated Watts: Handles demanding loads including power tools, drills, saws, appliances, and sensitive electronics simultaneously.
- Inverter Technology: Produces clean, stable power with low harmonic distortion - safe for computers, speakers, and other sensitive devices.
- Electric, Remote, and Manual Start: Three start options including a remote control starter for maximum convenience on the job site or at camp.
- CO Alert Technology: Automatically shuts down the generator if dangerous carbon monoxide levels are detected, protecting users in enclosed or semi-enclosed spaces.
- ECO Mode: Automatically adjusts engine speed to match the load, reducing fuel consumption and noise - ideal for overnight use or noise-sensitive environments.
- Super Quiet Operation - 62 dBA: Operates at a low noise level suitable for residential areas, campgrounds, and OSHA job site requirements.
- Low Oil Shutdown & Overload Protection: Dual safety systems protect the engine and connected equipment from damage automatically.
- 9-Hour Run Time at 1/4 Load: Extended runtime on a 1.6-gallon tank means fewer refueling stops during long shifts or overnight use.
- CARB Compliant: Meets California Air Resources Board standards as qualifying construction equipment - approved for use in California.
- 2-Year Warranty: Comprehensive coverage backed by Tomahawk's nationwide service centers and readily available spare parts.
What's Included
- TG4500i EFI Inverter Generator
- Remote Control Starter
Why You'll Love It
The Tomahawk TG4500iEFI is trusted by contractors, outdoor professionals, and emergency preparedness planners who need dependable power without compromise. EFI technology sets it apart from the pack - eliminating the carburetor headaches that plague other portable generators, especially in cold weather or at altitude. The combination of remote start, quiet operation, and clean inverter output makes this a genuinely versatile machine that transitions effortlessly from a construction site to a tailgate to a power outage backup scenario. CO Alert technology adds a critical layer of safety that gives operators and facility managers real peace of mind. With Tomahawk's nationwide service network, spare parts availability, and a solid 2-year warranty, this generator is engineered for years of dependable use. If you need professional-grade portable power that's smarter, quieter, and more fuel-efficient, the TG4500iEFI delivers.
Product Specifications
View Product Specs
| Engine | 159cc |
|---|---|
| Voltage | 120V |
| Amperage | 20A (120V) |
| Running Amperage | 37.5A |
| 120V Outlets | 2 |
| 120V Twist-Lock Outlets | 1 |
| Starting Watts | 4500W |
| Rated Watts | 3800W |
| Start Type | Electric, Remote, Manual |
| Tank Capacity | 1.6 gal (6 liters) |
| Run Time | 9 hrs @ 1/4 load |
| Oil Type | SAE 10W-30 |
| Oil Capacity | 0.5 quarts |
| Weight | 58.4 lbs (26.5 kg) |
| Dimensions (L x W x H) | 20.7 x 12.2 x 19.7 in (540 x 310 x 500 mm) |
| Noise Level | 62 dBA |
| CARB Compliant | Yes (qualifying construction equipment) |
| Warranty | 2 Years |
FAQ
What is EFI and why does it matter on a generator?
EFI (Electronic Fuel Injection) replaces the traditional carburetor with an electronic system that precisely controls fuel delivery based on engine conditions. On a generator, this means easier and more reliable starting in cold weather or at high altitude, better fuel economy, lower emissions, and less maintenance over time. You won't need to drain the carburetor for storage or manually adjust the choke - the system handles it automatically.
Is this generator safe to use on a job site with OSHA requirements?
Yes. The TG4500iEFI is designed with OSHA job site conditions in mind. Its EFI system reduces emissions, and the built-in CO Alert Technology automatically shuts the unit down if carbon monoxide reaches dangerous levels. It is also CARB compliant, qualifying as construction equipment under California Air Resources Board standards.
Can I run sensitive electronics like laptops and speakers on this generator?
Absolutely. The inverter technology in the TG4500iEFI produces clean, stable power with low total harmonic distortion (THD), making it safe for laptops, computers, speakers, and other sensitive electronics. This is one of the key advantages of inverter generators over conventional generators.
How does the remote start work?
The TG4500iEFI comes with a remote control starter included in the box. This allows you to start the generator from a distance without having to manually pull a cord or press the electric start button directly on the unit - a major convenience on job sites or when the generator is positioned away from your work area.
How long can this generator run on a full tank?
With a 1.6-gallon (6-liter) tank and ECO mode engaged, the TG4500iEFI can run up to 9 hours at 1/4 load. Run time will decrease as the load increases. ECO mode automatically adjusts engine speed to match the demand, helping to stretch fuel as far as possible during light-load use like overnight or standby applications.
Does this generator require assembly before use?
The TG4500iEFI requires minimal setup out of the box - primarily adding oil before first use (oil is not pre-filled). The generator ships via standard parcel freight. Once you receive it, review the included operation manual to complete the pre-start checklist and you'll be ready to run.
Thank you for trusting us with your order! This product is shipped directly from the manufacturing warehouse to get to customers all over the U.S. as soon as possible!
While many of our products are prepared and shipped out within 48 hours, some of our items are built to order or require custom pieces that could take 2-6 weeks to prepare before shipping! Please contact us at 888-884-2234 for a delivery ETA if you have a strict timeline.
Thanks!
Omaha Sports & Games Team
Returns & Refunds Policy
Return Policy
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. To start a return, you can contact us at service@omahasportsandgames.com.
If your return request is accepted, it will be up to you as the buyer to return the item in its original packaging, unworn and unused. You as the buyer will be responsible for paying the return shipping. We may be able to assist you in scheduling a pickup for return but the payment will still be your responsibility. You can always contact us for any return question at service@omahasportsandgames.com.
All products are subject to a minimum 15% restocking fee based on the quality of the returned product and packaging.
Items opened, tested, used, or any other non-new condition may be eligible for return based on the manufacturer's return policy.
Shipping Damages and Issues
You must inspect your order upon reception and refuse delivery if you see damage. DO NOT sign for delivery if there is apparent damage to the product. If you sign for the delivery and later claim shipping damage, there is very little we can do to help.
If your order does not require signing at delivery and is instead just dropped off at doorstep with damage, contact us immediately with photos of the damaged boxes.
If your item(s) is defective, damaged or if you receive the wrong item, contact us immediately so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, such as custom products, special orders or personalized items. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items, gift cards, or multiple product bundle discounts.