Worx Wx390: Pros And Cons, Common Issues, And Best Places To Purchase
Worx WX390 Information
The Worx WX390 is a cordless rotary hammer that delivers an impressive 1.2 Joules of impact energy for fast drilling in reinforced concrete. It is about the size of a standard cordless drill, but surprisingly lightweight and compact for its power, making it ideal for overhead and other critical applications where conventional corded rotary hammers would be awkward and heavy to operate.
Image of Worx WX390 cordless rotary hammer
Here are the full specifications of the Worx WX390:
| Feature | Specification |
|---|---|
| Voltage | 20V |
| Impact energy | 1.2 Joules |
| Drilling speed (no load) | 0-900 RPM |
| Hammering rate | 0-5000 BPM |
| Chuck type | SDS-plus |
| Tool weight | 2.4 pounds |
| Tool length | 12.2 inches |
| Battery life (varies by workload) | Up to 150 holes in 2x4 lumber |
| Kit includes | Rotary hammer, 2 batteries, charger, carrying case |
Features
- 1.2 Joules of impact energy for fast drilling in concrete
- Lightweight and compact design for easy handling
- SDS-plus chuck for compatibility with a wide range of bits
- Variable speed and hammer control for precise drilling and hammering
- Long battery life for extended use
- Includes 2 batteries, charger, and carrying case
What's in the box
- Worx WX390 rotary hammer
- 2 x 20V batteries
- Charger
- Carrying case
The Worx WX390 is a powerful and versatile cordless rotary hammer that is perfect for a variety of applications. It is ideal for drilling and hammering in concrete, masonry, and other tough materials. The lightweight and compact design makes it easy to use in overhead and other awkward spaces. The SDS-plus chuck is compatible with a wide range of bits, and the variable speed and hammer control allow for precise drilling and hammering. The long battery life means you can work longer without having to recharge. The Worx WX390 comes with two batteries, a charger, and a carrying case.
Here are some additional pros and cons of the Worx WX390:
Pros
- Powerful 1.2 Joules of impact energy
- Lightweight and compact design
- SDS-plus chuck for compatibility with a wide range of bits
- Variable speed and hammer control
- Long battery life
- Includes 2 batteries, charger, and carrying case
Cons
- Can be a bit noisy
- Not as powerful as some corded rotary hammers
- Battery life may not be as long for heavy-duty use
Overall, the Worx WX390 is a great cordless rotary hammer for the price. It is powerful, versatile, and easy to use. It is a good choice for homeowners and DIYers who need a rotary hammer for occasional use.
Worx WX390 Compare with Similar Item
Here is a comparison of the Worx WX390 and some similar items:
| Feature | Worx WX390 | Greenworks 2400102 | Ryobi RY40110 |
|---|---|---|---|
| Price | $199 | $229 | $249 |
| Power | 20V | 24V | 40V |
| Runtime | 45 minutes | 60 minutes | 70 minutes |
| Cutting width | 12 inches | 13 inches | 16 inches |
| Cutting height | 0.5 to 3.5 inches | 0.6 to 3.5 inches | 0.7 to 4 inches |
| Weight | 5.7 pounds | 8.4 pounds | 10.6 pounds |
| Warranty | 3 years | 3 years | 5 years |
As you can see, the Worx WX390 is the most affordable option, but it also has the shortest runtime and the lowest cutting width. The Greenworks 2400102 is more expensive, but it has a longer runtime and a wider cutting width. The Ryobi RY40110 is the most expensive option, but it has the longest runtime and the widest cutting width. It also has the best warranty.
Ultimately, the best choice for you will depend on your needs and budget. If you are looking for an affordable option with a short runtime and a narrow cutting width, the Worx WX390 is a good choice. If you are looking for a more powerful option with a longer runtime and a wider cutting width, the Greenworks 2400102 or the Ryobi RY40110 are better choices.
Here is a table that summarizes the comparison:
| Feature | Worx WX390 | Greenworks 2400102 | Ryobi RY40110 |
|---|---|---|---|
| Price | $199 | $229 | $249 |
| Power | 20V | 24V | 40V |
| Runtime | 45 minutes | 60 minutes | 70 minutes |
| Cutting width | 12 inches | 13 inches | 16 inches |
| Cutting height | 0.5 to 3.5 inches | 0.6 to 3.5 inches | 0.7 to 4 inches |
| Weight | 5.7 pounds | 8.4 pounds | 10.6 pounds |
| Warranty | 3 years | 3 years | 5 years |
Worx WX390 Where To Buy
You can buy Worx WX390 and spare parts from the following retailers:
- Worx Direct: Worx's official website is a great place to buy the WX390 and spare parts. They often have sales and discounts, and you can also find exclusive bundles that you won't find anywhere else.

- Walmart: Walmart is a good option if you're looking for a more affordable price. They often have the WX390 in stock, and you can also find a variety of spare parts.

- Amazon: Amazon is another great option for buying the WX390. They have a wide selection of products, including the WX390 and spare parts. You can also find great deals on Amazon, especially if you're a Prime member.

- Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store where you can buy the WX390. They often have the WX390 in stock, and you can also find a variety of spare parts.

- Lowes: Lowes is another good option if you're looking for a brick-and-mortar store where you can buy the WX390. They often have the WX390 in stock, and you can also find a variety of spare parts.

- eBay: eBay is a good option if you're looking for a used WX390 or spare parts. You can often find great deals on eBay, but be sure to do your research before making a purchase.

I hope this helps!
Worx WX390 Problems and Solutions
Sure. Here are some of the common issues and problems with the Worx WX390 and their solutions:
- The Worx WX390 won't start. This is usually caused by a dead battery. To fix this, try charging the battery for at least 12 hours. If the battery is still dead after charging, you may need to replace it.
- The Worx WX390 won't mow evenly. This is usually caused by a dirty or clogged cutting deck. To fix this, remove the cutting deck and clean it with a garden hose. You may also need to remove the blades and sharpen them.
- The Worx WX390 makes a loud noise. This is usually caused by a loose or damaged blade. To fix this, tighten the blade bolts or replace the blade.
- The Worx WX390 vibrates excessively. This is usually caused by a unbalanced cutting deck. To fix this, balance the cutting deck by adjusting the blade bolts.
- The Worx WX390 won't turn. This is usually caused by a problem with the drive belt. To fix this, check the drive belt for damage or wear. If the drive belt is damaged or worn, you will need to replace it.
Here are some additional tips to help you keep your Worx WX390 in good working condition:
- Always store your Worx WX390 in a cool, dry place.
- Avoid running your Worx WX390 over rough terrain.
- Inspect the cutting deck regularly for debris and damage.
- Sharpen the blades regularly.
- Change the oil and air filter according to the manufacturer's instructions.
By following these tips, you can help extend the life of your Worx WX390 and keep it running smoothly for years to come.
Worx WX390 Manual
Safety Information
- Read all safety instructions before using this tool.
- Keep this manual for future reference.
- This tool is intended for professional use only.
- Do not use this tool for any other purpose than its intended use.
- Wear safety glasses and hearing protection when using this tool.
- Wear dust mask if working in dusty conditions.
- Keep hands and feet away from the bit and the workpiece at all times.
- Do not use this tool if it is damaged.
- Disconnect the battery from the tool before making any adjustments or repairs.
- Store this tool in a safe place when not in use.
Before Use
- Make sure the battery is fully charged before using the tool.
- Insert the battery into the tool until it clicks into place.
- Select the desired speed and mode of operation.
- To drill a hole, insert the bit into the chuck and tighten it securely.
- To chisel, insert the chisel into the chuck and tighten it securely.
- To use the hammer function, set the switch to the hammer position.
Troubleshooting
- If the tool does not work, check the battery to make sure it is fully charged.
- If the battery is fully charged and the tool still does not work, contact Worx customer service.
Maintenance
- Clean the tool after each use.
- Wipe the tool down with a damp cloth.
- Do not use harsh chemicals or solvents to clean the tool.
- Store the tool in a dry place when not in use.
Warranty
This tool is warranted to be free from defects in materials and workmanship for a period of two years from the date of purchase. If the tool fails during the warranty period, it will be repaired or replaced free of charge.
Contact Information
Worx Customer Service 1-800-525-9436 www.worx.com
Additional Information
- This tool can be used with a variety of SDS Plus bits.
- The tool can be used to drill holes in concrete, brick, wood, and metal.
- The tool can also be used to chisel concrete and masonry.
- The tool is powered by a 20V MAX Lithium-Ion battery.
- The tool has a variable speed trigger and a hammer function.
- The tool has a built-in LED light for working in dark areas.
- The tool weighs 1.25kg.
- The tool measures 259mm x 68mm x 184mm.
Safety Warning
This tool can cause serious injury if not used properly. Always follow all safety instructions when using this tool.
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