1. Introduction
Thank you for choosing the Makita DTW600 Cordless Electric Impact Wrench. This powerful 18V brushless tool is designed for a wide range of applications, from automotive repair to furniture installation and industrial tasks. This manual provides essential information for safe and effective operation, maintenance, and troubleshooting. Please read it thoroughly before using the tool.
2. Safety Warnings
WARNING: To reduce the risk of injury, always follow these safety precautions.
- Always wear safety goggles and gloves during operation to protect against flying debris.
- Ensure the lithium-ion battery is charged and stored according to the manufacturer's instructions to prevent fire risks.
- Dispose of lithium-ion batteries safely and in accordance with local regulations.
- Avoid using the tool in damp or wet environments to prevent electric shock.
- Do not disassemble or modify the tool without authorization. Unauthorized modifications can lead to malfunction and void the warranty.
- Never touch moving parts while the tool is still in operation. Wait for the tool to come to a complete stop.
- Keep hands and body parts clear of the chuck and accessories during operation.
3. Product Overview
Familiarize yourself with the components of your DTW600 Impact Wrench:



4. Specifications
| Feature | Specification |
|---|---|
| Model Number | DTW600 |
| Brand Name | Makita |
| Type | Cordless Electric Impact Wrench |
| Motor Type | Brushless |
| Rated Input Power | 480W |
| Power Source | Battery (18V Lithium-ion compatible) |
| Frequency | 60HZ |
| Max Torque | 500 N.m (368.78 lb·ft / 4425.36 in·lb) |
| Square Drive | 12.7 MM (1/2") |
| Inner Hexagon Drive | 1/4" (2-in-1 Chuck) |
| Sound Power Level | 105DB(A) |
| No Load Speed (RPM) | 0 – 2,300 |
| Impacts Per Minute (IPM) | 0 – 3,000 |
| Dimensions (L x W x H) | 176 MM (6-15/16") |
| Origin | Mainland China |
| Approx. Package Weight | 1.109 kg |
| Approx. Package Dimensions | 21 x 17 x 11 cm |

5. Setup
5.1 Battery Installation
The DTW600 is designed for use with 18V Lithium-ion batteries (not included with all models). To install the battery:
- Align the battery pack with the battery slot on the base of the tool.
- Slide the battery into the slot until it clicks securely into place.
- To remove, press the Battery Pack Release Button and slide the battery out.
5.2 Accessory Installation (Sleeve/Bit)
The DTW600 features a 2-in-1 chuck, accommodating both 1/2" square drive sockets and 1/4" inner hexagon bits.

To install a sleeve or bit:

- Sleeve/Bit Vacancy: Align the head holes of the sleeve or bit with the chuck.
- Tight Connection: Push the sleeve or bit firmly into the chuck until it is tightly connected.
- Secure with Rubber Ring: Ensure the rubber ring (if applicable to your accessory) is properly seated to secure the connection.
6. Operating Instructions
6.1 Powering On/Off and Variable Speed
The tool is powered on by pressing the trigger switch. The speed control switch allows for variable speed adjustment; the pressing force increases the speed. Release the trigger to turn off the tool.
6.2 Forward and Reverse Switch
Located near the trigger, the forward and reverse switch allows you to change the direction of rotation for tightening or loosening fasteners. Ensure the tool is stopped before changing direction.
6.3 LED Work Light
The built-in LED light illuminates the work area, making it suitable for working in dark environments. The light activates when the trigger is pressed.

6.4 Battery Light Display
The intelligent control panel includes a battery light display that clearly indicates the remaining power status, allowing you to monitor battery life during use.
6.5 Torque Adjustment
The control panel features settings for 'Small' and 'Large' torque, allowing you to adjust the output power based on the application requirements. Use the Function Switch Key to cycle through these settings.
6.6 Application Scenarios
The DTW600 is widely applicable for various tasks:

- Car Repair: Ideal for loosening and tightening lug nuts and other automotive fasteners.
- Scaffold Loading and Unloading: Efficient for assembly and disassembly of scaffolding.
- Furniture Installation: Provides quick and powerful fastening for furniture assembly.
- Flat Drilling: Can be used for drilling applications with appropriate bits.
- Tire Disassembly: High torque output makes it suitable for removing stubborn tire bolts.
- Industrial Applications: Versatile for various heavy-duty fastening tasks.
7. Maintenance
- Cleaning: Regularly clean the tool's exterior with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the tool and battery in a cool, dry place, away from direct sunlight and extreme temperatures.
- Battery Care: Always follow the battery manufacturer's instructions for charging and storage. Do not overcharge or completely discharge the battery.
- Inspection: Periodically inspect the chuck, bits, and other accessories for wear or damage. Replace worn parts as needed.
- Avoid Disassembly: Do not attempt to disassemble or modify the tool. Internal repairs should only be performed by authorized service personnel.
8. Troubleshooting
- Tool does not operate:
- Check if the battery is fully charged.
- Ensure the battery pack is securely inserted into the tool. - Tool overheats:
- Discontinue use immediately.
- Allow the tool to cool down completely before resuming operation.
- Avoid continuous heavy-duty use without breaks. - Reduced performance:
- Check the battery charge level.
- Ensure the correct torque setting (Small/Large) is selected for the task.
9. Warranty and Support
The Makita DTW600 Cordless Electric Impact Wrench carries a one-year warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For warranty claims, technical assistance, or any other support inquiries, please contact our official customer service. Keep your purchase receipt as proof of purchase.
For additional information and detailed guides, you may refer to the official user manual PDF: View User Manual (PDF)





