MILWAUKEE 3115-20ST M18™ QUIK-LOK™ Brushless 15” String Trimmer
MILWAUKEE 3115-20ST M18™ QUIK-LOK™ Brushless 15” String Trimmer is backordered and will ship as soon as it is back in stock.
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The MILWAUKEE 3115-20ST M18™ QUIK-LOK™ Brushless 15” String Trimmer is a split-boom cordless trimmer composed of an M18™ QUIK-LOK™ Brushless Power Head and a QUIK-LOK™ 15” String Trimmer Attachment for quick attachment swaps. The design allows one power head to drive multiple QUIK-LOK™ attachments for greater versatility on the jobsite.
A rear-mounted brushless motor maintains speed in demanding applications without bogging down and is positioned to provide a balance between power, balance, and maneuverability. The power head features a variable-speed trigger for precise control across different trimming tasks.
The trimmer delivers up to 5,900 max RPM and offers an adjustable cutting swath of 15" or 13" to prioritize clearing power or runtime. The Milwaukee Easy Load Trimmer Head holds up to 25' of line and can be loaded in under 30 seconds to reduce reload time.
This model is part of the M18™ system and is optimized for the M18™ REDLITHIUM™ HIGH OUTPUT™ XC6.0 Battery (Not Included), and is compatible with QUIK-LOK™ attachments and the broader M18™ platform of tools and accessories.
Key specifications
- Battery System: M18™
- Cutting Swath: 15 in
- Weight: 10 lb
- Line Diameter: 0.080" / 0.095"
- QUIK-LOK™ Attachment System – Split-boom design lets the M18™ QUIK-LOK™ Power Head accept the QUIK-LOK™ 15" String Trimmer Attachment and other attachments for multi-tool versatility.
- Brushless Motor – Delivers the power to maintain speed in demanding applications without bogging down.
- Rear-Mounted Motor – Positioning at the rear improves the combination of power, balance, and maneuverability.
- Variable-Speed Trigger – Provides precise control over cutting speed for different trimming conditions.
- 5,900 max RPM – High-speed cutting performance for demanding trimming applications.
- Milwaukee Easy Load Trimmer Head – Holds up to 25' of line and can be loaded in under 30 seconds to minimize downtime.
- Adjustable Cutting Swath – Selectable 15" or 13" swath to balance clearing power and runtime.
- Line Diameter Compatibility – Accepts 0.080" / 0.095" line sizes for flexibility with trimming lines.
- M18™ System Compatibility – Fully compatible with the M18™ system and optimized for the M18™ REDLITHIUM™ HIGH OUTPUT™ XC6.0 Battery (Not Included).
- Lightweight Design – 10 lb weight helps with portability across extended trimming jobs.
Specifications
| Specifications and Details | |
|---|---|
| Battery System | M18™ |
| Height | 39.76 in |
| Length | 5.28 in |
| Width | 12.8 in |
| Voltage | 18 |
| Brushless Motor | Yes |
| Color | Red |
| Cut Radius | 15 |
| Cutting Swath | 15 in |
| Cutting Width | 15 in |
| FUEL™ | No |
| Handle Type | D-Handle |
| Head Style | Easy Load |
| Charger | No |
| Kit Type | Non-Kit |
| Maximum Horsepower | 1.41 HP |
| Motor Type | Brushless |
| Weight | 10 lb |
| Number of Batteries Required | 1 |
| Number of Pieces Included | 1 |
| ONE-KEY™ Enabled | No |
| Variable Speed Type | Variable Speed Trigger |
| Warranty | 3 Year Warranty |
| Line Diameter | 0.080" / 0.095" |
| Max RPM | 5,900 |















