Features

• 54V high-performance brushless motor delivers runtime and power equivalent to a 36cc petrol trimmer
• Up to 63 minutes of no-load runtime per charge (*with DCB549 54V 15.0Ah battery, sold separately, on Eco speed)
• Generates 63% greater peak torque compared to 36cc petrol string trimmers (*with DCB547 9Ah battery)
• IPX4-rated tool housing for reliable use in various weather conditions (*tool only)
• Three variable speed settings: 0–4000 / 4700 / 5100 RPM for tailored performance
• LED interface for speed selection, battery monitoring, and clog/stall alerts
• 42cm cutting swath with Pro Guard for fast, efficient trimming and improved visibility
• Magnesium gear case and hardened steel gears for maximum durability and reduced vibration
• Fixed steel shaft resists impacts and ensures long-term reliability in tough jobsite conditions
• Large QuickLoad™ spool simplifies line replacement and minimizes downtime
• Lightweight D-handle design provides superior comfort and control during extended use

Specifications

• Battery Voltage: 54V
• Motor Type: Brushless
• Speed Settings: 3 (0–4000, 4700, 5100 RPM)
• Cutting Width: 42 cm (17 in)
• Line Diameter: 2.4 mm (0.09 in)
• Feed System: Bump Feed
• Trigger Type: Variable Speed
• Grip: Bi-Material
• Quick Release Mechanism: Yes
• Power Source: Cordless (Battery Not Included)
• IP Rating: IPX4 (Tool Only)
• Vibration Emission Value: <2.5 m/s²
• Vibration Uncertainty: 1.5 m/s²
• Product Length: 116 cm
• Product Width: 14.7 in
• Product Height: 31.2 cm (12.3 in)
• Product Weight: 5.9 kg (13 lbs)
• Weight (w/o Battery): 12.3 lbs
• Weight (with Battery): 7.17 kg (15.8 lbs)

Includes

• DCMST911 (Tool only)
• Single shoulder strap
• QuickLoad™ spool
• Instruction manual