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DeWalt 40V DCST990H1 15" Battery Powered Trimmer (6 Ah Battery)

Model: DCST990H1 - Trimmer  |  Item Number: DCST990H1
UPC: 885911385572
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Features for the Dewalt DCST990H1 - Trimmer

The 40V brushless trimmer from DeWalt is the trimmer that you need to help you tackle all of your jobs. Weighing just 13.9 lbs. this trimmer will allow you to work longer without fatigue, plus the padded auxiliary handle provides a comfortable grip for easy operation. A full variable trigger allows you to easily control the power and the speed control allows you to adjust speed and runtime. The 6 Ah premium high capacity battery in combination with the brushless motor maximize the run time and motor life. The bump feed head makes letting out more trimmer line extreme easy, so you don’t have to stop trimming. The DeWalt DCST9900H1 trimmer is the perfect balance of durable, comfortable and efficient.

  • High Capacity Battery: 6.0Ah 40V battery gives you long lasting power.
  • Bump Feed Head: Easily control the line feed – accepts .080” and .095” trimmer line.
  • Patented Gear Drive Design: Provides amplified torque to maintain speed under load and allows you to power through tough overgrowth.
  • Variable Speed Trigger: Hi/lo speed control for added power and extended run time.
  • 15” Cut Swath: Large cut area to get your job done faster.
  • Metal Gear case and Xenoy Housing: Durable, for a long life.

This product may contain chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. For more information, go to

Technical Specs for the Dewalt DCST990H1 - Trimmer*

Battery 40V 6.0Ah Lithium Ion Battery

Trimming Width 15"

Line Diameter .080" (also accepts 0.095")

Weight (lbs.) 13.9 lbs. 

Cutting Equipment
Cutting Speed 0-5600 - low rpm
0-6600 - high rpm

Residential Warranty 3 year limited

* These Technical Specs are provided by the manufacturer at the beginning of the model year. Please be aware that the manufacturer may decide to change these specs at any given time without notice.

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