Product Description
Premium 20V MAX* XR brushless drill/driver with 3-speed transmission, 1/2" nitro-carburized metal ratcheting chuck, 11 clutch settings, and 3-mode LED spotlight. Bare tool — battery and charger sold separately.
Overview
The Dewalt DCD991B 20V MAX* XR Brushless 3-Speed Drill/Driver delivers high power and efficiency for demanding applications. Equipped with a brushless motor, it provides up to 57% more runtime compared to brushed units. The heavy-duty 1/2" nitro-carburized metal ratcheting chuck with carbide inserts ensures superior bit gripping strength. Its 3-speed all-metal transmission optimizes tool-to-task performance, while the 3-mode LED offers up to 20 times brighter lighting than previous models, with a spotlight mode featuring a 20-minute shutoff for extended work in dark or confined spaces.
Key Features
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Dewalt-built high-power brushless motor for efficiency and runtime
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3-speed all-metal transmission (0–450 / 0–1300 / 0–2000 RPM)
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Heavy-duty 1/2" nitro-carburized metal ratcheting chuck with carbide inserts
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3-mode LED with spotlight mode and 20-minute shutoff
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Ergonomic comfort grip for balance and control
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Bare tool — battery and charger sold separately
Use Cases
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Heavy-duty drilling in wood, metal, and masonry
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Driving large fasteners and bolts
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Extended professional construction tasks
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Precision drilling with customizable speed control
Compatibility
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Works with Dewalt 20V MAX* XR batteries (sold separately)
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Compatible with Dewalt chargers and accessories
Benefits / Why Choose This Model
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Brushless motor for durability and runtime
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3-speed transmission for versatile applications
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Superior chuck strength with carbide inserts
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Advanced LED lighting for dark environments
FAQ
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Does it include batteries? → No, bare tool only
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What is the chuck size? → 1/2" nitro-carburized metal ratcheting chuck
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What are the speed ranges? → 0–450 / 0–1300 / 0–2000 RPM
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How many clutch settings? → 11
Technical Specs
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Model Number: DCD991B
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Chuck Size: 1/2" nitro-carburized metal ratcheting
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Clutch Settings: 11
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Max Power: 820 UWO
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No Load Speed: 0–450 / 0–1300 / 0–2000 RPM
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Speed Settings: 3
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Tool Weight: ~4.2 lbs
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Power Tool Type: Cordless
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System: 20V MAX* XR
Warranty Information
3-year limited warranty, 2-year free service, 90-day money-back guarantee.
Shipping Information
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Box Dimensions: 13" × 10" × 6"
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Package Weight: ~6 lbs
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Includes: DCD991 drill/driver, belt hook, 360° side handle, user guide
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Shipping Class: Premium cordless tool
Who This Is For
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Contractors
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Remodelers
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Heavy-duty professionals
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DIY homeowners needing premium performance
End-of-Page Summary
Dewalt DCD991B 20V MAX* XR Brushless 3-Speed Drill/Driver with 820 UWO motor, 3-speed transmission, 11 clutch settings, ergonomic grip, and advanced LED lighting. Bare tool — battery and charger sold separately.
