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.
