Dewalt DCD771C2 vs DCD991P2: A Comprehensive Drill Comparison

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Written By John Gibbs

 

 

 

» Power Tools » Drill » Power Drills Comparisons » Dewalt Drills Comparison » Dewalt DCD771C2 vs DCD991P2: A Comprehensive Drill Comparison

Overview of DCD771C2

The DCD771C2 20V max Lithium Ion Compact Cordless Power Drill/Driver Kit is a high-performance, cordless drill specifically designed to meet a variety of application needs. The lightweight and compact design is ideal for working in tight spaces for extended periods of time. The drill offers two speed variations, allowing users to choose the level of performance needed for their particular application.

Features Includes
  • Compact, lightweight design fits into tight areas
  • High performance motor delivers 300 unit watts out (UWO) of power ability completing a wide range of applications
  • High speed transmission delivers two speeds (0-450 & 1,500 rpm) for a range of fastening and drilling applications
  • 1/2″ single sleeve ratcheting chuck provides tight bit gripping strength
  • Ergonomic handle delivers comfort and control
  • NEW 18V XR Li-Ion compact drill driver featuring XR 1.3Ah Li-Ion battery technology
  • (1) DCD771 1/2″ Drill Driver
  • (2) 20V Max* Compact Lithium Ion Battery Packs
  • (1) Compact Charger
  • (1) Contractor Bag

The package includes a DCD771 1/2″ Drill Driver, two 20V Max* Compact Lithium Ion Battery Packs, a Compact Charger, and a Contractor Bag for easy transportation. The high-speed transmission of this cordless drill with battery and charger delivers two-speed variations (0-450 & 1,500 rpm) allowing users to choose the level of performance needed for various applications.

Overview of DCD991P2

The DCD991P2 20V MAX* XR® Lithium Ion Brushless Premium 3-Speed Drill/Driver is a high-performance, cordless drill that is designed for versatility and power. It features a 3-speed, all-metal high performance transmission for optimized application speeds and improved run time. The tool is equipped with a built-in LED spotlight mode with a 20-minute shutoff function, which enhances productivity in dark or confined spaces.

Features Includes
  • 3-speed, all-metal high performance transmission optimizes tool-to-task for fast application speeds and improved run-time
  • DEWALT-built high power, high efficiency brushless motor delivers up to 57% more run time over brushed
  • Heavy-duty 1/2″ ratcheting nitro-carburized metal chuck with carbide inserts for superior bit gripping strength
  • 3-Mode LED provides lighting in dark or confined spaces up to 20X brighter than previous model
  • LED Spotlight Mode features 20 minute shutoff function allowing for extended work time in dark or confined spaces
  • (1) DCD991 – 20V MAX* XR® Lithium Ion Brushless Premium 3-Speed Drill/Driver
  • (2) DCB205 – 20V MAX* XR® High Capacity Li-Ion Batteries (5.0Ah)
  • (1) Charger
  • (1) Belt Hook
  • (1) 360° Side Handle
  • (1) Kitbox

The package includes a DCD991 – 20V MAX* XR® Lithium Ion Brushless Premium 3-Speed Drill/Driver, two DCB205 – 20V MAX* XR® High Capacity Li-Ion Batteries (5.0Ah), a Charger, a Belt Hook, a 360° Side Handle, and a Kitbox for easy storage and transport. This cordless drill with battery and charger is equipped with a 3-speed transmission to help optimize speed of application and a 1/2-inch ratcheting nitro-carburized metal chuck for superior bit gripping strength. LED spotlight mode features 20 minute shut-off function allowing for extended work time in dark or confined spaces.

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Summary of Specifications

Specifications DCD771C2 DCD991P2
Chuck size 0.5 in N/A
Clutch Positions 16 N/A
No Load Speed (RPM) 0-450-1500 0-450/1300/2000
Weight (Including Battery) 4 lbs N/A
Battery Chemistry XR Li-ion XR Li-ion
Battery Capacity 1.3 Ah 5 Ah
Tool Weight 3.6 lbs N/A
Power Output 300 W 820 W
Uncertainty K1 (Vibration) 1.5 m/s2 N/A
Voltage 20 V 18 V
Number of Pieces 1 N/A
Uncertainty K2 (Vibration) 1.5 m/s2 N/A

User reviews of DCD771C2

Positive User Reviews Summary for DCD771C2

  • Many users praised the DCD771C2’s ergonomic design and balance, stating that it feels good to use.
  • It has been commended for its durability and long battery life, with users noting that the batteries hold their charge well even after hours of use.
  • Customers appreciated the inclusion of two batteries in the package, mentioning it adds value for the price.
  • The drill’s power and performance were frequently mentioned, with users noting it can easily handle various projects, from small home tasks to more heavy-duty applications.
  • The instruction book that comes with the drill was praised for being easy to understand, making it user-friendly even for beginners.
  • Users were impressed with the light feature of the drill, which they found very useful when working in dim settings.
  • The variable speed trigger was noted for its easy control, enhancing the overall user experience.
  • Customers also appreciated the drill’s fast and efficient delivery service.
  • The quality of DeWalt products was frequently mentioned, with users expressing satisfaction and trust in the brand.

Critical User Reviews Summary for DCD771C2

  • Some users reported the drill stopped working after a relatively short period of use, with one mentioning that the motor would not kick in despite the batteries being charged.
  • A few users expressed dissatisfaction with the warranty service, stating that it does not seem to cover much and is not honored properly.
  • The drill’s battery life was criticized by several users, with one stating that it is worse than cheaper drills and another that the batteries went dead within 20 minutes of semi-constant use.
  • There were complaints about the drill not coming with bits, and one user mentioned a missing chuck upon delivery.
  • Some users felt that the drill is not suitable for heavy-duty tasks, with it being hard to drill into harder woods and running hot quickly.
  • There were criticisms about the packaging, specifically the lack of a hard shell case for secure storage.
  • A few users commented on the drill’s weight, suggesting it could be too heavy for some people.

User reviews of DCD991P2

Summary of Positive User Reviews for DCD991P2

  • Users appreciate the tool’s weight and balance, remarking that it’s comfortable to use for extended periods.
  • The drill’s power and torque are consistently praised, with users highlighting its performance in both professional and hobbyist settings, such as automotive work, masonry, and ice fishing.
  • Many users note the drill’s versatility, with features like the three-speed transmission and LED illumination adding to its overall utility.
  • The inclusion of two batteries in the kit is seen as a big plus, enabling continuous work without interruptions for charging.
  • The drill’s durability and robust construction are also frequently mentioned, with users expecting it to last a long time.
  • Users appreciate the “Made in USA” campaign and the quality of the components used in the drill.
  • Despite some minor issues with the keyless chuck and speed selector, users overwhelmingly rate the drill highly and would recommend it to others.
  • The battery life is deemed impressive, with users reporting that it holds a charge for a long time and can handle substantial workloads on a single charge.
  • The drill’s hard case is seen as a useful feature, offering protection and organized storage, although some users wish it had room for additional accessories.

Summary of Critical User Reviews for DCD991P2

  • Several users reported receiving damaged cases, which affected their overall satisfaction despite the drill itself being in good condition.
  • Issues with the chuck and speed selector were commonly mentioned, with users experiencing difficulties in adjusting and using these features.
  • The electronic torque control has been criticized for its performance, with some users preferring the previous mechanical system.
  • A few users experienced complete failure of the drill within the warranty period, leading to dissatisfaction with DeWalt’s warranty service.
  • The unreliability of the clutch (torque adjustment) was a major concern for several users, who found it inconsistent and difficult to use for precise tasks.
  • Some users had issues with the batteries, reporting that they stopped working after a few months of light usage.
  • There were general concerns about the overall build quality of the drill, with users noting that the quality seems to be deteriorating, with more plastic and flimsy buttons.
  • Several users mentioned a design flaw with the chuck jamming, leading them to suggest potential buyers check repair videos before purchasing.
  • Some users were disappointed that the drill did not come with a screwdriver bit, expecting it to be included in the high price of the product.
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Pros and Cons of the Compared Products

Pros/Cons of DCD771C2

Pros Cons
Ergonomic design and good balance Some units stopped working after short use
Durable with long battery life Dissatisfaction with the warranty service
Inclusion of two batteries in the package Some users criticized the battery life
Powerful performance, suitable for various projects No bits included; some users reported missing chuck on delivery
Easy-to-understand instruction book Not suitable for heavy-duty tasks according to some users
Useful light feature when working in dim settings Complaints about lack of hard shell case for secure storage
Easy-to-control variable speed trigger Can be too heavy for some people
Fast and efficient delivery service
High quality product from a trusted brand

Pros/Cons of DCD991P2

Pros Cons
Comfortable weight and balance for extended use Several users received damaged cases
Powerful performance in various settings Issues with adjusting and using the chuck and speed selector
Versatility with features like three-speed transmission and LED light Criticisms of the electronic torque control performance
Includes two batteries for continuous work Some drills failed within the warranty period
Durable and robust construction Unreliable and inconsistent clutch (torque adjustment)
Appreciation for “Made in USA” quality Batteries stopped working after a few months in some cases
Impressive battery life Concerns about overall build quality and materials used
Hard case included for protection and organized storage Design flaw with chuck jamming reported by users
Drill did not come with a screwdriver bit

Conclusion

In conclusion, both the DCD771C2 and the DCD991P2 drills from Dewalt offer unique features that cater to different needs of users. The DCD771C2 is lightweight and compact, ideal for users needing to work in tight spaces for long periods. On the other hand, the DCD991P2 offers more power and extended battery capacity, making it suitable for heavier tasks. It’s important to consider these aspects along with the specific specs to choose the drill that best fits your requirements.

 

About John Gibbs

Hello everyone! My name is John Gibbs. I am 60 years old and have been in the family construction business all my adult life. Construction is not only my profession but also my passion. I know everything about building and repair materials, tools, advanced methods, techniques, and approaches. I will share the same knowledge with you in my articles.

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