Part Location Diagram of N279939 DeWALT Motor And Mount Assembly
See part 5 in the diagram
( Grid squares measure 1x1 inch )

Motor And Mount Assembly N279939

Manufactured by:
DeWALT
ERP Number:
ERP10189076
Part Number:
N279939
Original Equipment Manufacturer ?
In Stock
Delivers in 3-5 Business Days!

Easy 

15 - 30 mins 

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Product Description

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This is an authentic replacement part manufactured for use with DeWalt compact drill/drivers. The motor and mount is a complete replacement part used to drive the transmission. The motor is sold as a complete replacement part, please see model diagram for associative parts.

Troubleshooting

This part works with the following brands:
  • DeWALT
  • Craftsman
This part works with the following products:
  • Cordless Drill

Customer Part Reviews

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5.0
Average Rating (out of 5):
★★★★★
★★★★★
(12 Reviews)
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Questions & Answers

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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

Easy 

15 - 30 mins 

(14 rated repairs) ?
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Burnt motor

James from Wichita, Kansas

12 of 12 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
N279939
Removed the outer housing. Separated the motor from the gears. With a soldering station heated solder on leads on motor,and simply pulled wires out. Soldered leads to new motor, reassembled. . When you remove the motor from the gearbox, be sure that the chuck end is facing down. If you don\'t, the gears will fall out.
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Motor burnt out

Steven from North Scituate, Rhode Island

8 of 8 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers
Parts Used:
N279939
Removed the screws from the housing
Carefully remove the motor from the gear assembly
Used a soldering gun to remove the wire leads
Soldered the wires to the new motor
Placed the motor in the housing and into the gear assembly
Made sure all of the parts were all lined up
Screwed the housings back togeth er
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Cordless drill not working. drill was not functioning.

mike from Pompano Beach, Florida

5 of 5 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
N279939
Removed case from drill. Had voltage going to the motor but motor not rotating. Replaced motor assembly by removing wires to motor(solder iron). Soldered wires on new motor and reassembled unit.The drill is functioning as it should.Heat shrink tubing supplied with new part.
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Motor and transmission broke

Prentice from Elk city, Oklahoma

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
N279940, N279939
Split case replaced motor and transmission soldered wires and reassembled
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Motor burnt up.

patrick from huntsville, Tennessee

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Nutdriver, Screw drivers, Wrench set
Parts Used:
N279939
Replaced the motor.
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burned out motor

mark from Enumclaw, Washington

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers
Parts Used:
N279939
took the screws out unscrewed the motor re soldered the wires lined op all the parts and put the two halves back together put in the screws put in a battery and it worked fine
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Motor got too hot and locked up

Joe from West Memphis, Arkansas

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Socket set
Parts Used:
N279939
Removed the T15 screws and split the drill in half. Removed old motor and replaced with new motor. Put the two halves back together and it works like a new one!
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Sparks from cordless drill and smoke with bad small (melted plastic)

Dmitiry from Charlotte, North Carolina

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Parts Used:
N279939
1. Removed battery from tool.
2. Removed all torx screws on cover.
3. Removed cover.
4. Desolder the power wire from motor (red for positive and black for negative).
5. Gently remove motor.
6. Put the new motor.
7. Soldered power wire (red to red, black to black).
8. Put all together.
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The motor was burned up.

Ray from Orlando, Florida

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
Parts Used:
N279939
I took the dewalt drill apart and found out the motor was shut.
I ordered the part from replacement. Com. It came in pretty fast. Great job.
I replaced the motor to the drill and all the other parts needed.
It was not hard with this drill.
Thnks to replacement.com.
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Motor went to crap after 15 years

Charles from VICTORIA, Texas

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
N279939
Took it apart waited on new part installed new part
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Model Cross Reference

This part works with the following models:
ERP Number: ERP10189076
Manufacturer Part Number: N279939
Brand Model Number Description
Craftsman CMCD701C2 Cordless Drill - 20v Max Compact Dri
DeWALT DCD771 Cordless Drill - 20V Max Cordless Compact Drill/Driver
DeWALT DCD771C2 Cordless Drill - 20V Compact Drill Driver Kit
DeWALT DCD771C2R Cordless Drill - Cordless Drill/Driver