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Description
RS550 DC Motors 10.8V/12V/14.4V/16.8V/18V/21V/25V Drill Motor with 9/11/12/13/14/15 Teeth High Torque Gear Box Electric Motor Screwdriver
Features:
- RS550 with 0 gear, 9-15 gear teeth DC motor, are specially designed for replacement rechargeable lithium battery cordless electric drill / screwdriver.
- Stainless steel shell material, Pure copper coil, low current, high efficiency, strong output power.
- Low noise, high speed and high torque, good heat dissipation, stable performance and long life.
- Easy to use, the front can be fixed with 2 M3 screws.
- Widely used in cordless drill, table drill, electric drill and electric screwdriver etc.
Detailed Description:
Motor Model: RS550
Material: Metal
Number of gears: 9 teeth, 11 teeth, 12 teeth, 13 teeth, 14 teeth, 15 teeth
Voltage: 10.8V / 12V / 14.4V / 16.8V / 18V / 21V / 25V
No load Speed: 21500-29000RPM
Rated Power: 80W
Size:
Motor length: 75.1mm
Motor diameter: 37.2mm
Motor shaft length: 12mm
Motor shaft diameter: 3.2mm
Motor gear diameter: 7.9mm (9 Teeth), 8.8mm(11 Teeth),8.6mm(12Teeth),9.2mm(13 Teeth), 8.2mm(14 Teeth)9.5mm(14 Teeth),10.4mm(15 Teeth)
Motor gear thickness: 6.5mm (9 Teeth), 5.2mm (11 Teeth),5.2mm(12Teeth), 3.8mm (13 Teeth), 6.8(14 Teeth),5.8mm(14 Teeth),8.0mm(15 Teeth)
Motor installation hole distance: 25mm
How to choose a motor for a rechargeable electric drill / screwdriver:
1. Confirm your motor model is RS550 or motor diameter(about 37.2mm), and motor body length(about 57mm), and total length(about 75.1mm).
2. Confirm the voltage of your motor (DC10.8V-25V) and choose a motor with the same or similar voltage.
3. Confirm the number of teeth of your motor (0teeth, 9-15 teeth), make sure to choose the motor with the same number of teeth, and verify that the outer diameter and thickness of the gears are the same or similar.
Part of applicable lithium electric drill models:
10.8V: GSR 10.8-2-LI, GSB 10.8-2-LI, GSR 108-2-LI, GSB 108-2-LI
12V: GSR 12-2-LI, GSB 12-2-LI, GSR 120-LI, GSB 120-LI
14.4V: GSR 14.4-2-LI, GSB 14.4-2-LI, GSR 144-2-LI, GSB 144-2-LI
18V: GSR 18-2-LI, GSB 18-2-LI, GSR 180-2-LI, GSB 180-2-LI
GSR 10.8 V LI-2 - 3 601 H68 100, GSR 12-LI - 3 601 J92 901
GSR 12-2-LI - 3 601 H68 101, PS21 - 3 601 J92 910
GSR 12V-15 - 3 601 H68 102, PS21 - 3 601 J92 911
PS31 - 3 601 H68 110, GSR 10.8 V LI - 3 601 J92 9E0
PS31 - 3 601 H68 111, GSR 10.8 V LI - 3 601 J92 9F0
GSR 10.8-2-LI - 3 601 H68 150, GSR 10.8 V LI - 3 601 J92 9G0
GSR 10.8-2-LI - 3 601 H68 180, GSR 10.8 V LI - 3 601 J92 9H0
GSR 12-2-LI - 3 601 H68 181, GSR 12V-15FC - 3 601 JF6 000
GSR 10.8-2-LI - 3 601 H68 1B0, GSR 12V-140FC - 3 601 JF6 010
GSR 10.8-2-LI - 3 601 H68 1C0, GSR 10.8-15 FC - 3 601 JF6 050
GSR 10.8-2-LI - 3 601 H68 1E0, GSR 12V-15FC - 3 601 JF6 080
GSR 10.8-2-LI - 3 601 H68 1G0, GSR 10.8-15 FC - 3 601 JF6 0B0
GSR 10.8-2-LI - 3 601 H68 1E0, GSR 12V-15FC - 3 601 JF6 080
GSR 10.8-2-LI - 3 601 H68 1G0, GSR 10.8-15 FC - 3 601 JF6 0B0
GSR 10.8-2-LI - 3 601 H68 1H0, GSR 12V-15FC - 3 601 JF6 0E0
GSR 12-2-LI - 3 601 H68 1L0, GSR 12V-15FC - 3 601 JF6 0K0
Note
If it is found that the motor has moved down and the cooling fan is stuck like in the picture due to transportation, and the magnetic tile inside is not broken, a screwdriver can be used to push it up from the fan mouth to the appropriate position, and the motor can operate normally.
Package include
Package included:
1x RS550 Electric Motor


























Customer Reviews
734 ratings
works well (35)
fast delivery (33)
satisfactory (32)
works as expected (25)
ok (20)
satisfied (13)
Customer photos (30)
A***a
February 13, 2026
Variant: Gear Count:9Teeth 7.9mm Voltage:18V Ships From:China Mainland
Ottimo prodotto
A***a
February 13, 2026
Variant: Gear Count:13Teeth 9.2mm Voltage:18V Ships From:China Mainland
Ottimo prodotto
V***r
December 17, 2025
Variant: Gear Count:14teeth 8.2mm Voltage:21V Ships From:China Mainland
Installed it successfully and works.
j***o
December 2, 2025
Variant: Gear Count:13Teeth 9.2mm Voltage:14.4 V Ships From:China Mainland
Todo ok
T***h
December 1, 2025
Variant: Gear Count:12Teeth 8.6mm Voltage:21V Ships From:China Mainland
wszystko ok
Buyer from United States
November 11, 2025
Variant: Gear Count:12Teeth 8.6mm Voltage:10.8v Ships From:China Mainland
The motor arrived very quickly and it fitted and works perfectly. very pleased.
RS550 DC Motor 10.8V/12V/16.8V/18V/21V Micro Electric Screwdriver Motors with 9/11/12/13/14/15 Teeth High Torque Gear Box Motor
Quantity:
1
Availability:
Not Available






