LEGO 45503 EV3 Medium Servo Motor is a Mindstorms set currently valued at $89 for new and sealed sets. Annual appreciation has averaged 9.04% since release. On the used market, values range from $20 to $29 based on condition.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set EV3 Medium Servo Motor since June 2016. Very high accuracy
LEGO 45503 EV3 Medium Servo Motor is a Mindstorms EV3 set released in 2013, consisting of 1 piece. It is an accessory motor for the LEGO Mindstorms EV3 system and includes tacho feedback for control to within one degree of accuracy, along with a built-in rotation sensor and auto-ID support in EV3 software. The motor has a running torque of 8 N/cm, a stall torque of 12 N/cm, and operates at approximately 240 to 250 RPM. It was sold as a separate EV3 component for robotics and programmable model applications.

A new and sealed EV3 Medium Servo Motor is currently valued at around $89, with annual growth of approximately 9%, which is higher than other EV3 sets. The average used price is $24 for those in good overall condition. New and sealed listings currently range from $65 to $89. Based on current trends, this set could be valued near $97 within the next year.

For Sale (New/Sealed)

(US) NEW SEALED LEGO Power Functions Mindstorms EV3 Medium Servo Motor 45503 99455
BrickEconomy Choice
$64.99
(US) If you need more, let me know $64.99
-27.1%
(US) Mindstorms Ev3 Medium Servo Motor 45503 $85.95
-3.5%
(US) BrickLink store Intelligent Brick $88.95
-0.2%
(HK) BrickLink store Funny_bricks $89.35
+0.3%
(LT) Brand new, factory sealed $92.86
+4.2%
(US) Amazon listing for EV3 Medium Servo Motor $93.56
+5.0%

Sale Trends

This chart shows the sales trends (number sold) of new/sealed 45503 EV3 Medium Servo Motor.

Sets in Mindstorms / EV3

31313 Mindstorms EV3

Theme / Subtheme Mindstorms / EV3
Year 2013
Pieces 601
Availability Retired
31313 LEGO Mindstorms EV3
Retail $349.99
Value $529.96
Growth  +51.4%
Annual growth 6.0%

45500 EV3 Intelligent Brick

Theme / Subtheme Mindstorms / EV3
Year 2013
Pieces 1
Availability Retired
45500 LEGO Mindstorms EV3 Intelligent Brick
Retail $189.99
Value $199.69
Growth  +5.1%
Annual growth 2.4%

45502 EV3 Large Servo Motor

Theme / Subtheme Mindstorms / EV3
Year 2013
Pieces 1
Availability Retired
45502 LEGO Mindstorms EV3 Large Servo Motor
Retail $24.99
Value $105.20
Growth  +321.0%
Annual growth 14.6%

45504 EV3 Ultrasonic Sensor

Theme / Subtheme Mindstorms / EV3
Year 2013
Pieces 1
Availability Retired
45504 LEGO Mindstorms EV3 Ultrasonic Sensor
Retail $29.99
Value $60.03
Growth  +100.2%
Annual growth 4.8%

45505 EV3 Gyro Sensor

Theme / Subtheme Mindstorms / EV3
Year 2013
Pieces 1
Availability Retired
45505 LEGO Mindstorms EV3 Gyro Sensor
Retail $29.99
Value $34.67
Growth  +15.6%
Annual growth 1.6%

45506 EV3 Color Sensor

Theme / Subtheme Mindstorms / EV3
Year 2013
Pieces 1
Availability Retired
45506 LEGO Mindstorms EV3 Color Sensor
Retail $39.99
Value $68.92
Growth  +72.3%
Annual growth 3.6%

45507 EV3 Touch Sensor

Theme / Subtheme Mindstorms / EV3
Year 2013
Pieces 1
Availability Retired
45507 LEGO Mindstorms EV3 Touch Sensor
Retail $19.99
Value $22.79
Growth  +14.0%
Annual growth 2.9%

45508 EV3 Infrared Beacon

Theme / Subtheme Mindstorms / EV3
Year 2013
Pieces 1
Availability Retired
45508 LEGO Mindstorms EV3 Infrared Beacon
Retail $29.99
Value $36.24
Growth  +20.8%
Annual growth 2.0%

45509 EV3 Infrared Sensor

Theme / Subtheme Mindstorms / EV3
Year 2013
Pieces 1
Availability Retired
45509 LEGO Mindstorms EV3 Infrared Sensor
Retail $29.99
Value $45.66
Growth  +52.3%
Annual growth 3.4%
The EV3 Medium Servo Motor is great for lower-load, higher speed applications and when faster response times and a smaller profile are needed in the robot’s design. The motor uses tacho feedback for precise control within one degree of accuracy and has a built-in rotation sensor. Tacho feedback to one degree of accuracy 240-250 RPM Running torque of 8 N/cm (approximately 11 oz/in) Stall torque of 12 N/cm (approximately 17 oz/in) Auto-ID is built into the EV3 software.
Description provided by LEGO©