Spektrum SPMS905 S905 Standard 40KG 15T Waterproof Metal Gear Surface Servo

The Spektrum S905 Standard Waterproof Surface Servo (SPMS905) is a high-torque, heavy-duty servo built to handle the demands of 1/5-scale RC vehicles and other high-stress surface applications. Delivering an impressive 40kg of torque, this servo features hardened metal gears, full waterproofing, and a 15T spline output, making it ideal for steering large-scale trucks, buggies, and bashers.

Its robust build and standard-size footprint make it a drop-in upgrade or replacement for many large RC platforms. Whether you're tackling tough terrain or competing in extreme conditions, the S905 is engineered for reliable, consistent performance when it matters most.

Key Features:

• Part Number: SPMS905

• Torque: 40kg-cm (555 oz-in @ 7.4V)

• Input Voltage: 6.0 – 8.4V

• Gears: All-metal gear train

• Waterproof: Yes – fully sealed case

• Spline Count: 15T

• Size: Standard servo dimensions

• Connector Type: JR-style

Benefits:

• Massive 40kg torque for 1/5-scale steering demands

• Durable metal gears resist wear under high loads

• Fully waterproof for all-weather operation

• Compatible with large-scale surface platforms

• Trusted Spektrum quality and reliability

Conquer any terrain with confidence using the Spektrum SPMS905 S905 40KG Waterproof Metal Gear Servo—built to perform under pressure.