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  • Servo Overview:

    The Spektrum RC S6400 Digital High Speed/High Torque Waterproof Metal Gear Servo is a premium solution for 1/10-scale RC enthusiasts demanding peak performance. Built on the foundation of the race-proven S6245, the S6400 adds a 25T output spline and delivers faster speeds and higher torque in a low-profile package. Its design makes it a great fit for racers, bashers, and crawlers alike, especially where space is limited but performance cannot be compromised. This high-voltage-compatible servo brings power, precision, and reliability to the forefront of your RC setup.

    About the Servo

    High Performance in a Compact Design

    The S6400 stands out with its blend of speed, torque, and durability, housed in a stylish black and silver aluminum case that not only looks great but also helps with heat dissipation. Its robust construction includes a hard-anodized 7075 aluminum output shaft and steel internal gears for superior longevity. Dual bearings and reinforced aluminum mounting tabs provide a secure fit and smoother operation under load. With high-voltage compatibility and a removable wire harness for easy wiring, the S6400 is engineered to meet the demanding needs of modern RC applications.

    Features:

    • Low-profile design for space-saving installations
    • 25T output spline for broad compatibility
    • Stylish stealth black and silver aluminum case
    • High torque: up to 266 oz-in at 7.4V
    • Ultra-fast response: 0.06 sec at 7.4V
    • High voltage (HV) compatible up to 7.4V
    • Removable wire harness with 2-inch extension included
    • 7075 aluminum output shaft and steel internal gears
    • Dual main output shaft bearings
    • Aluminum mounting tabs for secure fit

    Includes:

    • (1) S6400 Digital High Speed/High Torque Servo
    • (1) 2-inch Extension Wire
    • Servo Accessories

    Specifications:

    Application

    1/10
    Input Voltage

    6.0-7.4V
    Operating Speed @ 6.0V

    .08 sec/60°
    Operating Speed @ 7.4V

    .06 sec/60°
    Dynamic Torque @ 6.0V

    206 oz-in (14.83 Kg-cm)
    Dynamic Torque @ 7.4V

    266 oz-in (19.15 Kg-cm)
    Gear Material

    Metal
    Motor Type

    Brushed
    Output Shaft Spline

    25T
    Dimensions

    1.61×0.83×1.18in (41x21x30mm)
    Weight

    2.2oz (62g)

    This product was added to our catalog on June 17, 2025

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