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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