? Product Overview
The XQ-S8035D is a flagship high-torque digital servo engineered for demanding applications that require both extreme power and rapid response. Delivering a massive 40kg.cm of torque at 8.4V with an ultra-fast speed of 0.088s, it is the ultimate solution for large-scale RC aircraft, industrial robotics, and heavy-duty automation tasks. Built with a full CNC-machined aluminium housing and rugged stainless steel gears, the S8035D is designed to withstand extreme mechanical stress while maintaining precision.

?️ Technical Specifications
| Item | Details |
|---|---|
| Product Name | XQ-S8035D (8.4V 40kg-cm High Voltage Digital Servo) |
| Size | 20 * 40 * 38 mm |
| Weight | 73g ± 0.2g (2.57oz) excluding accessories |
| Gear Type | Stainless Steel Gears |
| Motor Type | High-Quality Coreless Motor |
| Case Material | CNC All Aluminium Case (Premium Heat Dissipation) |
| Protection | Waterproof, Tamper-proof servo wire |
| Input Voltage | 6.0 V ~ 8.4 V |
⚡ Performance Matrix
| Operating Voltage | Speed (sec/60°) | Torque (kg.cm) | Torque (oz-in) |
|---|---|---|---|
| 6.0 V | 0.131 | 28 | 389 |
| 7.4 V | 0.104 | 34 | 472 |
| 8.4 V | 0.088 | 40 | 556 |
? Key Technical Highlights
- Massive 40kg-cm Torque Output The XQ-S8035D provides exceptional holding power and torque, making it capable of controlling large control surfaces or heavy robotic joints under high aerodynamic or mechanical loads.
- Lightning-Fast 0.088s Response Despite its high torque, this servo does not compromise on speed. At 8.4V, it reaches a blinding 0.088 sec/60°, ensuring instantaneous response for dynamic maneuvers and stabilization systems.
- Superior Thermal Stability & Durability The full CNC-machined aluminium case acts as a massive heat sink, effectively preventing thermal drift during continuous heavy-duty use. The internal stainless steel gear train is optimized for zero-slop precision and extreme impact resistance.
Frequently Asked Questions
Yes, the XQ-S8035D is a true high-voltage servo. It is designed to handle 8.4V direct input from a 2S LiPo battery, allowing you to unlock its maximum 40kg.cm torque and 0.088s speed without an external BEC.
In industrial environments, servos often run for extended periods. The CNC all-aluminium housing prevents the motor from overheating, extending the lifespan of the coreless motor and ensuring consistent torque output under heavy duty cycles.
? Take Action
Ready to push the limits of performance? Equip your next project with the XQ-S8035D to experience unmatched torque and speed.