
Product Overview
The XQ-BLS8145D is a professional-grade, ultra-high torque brushless digital servo engineered for the most demanding applications. Delivering a massive 48kg-cm (666 oz-in) of peak torque at 8.4V, this servo sets a new standard for power-to-weight ratio in the standard 20mm category.
Technical Specifications
| Item No. | XQ-BLS8145D (High-Torque Brushless Servo) |
|---|---|
| Size | 20 * 40 * 38 mm |
| Weight | 77g ± 0.2g (2.7oz) |
| Gear Type | Heavy-Duty Stainless Steel Gears |
| Motor Type | High-Performance Brushless Motor (BLDC) |
| Case Material | Full CNC-Machined Aerospace Aluminum Housing |
| Voltage | 6.0 V ~ 8.4 V |
| Protection | IP67 Waterproof |
Performance Matrix
| Voltage | Speed (sec/60°) | Torque (kg.cm) |
|---|---|---|
| 6.0 V | 0.144 | 37 |
| 7.4 V | 0.122 | 43 |
| 8.4 V | 0.106 | 48 |

Key Technical Highlights
1. Massive 48kg.cm Torque Output
Optimized for 8.4V HV systems, producing incredible holding power for 1/5 & 1/8 scale RC and industrial automation.
2. Toughened Stainless Steel Geartrain
Precision-cut stainless steel gears to handle extreme output, ensuring long-term structural integrity and zero-backlash.
3. Superior Thermal Management (Full CNC Case)
Aerospace aluminum case acts as a heatsink to rapidly dissipate heat during continuous high-load operation.
4. IP67 Waterproof Protection
O-ring seals and tamper-proof wire exit for complete safety in mud, rain, and snow.
Frequently Asked Questions
A: Yes, native HV support (up to 8.4V) maximizes torque and speed without a BEC.
A: Perfect high-power, space-saving upgrade for throttle/brake or steering in large scale models.
Take Action
Ready to deploy the absolute pinnacle of torque and precision? The XQ-S8060D provides the ultimate heavy-duty motion solution for professional robotic and industrial projects.