Servo selection: torque, speed, gears and voltage
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
HBL650SL*3+HBL680SL*1 Combo Pack
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
Why choose HBL650SL*3+HBL680SL*1 Combo Pack through RC-MODEL?
HBL650SL*3+HBL680SL*1 Combo Pack is an RC product from MKS Servo. This page focuses on what an end customer needs: fit, use cases, specifications and imagery, without prices or outbound supplier detours.
Fit and use
HBL650SL*3+HBL680SL*1 Combo Pack fits customers looking for MKS Servo items in Heli Series, Combo Packs, with RC-MODEL support for choosing the right configuration.
- Relevant category: Heli Series, Combo Packs
- Product identification for inquiry: model MKS-C0008001 / SKU MKS-C0008001
Key details
- Weight [g]: 54 per servo
- Dimensions: 40.5 x 20.5 x 23.1 mm per servo
- Manufacturer: MKS Servo
- Source Series: Heli Series / Combo Packs
- Working Voltage: 4.8V ~ 8.4V DC Volts
- Gear: Metal Alloy Gear
Before ordering
- Confirm dimensions, power system, radio compatibility or material size before purchase.
- Ask us to match required accessories, adhesives, hardware, batteries or replacement parts.
- RC-MODEL helps with fit checks, availability, compatible accessories and a formal quote in Israel.
HBL650SL*3+HBL680SL*1 Combo Pack from MKS Servo is organized here as a practical RC-MODEL product page with customer-focused selection guidance, structured specifications and product imagery. Supplier pricing and external buying routes are intentionally excluded from the storefront.
This item is intended for matched helicopter servo set. The pack helps keep cyclic and tail servo choices consistent instead of mixing unmatched servo families. MKS servos are a strong fit for pilots and RC drivers who care about accurate centering, fast response, reliable gear trains and confident control under load.
Motor: Japanese-made Brushless Motor. Gear train: Metal Alloy Gear. Voltage range: 4.8V ~ 8.4V DC Volts. Before installation, check receiver/BEC voltage, gyro or radio compatibility, servo bay dimensions, servo arm fit and the mechanical load of the model.
- Voltage: 4.8V ~ 8.4V DC Volts
- Dimensions: 40.5 x 20.5 x 23.1 mm per servo
- Weight: 54 per servo g
Key Specifications
| Product Code | C0008001 |
|---|---|
| Combo Contents | 3 x HBL650SL cyclic servo + 1 x HBL680SL tail servo |
| Source Series | Heli Series / Combo Packs |
| Category Use | 550-700 class helicopter cyclic and tail servo set |
| HBL650SL torque | 18.5 (6.0V) / 22.9 (7.4V) / 25.4 (8.2V) kg-cm |
| HBL650SL speed | 0.11 (6.0V) / 0.09 (7.4V) / 0.081 (8.2V) s/60° |
| HBL680SL torque | 7.0 (6.0V) / 8.6 (7.4V) / 9.5 (8.2V) kg-cm |
| HBL680SL speed | 0.056 (6.0V) / 0.045 (7.4V) / 0.041 (8.2V) s/60° |
| Working Voltage | 4.8V ~ 8.4V DC Volts |
| Gear | Metal Alloy Gear |
| Motor | Japanese-made Brushless Motor |
| Dimensions | 40.5 x 20.5 x 23.1 mm per servo |
| Weight [g] | 54 per servo |
| Intended for | Helicopters |
| Manufacturer | MKS Servo |
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
Which servo fits each RC aircraft type?
A buying table for matching servo size, torque, speed, gear type and voltage to trainers, gliders, 3D aircraft, EDF jets and Giant Scale models.
How to install servos and linkages correctly
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How to set Dual Rates and Expo on an RC transmitter
Make an aircraft calmer for beginners by setting low rates, high rates and expo without hiding mechanical setup problems.
How to set failsafe correctly on an RC aircraft
Failsafe setup for electric and fuel aircraft: throttle behavior, receiver signal loss, switch positions and safe verification before flight.
| Technical Specifications | |
| Weight [g] | 54 per servo |
| Intended for | Helicopters |
| Product Code | C0008001 |
| Manufacturer | MKS Servo |
| Source Series | Heli Series / Combo Packs |
| Working Voltage | 4.8V ~ 8.4V DC Volts |
| Gear | Metal Alloy Gear |
| Motor | Japanese-made Brushless Motor |
| Combo Contents | 3 x HBL650SL cyclic servo + 1 x HBL680SL tail servo |
| Category Use | 550-700 class helicopter cyclic and tail servo set |
| HBL650SL torque | 18.5 (6.0V) / 22.9 (7.4V) / 25.4 (8.2V) kg-cm |
| HBL650SL speed | 0.11 (6.0V) / 0.09 (7.4V) / 0.081 (8.2V) s/60° |
| HBL680SL torque | 7.0 (6.0V) / 8.6 (7.4V) / 9.5 (8.2V) kg-cm |
| HBL680SL speed | 0.056 (6.0V) / 0.045 (7.4V) / 0.041 (8.2V) s/60° |
| Dimensions | 40.5 x 20.5 x 23.1 mm per servo |
Tags: MKS Servo, HBL650SL*3+HBL680SL*1 Combo Pack, Heli Series, Combo Packs, RC servo