Brand, Model and Product Type

• Brand: Futaba
• Model: FUT05102725-3
• Product Type: Futaba FUT05102725-3 HPS-CT501 brushless servo with S.Bus2, Futaba FUT05102725-3 low profile servo 21kg 0.06s, Futaba FUT05102725-3 programmable HV servo for drift cars, Futaba FUT05102725-3 with metal gears and plastic case, Futaba HPS-CT501 servo with SR/UR mode and CIU-3 compatibility
• Product Color: Black

Dimensions

• Product Length: 4.1 cm – compact footprint for 1/10 scale RC chassis
• Product Width: 2.1 cm – streamlined for low-profile servo bays
• Product Height: 2.7 cm – optimized for tight mounting spaces
• Product Weight: 44 g – lightweight for responsive handling
• Shipping Weight: 0.09 kg – includes packaging and mounting accessories

Performance Specifications

• Torque at 7.4V: 21.0 kgf.cm – ideal for aggressive steering and throttle control
• Speed at 7.4V: 0.06 sec/60° – ultra-fast actuation for competitive driving

Motor and Signal Control

• Motor Type: Custom high-power brushless – ensures efficient, low-friction operation
• Signal Compatibility: PWM and S.Bus2 – supports both conventional and digital control systems
• Advanced Modes: SR mode (T7PX/7PXR), UR mode (T10PX) – enables ultra-responsive signal processing
• PC Connectivity: Compatible with CIU-2 / CIU-3 USB adapter – allows advanced programming and configuration

Construction and Materials

• Gear Type: Metal (1st, 2nd, 3rd, final) – built for durability under high-load conditions
• Bearings: Dual ball bearings – enhances mechanical efficiency and reduces wear
• Spline Count: 25T – compatible with Futaba-standard servo horns
• Case Material: Plastic (upper, middle, bottom) – lightweight housing optimized for RC car integration
• Cable Color: Black-grey – matches modern chassis aesthetics

Voltage and Power Requirements

• Rated Voltage: DC 6.0V – 7.4V – optimized for high-voltage RC systems
• Operating Voltage: DC 4.8V – 8.4V – supports a broad range of regulated power sources
• Battery Compatibility: Dry batteries and BEC systems not supported – use regulated LiPo or dedicated power modules only

Application and Use Case

• Servo Type: Low Profile – ideal for 1/10 scale RC drift and touring cars
• Use Case: Steering and throttle control – engineered for precision and speed
• Recommended Vehicles: Drift cars, touring cars, and 1/10 scale on-road/off-road platforms
• Scale Compatibility: Only for RC cars smaller than 1/5 scale

What’s in the Box

• 1 × Futaba HPS-CT501 Low Profile Brushless Servo
• Servo horns
• Mounting hardware

What You Require

• Compatible Futaba transmitter with SR/UR mode and S.Bus2 support
• Power source within 4.8V to 8.4V range
• CIU-2 or CIU-3 USB adapter for PC programming (sold separately)

Sold Separately

• Futaba transmitter with programmable servo settings
• CIU-2 / CIU-3 USB adapter

Product Description of Futaba FUT05102725-3 HPS-CT501 brushless servo with S.Bus2 

The Futaba FUT05102725-3 HPS-CT501 brushless servo with S.Bus2 is a high-performance low profile servo engineered for competitive RC car applications, including drift, touring, and 1/10 scale on-road and off-road setups. Delivering a torque output of 21.0kgf.cm and a blistering response time of 0.06 seconds per 60° at 7.4V, this servo offers the speed and authority needed for precision cornering and throttle control. The Futaba FUT05102725-3 low profile servo 21kg 0.06s features a custom high-power brushless motor, full metal gear train, and a lightweight plastic case—balancing strength and agility for race-grade performance. With support for SR and UR modes, S.Bus2 compatibility, and CIU-3 programmability, it’s built for drivers who demand total control.

Key features of the Futaba FUT05102725-3 HPS-CT501 brushless servo

• High-power brushless motor – delivers rapid response with low power draw
• Low profile design – ideal for tight chassis layouts in 1/10 scale RC cars
• Torque output – 21.0kgf.cm at 7.4V for confident steering and throttle precision
• Speed – 0.06 sec/60° at 7.4V for ultra-fast actuation during high-speed transitions
• Metal gear train – ensures durability under aggressive driving conditions
• 25T spline – compatible with Futaba-standard servo horns and linkages
• Plastic case – lightweight housing optimized for surface vehicle integration

Why is the Futaba FUT05102725-3 programmable HV servo for drift cars ideal for competitive setups?

The Futaba FUT05102725-3 programmable HV servo for drift cars is tailored for drivers who need precise control and rapid response in competitive environments. Its low profile form factor fits seamlessly into modern drift chassis, while the high-voltage brushless motor delivers consistent torque and speed. With programmable parameters accessible via CIU-3, users can fine-tune steering behavior to match track conditions and driving style. Whether you're executing high-angle slides or tight cornering, this servo provides the responsiveness and reliability needed to stay ahead.

How does the Futaba HPS-CT501 servo with SR/UR mode and CIU-3 compatibility enhance control fidelity?

Control fidelity is critical in RC racing, and the Futaba HPS-CT501 servo with SR/UR mode and CIU-3 compatibility delivers advanced signal processing for smoother, more accurate steering. SR mode (T7PX/7PXR) and UR mode (T10PX) reduce latency and improve resolution, allowing for real-time feedback and sharper handling. CIU-3 compatibility enables PC-based programming, giving users full control over speed curves, endpoints, and signal response. These features make the CT501 a top-tier choice for racers who demand precision at every turn.

What makes the Futaba FUT05102725-3 with metal gears and plastic case suitable for 1/10 scale RC cars?

Durability and weight balance are essential in 1/10 scale RC cars, and the Futaba FUT05102725-3 with metal gears and plastic case delivers both. The metal gear train withstands the rigors of competitive driving, while the plastic housing keeps weight low for optimal chassis dynamics. This combination ensures reliable performance without compromising agility, making it ideal for both on-road and off-road applications.

Is the Futaba low profile servo for 1/10 scale on-road and off-road RC compatible with advanced systems?

Yes. The Futaba low profile servo for 1/10 scale on-road and off-road RC supports both PWM and S.Bus2 protocols, ensuring compatibility with a wide range of receivers and transmitters. Its SR and UR mode support enables enhanced signal resolution for smoother control, while its programmable interface allows for tailored performance adjustments. Whether you're racing on asphalt or dirt, this servo adapts to your setup and driving style.

For RC enthusiasts seeking a fast, high-torque servo with advanced programmability and race-grade reliability, the affordable Futaba HPS-CT501 with 0.06s speed and 21kg torque is a standout choice. Buy Futaba FUT05102725-3 servo with horns and mounting hardware today.

Technical Specifications of Futaba FUT05102725-3 HPS-CT501 brushless servo with S.Bus2 

Brand, Model and Product Type

• Brand: Futaba
• Model: FUT05102725-3
• Product Type: Futaba FUT05102725-3 HPS-CT501 brushless servo with S.Bus2, Futaba FUT05102725-3 low profile servo 21kg 0.06s, Futaba FUT05102725-3 programmable HV servo for drift cars, Futaba FUT05102725-3 with metal gears and plastic case, Futaba HPS-CT501 servo with SR/UR mode and CIU-3 compatibility
• Product Color: Black

Dimensions

• Product Length: 4.1 cm – compact footprint for 1/10 scale RC chassis
• Product Width: 2.1 cm – streamlined for low-profile servo bays
• Product Height: 2.7 cm – optimized for tight mounting spaces
• Product Weight: 44 g – lightweight for responsive handling
• Shipping Weight: 0.09 kg – includes packaging and mounting accessories

Performance Specifications

• Torque at 7.4V: 21.0 kgf.cm – ideal for aggressive steering and throttle control
• Speed at 7.4V: 0.06 sec/60° – ultra-fast actuation for competitive driving

Motor and Signal Control

• Motor Type: Custom high-power brushless – ensures efficient, low-friction operation
• Signal Compatibility: PWM and S.Bus2 – supports both conventional and digital control systems
• Advanced Modes: SR mode (T7PX/7PXR), UR mode (T10PX) – enables ultra-responsive signal processing
• PC Connectivity: Compatible with CIU-2 / CIU-3 USB adapter – allows advanced programming and configuration

Construction and Materials

• Gear Type: Metal (1st, 2nd, 3rd, final) – built for durability under high-load conditions
• Bearings: Dual ball bearings – enhances mechanical efficiency and reduces wear
• Spline Count: 25T – compatible with Futaba-standard servo horns
• Case Material: Plastic (upper, middle, bottom) – lightweight housing optimized for RC car integration
• Cable Color: Black-grey – matches modern chassis aesthetics

Voltage and Power Requirements

• Rated Voltage: DC 6.0V – 7.4V – optimized for high-voltage RC systems
• Operating Voltage: DC 4.8V – 8.4V – supports a broad range of regulated power sources
• Battery Compatibility: Dry batteries and BEC systems not supported – use regulated LiPo or dedicated power modules only

Application and Use Case

• Servo Type: Low Profile – ideal for 1/10 scale RC drift and touring cars
• Use Case: Steering and throttle control – engineered for precision and speed
• Recommended Vehicles: Drift cars, touring cars, and 1/10 scale on-road/off-road platforms
• Scale Compatibility: Only for RC cars smaller than 1/5 scale

What’s in the Box

• 1 × Futaba HPS-CT501 Low Profile Brushless Servo
• Servo horns
• Mounting hardware

What You Require

• Compatible Futaba transmitter with SR/UR mode and S.Bus2 support
• Power source within 4.8V to 8.4V range
• CIU-2 or CIU-3 USB adapter for PC programming (sold separately)

Sold Separately

• Futaba transmitter with programmable servo settings
• CIU-2 / CIU-3 USB adapter

We want to make sure your delivery goes smoothly, so here are some important details about our service:

• For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
• Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
• Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
• If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
• We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
• As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
• If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
• For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.