Overview
The SAVOX HI TORQUE DIGITAL SERVO ALU CASE 30KG/0.13s@6.0V PLUS represents the pinnacle of servo engineering, combining cutting-edge digital technology with robust mechanical construction. This is a premium servo designed specifically for demanding RC applications where precision, strength and reliability are non-negotiable. Whether you're piloting a rock crawler across challenging terrain, commanding a high-performance monster truck, or controlling an 1/8th scale vehicle that demands absolute control, this servo delivers the performance you need. Savox has engineered this model to handle the stresses and demands of serious RC enthusiasts and competitors who refuse to compromise on quality. The servo is backed by a full 1 year warranty, giving you peace of mind with every purchase from RC Model Shop.
Trust Savox for your large scale model with this updated range of high performance servos from Savox, especially designed to handle the stresses of large scale flying whether it be jet, 3D, or scale. Improved torque ratings and low gear backlash provide the ultimate in precise accurate movement time after time. All SA servos come supplied with larger, longer servo horns and aircraft rubber mounting hardware to make your build as trouble free as possible. This is the Plus version of the acclaimed SA1283SG, featuring the new Soft Start Mode and Sanwa SSR compatibility, making it the ideal choice for those upgrading their RC car UK setup with professional-grade components.
The SA1283SG+ represents a significant advancement in servo technology, offering servo enthusiasts across the UK a reliable, powerful solution that performs consistently in challenging conditions. Whether you're a seasoned competitor, a weekend basher, or a serious hobbyist, this servo will elevate your RC experience to new heights with its exceptional specifications and proven build quality.
Key Features
- 12-bit (4096) Resolution Digital Technology — This servo features super high 12-bit resolution, which means it processes control signals with extraordinary precision and accuracy, translating to incredibly smooth and responsive movement that responds to even the finest control inputs from your transmitter.
- Exceptional 30kg Torque at 6.0V — Delivering an impressive 30kg of holding torque at 6 volts (416.67 oz-in), this servo provides the raw power needed to handle heavy steering loads, aggressive off-road driving, and demanding 3D flying manoeuvres without losing control or stalling.
- Lightning-Fast 0.13 Second Speed at 6.0V — With a response time of just 0.13 seconds per 60 degrees at 6 volts, this servo ranks among the fastest in its class, ensuring your control inputs are executed almost instantaneously for immediate feedback and precise vehicle guidance.
- Unique Steel Gears for Durability — The specially engineered steel gear system is far stronger than standard plastic alternatives, ensuring long service life and reliability even under continuous heavy use, high torque applications, and competitive racing conditions.
- Full Aluminium Case Design — The complete aluminium case construction provides exceptional durability and heat dissipation, protecting internal components whilst maintaining a lightweight profile essential for responsive RC performance.
- Coreless Motor Technology — The coreless motor design delivers smoother operation, faster response times, and improved efficiency compared to traditional cored motors, translating to better control precision and reduced power consumption.
- Double Ball Bearing Construction — Two high-quality ball bearings support the output shaft, ensuring smooth rotation, reduced friction, minimal backlash, and extended component lifespan even in extreme operating conditions.
- Soft Start Mode on Plus Version — The new Soft Start Mode feature on this Plus variant reduces mechanical stress during servo initialisation, protecting gears and components whilst providing smoother servo engagement.
- Sanwa SSR Compatibility — The Plus model includes full compatibility with Sanwa SSR systems, allowing seamless integration with modern radio setups and advanced control protocols used by professional RC competitors.
- Larger Servo Horns and Aircraft Mounting Hardware — Every servo comes supplied with generous servo horns and aircraft-grade rubber mounting hardware, simplifying installation and providing vibration isolation for cleaner control response.
- Wide Operating Temperature Range — Operating reliably from -10°C to 50°C (-10° to 122°F), this servo performs consistently whether you're flying in summer heat or winter cold, making it suitable for year-round RC flying and driving across the UK.
- 25-Tooth Spline Output — The standard 25-tooth spline output ensures compatibility with a wide range of servo horns and control arms available on the market, giving you maximum flexibility in setup and customisation.
Technical Performance
The SAVOX SA1283SG+ represents a masterclass in servo engineering, combining cutting-edge digital control with robust mechanical construction. At its heart lies a coreless motor that delivers smooth, responsive operation without the inherent lag found in traditional cored designs. The servo's impressive 12-bit resolution (4096 steps) ensures that control inputs are translated into servo movement with exceptional precision, providing smooth variable speed responses rather than stepped movements. With 30kg of torque available at 6 volts and a blistering 0.13-second response time at the same voltage, this servo punches well above its weight class, making it ideal for applications from precision steering on rock crawlers to aggressive steering inputs on high-performance 1/8th scale vehicles. The unique steel gear system has been specifically engineered for strength and durability, resisting the stripping and wear that can plague servos under heavy loads. Two precision ball bearings support the output shaft, minimising friction and backlash whilst ensuring the smooth, predictable movement essential for competitive RC. The full aluminium case provides both structural rigidity and superior heat dissipation, critical factors when the servo is operating at high demand. Running current specifications of 120mA at 6.0V under no load and stall current of 6000mA demonstrate the servo's efficiency and power delivery characteristics, whilst the 5mA idle current shows excellent power management. The 333 Hz refresh rate ensures smooth servo updates, eliminating jitter and providing rock-solid control. Whether powering from a 4.8V or 6.0V system, this servo maintains exceptional performance across the voltage range, with 25kg torque and 0.16-second speed at 4.8V providing a capable fallback for systems unable to support full 6V operation. The 90-degree standard operating travel (1000-2000 microseconds) can be extended to approximately 130 degrees for maximum throw applications.
What's in the Box
- SAVOX SA1283SG+ Digital Servo
- Larger servo horns (multiple)
- Aircraft rubber mounting hardware
Frequently Asked Questions
- Is the SAVOX SA1283SG+ suitable for rock crawlers and monster trucks? — Yes, absolutely. Savox specifically designed this servo for steering applications on rock crawlers, monster trucks, and 1/8th scale vehicles. The 30kg torque at 6V provides the holding power needed for extreme steering angles on technical terrain, whilst the 0.13-second speed ensures responsive directional control even under high load.
- What voltage system does this servo require? — This servo operates on either 4.8V or 6.0V systems. At 6.0V you get the full 30kg torque and 0.13-second speed, whilst at 4.8V it delivers 25kg torque with 0.16-second speed. Most modern RC systems use 5-6V regulated supplies, making this servo compatible with the vast majority of ready to run RC cars and aircraft available in the UK.
- What does the Plus version offer that the standard SA1283SG doesn't? — The Plus variant (SA1283SG+) includes two significant enhancements: Soft Start Mode, which reduces mechanical stress during servo initialisation and provides smoother engagement, and full Sanwa SSR compatibility, allowing seamless integration with modern Sanwa radio systems used in professional competition.
- How much power does this servo draw? — Under no load operation, the servo draws 120mA at 6.0V, making it relatively efficient for standby operation. Under full stall (maximum load) conditions, it draws 6000mA at 6.0V. In typical RC flying and driving applications where the servo is not constantly stalled, average current draw will be substantially lower, typically in the 200-400mA range depending on usage patterns.
- What makes the steel gears special compared to plastic gears? — Steel gears offer dramatically superior strength, durability, and longevity compared to standard nylon or plastic gears. They resist stripping under heavy torque loads, maintain precise tolerances throughout their service life, and can handle continuous high-stress operation without degradation, making them essential for demanding applications.
- Is this a digital or analogue servo? — This is a fully digital servo, featuring 12-bit (4096) resolution digital processing. Digital servos offer superior precision, faster response times, smoother movement, and better load holding compared to analogue servos, making them the choice of serious RC enthusiasts and competitors.
- What is the servo's weight and dimensions? — The servo weighs 80 grams and measures 40.3mm length × 20.2mm width × 36.4mm height (or 37.2mm height according to retailer specs), making it a compact unit suitable for tight mounting spaces whilst maintaining substantial power output.
- Can I use this servo for 3D flying aircraft? — Yes, Savox specifically mentions suitability for 3D flying in the product description. The combination of fast response time (0.13 seconds), smooth digital control, and responsive coreless motor make it excellent for the rapid control inputs required in 3D flying manoeuvres.
- What is the warranty coverage? — SAVOX backs this servo with a full 1-year warranty from the date of purchase, covering manufacturing defects and component failures under normal use conditions.
- What does the 25-tooth spline output mean? — The spline is the connecting interface where servo horns attach. A 25-tooth spline is the industry standard size, meaning this servo is compatible with virtually all standard servo horns available on the market, giving you maximum flexibility in setup and customisation options.
Why Buy from RC Model Shop?
RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the SAVOX HI TORQUE DIGITAL SERVO ALU CASE 30KG/0.13s@6.0V PLUS SAV-SA1283SG+ today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.
- Model: SAVOX SA1283SG+
- Servo Type: Digital
- Motor Type: Coreless
- Resolution: 12-bit (4096)
- Torque at 4.8V: 25.0kg (347.2 oz-in)
- Torque at 6.0V: 30.0kg (416.67 oz-in)
- Speed at 4.8V: 0.16 seconds per 60 degrees
- Speed at 6.0V: 0.13 seconds per 60 degrees
- Dimensions: 40.3 x 20.2 x 36.4mm (L x W x H)
- Weight: 80g
- Case Material: Full Aluminium
- Gear Material: Unique Steel
- Bearings: 2BB (Double Ball Bearing)
- Operating Temperature: -10°C to 50°C (14°F to 122°F)
- Running Current (no load) at 4.8V: 100mA
- Running Current (no load) at 6.0V: 120mA
- Stall Current (locked) at 4.8V: 4800mA
- Stall Current (locked) at 6.0V: 6000mA
- Idle Current: 5mA at 4.8V, 5mA at 6.0V
- Wire Length: 300 ± 5mm
- Output Gear Spline: 25 Tooth
- Operating Travel: 90° (1000 ? 2000 microseconds)
- Neutral Position: 1500 microseconds
- Pulse Width Range: 950 ? 2050 microseconds
- Maximum Travel: Approximately 130° (900 ? 2100 microseconds)
- Refresh Rate: 333 Hz
- Soft Start Mode: Yes (Plus version feature)
- Sanwa SSR Compatibility: Yes (Plus version feature)
- Warranty: 1 Year
- Included: Servo, Larger servo horns, Aircraft rubber mounting hardware
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.
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