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Spektrum S6510 HV Giant-Scale Digital Surface Servo with 820 oz-in Torque, Dual Ball Bearings, and 15T Spline – P-SPMSS6510

Model No: P-SPMSS6510


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£129.99

£15.92

£114.07

Inc VAT & delivery

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In Stock
Delivery Included
1 Year Warranty

Features

  • High Torque (820oz-in @ 8.4V)
  • Ideal servo for 1/5th scale vehicles
  • Perfect upgrade from the Spektrum S905 or S906 Servos
  • Wide operating voltage (6.0V – 8.4V)
  • Dual Ball Bearing proves smooth operation
  • Strong metal gear ensures durability
  • 15-Tooth Spline

Overview

There is a best in-class Spektrum servo that's right choice for most anything you drive, from racing, bashing, or crawling. They are engineered with the finest components and the latest technologies available so you enjoy a sense of precision and power that is second to none. Pushing the limits of a 1/5 scale vehicle thru rough and tumble environments requires top performance from the vehicles servos. Operating in the rough and tumble environments, a servo's performance is pushed to the maximum. The S6510 is designed to give 1/5th scale enthusiasts huge torque (820oz-in @8.4V) to power through the toughest terrains. The S6510 is a perfect upgrade servo from RTR vehicles that includes the S905 or S906 servos, such as the ARRMA 1/5 Kraton 4WD BLX Monster Truck, Losi 1/6 Super Baja Rey, Axial 1/6 SCX6's crawlers and more.

The Spektrum P-SPMSS6510 S6510 HV servo with 820 oz-in torque, dual ball bearings, and metal gear train is engineered for extreme-duty control in 1/5 scale RC monster trucks, crawlers, and bashers. Designed to deliver massive torque and smooth operation across rugged terrain, this digital surface servo integrates a high-strength metal gear train, precision dual bearings, and a wide voltage range into a robust waterproof aluminum housing. Whether you're upgrading from RTR servos or building a custom rig for high-impact environments, the Spektrum P-SPMSS6510 offers the mechanical resilience and control fidelity required for giant-scale performance. With a 15T spline, universal connector, and mounting hardware included, this servo is ready to power through the toughest terrain with confidence.

Key features of the Spektrum P-SPMSS6510 S6510 HV servo

  • 820 oz-in torque – delivers brute-force steering and throttle control for giant-scale platforms
  • Dual ball bearings – ensures smooth rotation and consistent torque delivery under load
  • Metal gear train – engineered for durability and high-impact resistance
  • Waterproof aluminum case – protects internal components and dissipates heat efficiently
  • 15T spline – compatible with large-format servo arms for secure linkage
  • Universal connector – integrates easily with standard receiver systems
  • Wide voltage range – operates across 6.0–8.4V for flexible power setups

How does the Spektrum P-SPMSS6510 deliver extreme torque for 1/5 scale vehicles?

The Spektrum digital servo for 1/5 scale RC trucks, crawlers, and bashers with 15T spline is purpose-built for high-load applications that demand maximum holding power and torque. With an output of 820 oz-in at 8.4V, the S6510 provides the brute strength needed to control oversized tires, heavy chassis components, and aggressive suspension systems. This level of torque ensures precise steering and throttle response even in deep mud, rocky terrain, or high-speed bashing scenarios. Whether you're pushing an ARRMA Kraton or crawling with an Axial SCX6, the S6510 delivers the muscle to dominate any surface.

What makes the dual ball bearing system essential for smooth operation?

The Digital surface servo with smooth dual bearings, wide voltage range, and high-impact durability features a dual ball bearing setup that supports the output shaft with minimal friction and optimal alignment. This design reduces lateral play, maintains gear mesh integrity, and ensures consistent torque delivery across the full range of motion. Dual bearings also extend the lifespan of the servo by distributing mechanical stress more evenly, making the S6510 ideal for high-impact environments where reliability is non-negotiable.

Why is the metal gear train critical for durability?

The Spektrum P-SPMSS6510 high-performance surface servo with 6.0–8.4V input and universal connector incorporates a metal gear train engineered to withstand the rigors of giant-scale operation. These gears are designed for tight mesh and low wear, ensuring smooth torque transfer and minimal backlash even under extreme loads. Whether you're racing across rough terrain or crawling through jagged rock formations, the hardened metal gears maintain alignment and performance, reducing the risk of mechanical failure and improving long-term reliability.

How does the waterproof aluminum case enhance performance?

The Spektrum P-SPMSS6510 with aluminum case, waterproof housing, and 7.2 oz weight for rugged installs is housed in a sleek anodized aluminum shell that provides both structural reinforcement and thermal regulation. The waterproof sealing protects internal electronics from moisture, dust, and debris, while the aluminum construction dissipates heat during extended operation. This combination ensures that the servo remains functional and responsive in wet, muddy, or dusty conditions—making it a trusted choice for outdoor and off-road builds.

Is the Spektrum P-SPMSS6510 compatible with popular 1/5 scale platforms?

Yes. The Giant-scale HV servo for ARRMA Kraton, Losi Super Baja Rey, and Axial SCX6 upgrades is designed as a direct upgrade for RTR vehicles equipped with S905 or S906 servos. It fits seamlessly into platforms like the ARRMA 1/5 Kraton 4WD BLX Monster Truck, Losi Super Baja Rey, and Axial SCX6 crawlers. For certain Losi models, such as the Super Baja Rey and Super Rock Rey, users will need the LOS351010 aluminum steering servo mount to properly install the S6510. With its standard footprint and universal connector, the servo integrates easily into most 1/5 scale builds.

How does the wide voltage range support flexible power setups?

The Spektrum P-SPMSS6510 S6510 HV servo with 820 oz-in torque, dual ball bearings, and metal gear train operates across a wide voltage range of 6.0–8.4V, allowing users to pair it with a variety of battery and ESC configurations. This flexibility ensures that the servo can deliver optimal performance whether you're running a 2S or 3S LiPo system. At 8.4V, the servo reaches its peak torque output, making it ideal for high-demand applications that require maximum power and responsiveness.

Buy Spektrum P-SPMSS6510 S6510 HV servo for 1/5 scale RC monster trucks and extreme terrain crawlers.

Brand, Model and Product Type

  • Brand: Spektrum
  • Model: P-SPMSS6510
  • Product Type: Spektrum P-SPMSS6510 S6510 HV servo with 820 oz-in torque, dual ball bearings, and metal gear train, Spektrum P-SPMSS6510 digital servo for 1/5 scale RC trucks, crawlers, and bashers with 15T spline, Spektrum P-SPMSS6510 high-performance surface servo with 6.0–8.4V input and universal connector, Spektrum P-SPMSS6510 with aluminum case, waterproof housing, and 7.2 oz weight for rugged installs, Digital surface servo with smooth dual bearings, wide voltage range, and high-impact durability

Dimensions

  • Product Length: 6.6 cm – suitable for giant-scale chassis layouts
  • Product Height: 5.8 cm – optimized for high-clearance installations
  • Product Width: 3.0 cm – standard footprint for 1/5 scale servo mounts
  • Product Weight: 7.2 oz – robust build for high-impact durability

Motor and Gear System

  • Motor Type: Not specified – designed for high torque surface applications
  • Gear Type: Metal – engineered for strength and long-term reliability
  • Spline Count: 15 teeth – compatible with large-format servo arms

Performance and Speed

  • Maximum Torque: 820 oz-in @8.4V – delivers extreme torque for 1/5 scale platforms

Voltage and Compatibility

  • Operating Voltage: 6.0–8.4V HV – supports high-voltage systems for peak performance
  • HV Compatibility: Yes – optimized for 2S LiPo setups and high-performance ESCs

Protection and Reliability

  • Waterproof: Yes – sealed aluminum housing protects against moisture and debris
  • Case Material: Aluminum – provides heat dissipation and rugged structural integrity
  • Bearings: Dual ball bearings – ensures smooth rotation and consistent torque delivery

Connectivity and Wiring

  • Connector Type: Universal – compatible with standard receiver ports

Application

  • Primary Use: Surface – ideal for 1/5 scale RC monster trucks, crawlers, and bashers
  • Servo Size Category: Giant Scale – designed for high-load, high-impact surface applications

What’s in the Box

  • 1 × S6510 1/5 Scale High Torque Servo
  • 4 × Mounting Hardware
  • 1 × Servo Arm

What You Require / What You Will Need

  • Compatible receiver and HV-capable power system – required for full performance operation
  • For Losi Super Baja Rey and Super Rock Rey – LOS351010 aluminum steering servo mount required

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.