LOS03027T1 1/10 Tenacity DB Pro 4WD Desert RC Buggy Electric Brushless RTR with Smart

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TEN 4WD Platform
Spektrum Smart 130A Brushless ESC and Spektrum Firma 4-Pole 3150
Spektrum DX2E Active radio system with AVC and new SPMSR6100AT Receiver
Waterproof Components
12mm race inspired aluminum bodied shock absorbers and caps
Race Inspired Scale Body

Falken Wildpeak MT Tires
Sway Bars
Adjustable Turnbuckles
Officially Licensed trim schemes from Fox Racing and Lucas Oil
Front LED bar
Three silicone filled gear differentials
Center Differential



The legendary TEN was known around the world as one of the toughest platforms on the planet. Taking on any terrain, these trucks and buggies threw the gauntlet down on off-road excitement. The Losi® TENACITY® DB Pro 1/10-scale 4WD Buggy is a continuation of that dominance.

The TENACITY DB Pro includes a full metric hardware package and aluminum features the competition sells as option parts. This desert buggy features all the technological advances drivers demand including the Spektrum™ Smart 130A Brushless ESC and Spektrum Firma® 4-Pole 3150KV 550 Motor allowing you to hit 50+ MPH with a 3 cell LiPo battery. Of course, the ESC is waterproof, completely programmable and comes pre-wired with a high-current IC5™ connector. Drivers stay in control with a DX2E Active™ transmitter, a Spektrum AVC® receiver with steering priority, and scale-to-size Falken Wildpeak MT tires and Method wheels.

Finally, the TENACITY DB has a scale-inspired Desert Buggy body along with a new wing and off-road buggy inspired wheel design that looks good in the backyard and out in the desert blasting berms. You get all this and more from the brand that represents the pinnacle of performance.


Needed to Complete

5000mAh 2-3S Li-Po Battery with IC5 Connector
Suitable Li-Po Battery Charger


What's in the Box?

(1) Losi TENACITY DB Pro 1/10-scale 4WD Buggy with:
(1) Spektrum AVC receiver (installed)
(1) Spektrum Firma Smart 130A Brushless ESC (installed)
(1) Spektrum Firma 4-Pole 3150Kv 550 Motor (installed)
(1) Spektrum DX2e Active Radio Transmitter with AVC
(1) Product Manual

Smart Technology Spektrum™ Smart Technology

Spektrum Smart technology is about offering a higher connection to your hobby. It's a connection that puts you in complete control, makes you more aware and more confident about the capability of your equipment—all while making vital components of your model easier to use than ever before. Click on the link below to find out how your Spektrum Smart ESC can feed telemetry directly to the optional Dash Board App and how Spektrum Smart batteries and charging can take you to the next level.
Spektrum Smart Technology

Technology The Full-Throttle Freedom of AVC® Technology

The receiver's built-in AVC® (Active Vehicle Control®) traction control system works behind the scenes, making hundreds of throttle and steering adjustments per second, so more of the motor's power is translated into ballistic speed and acceleration instead of just flying dirt. The patent-pending AVC system adds a level of performance that simply cannot be found with any vehicle from any manufacturer other than Horizon Hobby. Like traction control in your full-scale vehicle, you can activate or deactivate the system on the fly and adjust the level of stability based on driving conditions. Any RC vehicle can go fast, and with AVC you can go faster while maintaining optimum stability in all driving conditions.


Legendary TEN Platform

Based on the legendary, high-performance TEN platform featuring a super-tough 3mm Plate, 6061-T6 Aluminum chassis and the ability to adjust the TENACITY-DB Pro's suspension and drivetrain for any condition.

Independent Front And Rear Suspension

The front and rear suspension provide amazing handling with a consistent feel and the ability to soak up bumps. It all adds up to a buggy that's dialed in for maximize performance right out of the box.

Adjustable Turnbuckles

For added adjustability and tune-ability, adjustable turnbuckles come standard on the TENACITY DB Pro.

Adjustable Sway Bars

The included sway bars are fully adjustable and help you push the TENACITY DB Pro to its limits.


Aluminum Shock Towers

4mm 6061-T6 Aluminum shock towers are built tough to withstand the punishment the front end of the TENACITY DB Pro will receive.

Coil-Over Oil Filled Shocks with Pre-Load Adjustment

Adjustable oil filled coil-over shocks on all four corners soak up the gnarliest terrain. The 12mm shocks are fully-adjustable and allow you to tune the handling of the TENACITY DB Pro to maximize performance and dominate anywhere.

50+ MPH Spektrum™ Firma® 4-Pole 3150Kv Motor

The brushless ESC and motor provide wicked power with a 3 cell LiPo battery (not included) that will blaze along at speeds of 50+ MPH.

Spektrum SMART ESC

The ESC is waterproof, completely programmable and comes pre-wired with a high-current IC5 connector. The ESC will work with most sensorless brushless motors and is 2S-3S Li-Po and Ni-MH compatible.

Waterproof Electronics

The TENACITY DB Pro is loaded with waterproof electronics including the receiver, servo and ESC. Everything is sealed against the elements allowing you to splash in the rain, spin in the mud and make tracks in the snow. It's full-throttle freedom to run anytime, rain or shine.

LED Light Bar

The fun doesn't stop even when the sun goes down with the TENACITY DB Pro. Brilliant LED lights on the integrated light bar cast more than enough illumination for running at night.


Fully Caged Chassis with Body Panels and Driver Cockpit

The fully caged chassis, body panels and drivers add to the TENACITY DB Pro's scale looks and provides you easy access to the chassis.

Flip-Top Cage

The TENACITY DB Pro features a unique hinge cage that allows for easy access to the vehicle interior for battery loading and maintenance.

4X4 Driveline With Adjustable Differentials

Full-time four-wheel drive provides increased traction and handling. The front, center and rear differentials can also be tuned for various conditions and now come with 4 spider gears in each differential.

Metric Hardware

Complete metric hardware is featured throughout the TENACITY DB Pro, including bearings, screws and nuts.

Officially Licensed Falken Wildpeak MT Tires

Working together with Falken Tires, the TENACITY DB Pro has a scaled down Wildpeak MT tires that have an aggressive tread pattern that handles any terrain. From the asphalt to the dirt, the Falken Wildpeak MT tire lasts long, performs well and has great tread life.

Officially Licensed Method Wheels

Working together with Method Wheels, the TENACITY DB Pro comes equipped with scaled down wheels that look like they are right off the factory truck.

Spektrum™ DX2e Active™ Radio System

The Spektrum™ DX2e Active™ radio system offers several advanced, useful features:

AVC control
3-position throttle limiting switch
travel adjust
Connects to the Spektrum Dashboard App
Optional Smart Phone Mount available
Optional Speedometer Add-on available

Spektrum™ Dashboard App

Connect your mobile device wirelessly via Bluetooth to your DX2E ACTIVE transmitter *
View top speed, battery voltage and more in real-time*
Program select transmitter settings
Optional phone mount offers the ability to mount your Android or IOS mobile device directly to the DX2E Active

*Requires optional Bluetooth Module (SPM6741) and optional cell phone mount (SPM6745)
iPhone App Store
Google Play Store

Speedometer Add-On Speedometer Add-On

Adding the optional Spektrum™ Speedometer allows you to instantly see your vehicle's speed in real time (other items may be required). It also records top speed and features an easy-to read LED screen.

Tenacity DB Pro, RTR: 1/10 4WD Buggy
Product Specifications
Approximate Assembly Time No assembly required
Battery Input Lead IC5
Body Race inspired scale, trimmed and screen printed
Brakes Integral with ESC
Bushing Material Metal
Charger Sold Separately
Chassis 0.16" (4mm) thick 6061-T6 aluminum
Completion Level Ready-To-Run
Differential Sealed spiral cut bevel gear
Drivetrain 4WD
Final Drive Ratio 9.73:1
Front Track 11.5 in (292.1mm)
Power Type Electric
Gear Pitch 1.0 Module
Ground Clearance 1.50" (38.1mm)
Internal Gear Ratio 3.89:1
Motor Size 550
Outer Diameter 4.65 in (118mm)
Product Height 6.89" (175mm)
Product Length 21.1" (535mm)
Product Weight 6lbs (2.7kg) without battery
Product Width 11.7" (297mm)
Radio Included
Rear Track 11.5 in (292.1mm)
Receiver Included
Scale 1/10
Servos Spektrum S605 steering servo, 161 oz-in (11.6 kg-cm) @ 6V
Shock Type Aluminum body, filled w/35wt oil, 12mm
Speed Control Included
Spur Gear 40T
Suspension Independent w/F&R sway bar
Technology Smart Technology
Tire Compound Medium-Soft
Tire Tread Wildpeak
Water-Resistant Yes
Wheelbase 13.1" (332.7mm)
Wheel Type Method short course
Wheel Width 1.63" (41.4mm)


Losi LOS03027T1 1/10 Tenacity DB Pro 4WD Desert RC Buggy Electric Brushless RTR with Smart

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