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Losi 1/10 Lasernut U4 4WD Brushless RTR with Smart ESC, Black (Losi 03028T2 | LOS03028T2)
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Model: Losi 03028T2
Dist. #: LOS03028T2   SKU: LOS03028T2

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List Price:  $609.99
Price:  $539.99
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Updated on Jan 25, 2022 03:06:24 AM

1/10 Lasernut U4 4WD Brushless RTR with Smart ESC, Black...

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TEN 4WD Platform

Spektrum™ 130A Brushless SMART ESC and 4-Pole 1900kv 550 Motor

Spektrum DX3™ 2.4GHz radio system with AVC® and optional telemetry

Water resistant Parts

12mm race inspired threaded aluminum bodied shock absorbers and shock caps

Officially-licensed Lasernut Racing Scale Body & Cage

Officially-licensed BFGoodrich® Mud-Terrain T/A® KM3 Tires

Officially-licensed Raceline 2.2 Wheels

Sway bars

Three Oil Filled Equipment Differentials

The TEN 4WD platform is recognized all over the world as the personification of strength and resilience. The Losi® Lasernut U4 1/10-scale 4WD Rock Racer (RR) RTR with Spektrum™ Smart builds on the TEN style and adds products rock racers require such as aluminum shocks, sway bars and adjustable turnbuckles. Plus, it consists of a full metric hardware bundle for around the world compatibility. The Lasernut is presently the only total Unlimited U4 FIS (Complete Independent Suspension) racer on the market featuring all the technological advances motorists require including the Spektrum Smart 130A Brushless ESC and Spektrum 4-Pole 1900kv 550 motor providing greater efficiency improving run times with increased power. Obviously, the ESC is water resistant, entirely programmable and comes pre-wired with a high-current IC5™ adapter. Drivers stay in control with a DX3™ transmitter, a Spektrum AVC® receiver with steering concern, and an officially-licensed Lasernut race-inspired scale U4RC body/roll cage with 2 various graphics and color variations. Interacting with BFGoodrich Tires, the Lasernut U4 has reduced KM3 tires that have an aggressive tread pattern capable of managing any terrain. The Losi Lasernut Rock Racer is the ultimate U4 racer with scale looks, crazy speeds and performance, and Spektrum Smart Technology.

Needed to Total

3S or 4S Hardcase LiPo Battery with IC5/EC5 Connector

3S/4S Suitable LiPo Battery Charger

Protective LiPo Storage/Charging Case

What remains in the Box?

(1) Lasernut U4 4WD Brushless RTR Vehicle with:

(1) Spektrum™ Firma 130A Brushless SMART ESC (installed)

(1) Spektrum™ 4-Pole 1900kv 550 Motor (installed)

(1) Spektrum™ SR6100AT Receiver with AVC

(1) Spektrum DX3™ 2.4GHz Radio Transitter

(1) Item Manual


Famous TEN Platform

Legendary TEN Platform
The famous, high-performance TEN platform includes a super-tough aluminum chassis and the capability to change the Lasernut U4 independent suspension and drivetrain for any condition.

Spektrum SMART ESC

Spektrum SMART ESC
The ESC is water resistant, entirely programmable and comes pre-wired with a high-current IC5 adapter. The ESC will work with the majority of sensorless brushless motors and is 3S-4S Li-Po compatible.

Formally Accredited Scale Body and Roll Cage

Officially Accredited Scale Body and Roll Cage

Officially Licensed Scale Body and Roll Cage
A Lasernut Licensed race inspired scale U4RC body/roll cage with exciting graphics provided in 2 various color variations with a flip up cage for easy access to the battery.

Formally Accredited Wheels and Tires

Officially Licensed Wheels and Tires
The consisted of scale licensed Raceline 2.2 racing wheels and BFGoodrich KM3 tires feature an aggressive tread pattern that deals with any terrain and good appearances while out on any course.

Water resistant Electronic devices

Waterproof Electronics
The Lasernut U4 is loaded with water resistant electronic devices including the receiver, servo and ESC. Whatever is sealed versus the elements permitting you to sprinkle in the rain, spin in the mud and make tracks in the snow. It's full-throttle liberty to run anytime, rain or shine

Coil-Over Oil Filled Shocks with Pre-Load Adjustment

Coil-Over Oil Filled Shocks with Pre-Load Adjustment
Adjustable oil filled coil-over shocks on all 4 corners take in the gnarliest terrain. The aluminum threaded 12mm shocks are fully-adjustable and enable you to tune the handling of the Lasernut U4 to optimize performance and control anywhere.

Aluminum Chassis

Aluminum Chassis
The foundation of the Lasernut U4 includes a 3mm, anodized aluminum chassis plate with a 4mm upper deck. Whether you are striking the rocks, getting big air, or just large open, the 3mm chassis just keeps requesting more!

LED Light Bar and Pod Lights

LED Light Bar and Pod Lights
The fun does not stop even when the sun goes down with the Lasernut U4. A dazzling LED lights on the incorporated light bar cast ample illumination for performing at night. The pod lights are amber.

Adjustable Turnbuckles

Adjustable Turnbuckles
For added adjustability and tune-ability, adjustable turnbuckles come standard on the Lasernut U4.

Adjustable Sway Bars

Adjustable Sway Bars
The consisted of sway bars are totally adjustable and help you press the Lasernut U4 to its limits.

Adjustable Shock Towers

Adjustable Shock Towers
4mm 6061-T6 Aluminum shock towers are constructed tough to hold up against the punishment the font end of the Lasernut U4 will receive

Independent Front and Rear Suspension

Independent Front and Rear Suspension
The front and rear suspension supply incredible managing with a consistent feel and the capability to take in bumps. All of it amounts to a buggy that's dialed in for optimize performance right out of package.

4x4 Driveline with Adjustable Differentials

4x4 Driveline with Adjustable Differentials
Full-time 4x4 supplies increased traction and handling. The front, center (aluminum) and rear differentials can also be tuned for various conditions.

Metric Hardware

Metric Hardware
Total metric hardware is featured throughout the Lasernut U4, including bearings, screws and nuts.

50+ Miles Per Hour Firma Motor

50+ MPH Firma Motor
The brushless Spektrum Firma 4-Pole 1900kv 550 Motor will supply excellent power (50+ Miles Per Hour) with a 4 cell Lipo (not consisted of).

Spektrum DX3 Radio System

Spektrum DX3 Radio System

Spektrum™ DX3™ Radio System
The Spektrum™ DX3™ radio system offers sophisticated features like AVC control, a 3-position throttle limiting switch and travel change.

The Full-Throttle Liberty of AVC Technology

The Full-Throttle Freedom of AVC Technology

The Full-Throttle Freedom of AVC® Technology
The receiver's integrated AVC® (Active Vehicle Control®) traction control system works behind the scenes, making hundreds of throttle and steering changes per 2nd, so more of the motor's power is equated into ballistic speed and velocity rather of just flying dirt. The patent-pending AVC system adds a level of performance that just cannot be discovered with any car from any maker aside from Horizon Hobby. Like traction control in your full-scale car, you can activate or shut off the system on the fly and change the level of stability based on driving conditions. Any RC car can go quickly and with AVC you can go faster while keeping optimum stability in all driving conditions.


Approximate Assembly Time: No assembly required

Batteries: 3S-4S LiPo, sold independently

Battery Measurements: t

Body: Trimmed and painted

Brakes: Essential with ESC

Bushing Product: Metal

Chassis: 3mm, 6061 T-6 Aluminum

Completion Level: Ready-To-Run

Differential: Sealed viscous filled equipment type

Drivetrain: 4WD

Ground Clearance: 1.75 in (44.4mm)

Height: 8 in (203.2mm)

Internal Equipment Ratio: 3.89:1

Length: 24.3 in (617.2mm)

Motor Size: 550 4-pole, 1900Kv

Motor Type: Brushless, Non-sensored brushless

Pinion: 12T

Shock Type: Aluminum body oil-filled

Speed Control: Y

Suspension: Independent

Technology : Smart Technology

Tire Size: 5.75 in (146mm)

Tire Tread: BFG Mud Surface

Track: Front and Rear 13.25 in (336.5mm)

Weight: Differs with equipment

Wheel Width: 1.63 in (41.4mm)

Wheelbase: 14.75 in (374.6mm)
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