Xray XB4 - 2019 Specs - 4wd Off Road Buggy XR360006

Brand: Xray
Part Number: XR360006
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Team Xray XB4 2019 1/10th 4wd Buggy Competition Kit - XR360006

2019 All-new Features:

  • All-new multi-function rear upright helps to generate more traction & increase stability
  • All-new longer rear driveshafts with 2.5mm pins for smoother operation
  • All-new rear wheel axle with safety collar, featuring XRAY's unique multi-position driveshaft adjustment to vary driveshaft length
  • All-new longer rear camber link to accommodate all roll center alternatives
  • All-new larger ball-bearing used in the rear uprights for increased reliability
  • All-new rear suspension arms redesigned to accommodate the new multi adjustable upright
  • All-new longer rear arm pivot pin to accommodate the new multi adjustable upright and wheelbase adjustment.
  • All-new diff outdrives redesigned for 2.5mm pins for smoother operation
  • All-new bevel drive gears machined from special gear steel material reduce the weight and significantly improves reliability
  • All-new central shaft universal joint redesigned to accommodate the new steel pinion gears
  • All-new graphite reinforcement plate between servo saver increases traction and improves cornering speed
  • All-new body redesigned to make the car more stable and improves the rotation in corners
  • Includes new rear wheels with a deeper recess for the wheel nuts.

World Champions.

Bruno Coelho made a stunning debut at the World Championship with his XRAY XB4, setting the TQ and winning the World Championship title!

Daniel Kobbevik repeated the great success at the last World Championship winning the Junior World Champion title.

XRAY XB4 – World Championship winning 1/10 off-road 4WD car to bring you to the Winners’ Circle.

Made in Europe.

Engineered and manufactured in-house at the XRAY factory located in Slovakia, Europe, the XB4 is a fantastic demonstration of XRAY’s attention to detail in all of its products. The XB4 is created by XRAY’s design staff using premium European materials and sophisticated German and Swiss machines.

USA Champion.

XRAY’s Ty Tessmann achieved the first ROAR National Championship for the XB4. Tested and successfully run in the highest competition races now you can enjoy the winning platform.

Concept.

The XB4 is typical XRAY: ultimate professional, high-competition RC car for the most demanding racers, developed with attention to the finest detail, and backed by premium service & support…a luxury masterpiece.

European Champions.

With ongoing development of the XB4 platform, Team XRAY continues to win at the highest competition levels including the European Championship. The XB4 is a multi-time European Champion as well the European Junior Champion.

Heritage.

XRAY has been a driving force in the 1/10 off-road car racing scene since the release of the first XB4. Continuous development and evolution of the XRAY product line has led to ever-increasing performance. The craftsmanship, durability, and performance of XRAY kits have become legendary. Be part of the family, live the heritage.

EOS Champions.

XRAY XB4 and Bruno Coelho are back-to-back EOS Champions. After winning the 2015, 2016, 2017 season, Team XRAY with Bruno Coelho again wins the 2018 season making the XB4 one of the most successful cars.

Multi-Adjustable Rear Suspension.

All-new adjustable rear suspension features the new rear upright, unique multi-length adjustable CVD drive shafts, and longer camber link. This new system creates a huge variety of roll center adjustments for different track conditions. Changing roll center has never been quicker or easier.

Rear Uprights.

All-new rear uprights feature multiple set-up options for upper & lower roll centers. The upper roll center is adjusted at the camber linkage via shims (up/down & in/out), while the lower roll center is adjustable via eccentric inserts for 9 different positions (up/down & in/out).

The multi-function uprights have the upper roll center position in the middle of axis of the connecting joint of the drive shaft to help generate more traction and increase stability.

There are three different uprights available: hard (included), graphite (optional), and aluminum (optional), each suitable for different track conditions.

Drive Shafts.

To accommodate the new, fully-adjustable rear upright configuration, the rear drive shafts are now longer. Featuring XRAY’s own unique multi-length drive shaft adjustment there are 4 different length-adjustable positions to alter the length of the drive shaft depending on the roll center position. The all-new safety collar eliminates the clearance of the drive shaft and prevents the drive pin from getting loose.

XB4 constant velocity drive shafts are manufactured from world-renowned HUDY Spring Steel™ and feature 2.5mm drive pins for maximum drivetrain efficiency. The drive shafts are some of the world‘s thinnest yet most durable drive shafts used in electric off-road cars. Hardened with a proprietary hardening process, the drive shafts provide unbeatable lifespan and reliability.

Rear Drive Axles.

Unique drive shaft length adjustment uses 4 different connecting hole positions at the drive axle end to allow changes to overall driveshaft length. Another great XRAY innovation that accommodates different roll center positions without needing to use drive shafts of differing lengths

Camber Link.

With the all-new multiple roll center adjustment possibilities, the rear camber link is longer to accommodate all the different roll center position alternatives.

Center Driveline.

The updated center driveline features a redesigned universal joint that accommodates the all-new machined bevel drive gears. The new bevel drive gears are machined from special gear steel material that reduces the weight and significantly improves reliability.

Gear Differential.

Gear differential features all-new diff-outdrives designed for use with new 2.5mm pin.

The new stronger diff outdrives are the result of a new hardening process that increases lifetime and reliability.

The XB4 gear diff ensures increased on-power steering which is needed on nearly all types of tracks, and is ideal for both carpet and clay tracks.

The maintenance-free super-smooth gear diff includes internal gears which are precision-molded from tough XRAY developed and mixed composite material ensuring high life time and super-smooth and efficient operation.

Diff Gears.

To improve the reliability of the differential and to reduce the rotating weight, both front and rear bevel drive gears are now CNC-machined. The differential crown gears and bevel drive gears are made from steel which has been additionally hardened to ensure increased lifespan and reliability.

For clay and low-traction tracks, optional graphite diff crown gears can be used for increased traction.

Suspension Arms.

All-new rear suspension arms were redesigned to accommodate the new multi adjustable uprights and the adjustable drive shafts. The outer pivot of each arm features small screws to secure the new hinge pins and prevent separation in a crash. This floating hinge pin reduces suspension bind.

The suspension arm itself is rigid enough to provide a responsive feel, yet soft enough for extreme durability. The exclusive composite mixtures used for suspension arms offer a perfect balance between reliability & performance.

There are two different suspension arms available: hard (included), and graphite (optional), each suitable for particular track conditions.

Steering System.

All-new graphite reinforcement plate between servo saver increases traction and improves cornering speed.

The dual arm steering system is very simple yet effective and features an integrated easily adjustable servo saver. Ackermann is easily adjusted by quickly & easily changing the steering link mounting positions on the steering plate.

Bump steer is easily adjusted for more aggression by inserting a shim between the steering block and steering linkage.

Wheels.

The included XB4 rear wheels feature a new, redesigned countersunk center area to allow the wheel nut to sit deeper in the wheel.

The wheels are perfect for high-competition racing. The wheels are made from a very flexible material, while still being ultra-durable to withstand impacts. The side of the wheel is aerodynamic for maximum performance. The wheels were designed to provide maximum traction.

Internal reinforcement ribs make the wheels as stable as possible and eliminate deformation. The wheels feature a 12mm internal hex.

Body.

The XB4 includes a completely redesigned, low-profile Alpha body with super-smooth airflow and revised downforce characteristics. The Alpha body helps the XB4 by increasing steering & stability while also improving handling in jumps.

The front part of the body has a new high-downforce area. The sides of the body have upper downforce areas to generate more mid-body downforce, and the straight sidewalls improve stability. The upper part of the body was redesigned with a smooth flow channel for stability.

The XB4 bodies are available in different thicknesses for fine tuning the performance of the car.

Rear Wing.

Stylish and effective rear wing was designed to work perfectly with the XRAY XB4 body. Made from strong Lexan™ material, the wing is supported on the wing mounts by extra flat shims to better support and extend the life of the wing.

Optional thicker 1.5mm (#363511) and 2.0mm (#363512) rear wings are highly reliable with less chance of breakage, while at the same time influencing the performance of the car as well. The thicker wing gives higher traction and stability, but gives reduced steering.

Ball-bearings.

All-new larger ball-bearing used in the rear uprights for increased reliability. The XB4 features greased ball-bearings for front steering blocks & rear uprights to increase lifespan in dusty conditions. The remaining bearings are degreased and oiled with AeroShell® Fluid 12 for maximum smoothness and long life.

A full set of high-speed ball-bearings are used throughout the drivetrain to ensure maximum efficiency.

Philosophy.

At the heart of XRAY's philosophy is a firm commitment to perfection in engineering, design, performance and support… all made possible by state-of-the-art in-house manufacturing. The XB4 is the epitome of perfection that is typical for XRAY.

Dipl. Eng. Juraj Hudy

XRAY Chief Designer

Winning Heritage.

From national titles around the world… EOS Champion, USA Champion, European Champion … all the way to the World Championship title… the XB4 has a lengthy history of victories that showcase the winning heritage of the XRAY XB4 platform.

Commitment.

“Being part of the R&D team, I know how much time, energy, and effort is put into developing all of our cars. Chasing perfection is a never-ending process, and as such we strive to bring you an improved & better-handling XB4. You will be amazed by the handling & reliability improvements of the new XB4, which will help bring you to the Winners’ Circle.”

Martin Bayer

XRAY Factory Team driver

European Champion

Development.

Successful development of the XB4 – like all other XRAY platforms – would not have been possible without the involvement of the entire racing team constantly working to test new ideas, prototypes, and improvements.

The 2019 edition of the XB4 was focused on fine improvement of small details, making the car an absolute winner straight out of the box.

Perfection.

Designed in virtual reality using the world's most sophisticated CAD tools, and manufactured using the world's best machining and molding machinery, the XB4 achieves a level of perfection in all details that is second to none.

* Standard platform features - some information may be from previous versions and may vary slightly from current kit spec *

Chassis.

The XB4 chassis was designed with the main focus to lower the CG to improve cornering speed and stability. The chassis accommodates the lower motor mount.

CNC-machined from high-quality Swiss 2mm 7075 T6 aluminum, the chassis is strategically machined in low-stress areas to make it as light as possible without affecting strength or rigidity; and additionally black-coated for increased lifespan.

Weight distribution, chassis width & length, and proper flex have key influences on the handling of the car. All of these features were incorporated into the design of the chassis.

Side Guards.

The side guards allow the motor to be positioned as low as possible on the chassis to improve cornering speed and stability.

Tough composite side guards perfectly fit the chassis to seal against dirt and protect from side impacts.

Molded from a hard composite material, the side guards are an important part of the chassis flex adjustment for the majority of track conditions. For very-low-traction tracks, optional medium stiffness side guards are available.

To improve protection against dust, Velcro® double-sided tape is included to ensure a perfect seal of the body to the side guards, to reduce the noise level of the running car.

Multi-Flex™.

The XB4 incorporates the legendary and innovative Multi-Flex™ adjustment technology, which allows tuning of chassis flex for different track conditions.

Regardless if the track has low, medium, or super-high traction, you can adjust the chassis flex to suit track conditions to gain a competitive advantage.

Chassis Weight Balance.

The XB4 chassis design allows for easy weight balance adjustment. You can move the motor frontwards or rearwards, and you can do this independently of the short battery pack that can be moved frontwards or rearwards as well.

Chassis Brace.

The graphite chassis brace – machined from high-grade graphite material – is installed in the lower part of the composite brace connected directly to the chassis. The brace reinforces the rear of the car and generates more stability while increasing traction.

The chassis brace is a vital part of the Multi-Flex™ setting.

When using the graphite chassis brace, the composite rear lower brace must be removed.

Electronics Plate.

A very handy, compact electronics plate allows for mounting the speed controller for quick & easy removal and assembly, and was redesigned to fit the new chassis and side guards.

Bulkheads.

The super-strong front & rear bulkheads withstand rigorous impacts and abusive racing conditions. The bulkheads have minimized ball-bearing play, resulting in increased gear teeth lifespan and minimized gear stripping.

XRAY’s attention to the finest details, R&D and engineering are obvious in the design of the diff bulkheads. These unique bulkheads allow super-fast & easy diff exchange and servicing by dismounting only 4 screws from the front of the bulkhead and bottom of the chassis. This super-fast diff access is available at both front & rear.

Central Bulkhead.

The graphite central upper deck holds ball-bearings in the motor mount and bulkhead assembly, while the upper deck allows easy access for slipper clutch adjustment.

With the super-low CG design focus on the XB4, the central bulkhead was lowered as well.

Upper Decks.

There are no long top decks on the XB4, but instead the XB4 features separate front, central, and rear upper decks which are independent from chassis flex adjustment and work only as part of the front, central, and rear diff assemblies.

All upper decks are machined from high-grade graphite.

Servo Mount.

The independent servo mount allows the steering servo to be mounted to the chassis without touching it, ensuring the elimination of unwanted chassis tweak and improvement of overall traction.

Drivetrain.

The XB4 is a conventional shaft-driven 4WD off-road car featuring:

  • front & rear gear differential with adjustable oil viscosity, featuring steel 35T crown gear and steel 14T pinion gear
  • central slip adjustable clutch with 81T main spur gear
  • front, central, and rear CVD drive shafts

The internal ratio of the drive train is 1:2.5

Central Differential.

A central differential is recommended for use on clay and low-traction tracks to increase traction.

The super-smooth gear diff includes a composite case and cover with exchangeable spur gear. The gear diff set includes 81T spur gear and a 84T spur gear is available as an option.

The maintenance-free diff design will benefit racers of all levels. When the diff is correctly built, there is no need for maintenance for a very long time… no need for frequent oil changes, and no leakage due to our superior sealing system.

Available as option only #364901

Slipper Clutch.

Power from the motor is transferred to the drivetrain via an adjustable, central slipper clutch for quick & easy tuning. The 3-pad slipper clutch ensures smoother clutch operation and more efficient braking, and clutch adjustment is easier, more consistent, and ultra-fine.

The lightweight slipper clutch plates have a machined relief which decreases the friction surface to assist with clutch slip adjustment. With this design, pressure is on the circumference of the clutch pads for increased efficiency.

The slipper clutch pads are made from ultra-efficient SLS material with very high slip efficiency, thus allowing very precise slip adjustment.

The clutch outdrives are super lightweight, manufactured from HUDY Spring Steel™ and additionally hardened for extra lifespan & reliability. The slipper plates are machined from premium Swiss 7075 T6 and additionally hardened, then given a black final surface treatment.

Spur Gear.

Precision-molded spur gears are made from XRAY's exclusive secret blend of composite material, allowing the gear to run true yet be robust enough to handle high-performance brushless motors. The spur gears are designed to have the lowest possible weight while staying strong and light. Each gear is stamped with the tooth number for easy identification.

The XB4 is equipped with an 81T spur gear which suits the majority of tracks. For additional tuning, optional 75T, 78T, 84T and 87T spur gears are available.

Motor Mount.

The motor is connected to an eccentric mounting plate, with the assembly then inserted into an integrated motor holder/drivetrain support. The design allows quick & easy motor rotation to adjust gear mesh, and yet clamp securely using only a single screw.

To ensure the motor will not loosen in a serious crash or due to insufficient tightening, the motor plate has a bayonet mounting system which prevents it from being dislodged from the motor holder. By rotating the motor mount plate to the opposite direction, the motor can be quickly removed from the motor holder.

Removing the motor or adjusting the gear mesh is easy and fast, with changes possible in only a few seconds.

Motor Mount Assembly.

To accommodate the Multi-Flex™ and upper deck design, the motor mount allows adjustment of the weight balance by placing the motor weight either frontwards or rearwards.

Suspension.

The correct suspension geometry is one of the most important features of any RC model car, while at the same time being one of the most difficult and challenging features for a designer.

The suspension is always a mixture of:

  • design and shape of individual suspension parts
  • flex and hardness
  • materials used
  • mounting system
  • geometry and position of mounting points of connecting parts

From the suspension arms, through the suspension blocks, to the light yet robust steering blocks, every suspension part has been specially designed for the 1/10 off-road racing platform to provide responsive racing characteristics in all conditions.

I.S.S.™ Suspension Holders.

The aluminum suspension holders feature Integrated Suspension Settings (I.S.S.™) which allows for super-fast & easy suspension geometry setting. This XRAY concept was first introduced in the very first XB8 and now has been carried over to the 1/10 scale XB4.

Using eccentric suspension bushings – which are inserted into aluminum suspension blocks – as well as additional shims, the XB4 suspension geometry can be completely adjusted including:

  • caster
  • camber
  • front & rear toe-in
  • front & rear roll-center
  • front kick-up
  • rear anti-squat
  • wheelbase
  • track-width

Wheelbase Adjustment.

Suspension arms allow for quick & easy wheelbase adjustment. Using included 2mm shims, both front and rear suspension arms can be moved either forward or rearward to adjust weight balance depending on track conditions.

By moving the arms to the front, the balance and weight of the car are transferred more to the rear; this is recommended for medium- and high-traction conditions.

By moving the arms to the rear, the balance and weight of the car are transferred more to the front.

Steering Blocks.

The tiny yet tough steering blocks are molded from a special composite mixture for maximum strength.

Composite steering block inserts allow for very quick & easy lower roll center adjustment. With additional shims and extra inserts, fine tuning the roll center is easily achieved.

For maximum drivetrain reliability, larger 5x12 ball-bearings are used in the outer position with increased dynamic load. On the inner position, the smaller 5x10 ball-bearings are used for minimized unsprung weight.

Caster Blocks.

The 1-piece caster blocks are very lightweight, yet the construction makes them very stiff and rigid. The non-adjustable caster angle is preset to 9°. Roll center position can be quickly & easily adjusted by inserting different thickness of shims atop the caster block (between the block and the vertical ball stud).

The front of the chassis is pre-angled with an integrated 8° caster angle, however the position of the adjustable eccentric bushings in the I.S.S.™ suspension holders influences the caster as well. (For example, if the eccentric bushings have the roll center in middle position, the caster angle is 9° which when added to the 9° caster block gives a total of 18° caster. The total adjustability range for caster is 16-20°.)

Optional caster blocks with 6° and 12° built-in caster angles are available for further suspension geometry adjustment.

There are four different caster blocks available: medium (optional), hard (included), graphite (optional) and aluminum (optional), each suitable for particular track conditions.

The new hard caster blocks increase stability in high-traction conditions, and help to increase cornering speed.

Turnbuckles.

To guarantee maximum reliability, all turnbuckles are manufactured from special HUDY Spring Steel™ material for turnbuckles which features a tougher core. These turnbuckles are used for front & rear upright linkages, steering system, and also for the servo saver.

Shock Towers.

The front shock tower has a new design with different shock mounting positions featuring an extra additional shock mounting position for extra-fine tuning.

Both front & rear shock towers are machined from premium-grade graphite and are lightweight & strong, with multiple shock positions and roll center adjustment positions. The front shock tower is 3.5mm thick; the rear is 3.0mm thick and holds the wing mount.

Shocks.

The big-bore shocks are membrane free, but still allow for easy, consistent building and rebound setting using a bleed-screw shock cap design.

The aluminum body, lower nut, and bleeder shock caps are all machined from premium Swiss 7075 T6 aluminum.

The shock rods are machined from special steel material, precision hand-ground for maximum smooth operation, and additionally hardened for increased lifespan.

Shock Pistons.

Shock pistons are made from Delrin® and are molded using ultra-high precision molds. All-new 2-hole pistons (1.6mm and 1.7mm holes) are now included in the set.

Shock Springs.

The all-new shock springs are shorter to allow more fine ride height adjustment especially on carpet tracks. The XB4 springs have been specifically designed to complement the big-bore shocks.

There are two types of springs in offer:

  • Linear – The spring rate is constant during the entire spring compression. Springs with different linear spring rates are available as optional tuning parts.
  • Progressive - The main advantage & benefit of progressive springs is that as the car initially enters the corner the springs work like softer springs to provide maximum traction. As the chassis begins to roll in the middle of the corner, the spring rate progressively increases until it works like a stiffer spring which allows the car to maintain maximum cornering speed.

XB4 springs, like all other XRAY springs, are manually measured, selected, and matched into pairs to guarantee precisely equal length and damping characteristics.

Each spring is laser-engraved with stripes to indicate the firmness; the more strips, the harder the spring.

Variable Shock Mounting.

The design of the rear suspension arm allows very practical variable position of the rear shock absorbers. Depending on track conditions, the rear shock absorbers can be installed either in front or behind the shock tower.

Wheel Hubs.

Ultra-lightweight 12mm wheel hex drive hubs are CNC-machined from Swiss 7075 T6 black-coated aluminum. These ultra-true hex hubs have a clamping design which ensures ultra- solid mounting of the wheel on the hub.

The rear alu hex hubs are specially machined to reduce rotating weight while guaranteeing wobble-free wheel mounting.

To adjust track-width, optional offset wheel hex drive hubs are available.

Battery Strap.

With the weight balance adjustment, the XB4 features two different battery straps: short -or- long. Using the longer battery strap, the battery pack can be installed either frontwards or rearwards; the included foam back spacer ensures the battery pack will not fall out.

Body Posts.

Beefy 6mm thick body posts are made from special composite material for maximum strength. The body supports are rounded to have a better fit and provide better support for the car body.

Body Seal.

To improve protection against dust, Velcro® double-sided tape is included to ensure a perfect seal of the body to the side guards, to reduce the noise level of the running car.

Chassis Balance.

The chassis design focuses on balanced weight distribution and weight transfer. The chassis features pre-drilled holes for additional weights for optimum car balancing. Centerline holes are pre-drilled for easy balancing with the HUDY Chassis Balancing Tool #107880.

Adjustment Possibilities.

The extensive and impressive range of adjustment possibilities includes: caster, camber, toe, kick-up, anti-squat, ride height, downstops, track-width, lower roll center, upper roll center, roll center positions, bump steer, wheelbase, Ackermann, adjustable shocks, adjustable front and rear diff and adjustable XRAY Multi-Flex™.

Graphite Grease.

The XB4 includes premium #106210 HUDY Graphite Grease which is a high-performance, advanced-technology semi-fluid lubricant which incorporates both extreme pressure additives and finely-dispersed graphite for load carrying. It is intended primarily for the lubrication of rotating parts and loaded gears. In addition to providing outstanding load carrying, it is formulated to have excellent adhesion and resistance to "fling-off" under extreme conditions. The grease reduces wear and increases parts life.

Set-up Book.

The XB4 is one of the most adjustable electric off-road car in the world. Whether you are a hardcore racing fanatic or a club-level sportsman, you can very easily adjust the XB4 to suit your racing style, race track type, and all track conditions. To fully understand the set-up possibilities we recommend the legendary HUDY Set-up Book, loaded with over 40 pages of high-quality pictures and easy-to-understand RC car set-up explanations. Whether you are a novice driver or experienced racer, you can easily learn many set-up tips & tricks and improve your set-up skills, ultimately translating into improved racing performance with your XB4. The HUDY Set-up Book is available for download exclusively at www.hudy.net

XRAY Instruction Manual.

XRAY Instruction Manuals have become the industry standard, being simply the best manuals you will ever get with an RC model car. Whether you are a first-time builder or an experienced racer, all the instructions are straight-forward and easy to understand. The full-color instruction manual contains large 3D illustrations that show all assembly details in the clearest possible way.

XRAY VIP Customer Treatment.

Owning an XRAY model racing car is an experience on its own. Not only will you own the most premium luxury model racing car in the world, but you will also become a member of the prestigious family of XRAY owners with direct support and service from the XRAY factory. XRAY brings you the most up-to-date RC Web site on the Internet, with daily racing news and latest product developments. If you have any questions, problems or comments, you can ask the XRAY Support Team or any XRAY Factory Team Driver on the XRAY Support Forum. You can even upload your own set-up sheets or download from the thousands of different set-up sheets available from all around the world at the exclusive XRAY Virtual Set-up Sheet Database, the world’s largest set-up sheet database. And that is only the start of the VIP treatment you get by joining Team XRAY.

Manufacturer: Xray
Part Number: XR360006
Motor Type: No Motor Supplied
Drive: 4WD
Surface Type: Off-Road
Assembly Type: Un-Assembled (Kit)
Scale: 1:10
Vehicle: Buggy
Skill Level: Skill Level 5   What's This?