CROSSRC
CROSSRC EMO XL BIG BISON 1/8 RC Car 6WD 6X6 Climbing Crawler Off-Road Vehicle Electric RC Truck
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CROSSRC EMO XL Big Bison 1/8 Scale 6x6 RC Crawler Truck
The CROSSRC EMO XL Big Bison is a 1/8 scale 6x6 RC crawler designed for off-road trail driving and controlled climbing. Its six-wheel-drive layout combines portal axles, front and rear differential locks, a two-speed metal gearbox and a multi-link suspension. The third axle uses an aluminum and fiber-composite suspension mount, while the wide modular tailgate provides space for scale accessories and customization.
Choose the 775 brushed or HobbyWing brushless version. The CROSSRC EMO XL Big Bison is available in Blue, Red, Yellow and Gray. Battery and charger inclusion depends on the Battery+Chargers option selected on the product page.
Key Features:
Six-Wheel Drive with Controllable Differential Locks
The CROSSRC EMO XL Big Bison uses a 6x6 portal-axle drivetrain. The front and rear differential locks are controlled separately, while the two rear axles lock together. This arrangement lets the driver select the available differential-lock configuration for the terrain.
Two-Speed All-Metal Gearbox
The two-speed transmission provides a lower gear for controlled crawling and a higher gear for faster trail driving. The gearbox uses a combination of machined and MIM gears. A CNC aluminum motor mount helps dissipate motor heat.
Reinforced Third-Axle Suspension
The third-axle suspension mount combines aluminum and fiber composite for a balance of strength and low weight. The rear balance-linkage system is designed for the three-axle chassis, and reinforced frame rails support the vehicle’s off-road drivetrain.
Multi-Link Suspension and CNC Shocks
The suspension uses 7 mm diameter 304 stainless-steel links with reinforced ball ends. The 21 mm CNC shocks have vacuum-plated shafts and are supplied with 350CST shock oil. The rear linkage geometry supports roll-center control while allowing the shocks to move through their suspension travel.
All-Terrain Tires and Portal Axles
The CROSSRC EMO XL Big Bison uses high-performance AT tires with a tread pattern designed for traction across off-road surfaces. Its portal-axle housings use weather-resistant nylon with metal internal gears.
Remote-Controlled Lighting and Sound Effects
The vehicle includes a high-power lighting system with grille warning lights and multiple modes controlled from the transmitter. The product specifications also list controllable sound effects such as a horn, alarm and music.
Specifications:
| Spec | Detail |
|---|---|
| Brand | CROSSRC |
| Model | EMO XL Big Bison |
| Scale | 1/8 |
| Drive System | 6WD 6x6 |
| Vehicle Type | Electric RC crawler truck |
| Vehicle Size | 77.5 × 30.2 × 28.8 cm |
| Wheelbase | 37.5 cm + 15 cm |
| Battery Compartment | Up to 14 × 5 × 4 cm |
| Radio System | 6-channel 2.4GHz transmitter and receiver |
| Approximate Control Distance | 400 m |
| Differential Locks | Front and rear locks are separately controlled; the two rear axles lock together |
| Transmission | Two-speed gearbox with all-metal gears |
| Axles | Portal axles with a dual-reverse portal-axle layout |
| Third-Axle Suspension Mount | Aluminum and fiber-composite construction |
| Suspension Links | 7 mm diameter 304 stainless steel with reinforced ball ends |
| Shock Absorbers | 21 mm CNC shocks with vacuum-plated shafts |
| Shock Oil | 350CST |
| Bearings | ABEC-3 high-precision bearings |
| Main Frame | Reinforced frame rails |
| Tires | High-performance AT tires |
| Lighting | High-power linked lighting with remote-controlled modes and grille warning lights |
| Sound Effects | Controllable horn, alarm and music effects listed in product specifications |
| Brushed ESC | Hobbywing customized 4S 880 ESC |
| Brushed Motor | 775 brushed motor |
| Brushless Power System | HobbyWing 1/8 FOC brushless system with 1800KV motor; 2–4S support listed for this system |
| Color Options | Blue, Red, Yellow and Gray |
| Battery Option | XT60 11.1V 50C 3S 5200mAh LiPo battery, optional |
| Charger Option | SKYRC MAX B6AC 80W balance battery charger, optional |
| Package Dimensions | 76.5 × 32.5 × 33 cm |
| Package Weight | 7.8 kg |
Version Selection:
775 Brushed Version: Includes a 775 brushed motor and Hobbywing customized 4S 880 ESC.
HobbyWing Brushless Version: Includes a HobbyWing 1/8 FOC brushless system with an 1800KV motor. The listed system supports 2–4S batteries.
Battery+Chargers: Select Not included or Included from the product options. The optional battery is an XT60 11.1V 50C 3S 5200mAh LiPo battery, and the optional charger is a SKYRC MAX B6AC 80W balance battery charger.
Package Contents:
The selected CROSSRC EMO XL Big Bison vehicle with its 6x6 chassis, body, motor, ESC, servo, two-speed transmission, lighting system, transmitter and receiver. The power system depends on the selected brushed or brushless version.
The battery and charger are included only when the Included Battery+Chargers option is selected. Check the selected option before ordering.
CROSSRC EMO XL Big Bison RC Car User Manual
Frequently Asked Questions:
What type of RC vehicle is the CROSSRC EMO XL Big Bison?
The CROSSRC EMO XL Big Bison is a 1/8 scale electric 6x6 crawler truck with three driven axles, portal axles, differential locks and a two-speed transmission.
How do the differential locks work?
The front and rear differential locks are separately controlled. The two rear axles lock together.
What is included in the 775 brushed version?
The 775 brushed version includes a 775 brushed motor and a Hobbywing customized 4S 880 ESC.
What is included in the brushless version?
The brushless version includes a HobbyWing 1/8 FOC brushless system with an 1800KV motor. The listed system supports 2–4S batteries.
What battery does the CROSSRC EMO XL Big Bison use?
The product page lists an optional XT60 11.1V 50C 3S 5200mAh LiPo battery. The brushless system is also listed as supporting 2–4S batteries. Check the selected power system and battery option for compatibility.
Can the lighting be controlled from the transmitter?
Yes. The product specifications list multiple lighting modes that can be controlled from the transmitter, including grille warning lights.
Does it include sound effects?
The product specifications list controllable horn, alarm and music effects. Check the selected package details for the sound components included.
How much space should I allow for the vehicle?
The listed vehicle size is 77.5 × 30.2 × 28.8 cm. Plan storage and transport around this vehicle size.
Can BOMETOYS help identify replacement parts?
BOMETOYS provides full parts support for this vehicle. Send us a photo of the part and its part number, and we will help match the correct replacement.
Enhanced transmission concept specially developed for six-wheel drive:
CROSSRC EMO XL uses an over-bridge transmission shaft and a double reverse transmission portal bridge structure as the driving basis. It is equipped with front and rear individually controlled differential locks (rear dual axles are controlled simultaneously) and a two-speed high-strength all-metal wheel gearbox to meet the current popular high-power high-speed climbing gameplay.
The CROSSRC EMO XL third axle suspension is fixed with a combination of aircraft aluminum and fiber, which is both strong and lightweight. The impact resistance of the last axle suspension in the event of an accidental squatting is enhanced during the steep slope process, greatly improving the reliability of the entire vehicle.
Stable and reliable basic platform:
The Crossrc 1/8 EMO platform has experienced three generations of evolution, has been continuously strengthened and upgraded, and is widely respected around the world. It provides reliable and high-performance guarantee for the new car CROSSRC EMO XL.
The metal gear reverse transmission gearbox uses aviation aluminum CNC motor base to effectively help the motor dissipate heat; the internal gears are machined and mixed with MIM injection technology gears to achieve high strength, wear resistance and low noise.
The motor has been newly upgraded, and the motor versions include 775 brushed version and HobbyWing brushless version to choose from!
The Hobbywing 8IGHT FOC Brushless RTR is built for serious performance, powered by a custom 1/8-scale FOC brushless system with a 1800KV motor and 4S LiPo support. Rip through the track with explosive speed, or dial it back for smooth, precise control when you need finesse—this rig delivers it all. (Optional)
The entire vehicle is equipped with ABEC3 level high-precision bearings, which are quiet and smooth, and extend the maintenance cycle.
The suspension tie rods are made of 7mm diameter 304 stainless steel tie rods, which are wear-resistant and rust-proof, and also have the effect of lowering the center of gravity; the suspension tie rod ball head buckles are upgraded to enlarged reinforced ball head buckles, which are more durable and impact resistant.
The ultra-large diameter 21mm CNC shock absorber uses vacuum electroplated shock absorber rods to improve the smoothness of the shock absorber and better utilize the damping oil, providing strong support and flexible posture performance. The factory has been filled with 350CST shock absorber oil and Complete the drain assembly.
The heavy-duty reinforced girder increases the cross-section ratio by 200% and increases the strength multiplier, making it suitable for high-speed violent gameplay with high-power modifications and is not easily damaged.
The strong front and rear door axles are made of imported high-performance weather-resistant nylon to meet the strength needs of friends in areas with a cold temperature of -20 degrees Celsius.
The second generation rear balance link system updates the geometric data again according to the new structure. The CROSSRC EMOX Big Rhino, the first in the model industry in 2022, effectively improves the control of the rolling center of gravity during high-speed control without affecting the work of the shock absorber, making it smooth and non-stuck.
Big Tiger's same VELOCIRAPTOR high-performance AT tire, with targeted tread patterns that maximize road-holding performance.
The original car is equipped with a high-power light set, including a central grid warning light, with multiple modes and remote control.
The entire vehicle adopts 7.4V high-voltage circuit, full-rudder gear shifting and differential lock control mechanism, Hobbywing customized version 4S 880 ESC, and linear high-power 560 carbon brush motor. Riders who subsequently upgrade to advanced servos and remote controls do not need to worry about power supply and differential speed settings. It is simple and convenient.
The original car is equipped with an interesting and fun dual-audio controllable speaker. Horns, alarms, music and other interesting audios can be freely replaced and the sound can be controlled.
Detachable tailgate attachment, the maximum tailgate area can reach 423*246mm.
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