If you're searching for a powerful, high-performance RC crawler truck that dominates tough terrains, the CROSSRC EMO XL Big Bison is a top contender. This 1/8 scale 6x6 off-road monster combines rugged durability with incredible crawling capabilities, making it a favorite among RC enthusiasts.
In this in-depth review, we’ll cover:
✅ Key Features & Specs
✅ Performance on Different Terrains
✅ Pros & Cons
✅ Who Should Buy It?
✅ Maintenance Tips
Let’s dive in!
📊 CrossRC EMO XL Big Bison – Technical Specifications
| Category | Details |
|---|---|
| Brand | CROSSRC |
| Model | EMO XL RTR (Ready-to-Run) |
| Scale | 1/8 |
| Size | 775 x 302 x 288mm |
| Wheelbase | 375 + 150mm |
| Remote Range | ~400m |
| Weight | 7.8 kg (package) |
| Material | High-strength plastic & metal chassis |
| Colors | Blue / Red / Yellow / Gray (options) |
| Battery Compartment | Fits up to 140 x 50 x 40mm (3S LiPo recommended) |
| Channels | 6-channel control |
| Included | Motor, ESC, Servo, Two-speed transmission, LED light system, Remote controller |
Optional Upgrades:
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XT60 3S 5200mAh Battery (for extended runtime)
-
SKYRC MAX B6AC 80W Balance Charger (fast & safe charging)
🔥 Key Features of the CROSSRC EMO XL Big Bison
1. 6WD (6x6) Drivetrain for Unstoppable Traction
Unlike standard 4x4 RC trucks, the Big Bison’s 6-wheel drive ensures maximum grip on rocks, mud, sand, and steep inclines. No terrain is too tough!
2. Heavy-Duty Metal Chassis & Suspension
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Steel ladder frame for extreme durability
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Oil-filled shocks for smooth off-road handling
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Portal axles for improved ground clearance
3. Two-Speed Transmission & Differential Locks
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Front & rear differential locks for precision control
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High/low gear shifting (crawl slowly or speed through trails)
4. Realistic Scale Detailing
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LED light system (headlights, taillights, roof lights)
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Functional winch for recovery missions
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Multi-functional tailgate for easy customization
5. Waterproof Electronics
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Waterproof ESC & receiver—perfect for muddy trails & shallow water crossings
🏜 Performance Test: How Does It Handle Different Terrains?
| Terrain | Performance | Rating (⭐/5) |
|---|---|---|
| Rocks | Excellent crawling, no wheel slip | ⭐⭐⭐⭐⭐ |
| Mud | 6WD plows through with ease | ⭐⭐⭐⭐ |
| Sand | Needs speed to avoid sinking | ⭐⭐⭐ |
| Steep Hills | Climbs like a beast | ⭐⭐⭐⭐⭐ |
| Trails | Smooth & stable at high speed | ⭐⭐⭐⭐ |
Verdict: Best for rock crawling & technical trails, but still strong in mud and hills.
👍 Pros & Cons
✔️ Pros
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Unmatched 6x6 traction
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Two-speed transmission (versatile performance)
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Waterproof & durable
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Ready-to-Run (RTR) – No assembly needed!
❌ Cons
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Heavy (not ideal for high-speed bashing)
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Battery compartment is tight
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Higher price than 4x4 crawlers
🎯 Who Should Buy the CROSSRC EMO XL Big Bison?
This truck is perfect for:
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RC crawler enthusiasts who want extreme off-road performance
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Scale model lovers who appreciate realistic details
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Adventure seekers who tackle mud, rocks, and tough trails
If you prefer speed over crawling, consider a short-course truck or buggy instead.
🛠 Maintenance Tips for Longevity
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Clean after wet/muddy runs to prevent corrosion
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Check gear mesh regularly
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Upgrade to aluminum links for extra strength
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Lubricate drivetrain components
🏆 Final Verdict: Is the Big Bison Worth It?
If you want a high-end, unstoppable 6x6 RC crawler, the CROSSRC EMO XL Big Bison delivers exceptional performance, durability, and realism. While it’s not the fastest, its off-road dominance makes it a must-have for serious crawler fans.
👉 Ready to conquer the trails? Check it out here!
📌 FAQ
Q: Is the Big Bison RTR (Ready-to-Run)?
A: Yes! It comes fully assembled with a motor, ESC, servo, and radio system—just add a battery!
Q: What battery fits best?
A: A 3S LiPo (11.1V, 4000mAh+) is ideal for balance of runtime & power.
Q: Can I upgrade to brushless?
A: Absolutely! Many users install brushless systems for more power.