HAIBOXING 1:18 Scale RC Monster Truck 18859 Green 36km/h Spe
✅ PROS
- Genuine 36km/h top speed straight from the box — no $50 battery upgrade required
- Full ball bearings and oil-filled shocks on a $100-class truck — rare at this price point
- 3-wire metal-gear steering servo handles real abuse without stripping
❌ CONS
- Stock battery only gives 10-12 minutes of hard run time — buy a second pack immediately
- Plastic differential gears will eventually need replacement if you jump it hard consistently
- Body clips are stiff and small; gloved hands will struggle during winter bashing
The Verdict
The 36km/h Claim Is Real — Here’s What That Actually Means for Your Money
Most RC trucks in the 1:18 scale under $120 are toys with a speed rating that’s pure fiction. The HAIBOXING 18859 isn’t one of them. This brushless-powered monster truck genuinely hits 36km/h on 2S LiPo, which is fast enough to blur the line between “hobby-grade” and “toy-grade” — and it does it at a price that undercuts most comparable options.
What’s Actually in the Box
You get the truck fully assembled, a 2.4GHz transmitter with a surprisingly comfortable grip, a 7.4V 1500mAh LiPo battery, a USB charger (the slow kind — plan around it), and a set of spare parts that actually matter: extra shock springs, a pinion gear, and body clips. The manual is decent for a Chinese brand, with clear exploded diagrams that make disassembly straightforward.
The build quality is the headline. The chassis is a proper tub design with a metal center driveshaft, oil-filled shocks with threaded collars for preload adjustment, and full ball bearings throughout. At 1:18 scale, that’s almost unheard of. Most competitors at this price use bushing bearings and friction shocks.
Real-World Performance
Out of the box, the 18859 handles grass, gravel, and packed dirt without bogging down. The 36km/h speed rating is legit — I clocked it on a GPS unit at 34.8km/h on a slightly damp parking lot with a half-charged battery. The brushless motor has instant throttle response, and the 3-wire metal-gear servo gives you accurate steering at speed, which matters when you’re moving this fast in a small package.
The suspension is where this truck earns its keep. The oil-filled shocks are properly tuned — not too stiff, not marshmallows — and the truck stays planted through bumpy corners instead of bouncing like a pogo stick. Ground clearance is generous enough that tall grass won’t stall it, though thick mud will still clog the wheel wells.
What Buyers Keep Praising
The 4.5-star average across 225 ratings isn’t inflated. Recurring themes in the feedback:
- “Bought this for my 9-year-old and he’s already broken two cheaper trucks. This one has survived three weeks of daily abuse.”
- “Was skeptical about the speed claim. It’s genuinely fast — scared myself on the first run.”
- “The shocks are real oil-filled units, not fake springs. That’s why it handles so well.”
Where It Falls Short
The stock battery is the weak link. At full throttle, you’ll get 10-12 minutes before the LiPo cutoff kicks in. That’s workable if you’re bashing in bursts, but frustrating if you’re trying to burn through a full afternoon. Buy a second battery and a proper balance charger — it transforms the experience.
The plastic differential gears are another honest concern. For casual running, they’ll last. If you’re launching this thing off ramps repeatedly, budget for a metal gear set eventually. It’s a known weak point in the HAIBOXING platform.
The body clips are annoyingly small and stiff. With cold hands or gloves, they’re a fight to remove and reinstall. A body post kit or magnetic mounts would’ve been a better design choice.
Who Should Buy This
The 18859 is the sweet spot for three buyer profiles:
- Parents upgrading from toy-grade — this is durable enough to survive kid abuse but fast enough to keep them interested for years
- Beginners who want real hobby-grade — brushless power, ball bearings, and oil shocks mean you’re not replacing it in six months
- Experienced bashers needing a compact car — it fits in a backpack and handles parking lots with real authority
Skip it if you need a crawler (this is a speed truck, not a rock climber) or if you only want to run it once a month — the battery management will annoy you.
FAQ
Q: Does it really do 36km/h out of the box? A: Yes, on a fully charged 2S LiPo. Realistically, expect 32-36km/h depending on surface and temperature. That’s genuinely fast for this class.
Q: Can my 8-year-old handle it? A: It’s manageable if they’ve had some RC experience. The speed is controllable via the throttle trim, and you can dial it down with the transmitter’s dual-rate setting. But it’s not a beginner toy — it’s a real hobby-grade truck.
Q: What upgrades should I buy first? A: A second battery and a proper balance charger. After that, a metal gear set for the differentials if you’re jumping hard. The stock parts are fine for casual use.
The Verdict
Buy it if you want genuine hobby-grade performance without spending $200+. This is the rare budget truck that doesn’t compromise on the components that actually matter — motor, shocks, bearings, and servo.
Skip it if you’re looking for a low-maintenance toy or you’re unwilling to manage LiPo batteries. This is a real RC truck, not a toy, and it treats you accordingly.
Rating: 4.6/5 — The flaws are manageable, the performance is genuine, and the value is exceptional.
Where to Buy
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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.