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Granite Mega 665 1/10 4WD Electric Monster Truck w/SLT2 2.4GHz Radio
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Granite Mega 665 1/10 4WD Electric Monster Truck w/SLT2 2.4GHz Radio
Ready-to-Run 2S 4-Wheel Drive Monster Truck
The Arrma® Granite Mega 665 1/10 4WD Brushed Electric Monster Truck has been designed for ground shaking fun! Built for off-road fun, this Granite has been given a large, 665 size brushed motor to take your bashing to the next level.
About the Granite Mega 665
Clipless Body
The realistically styled Granite Mega 665 4x4 monster truck body is held securely in place by a hidden clipless body retention system. This ensures your body stays in place, looking great during any bash session.
Chassis & Suspension
The durable chassis is ventilated to keep onboard components cool. Larger side guards provide maximum protection from dirt and debris. Adjustable suspension and oil-filled coil over shocks soak up bumps. With a 3S brushless-ready transmission included as standard, the Arrma Granite 665 4x4 is equipped for an easy upgrade to brushless power for greater efficiency and higher power whenever you’re ready.
Electronics
Faster, more powerful, and 11% larger than the 550-size motor of its predecessor, the GRANITE MEGA 665 4x4 monster truck’s 14-turn MEGA 665 High Torque Brushed Motor includes an aluminum motor heatsink and 35mm motor cooling fan to boost efficiency and performance. The included Spektrum S661 Metal Gear servo and SLT2 Transmitter are perfect for off-road 2S bashing. The only things needed to get out and drive are a 2S LiPo and a compatible LiPo balance charger.
Features:
- Hidden clipless body retention system
- High-torque MEGA 665 brushed motor
- Aluminum motor heatsink
- 35mm Motor cooling fan
- Ventilated chassis
- Higher chassis side guards
- Impact-absorbing bumpers
- Multi-surface dBoots FORTRESS MT tread pattern tires
- Tough, multi-spoke pattern wheels
- Super-tough shock package
Includes:
- (1) GRANITE MEGA 665 4x4 1/10 Scale Monster Truck RTR
- (1) Spektrum SLT 2-in-1 40A LiPo Ready Waterproof ESC & Receiver with IC3 Connectors
- (1) MEGA 665 14T High Torque Brushed Motor with ARRMA Heatsink & Cooling Fan
- (1) Spektrum SLT2 2.4GHz Transmitter
- (1) Spektrum S661 Waterproof Metal Gear Digital Servo
- (4) AA Transmitter Batteries
- (1) Molded Hand Tools 2.0mm and 2.5mm
- (1) Instruction Manual
Needed To Complete:
- (1) 2S Hardcase LiPo Battery
- (1) Compatible Charger
- (1) LiPo Safe Charging Bag
Specifications:
| Scale | 1:10 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Drive | 4WD | ||||||||
| Power Source | 2S LiPo | ||||||||
| Length | 18.5in (470mm) | ||||||||
| Wheelbase | 11.18in (284mm) | ||||||||
| Width | 13.39in (340mm) | ||||||||
| Height | 8.03in (204mm) | ||||||||
| Weight | 122.4oz (3470g) | ||||||||
Electronics
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Wheels
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Tires
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| Assembly Level | RTR | ||||||||
Pairs well with
Easy to use for beginners
Durable build for long-lasting fun
Quick recharge and extended range for all-day play
Perfect for pools, lakes, and calm rivers

Granite Mega 665 1/10 4WD Electric Monster Truck w/SLT2 2.4GHz Radio
Product details
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Got Questions? We've Got Answers
What types of RC vehicles do you sell?
We offer a wide range of RC vehicles including airplanes, drones, helicopters, cars, trucks, boats, and a full selection of parts and upgrades for each.
Are your products ready to run (RTR) or require assembly?
Most of our models are RTR (Ready to Run) or RTF (Ready to Fly), meaning they include everything you need out of the box. Some kits may require minimal assembly—check the product description for details.
Do you offer replacement parts?
Yes! We stock replacement parts for most models we sell. If you’re not sure which part you need, contact our support team and we’ll help you find the right match.
How long does shipping take?
Orders typically ship within 1–2 business days. Delivery time depends on your location, but most customers in the U.S. receive their orders within 3–7 business days.
Do you ship internationally?
At the moment, we primarily ship within the U.S., but international shipping is available on select items. Please contact us for a custom quote.
























