Description
The RGT EX86170PRO Challenger PRO 1/10 4WD Brushless RC Crawler is an upgraded off-road crawler designed for technical rock crawling, trail driving and challenging terrain. It features a Hobbywing FOC brushless power system with an 1800KV motor and 40A ESC, delivering smooth low-speed control, strong crawling torque and responsive performance.
The Challenger PRO combines front-wheel-drive and 4WD modes with a two-speed transmission, DIG functionality and remotely operated rear winch. Its portal axles, all-steel drivetrain gears, 35kg high-voltage metal-gear steering servo and adjustable metal shock absorbers provide a capable platform for demanding off-road driving.
Additional features include an 8-channel 2.4GHz radio system, 25kg 360-degree winch servo, auxiliary function servos and a reinforced roll-cage body. With its large 120mm tyres and high ground clearance, the EX86170PRO is built for hobbyists looking for a feature-rich scale crawler.
RC Specifications
| Specification | Details |
|---|---|
| Brand | RGT Racing |
| Model | EX86170PRO Challenger PRO |
| Vehicle Type | RC Rock Crawler / Off-Road Truck |
| Scale | 1:10 |
| Drive System | Front-wheel drive + 4WD selectable modes |
| Motor | Hobbywing FOC 1800KV brushless motor |
| ESC | Hobbywing WP Fusion FOC 40A brushless system |
| Steering Servo | 35kg high-voltage digital metal-gear servo |
| Winch Servo | 25kg 360° digital metal-gear servo |
| Auxiliary Servos | 7.4V 9g metal-gear function servos |
| Radio System | XA8 2.4GHz, 8-channel |
| Transmission | Two-speed high/low transmission |
| DIG Function | Yes |
| Winch | Rear winch with 90cm steel cable |
| Axles | Portal axles |
| Drivetrain | Full-metal gears |
| Suspension | Metal shock absorbers |
| Body | Polycarbonate body with reinforced roll cage |
| Vehicle Length | 485mm / 19.09in |
| Vehicle Width | 258mm / 10.16in |
| Vehicle Height | 246mm / 9.69in |
| Wheelbase | 313mm / 12.32in |
| Chassis Ground Clearance | 70mm / 2.76in |
| Axle Ground Clearance | 54mm / 2.13in |
| Tyre Diameter | 120mm / 4.72in |
| Tyre Width | 45mm / 1.77in |
| Approach Angle | 80° |
| Departure Angle | 70° |
| Breakover Angle | 30° |
| Low Gear Ratio | Front 49.8:1 / Rear 53:1 |
| High Gear Ratio | Front 26.3:1 / Rear 28:1 |
| Front/Rear Speed Difference | 6.6% overdrive |
| Vehicle Weight | 3.20kg / 7.05lb (without battery, manufacturer manual) |
| Recommended Battery | 2S–3S LiPo or 5–9-cell NiMH |
| Battery | Not included |
| Charger | Not included |
| Transmitter Batteries | 4 × AA batteries, not included |
| Box Dimensions | 575 × 275 × 282mm / 22.64 × 10.83 × 11.10in |
| Assembly | Ready-to-run (RTR) |















