Overview
The Hobbywing QUICRUN 2850 SL G2 is a sensorless brushless motor designed for 1/12th and 1/14th scale vehicles. It is designed to pair with the HOBBYWING QuicRun 12BL45 ESC (QuicRun WP 12BL45 G2 listed for both KV options).
Key Features
- High efficiency, low power consumption, and low temperature rise; maximum efficiency up to 80% (2850-3400KV example).
- IP56 protection rating for dust resistance and reliable performance in wet conditions.
- Silicone wire output design for more flexible and clean wire routing, making installation easier.
- Pre-soldered, high-quality gold-plated 3.5mm connectors for plug-and-play installation.
- Selected 0.2mm thick silicon steel laminations, high-strength rotor, high-temperature resistant enameled wire, and premium high-precision bearings.
- Designed for stable continuous output under the same load conditions.
For product selection or compatibility questions, contact customer service at https://rcdrone.top/ or support@rcdrone.top.
Specifications
| Item | QuicRun 2850SL 4700KV G2 | QuicRun 2850SL 3400KV G2 |
|---|---|---|
| Product Number | 30404805 | 30404804 |
| Scale | 1/12th, 1/14th | 1/12th, 1/14th |
| Brushed/Brushless | BL | BL |
| Sensored/Sensorless | SL | SL |
| Pole | 4 | 4 |
| KV Rating | 4700KV | 3400KV |
| LiPo Cells | 2S | 2-3S |
| No-load Current (A) | 4.3A | 2.8A |
| O.D. (mm) | 28 | 28 |
| Length (mm) | 50.5 | 50.5 |
| Shaft Diameter (mm) | 3.175 | 3.175 |
| Weight (g) | 125g | 125g |
| Front Bearing | D9 D4 T4 | D9 D4 T4 |
| Rear Bearing | D9.525 D3.175 T3.967 | D9.525 D3.175 T3.967 |
| ESC | QuicRun WP 12BL45 G2 | QuicRun WP 12BL45 G2 |
| Vehicles | 1/12th Vehicles (Light-load), 1/14th Vehicles (Heavy-load) | 1/12th Vehicles (Light-load), 1/14th Vehicles (Heavy-load) |
Applications
- 1/12th vehicles (light-load)
- 1/14th vehicles (heavy-load)
- On-road and off-road vehicles
- Trucks, short course trucks, and monster trucks
Details

The QuicRun SL G2 motor comes with pre-installed bullet connector leads to simplify wiring in compact 1/12 and 1/14 RC builds.

The QUICRUN 2850 G2 3400KV motor is designed for high efficiency, with the text noting up to 80% maximum efficiency.

The efficiency curve plots motor efficiency (%) against torque (N·m) under the same load conditions.

The QUICRUN 2850 SL G2 motor features an IP56 protection rating for dust resistance and reliable operation in wet conditions.

The QUICRUN 2850 SL G2 motor uses silicone wire outputs for cleaner, more flexible routing during installation.

Pre-soldered gold-plated 3.5mm connectors make it easy to plug the motor into compatible ESC leads without extra soldering.

The Hobbywing QUICRUN 2850 G2 motor is built with 0.2mm silicon steel laminations, enameled wire, and precision bearings for durable RC setups.

The QUICRUN 2850 motor is listed as compatible with 1/14 and 1/12 scale models, including on-road, off-road, trucks, short course trucks, and monster trucks.
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