Hobbywing XeRun Xerun 4274 SD G3 2250KV Sensored Brushless Motor for 1/8 RC Monster Truck
Hobbywing XeRun Xerun 4274 SD G3 2250KV Sensored Brushless Motor for 1/8 RC Monster Truck
Hobbywing
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Overview
This Motor is the Hobbywing XeRun Xerun 4274 SD G3 2250KV sensored brushless motor, designed for 1/8 scale RC competition applications including Monster Truck and Touring Car setups. It supports a pure signal sensor mode circuit for full-sensored operation when paired with Hobbywing XeRun XR8 series ESCs.
Key Features
- Turbo Timing Technology (when paired with Hobbywing XeRun XR8 series ESCs).
- Full-sensored mode (when paired with XR8 ESC); built-in integrated circuit helps the ESC identify the sensor unit for “Pure Sensored” operation.
- Mechanical turbo timing adjustable in both directions (CW/CCW) from 20-40°.
- Turbo feature note: when G3 series motors are paired with XR8 Pro G2 ESC, the turbo feature can be set to a maximum of 48°.
- Advanced Hall sensor system (“error-free” Hall sensing system) with a separate magnetic ring intended to keep Hall sensor location output clean and reduce external interference effects.
- Low cogging.
- 4-pole, 8-magnet “Staggered Pole” rotor (patented design).
- Dustproof design rated IP5X for 4274-2250KV (note: only 4268-1900KV/2200KV and 4274-2250KV are IP5X).
- Efficiency statement: compared with XERUN 4268/4274 G2, structure is optimized and efficiency is improved by 6% or more, reducing temperature increase (reducing thermal runaway).
- Construction highlights: single-piece 7075 aluminum bar CNC-processed stator case; silicone O-ring seal at the sensor port/sensor base; gold-plated U-shaped/90° curved copper solder tabs with low internal resistance.
- Materials: double insulated windings (240°C R-rated), high-intensity adhesive (340°C), NMB bearings (Japan).
For setup/compatibility questions (ESC pairing, gearing, sensor operation), contact customer service at support@rcdrone.top.
Specifications
| Series / Model | Xerun 4274 SD (G3) |
| Part Number (P/N) | 30405001 |
| KV | 2250KV |
| Poles | 4 |
| LiPo | 2S-6S |
| No-load current | 5.4 A |
| Size (O.Dia / length) | 42/74 mm |
| Shaft diameter | 5 mm |
| Weight | 354 g |
| Mechanical timing adjustment | 20-40° (CW/CCW) |
| Dustproof rating | IP5X (4274-2250KV) |
Applications
- Best application: 1/8th Monster Truck, SCT, Buggy, Truck, and Touring Car
- 4274 (2250KV) application note: suitable for 1/8 off-road recreational use and popular with 1/8th truggy competition
Manuals
Details
The XeRun sensored brushless motor is designed for 1/8-scale RC builds and pairs with a full-sensored power system for smoother control.
Hobbywing’s 1/8 power system supports Turbo Timing technology when paired with compatible XeRun XR8 series ESCs.
The XeRun sensored brushless motor features an adjustable mechanical turbo timing ring with CW/CCW markings from 20° to 40° for precise setup.
XeRun SD G3 motors feature a finned can design and A/B/C solder tabs, with the manufacturer noting improved efficiency to help reduce temperature rise.
The G3 motor’s Hall sensor system uses a separate magnetic ring to help deliver a clean, accurate rotor position signal.
The XeRun SD G3 off-road motor features an IP5X dustproof design to help minimize debris entering the motor.
The XeRun 4268SD G3 sensored motor uses a finned aluminum can and lightweight design to help keep your 1/8 RC setup balanced.
The Hobbywing XeRun sensored brushless motor features a finned aluminum housing and is labeled 1900KV, with “low cogging effect” noted on the graphic.
The sensored motor uses gold-plated U-shaped solder tabs for A/B/C phase wiring and a silicone O-ring seal at the sensor port.
The XeRun 4274 is listed as a single 2250KV option for 1/8 off-road use, alongside 4268 on-road and off-road KV variants.
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