How to match an electric motor to an RC aircraft
A practical guide to motor KV, voltage, current, thrust, aircraft weight and flight style so the power system matches the model.
Firma 3300Kv Brushless Motor
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
Firma 3300Kv Brushless Motor is a Spektrum product intended for surface RC vehicles, crawlers, bashers and race setups that need dependable Spektrum control electronics. This page presents the practical buying information a customer needs before ordering: fit, SKU, image, category, specifications and usage advantages.
The content is written for purchasing through RC-MODEL, without supplier prices or links to competing stores.
Key Advantages
- Organized under the Spektrum electric motor range.
- Intended for surface RC vehicles, crawlers, bashers and race setups that need dependable Spektrum control electronics.
- Check compatibility with Spektrum Smart equipment and the exact model requirements before ordering.
- Includes local product imagery and structured specifications for easier comparison inside RC-MODEL.
- Spektrum Smart compatibility is highlighted where relevant for batteries, chargers, ESCs or telemetry-aware systems.
Core Specifications
- Manufacturer: Spektrum
- Brand: Spektrum
- Product Code: SPMXSM1300
- Product Family: Spektrum electric motor range
- Application: 1/10 scale 4WD, 2WD, and on-road models running 2S - 3S LiPo
- Compatibility Focus: Check compatibility with Spektrum Smart equipment and the exact model requirements before ordering.
- Spektrum Category: Cars & Trucks / Parts, Electronics & Accessories / Motors
- Input Voltage: 6 - 12.6V (2-3S LiPo, 4-9 NiMH)
- Motor Type: Brushless
- Bushing Or Bearing: Bearing
- Connector Type: 4mm Bullet
- Efficiency: 82%
- Maximum Continuous Current: 33A
- Motor Class: 1/10 Scale
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
How to choose the right propeller for an RC aircraft
Diameter, pitch, motor load, current measurement and how propeller choice changes thrust, speed, efficiency and heat.
How to choose the right ESC for an RC aircraft
ESC selection by maximum current, voltage, BEC, safety margin, cooling, connector choice and the real load from motor and propeller.
How to measure current draw with a Watt Meter
A step-by-step safety guide for measuring amps, watts and voltage sag so customers avoid overheating motors, ESCs and LiPo batteries.
How to prevent motor and propeller vibration
A safety and performance guide to propeller balance, spinner fit, bent shafts, motor mounts, firewall checks and protecting electronics from vibration.
| Technical Specifications | |
| Manufacturer | Spektrum |
| Brand | Spektrum |
| Product Code | SPMXSM1300 |
| Spektrum Category | Cars & Trucks / Parts, Electronics & Accessories / Motors |
| Connector Type | 4mm Bullet |
| Product Family | Spektrum electric motor range |
| Application | 1/10 scale 4WD, 2WD, and on-road models running 2S - 3S LiPo |
| Compatibility Focus | Check compatibility with Spektrum Smart equipment and the exact model requirements before ordering. |
| Input Voltage | 6 - 12.6V (2-3S LiPo, 4-9 NiMH) |
| Maximum Continuous Current | 33A |
| Product Length | 2.04" (52 mm) |
| Product Weight | 7.05oz (200g) |
| Motor Type | Brushless |
| Output | 430W (2S) |
| Motor Size | 3652-3300Kv |
| Number of Poles | 4 |
| RPM/Volt (Kv) | 3300Kv |
| Bushing Or Bearing | Bearing |
| Outer Diameter | 1.47" (37 mm) |
| Shaft Diameter | 0.125" (3 mm) |
| Motor Design | Inrunner |
| Motor Class | 1/10 Scale |
| Recommended Speed Control | Spektrum Firma 85A Smart ESC |
| Mounting Dimensions | Same as 540 and 550 size brushed motors |
| Sensored | No |
| Efficiency | 82% |
Tags: Spektrum, SPMXSM1300, Spektrum electric motor range, Spektrum Catalog, Spektrum Motors, Spektrum Surface Electronics, RC-MODEL