Radio systems and receivers: choosing a reliable control link
Channels, receiver protocols, telemetry, range, redundancy and what to check before matching a transmitter to a model.
Spektrum 4685 4-Pole Brushless Marine Motor 1350Kv
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
Spektrum 4685 4-Pole Brushless Marine Motor 1350Kv is a Spektrum product intended for RC boats and marine installations where electronics, wiring and receiver protection must be selected carefully. 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 RC boats and marine installations where electronics, wiring and receiver protection must be selected carefully.
- Check model fit, connector type, voltage range and Spektrum protocol compatibility before ordering.
- Includes local product imagery and structured specifications for easier comparison inside RC-MODEL.
Core Specifications
- Manufacturer: Spektrum
- Brand: Spektrum
- Product Code: SPMXMM1000
- Product Family: Spektrum electric motor range
- Application: RC boats and marine installations where electronics, wiring and receiver protection must be selected carefully
- Compatibility Focus: Check model fit, connector type, voltage range and Spektrum protocol compatibility before ordering.
- Spektrum Category: Boats / Parts, Electronics & Accessories / Motors
- Input Voltage: 8.4 - 33.6V (2S-8S LiPo)
- Motor Type: Brushless
- Bushing Or Bearing: Bearing
- Connector Type: 6.5mm Bullet
- Connector Wire Length: 6.2" (160mm)
- Efficiency: 84%
- Maximum Continuous Current: 70A
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 bind an RC transmitter and receiver
A practical binding guide for matching protocol, bind mode, receiver power, model memory, control checks and common binding mistakes.
How to set failsafe correctly on an RC aircraft
Failsafe setup for electric and fuel aircraft: throttle behavior, receiver signal loss, switch positions and safe verification before flight.
How to set Dual Rates and Expo on an RC transmitter
Make an aircraft calmer for beginners by setting low rates, high rates and expo without hiding mechanical setup problems.
How to perform the first test flight of an RC aircraft
Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Manufacturer | Spektrum |
| Brand | Spektrum |
| Product Code | SPMXMM1000 |
| Spektrum Category | Boats / Parts, Electronics & Accessories / Motors |
| Connector Type | 6.5mm Bullet |
| Product Family | Spektrum electric motor range |
| Application | RC boats and marine installations where electronics, wiring and receiver protection must be selected carefully |
| Compatibility Focus | Check model fit, connector type, voltage range and Spektrum protocol compatibility before ordering. |
| Input Voltage | 8.4 - 33.6V (2S-8S LiPo) |
| Maximum Continuous Current | 70A |
| Product Length | 3.35" (85 mm) |
| Product Weight | 646g (1lb. 6oz) |
| Motor Type | Brushless |
| Water-Resistant | Yes |
| Connector Wire Length | 6.2" (160mm) |
| Number of Poles | 4 |
| RPM/Volt (Kv) | 1350Kv |
| Bushing Or Bearing | Bearing |
| Outer Diameter | 1.81" (46 mm) |
| Shaft Diameter | 0.19" (5 mm) |
| Motor Design | Inrunner |
| Shaft Length | 0.84" (21 mm) |
| Efficiency | 84% |
| Power (watts) | 4000 (8S) |
| Plug Type | D6.5 |
Tags: Spektrum, SPMXMM1000, Spektrum electric motor range, Spektrum Catalog, Spektrum Motors, Spektrum Boat Accessories, RC-MODEL