Spektrum RC 4685 4-Pole Brushless Marine Motor (740kV)

Motor Overview:

The Spektrum™ 4685 4-Pole Brushless Marine Motor is purpose-built for performance enthusiasts running high-power RC boats using a 12S LiPo battery setup. With a robust 740kV rating and an extended 85-millimeter length, this motor is designed to deliver increased torque and superior thrust for large hulls and demanding water conditions. Its water-cooled design helps maintain optimal operating temperatures, ensuring consistent power and efficiency during extended runs.

About the 4685 Brushless Motor

Optimized Marine Power & Performance

This motor features a 4-pole internal design that boosts torque and efficiency. The durable five-millimeter steel output shaft offers reliability under stress, while the integrated eight-millimeter bullet connectors allow for quick and hassle-free installation. Combined, these features make the 4685 a powerhouse built specifically for the rigors of high-speed marine action.

Features:

• 740kV rating for strong torque and efficient power delivery
• Water-cooled housing for better thermal performance
• 4-pole design enhances torque and throttle response
• 85-millimeter motor length increases torque output
• Built for 12S LiPo setups in high-power boats
• Five-millimeter steel output shaft for added durability
• Eight-millimeter bullet connectors for quick installation

Includes:

• (1) 4685 4-Pole Brushless Marine Motor (740kV) w/Water Cooling Jacket

Specifications:

Manuals:

User Manual

This product was added to our catalog on May 14, 2025