---
product_id: 535772426
title: "Surpass Hobby 4082 1120KV Brushless Motor 4Pole Shaft 5mm RC Boat Motor with Water Cooling Jacket for RC Boat (1120kv)"
brand: "surpass hobby usa"
price: "₩217681"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/535772426-surpass-hobby-4082-1120kv-brushless-motor-4pole-shaft-5mm-rc
store_origin: KR
region: South Korea
---

# 1120KV high RPM power Water cooling jacket for optimal heat dissipation 4-pole design for max torque & efficiency Surpass Hobby 4082 1120KV Brushless Motor 4Pole Shaft 5mm RC Boat Motor with Water Cooling Jacket for RC Boat (1120kv)

**Brand:** surpass hobby usa
**Price:** ₩217681
**Availability:** ✅ In Stock

## Summary

> 🚤 Power, Precision, and Cool Confidence — Rule the Waves with Surpass Hobby!

## Quick Answers

- **What is this?** Surpass Hobby 4082 1120KV Brushless Motor 4Pole Shaft 5mm RC Boat Motor with Water Cooling Jacket for RC Boat (1120kv) by surpass hobby usa
- **How much does it cost?** ₩217681 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/535772426-surpass-hobby-4082-1120kv-brushless-motor-4pole-shaft-5mm-rc)

## Best For

- surpass hobby usa enthusiasts

## Why This Product

- Trusted surpass hobby usa brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last & Impress:** Durable metal shell, corrosion-resistant materials, and precision-balanced rotor combine for longevity and sleek aesthetics.
- • **Stay Cool Under Pressure:** Advanced water cooling jacket and CNC-machined aluminum heatsink keep your motor running cooler, longer.
- • **Unleash High-Speed Power:** 1120KV rating delivers up to 50,000 RPM for blistering acceleration on your RC boat.
- • **Whisper-Quiet Performance:** ABEC5 oversized bearings reduce noise and friction, giving you smooth, reliable operation.
- • **Precision Engineered for Efficiency:** 4-pole, 12-slot design with high-purity copper windings ensures over 95% energy conversion efficiency.

## Overview

The Surpass Hobby 4082 1120KV Brushless Motor is a high-performance 4-pole RC boat motor designed for 650-800mm boats. Featuring a water cooling jacket, CNC-machined aluminum heatsink, and high-purity copper windings, it delivers up to 3400W power with over 95% efficiency. Its precision-balanced rotor and ABEC5 oversized bearings ensure smooth, low-noise operation, while durable, corrosion-resistant materials guarantee long-lasting reliability.

## Description

the difference between this brushless motor and ordinary motor that is a waterproof motor with outstanding waterproof performance, Let you have a better sense of experience.Features:1. 4 Pole 12 Slot Hi-torque Motor Design,Precision Engineered for Maximum Energy Conversion2. CNC Machined 6061 T6 Billet Aluminum Heatsink Can3 . High Purity Copper Windings Maximizes Efficiency,High RPM ABEC5 Oversized Bearings3. Precision balanced rotor,smoothness for best reliability and maximum RPM5. Stator - Super Thin (0.2mm) Laminations ,Removable/Replaceable RotorSpecifications:Brand: Surpass HobbyProduct: 4082 Brushless MotorKV(RPM/Volt): 1120Max Amps: 78AMax Voltage: 43VWatt: 3400WMotor Size: ø40x82mmWinding Type: WYENumber of Turns: 2.5YNo load current: 1.8AMax RPM: 50000Resistance(MΩ):21.0Shaft Diameter: 5mmRotor Poles: 4Connector: 4.0mm connectorN.W: 400gWater Cooling Jacket Unit:Model: 40-SSize: ø48x56mmN.W: 41gPackage List:1 x 4082 Brushless Motor1 x Water Cooling Jacket Unit

## Features

- 【Brushless Motor for RC Boat】This motor is designed for 650-800mm Boat.Exquisite shape and exquisite craftsmanship, Surpass hobby RC boat motors are engineered to provide maximum power and cooling for your RC watercraft.
- 【4 Poles Design】4 poles design ensures high torque & high efficiency, offers the ship much faster acceleration response and stable output of power,The overall efficiency exceed 95 percent.
- 【Good Heat Dissipation】This is made of high-quality aluminum alloy and copper with cooling set, use advanced processing technology ensures good heat dissipation,which is durable and has a long service life.
- 【Low Noise】High RPM ABEC5 Oversized Bearings, Superior bearing is precision and durable with low noise and small friction to achieve the best reliability and maximum RPM.
- 【High Grade Material】 Made of metal material, the motor with durable shell, advanced rotor structure, high-quality shaft, high-precision bearings ,Durable, Corrosion Resistant and Great looks.

## Product Details

- **Brand:** Surpass Hobby USA
- **Speed:** 1120 RPM
- **Voltage:** 12 Volts
- **Horsepower:** 4.62 Horsepower
- **Material:** Aluminum, Metal

## Images

![Surpass Hobby 4082 1120KV Brushless Motor 4Pole Shaft 5mm RC Boat Motor with Water Cooling Jacket for RC Boat (1120kv) - Image 1](https://m.media-amazon.com/images/I/51qPsA4K5VL.jpg)
![Surpass Hobby 4082 1120KV Brushless Motor 4Pole Shaft 5mm RC Boat Motor with Water Cooling Jacket for RC Boat (1120kv) - Image 2](https://m.media-amazon.com/images/I/61s7F1+fjxL.jpg)
![Surpass Hobby 4082 1120KV Brushless Motor 4Pole Shaft 5mm RC Boat Motor with Water Cooling Jacket for RC Boat (1120kv) - Image 3](https://m.media-amazon.com/images/I/61Dzs01TI+L.jpg)
![Surpass Hobby 4082 1120KV Brushless Motor 4Pole Shaft 5mm RC Boat Motor with Water Cooling Jacket for RC Boat (1120kv) - Image 4](https://m.media-amazon.com/images/I/71PEaVyZ2kL.jpg)
![Surpass Hobby 4082 1120KV Brushless Motor 4Pole Shaft 5mm RC Boat Motor with Water Cooling Jacket for RC Boat (1120kv) - Image 5](https://m.media-amazon.com/images/I/618C4JDGJCL.jpg)

## Available Options

This product comes in different **Size, Style** options.

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-29*