---
product_id: 532130249
title: "Brushless Rc Boat Motor, Surpass Hobby 4074 2250KV Brushless Motor with Cooling Set Design for RC Boat (2250kv)"
brand: "usa"
price: "$147.21"
currency: USD
in_stock: true
reviews_count: 9
category: "Surpass Hobby Usa"
url: https://www.desertcart.us/products/532130249-brushless-rc-boat-motor-surpass-hobby-4074-2250kv-brushless-motor
store_origin: US
region: United States of America
---

# 2250KV high-speed RPM Advanced cooling aluminum alloy 4-pole design for max torque Brushless Rc Boat Motor, Surpass Hobby 4074 2250KV Brushless Motor with Cooling Set Design for RC Boat (2250kv)

**Brand:** usa
**Price:** $147.21
**Availability:** ✅ In Stock

## Summary

> ⚡ Dominate the water with power, precision, and style!

## Quick Answers

- **What is this?** Brushless Rc Boat Motor, Surpass Hobby 4074 2250KV Brushless Motor with Cooling Set Design for RC Boat (2250kv) by usa
- **How much does it cost?** $147.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/532130249-brushless-rc-boat-motor-surpass-hobby-4074-2250kv-brushless-motor)

## Best For

- usa enthusiasts

## Why This Product

- Trusted 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 with corrosion resistance and precision-balanced rotor for long-lasting, sleek performance.
- • **Unmatched Power & Speed:** 2250KV brushless motor delivers blistering acceleration and top-tier performance for your RC boat.
- • **Whisper-Quiet Operation:** High RPM ABEC5 oversized bearings reduce noise and friction for smooth, reliable runs every time.
- • **Next-Level Cooling System:** CNC machined 6061 T6 aluminum heatsink combined with copper windings guarantees superior heat dissipation and durability.
- • **Precision 4-Pole Engineering:** High torque and efficiency with a 4-pole, 12-slot design ensures stable, responsive power output.

## Overview

The Surpass Hobby 4074 2250KV Brushless RC Boat Motor is a high-performance, waterproof motor engineered for 650-800mm RC boats. Featuring a 4-pole design for superior torque and efficiency, advanced aluminum alloy cooling, and precision ABEC5 bearings, it delivers 3.81 horsepower with low noise and exceptional durability. Perfect for serious hobbyists craving speed and reliability on the water.

## Description

The difference between this brushless motor and ordinary motor is that it is a waterproof motor with outstanding waterproof performance, suitable for 1/8 remote control car. Let you have a better sense of experience1. 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 Rotor

Review: Amazing power - Great motor with cooling combo. Dimensions were right on. Power is amazing in my 3D printed jet boat
Review: This thing flys - Super fast

## Features

- 【Brushless RC Boat Motor】This motor is designed for 650-800mm Boat.Exquisite shape and exquisite craftsmanship, Surpass hobby 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BG55X32T |
| Best Sellers Rank | #181,854 in Toys & Games ( See Top 100 in Toys & Games ) #287 in RC Electric Motors |
| Brand | Surpass Hobby USA |
| Customer Reviews | 4.3 4.3 out of 5 stars (42) |
| Horsepower | 3.81 Horsepower |
| Item Weight | 15.5 ounces |
| Item model number | 1 |
| Manufacturer | SHENZHEN SURPASS TECH CO.,LTD |
| Material | Aluminum, Metal |
| Product Dimensions | 1.5"W x 1.5"H |
| Speed | 2250 RPM |
| UPC | 768486239887 |
| Voltage | 12 Volts |

## Product Details

- **Brand:** Surpass Hobby USA
- **Horsepower:** 3.81 Horsepower
- **Product Dimensions:** 1.5"W x 1.5"H
- **Speed:** 2250 RPM
- **Voltage:** 12 Volts

## Images

![Brushless Rc Boat Motor, Surpass Hobby 4074 2250KV Brushless Motor with Cooling Set Design for RC Boat (2250kv) - Image 1](https://m.media-amazon.com/images/I/61Hx29aYTyL.jpg)
![Brushless Rc Boat Motor, Surpass Hobby 4074 2250KV Brushless Motor with Cooling Set Design for RC Boat (2250kv) - Image 2](https://m.media-amazon.com/images/I/61a700FluJL.jpg)
![Brushless Rc Boat Motor, Surpass Hobby 4074 2250KV Brushless Motor with Cooling Set Design for RC Boat (2250kv) - Image 3](https://m.media-amazon.com/images/I/61bPkairWdL.jpg)
![Brushless Rc Boat Motor, Surpass Hobby 4074 2250KV Brushless Motor with Cooling Set Design for RC Boat (2250kv) - Image 4](https://m.media-amazon.com/images/I/71Un5xy5QKL.jpg)
![Brushless Rc Boat Motor, Surpass Hobby 4074 2250KV Brushless Motor with Cooling Set Design for RC Boat (2250kv) - Image 5](https://m.media-amazon.com/images/I/71WT61QtARL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Amazing power
*by K***N on August 13, 2025*

Great motor with cooling combo. Dimensions were right on. Power is amazing in my 3D printed jet boat

### ⭐⭐⭐⭐⭐ This thing flys
*by A***W on August 17, 2025*

Super fast

### ⭐⭐⭐⭐⭐ 8S Marine Motor
*by B***N on October 21, 2024*

This is a great motor. Ran test on 6S. Very quiet. Easy to install. Look to get in water next week. Great value.

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- Brushless Rc Boat Motor, Surpass Hobby 4074 2250KV Brushless Motor with Cooling Set Design for RC Boat (2250kv)
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-16*