--- product_id: 633335175 title: "Brushless Rc Boat Motor, Surpass Hobby 4074 2250KV Brushless Motor with Cooling Set Design for RC Boat (2250kv)" brand: "usa" price: "$20.24" currency: USD in_stock: false reviews_count: 5 url: https://www.desertcart.us/products/633335175-brushless-rc-boat-motor-surpass-hobby-4074-2250kv-brushless-motor store_origin: US region: United States of America --- # 1700KV high RPM power Water cooling jacket for optimal heat dissipation 5mm precision motor shaft Brushless Rc Boat Motor, Surpass Hobby 4074 2250KV Brushless Motor with Cooling Set Design for RC Boat (2250kv) **Brand:** usa **Price:** $20.24 **Availability:** ❌ Out of Stock ## Summary > 🚤 Power your RC boat with precision and cool confidence! ## 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?** $20.24 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/633335175-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 - • **Precision Engineering:** 4-pole, 12-slot design with high-purity copper windings and ABEC5 oversized bearings ensures ultra-smooth, low-noise operation. - • **Plug & Play Confidence:** Standard 5mm shaft and 4.0mm connector make installation seamless, so you can upgrade your RC boat and dominate the water instantly. - • **Built to Last & Impress:** Durable aluminum alloy shell and corrosion-resistant materials combine ruggedness with sleek aesthetics for long-lasting reliability. - • **Unmatched Power & Speed:** 1700KV brushless motor delivers blistering acceleration and top-tier performance for 650-800mm RC boats. - • **Stay Cool Under Pressure:** Advanced water cooling jacket and CNC machined aluminum heatsink keep your motor running at peak efficiency without overheating. ## Overview The Surpass Hobby 4074 1700KV Brushless Motor is a high-performance, water-cooled motor designed specifically for 650-800mm RC boats. Featuring a 4-pole, 12-slot design with high-purity copper windings and oversized ABEC5 bearings, it delivers over 95% efficiency and smooth, low-noise operation. Its CNC machined 6061 T6 aluminum water cooling jacket ensures superior heat dissipation, extending motor life and maintaining peak power output. With a durable aluminum alloy shell and a precision 5mm shaft, this motor offers reliable, corrosion-resistant performance for serious RC boat enthusiasts. ## 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: Good motor - I dropped the 2250kV 4074 as an upgrade in my sonicwake v2. Hits mid 60s mph now with this motor and a 4519 prop on 6S. Review: Good delivery - I have received the delivery on time. Good product. Thanks. ## 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 | | Brand | Surpass Hobby USA | | Brand Name | Surpass Hobby USA | | Customer Reviews | 4.3 out of 5 stars 33 Reviews | | Horsepower | 3.81 Horsepower | | Included Components | no | | Item Dimensions W x H | 38W x 38H Millimeters | | Item Weight | 0.44 Kilograms | | Manufacturer | SHENZHEN SURPASS TECH CO.,LTD | | Material | Aluminum | | Material Type | Aluminum | | Model Number | 1 | | Number of Items | 1 | | Part Number | 1 | | Product Dimensions | 38W x 38H Millimeters | | Speed | 2250 RPM | | UPC | 768486239887 | | Voltage | 12 Volts | ## Product Details - **Brand:** Surpass Hobby USA - **Horsepower:** 1 Horsepower - **Material:** Aluminum - **Speed:** 1700 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/61a700FluJL.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/61Hx29aYTyL.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/71Un5xy5QKL.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/71pU5v0GXGL.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/61bPkairWdL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good motor *by D***T on 13 April 2024* I dropped the 2250kV 4074 as an upgrade in my sonicwake v2. Hits mid 60s mph now with this motor and a 4519 prop on 6S. ### ⭐⭐⭐⭐⭐ Good delivery *by V***E on 18 March 2023* I have received the delivery on time. Good product. Thanks. ### ⭐⭐⭐⭐⭐ Amazing power *by K***N on 13 August 2025* Great motor with cooling combo. Dimensions were right on. Power is amazing in my 3D printed jet boat --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/633335175-brushless-rc-boat-motor-surpass-hobby-4074-2250kv-brushless-motor](https://www.desertcart.us/products/633335175-brushless-rc-boat-motor-surpass-hobby-4074-2250kv-brushless-motor) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-20*