--- product_id: 521702433 title: "RDS3218 20KG Dual Shaft U Mount RC Digital Servo - Waterproof Robot Arm Servo - High Torque Full Metal Gear Servo with U Mounting Bracket for DIY Baja Car 1/8 1/10 Scale Crawler (270 Degree" brand: "rcmall" price: "VT20979" currency: VUV in_stock: true reviews_count: 3 category: "R Cmall" url: https://www.desertcart.vu/products/521702433-rds3218-20kg-dual-shaft-u-mount-rc-digital-servo-waterproof store_origin: VU region: Vanuatu --- # Waterproof for all-weather use 270° dual shaft rotation 20KG high torque power RDS3218 20KG Dual Shaft U Mount RC Digital Servo - Waterproof Robot Arm Servo - High Torque Full Metal Gear Servo with U Mounting Bracket for DIY Baja Car 1/8 1/10 Scale Crawler (270 Degree **Brand:** rcmall **Price:** VT20979 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your RC game with torque and precision that commands attention! ## Quick Answers - **What is this?** RDS3218 20KG Dual Shaft U Mount RC Digital Servo - Waterproof Robot Arm Servo - High Torque Full Metal Gear Servo with U Mounting Bracket for DIY Baja Car 1/8 1/10 Scale Crawler (270 Degree by rcmall - **How much does it cost?** VT20979 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/521702433-rds3218-20kg-dual-shaft-u-mount-rc-digital-servo-waterproof) ## Best For - rcmall enthusiasts ## Why This Product - Trusted rcmall brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Control:** Advanced linearity and low noise for smooth, accurate movements every time. - • **All-Weather Durability:** Waterproof design ensures reliable operation rain or shine—never miss a beat. - • **Unmatched Torque Power:** 20KG metal gear servo delivers powerhouse performance for your toughest RC builds. - • **Multi-Scale Compatibility:** Perfectly engineered for 1/8, 1/10, and 1/12 scale crawlers, robots, and mechanical arms. - • **Versatile U-Mount Brackets:** Dual U-shaped brackets offer flexible mounting options to fuel your creativity. ## Overview The RDS3218 is a 20KG high torque, dual shaft digital servo featuring full metal gears and a 270° rotation range. Waterproof and engineered with precision potentiometers, it offers stable, low-noise operation ideal for 1/8 to 1/12 scale RC crawlers, robots, and mechanical arms. Included U-mount brackets provide versatile installation options, making it a must-have upgrade for serious DIY RC enthusiasts. ## Description RDS3218 20KG Dual Shaft U Mount RC Digital Servo - Waterproof Robot Arm Servo - High Torque Full Metal Gear Servo with U Mounting Bracket for DIY Baja Car 1/8 1/10 Scale Crawler ( 270 Degree ） Review: This is my RC retriever boat, which comes in very handy Review: Torque to spare! Robust, and easy to control. ## Features - RDS3218 20KG dual shaft full metal gear RC digital servo 270 Degree. - Comes with U shape brackets. It can be connected in many ways. Free to use your imagination . - Advanced linearity and accuracy with precision potentiometers,stable,low noise,waterproof. - Perfect for 1/8, 1/10, 1/12 scale crawler truck, robot,boat,mechanical arms, climbing cars and remote control models. - Package List : 1 x RDS3218 Digital Servo ; 1 X Long U Shape Bracket ; 1 X Short U Shape Bracket ; 1 X Screws Set ## Technical Specifications | Specification | Value | |---------------|-------| | Product Dimensions | 6.1 x 2.03 x 4.06 cm; 95 g | | Manufacturer recommended age | 3 years and up | | Item model number | RDS3218MG | | Assembly Required | Yes | | Batteries Required? | No | | Material Type(s) | Metal | | ASIN | B0BP25DH7Z | ## Images ![RDS3218 20KG Dual Shaft U Mount RC Digital Servo - Waterproof Robot Arm Servo - High Torque Full Metal Gear Servo with U Mounting Bracket for DIY Baja Car 1/8 1/10 Scale Crawler (270 Degree - Image 1](https://m.media-amazon.com/images/I/511Chj4qI3L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ This is my RC retriever boat, which comes in very handy *by M***N on 1 April 2025* ### ⭐⭐⭐⭐⭐ Torque to spare! Robust, and easy to control. *by J***T on 14 July 2024* ### ⭐⭐⭐ it is not a 270 Degree servo in the purest meaning. *by R***Z on 5 November 2024* ## Frequently Bought Together - RDS3218 20KG Dual Shaft U Mount RC Digital Servo - Waterproof Robot Arm Servo - High Torque Full Metal Gear Servo with U Mounting Bracket for DIY Baja Car 1/8 1/10 Scale Crawler (270 Degree - FLASH HOBBY Brushless Motor D3548 1100KV Outrunner Motor for Mini Multicopters RC Plane Helicopter Fixed-Wing Aircraft - Master Airscrew Performance 12x4.5 Multi-Rotor Series Propellers - Black, 2 pcs --- ## 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.vu/products/521702433-rds3218-20kg-dual-shaft-u-mount-rc-digital-servo-waterproof](https://www.desertcart.vu/products/521702433-rds3218-20kg-dual-shaft-u-mount-rc-digital-servo-waterproof) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-06-04*