--- product_id: 99045274 title: "4Pcs DS3218 20KG Waterproof Digital Servo with 25T Servo Arm,High Torque Full Metal Gear RC Steering Servo for 1:8 1:10 1:12 RC Toys Model TRX 4 Crawler Truck Mechanical Arm (Control Angel 180°)" brand: "rcmall" price: "386.31 DT" currency: TND in_stock: true category: "R Cmall" url: https://www.desertcart.tn/products/99045274-4pcs-ds3218-20kg-waterproof-digital-servo-with-25t-servo-arm store_origin: TN region: Tunisia --- # Waterproof drip-proof design Full metal CNC gears 20KG max torque 4Pcs DS3218 20KG Waterproof Digital Servo with 25T Servo Arm,High Torque Full Metal Gear RC Steering Servo for 1:8 1:10 1:12 RC Toys Model TRX 4 Crawler Truck Mechanical Arm (Control Angel 180°) **Brand:** rcmall **Price:** 386.31 DT **Availability:** ✅ In Stock ## Summary > ⚡ Power your RC with precision torque and waterproof resilience! ## Quick Answers - **What is this?** 4Pcs DS3218 20KG Waterproof Digital Servo with 25T Servo Arm,High Torque Full Metal Gear RC Steering Servo for 1:8 1:10 1:12 RC Toys Model TRX 4 Crawler Truck Mechanical Arm (Control Angel 180°) by rcmall - **How much does it cost?** 386.31 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/99045274-4pcs-ds3218-20kg-waterproof-digital-servo-with-25t-servo-arm) ## 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 Engineering:** CNC-machined aluminum shell and hard-anodized metal gears ensure durability and smooth operation. - • **Unmatched Torque Power:** Delivers a commanding 21.5 kg/cm torque for precision control under pressure. - • **Versatile Compatibility:** Perfectly fits 1:8, 1:10, and 1:12 scale RC crawlers, cars, boats, and mechanical arms. - • **Complete Control Package:** Includes 4 servos, 25T servo arms, and accessories—everything you need to upgrade your RC setup. - • **Built to Brave the Elements:** Waterproof rubber seals protect your servo from splashes and dust—ready for rugged adventures. ## Overview The DS3218 20KG Waterproof Digital Servo features high-torque 21.5 kg/cm output, full metal CNC gears, and a waterproof design with rubber seals. Compatible with 1:8 to 1:12 scale RC models, it offers precise 180° control and comes as a 4-piece set with servo arms and accessories, engineered for durability and high performance in demanding RC applications. ## Description Buy 4Pcs DS3218 20KG Waterproof Digital Servo with 25T Servo Arm,High Torque Full Metal Gear RC Steering Servo for 1:8 1:10 1:12 RC Toys Model TRX 4 Crawler Truck Mechanical Arm (Control Angel 180°): Servos - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - [ Widely Used ] : Suitable for 1/8, 1/10, 1/12 Scale Crawler Truck, RC Car,robot,Boat,mechanical arms, climbing cars and remote control models. - [ High performance ] : High performance digital standard servo with high-precision metal gears with hard anodizing. Dual ball bearings and CNC aluminium middle Shell. - [ DS3218MG 20KG Digital Servo ] : Maximum torque is up to 21.5 kg/cm (298.5 oz/in)@6.8V ; Dead band is 3μs. Pulse is 500us-2500us. - [ Waterproof ] : It is drip-proof servo with waterproof rubber seals screw. But cannot be submerged in water. - [Package List ]: 4 X DS3218MG Digital Servo (180°), 4 X 25T Servo Arm. 4 X Accessories. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07MH1QRK5 | | Audio Recording | No | | Best Sellers Rank | #614,675 in Toys & Games ( See Top 100 in Toys & Games ) #1,460 in RC Servos | | Brand | RCmall | | Color | Red | | Compatible Devices | Camcorder, Camera | | Customer Reviews | 4.5 4.5 out of 5 stars (64) | | Item Dimensions D x W x H | 0.78"D x 1.57"W x 1.57"H | | Item Weight | 57 Grams | | Manufacturer | RCmall | | Manufacturer Part Number | FZ3138X4 | | Maximum Weight Recommendation | 21.5 Kilograms | | Model Name | DS3218 | | Model Number | FZ3138X4 | | UPC | 747356629089 | | Unit Count | 8.0 Count | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** RCmall - **Color:** Red - **Compatible Devices:** Camcorder, Camera - **Item Weight:** 57 Grams - **Number of Items:** 4 - **Number of Packs:** 4 - **Product Dimensions:** 0.78"D x 1.57"W x 1.57"H - **UPC:** 747356629089 - **Unit Count:** 8.0 Count ## Images ![4Pcs DS3218 20KG Waterproof Digital Servo with 25T Servo Arm,High Torque Full Metal Gear RC Steering Servo for 1:8 1:10 1:12 RC Toys Model TRX 4 Crawler Truck Mechanical Arm (Control Angel 180°) - Image 1](https://m.media-amazon.com/images/I/61PjGSbN1uL.jpg) ![4Pcs DS3218 20KG Waterproof Digital Servo with 25T Servo Arm,High Torque Full Metal Gear RC Steering Servo for 1:8 1:10 1:12 RC Toys Model TRX 4 Crawler Truck Mechanical Arm (Control Angel 180°) - Image 2](https://m.media-amazon.com/images/I/61T9d7RxkwL.jpg) ![4Pcs DS3218 20KG Waterproof Digital Servo with 25T Servo Arm,High Torque Full Metal Gear RC Steering Servo for 1:8 1:10 1:12 RC Toys Model TRX 4 Crawler Truck Mechanical Arm (Control Angel 180°) - Image 3](https://m.media-amazon.com/images/I/71C31-0r9qL.jpg) ![4Pcs DS3218 20KG Waterproof Digital Servo with 25T Servo Arm,High Torque Full Metal Gear RC Steering Servo for 1:8 1:10 1:12 RC Toys Model TRX 4 Crawler Truck Mechanical Arm (Control Angel 180°) - Image 4](https://m.media-amazon.com/images/I/81skFpTdR5L.jpg) ![4Pcs DS3218 20KG Waterproof Digital Servo with 25T Servo Arm,High Torque Full Metal Gear RC Steering Servo for 1:8 1:10 1:12 RC Toys Model TRX 4 Crawler Truck Mechanical Arm (Control Angel 180°) - Image 5](https://m.media-amazon.com/images/I/71nynMokrdL.jpg) --- ## 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.tn/products/99045274-4pcs-ds3218-20kg-waterproof-digital-servo-with-25t-servo-arm](https://www.desertcart.tn/products/99045274-4pcs-ds3218-20kg-waterproof-digital-servo-with-25t-servo-arm) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-17*