{"product_id":"ogunke-ogrc-550-21t-brushed-motor-for-trx4-trx6-and-1-10-rc-off-road","title":"OGUNKE OGRC 550 21T Brushed Motor for TRX4\/TRX6 and 1\/10 RC Off-Road","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe OGUNKE OGRC 550 21T Brushed Motor is built for robust performance across popular TRX4\/TRX6, Axial SCX10, and RC4WD D90 platforms. With a 21T 550 format and a 30% longer armature than standard 540 size motors, this unit emphasizes torque and reliability for demanding off-road runs. It supports 6–8.4V input, making it compatible with both LiPo and NiMH packs while noting that some setups are not compatible with 3S LiPo batteries.\u003c\/p\u003e\u003ch3\u003eWhat makes it stand out\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e21T 550 design delivers stronger torque with a longer armature, ideal for climbing steep grades and confident acceleration.\u003c\/li\u003e\n\u003cli\u003e3.175 mm output shaft and a compact 36 mm diameter form factor fit a wide range of chassis configurations.\u003c\/li\u003e\n\u003cli\u003eInput voltage range 6–8.4V supports both LiPo and NiMH packs, with a note on 3S LiPo compatibility for certain builds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eHigh-purity copper windings maximize energy conversion, delivering efficient power delivery and smoother drive performance. The motor is engineered for reliable operation and consistent RPM, helping riders push their rigs beyond ordinary thresholds without sacrificing control.\u003c\/p\u003e\u003ch3\u003eCooling, durability, and heat management\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAn integrated cooling fan helps pull ambient air through the motor, maintaining cooler temperatures during extended runs and enabling potentially faster speeds.\u003c\/li\u003e\n\u003cli\u003eThe chassis‑level design emphasizes long-lasting operation with minimal maintenance, so you can focus on trail lines and rock gardens rather than routine upkeep.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTechnical versatility is central to its appeal. The OGRC 550 21T is designed as a versatile upgrade for multiple popular models, including TRAXXAS TRX4 TRX6 (upgrading 3975R\/3975), Axial SCX10, and RC4WD D90 1\/10 off-road vehicles. Real-world use tends to involve steady throttle control and reliable torque across varied terrains, from rocky climbs to dust-filled straights, with the potential for improved runtime and performance consistency compared with factory configurations.\u003c\/p\u003e\u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSize: 550; Turns: 21T; Watts: 91W; Max voltage: 6–8.4V; Max Amps: 48A; Resistance: 0.0043 Ω; Max RPM: 12900\u003c\/li\u003e\n\u003cli\u003eWeight: 231 g; Shaft diameter: 3.175 mm; Length: 55 mm; Diameter: 36 mm\u003c\/li\u003e\n\u003cli\u003eIncluded: 1 × RC 550 motor; Note: not compatible with 3S LiPo in some configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What vehicles is the OGUNKE OGRC 550 21T Brushed Motor compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with TRAXXAS TRX4\/TRX6, Axial SCX10, RC4WD D90, and 1\/10 scale off-road cars; operates on 6-8.4V; not for 3S LiPo.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the notable performance features?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 21T 550 size delivers strong torque; integrated cooling fan reduces heat; high-purity copper windings boost efficiency; designed for durability and smooth operation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OGUNKE","offers":[{"title":"Default Title","offer_id":55126387294376,"sku":"B09SZ2BJ18","price":49.31,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/2990\/9672\/files\/ogunke-ogrc-550-21t-front-view.jpg?v=1767816178","url":"https:\/\/toygame.ca\/products\/ogunke-ogrc-550-21t-brushed-motor-for-trx4-trx6-and-1-10-rc-off-road","provider":"Toygame Canada | Playtime Starts Here ","version":"1.0","type":"link"}