{"product_id":"pololu-2196-tamiya-70203-low-current-motor-gearbox-3-speed","title":"Pololu 2196 Tamiya 70203 Low-Current Motor Gearbox (3-Speed)","description":"\u003cmeta name=\"description\" content=\"Buy Pololu 2196 Tamiya 70203 Low-Current Motor Gearbox (3-Speed) online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003ePololu 2196 Tamiya 70203 Low-Current Motor Gearbox (3-Speed)\u003c\/h1\u003e\n\n\u003cp\u003eThe Pololu 2196 Tamiya 70203 is a precision 3-speed motor gearbox assembly designed for low-current robotic applications, offering selectable gear ratios of 58:1, 203:1, and 385:1 to optimize torque and speed characteristics for diverse mechanical projects. Roboticists, hobbyist engineers, and educational institutions utilize this gearbox extensively in autonomous vehicle construction, wheeled robot platforms, and mechanical prototype development where compact form factor and efficient power transmission are critical. This product solves the fundamental challenge of matching motor output characteristics to specific load requirements without requiring multiple motor purchases or complex external transmission systems.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe Pololu 2196 Tamiya 70203 Low-Current Motor Gearbox represents a modular approach to mechanical power transmission, integrating helical gears within a compact plastic housing that maintains dimensional compatibility with standard Tamiya motor platforms. The gearbox operates on the principle of progressive gear reduction, where input shaft rotation is progressively reduced across multiple gear stages to increase output torque while decreasing rotational speed. The three selectable speed configurations allow users to choose between high-speed, low-torque output for fast-moving applications or low-speed, high-torque output for load-bearing scenarios, making it exceptionally versatile for prototyping environments where specifications frequently change during development cycles.\u003c\/p\u003e\n\n\u003cp\u003eThe mechanical design incorporates precision-molded polymer gears that minimize backlash while maintaining lightweight characteristics essential for battery-powered mobile robotics. The gearbox shaft alignment is optimized to reduce friction losses across the transmission, ensuring efficient power delivery from the motor to the driven mechanism. The 3-speed configuration is achieved through internal gear selection mechanisms that allow users to reconfigure the drive ratio without disassembling the core gearbox structure, significantly reducing setup time during project iterations and educational demonstrations.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e3-Speed Motor Gearbox Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePololu \/ Tamiya\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003ePololu 2196 \/ Tamiya 70203\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear Ratios Available\u003c\/td\u003e\n\u003ctd\u003e58:1, 203:1, 385:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Torque Range\u003c\/td\u003e\n\u003ctd\u003eUp to 1.5 kg-cm depending on speed setting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft Diameter\u003c\/td\u003e\n\u003ctd\u003e3mm output shaft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eHigh-strength plastic composite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBacklash\u003c\/td\u003e\n\u003ctd\u003eMinimal, precision-engineered gears\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3V to 6V DC compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eThree selectable speed ratios (58:1, 203:1, 385:1) enabling rapid reconfiguration without hardware replacement\u003c\/li\u003e\n\u003cli\u003eCompact lightweight design with precision-molded gears minimizing friction losses and maximizing power transmission efficiency\u003c\/li\u003e\n\u003cli\u003e3mm output shaft with standard Tamiya motor platform compatibility for seamless integration into existing robotics projects\u003c\/li\u003e\n\u003cli\u003eLow backlash transmission system ensuring accurate positioning and smooth mechanical operation in servo-controlled applications\u003c\/li\u003e\n\u003cli\u003eDurable polymer construction rated for continuous operation in educational and hobbyist robotic platforms\u003c\/li\u003e\n\u003cli\u003eSimple speed selection mechanism allowing users to change gear ratios without complete gearbox disassembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eMobile robot chassis propulsion where variable speed control is required for terrain adaptation and obstacle navigation\u003c\/li\u003e\n\u003cli\u003eEducational robotics competitions and STEM learning environments where students need to optimize torque-speed tradeoffs\u003c\/li\u003e\n\u003cli\u003eAutonomous line-following robots requiring precise speed control for accurate sensor feedback and motor response timing\u003c\/li\u003e\n\u003cli\u003eWheeled robot arms and manipulators where different speed ratios optimize both movement velocity and load-bearing capacity\u003c\/li\u003e\n\u003cli\u003ePrototype mechanical systems requiring rapid iteration of transmission characteristics without redesigning drive mechanisms\u003c\/li\u003e\n\u003cli\u003eLow-power battery-operated platforms where gearbox efficiency directly impacts operational runtime and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003cp\u003eInstallation of the Pololu 2196 Tamiya 70203 gearbox begins with securing the motor shaft into the gearbox input coupling, ensuring proper alignment to prevent binding or misalignment-induced vibration. The gearbox mounts directly to your robot chassis using the integrated mounting tabs, which align with standard Tamiya platform hole patterns. Before final assembly, verify that your selected gear ratio matches your application requirements by calculating expected output torque using the formula: Output Torque equals Motor Torque multiplied by the selected gear ratio. For example, a 1 kg-cm motor with the 203:1 ratio produces approximately 203 kg-cm of output torque, suitable for heavy-load applications.\u003c\/p\u003e\n\n\u003cp\u003eTo change between the three available speed ratios, locate the internal speed selector mechanism within the gearbox housing. Most configurations allow ratio changes by rotating an internal selector ring or repositioning internal gears without complete disassembly. Consult the product manual for your specific revision to identify the exact procedure. After changing ratios, rotate the output shaft by hand to verify smooth operation and confirm proper gear engagement. Connect the motor to your control circuit, ensuring voltage specifications match the gearbox motor rating (typically 3V to 6V DC). Test the gearbox under no-load conditions first to establish baseline performance before mounting it on your final application.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the three gear ratios and how do I choose the right one for my project?\u003c\/summary\u003e\n\u003cp\u003eThe 58:1 ratio provides the fastest output speed with lowest torque, ideal for high-speed applications like racing robots. The 203:1 ratio offers balanced speed and torque, suitable for general-purpose mobile robots. The 385:1 ratio delivers maximum torque with slowest speed, perfect for heavy-load applications like climbing robots or load-bearing manipulators. Choose based on your motor specifications and desired output characteristics using the formula: Output Speed equals Motor Speed divided by Gear Ratio, and Output Torque equals Motor Torque multiplied by Gear Ratio.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eIs the Pololu 2196 compatible with standard DC motors and what voltage range does it support?\u003c\/summary\u003e\n\u003cp\u003eYes, the Pololu 2196 Tamiya 70203 is designed for compatibility with standard 3V to 6V DC motors commonly used in robotics projects. The gearbox itself is voltage-agnostic as it is purely mechanical; voltage compatibility depends on your connected motor. Verify your motor specifications before purchase to ensure proper voltage matching. The gearbox can handle continuous operation within this voltage range when paired with appropriately rated motors.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow much backlash does this gearbox have and does it affect positioning accuracy?\u003c\/summary\u003e\n\u003cp\u003eThe Pololu 2196 features minimal backlash due to precision-engineered helical gears and optimized shaft alignment. Typical backlash is less than 5 degrees of input shaft rotation, which translates to less than 0.3mm of linear error on a standard wheel. For most robotics applications, this backlash is negligible. However, for precision positioning applications requiring sub-millimeter accuracy, consider implementing encoder feedback or closed-loop control systems to compensate for any mechanical play.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan I change the gear ratio after the gearbox is installed on my robot?\u003c\/summary\u003e\n\u003cp\u003eYes, the primary advantage of the Pololu 2196 is its field-selectable gear ratios. You can change ratios without removing the gearbox from your robot in most cases, though you may need to access the internal selector mechanism. Refer to your specific product revision manual for detailed instructions. Some versions require partial disassembly, while others feature external ratio selection switches. Always test the gearbox under no-load conditions after changing ratios to ensure proper gear engagement.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Tech Depot\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy Pololu 2196 Tamiya 70203 Low-Current Motor Gearbox (3-Speed) Online in India\u003c\/h2\u003e\n\n\u003cp\u003ePurchase the \u003cstrong\u003ePololu 2196 Tamiya 70203 Low-Current Motor Gearbox (3-Speed)\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003ePololu 2196 Tamiya 70203 Low-Current Motor Gearbox (3-Speed)\u003c\/strong\u003e with fast shipping and expert support.\u003c\/p\u003e\n\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48743638827265,"sku":"TTD-8257","price":1701.19,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/484794ef30542f29609f4bf1d29e1487.jpg?v=1778060785","url":"https:\/\/techdepot.in\/products\/pololu-2196-tamiya-70203-low-current-motor-gearbox-3-speed","provider":"Tech Depot India","version":"1.0","type":"link"}