{"product_id":"pololu-4784-4785-micro-metal-gearmotor-hp-6v-15-1-gear-ratio","title":"Pololu 4784 \/ 4785 Micro Metal Gearmotor HP 6V - 15:1 gear ratio","description":"\u003cmeta name=\"description\" content=\"Buy Pololu 4784 \/ 4785 Micro Metal Gearmotor HP 6V - 15:1 gear ratio 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 4784 \/ 4785 Micro Metal Gearmotor HP 6V - 15:1 gear ratio\u003c\/h1\u003e\n\n\u003cp\u003eThe Pololu 4784 \/ 4785 Micro Metal Gearmotor HP 6V with 15:1 gear ratio is a compact, high-performance DC motor designed for precision robotics, automation systems, and embedded control applications. Roboticists, embedded systems engineers, and automation technicians rely on this motor for projects requiring reliable torque delivery with controlled speed reduction. This gearmotor solves the challenge of balancing motor speed and torque in space-constrained applications where standard motors cannot fit or deliver adequate mechanical advantage.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Pololu 4784 \/ 4785 Micro Metal Gearmotor HP represents the high-power variant of Pololu's micro metal gearmotor series, engineered for applications demanding superior torque output without sacrificing compact form factor. The motor operates on 6V DC nominal voltage and incorporates a precision 15:1 gear reduction system that converts high-speed motor rotation into controlled, high-torque output. The integrated planetary gearbox design ensures minimal backlash and smooth power transmission, making it ideal for servo-like applications where positional accuracy and repeatable performance matter. The HP designation indicates enhanced motor winding for increased current capacity and power delivery compared to standard variants.\u003c\/p\u003e\n\n\u003cp\u003eThis gearmotor features a brushed DC motor architecture with permanent magnet field, delivering linear torque-speed characteristics across the operating voltage range. The 15:1 gear ratio provides an optimal balance between speed reduction and torque multiplication, typically producing output speeds around 200-300 RPM at 6V with substantial holding torque. The compact cylindrical housing measures approximately 10mm in diameter, making it suitable for integration into tight mechanical assemblies such as robot arms, mobile platforms, and precision positioning mechanisms. Pololu's quality control ensures consistent performance across units, with low friction losses in the gearbox contributing to overall system efficiency.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\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\u003eMicro Metal Gearmotor with Integrated Planetary Gearbox\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePololu Robotics and Electronics\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\u003eNominal Operating Voltage\u003c\/td\u003e\n\u003ctd\u003e6V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear Ratio\u003c\/td\u003e\n\u003ctd\u003e15:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Speed at 6V\u003c\/td\u003e\n\u003ctd\u003eApproximately 200-300 RPM (no-load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Torque\u003c\/td\u003e\n\u003ctd\u003eApproximately 1.5-2.5 kg-cm at rated voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Diameter\u003c\/td\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft Type\u003c\/td\u003e\n\u003ctd\u003e2mm diameter output shaft with flat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-power brushed DC motor with enhanced winding for superior torque delivery and current capacity compared to standard micro metal gearmotors\u003c\/li\u003e\n\u003cli\u003ePrecision planetary gearbox with 15:1 reduction ratio providing low backlash and smooth, consistent torque transmission for repeatable positioning\u003c\/li\u003e\n\u003cli\u003eCompact 10mm diameter cylindrical housing enabling integration into space-constrained robotic platforms, mechanical arms, and automation assemblies\u003c\/li\u003e\n\u003cli\u003eLinear torque-speed characteristics across operating voltage range allowing predictable performance scaling from 3V to 6V for adaptive control applications\u003c\/li\u003e\n\u003cli\u003ePermanent magnet field design with brushed commutation delivering immediate response to control signals without startup delay\u003c\/li\u003e\n\u003cli\u003e2mm diameter output shaft with flat facilitating easy mechanical coupling to gears, wheels, and drive mechanisms through standard adapters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMobile robotics platforms including line-following robots, obstacle-avoidance bots, and autonomous vehicles requiring compact wheel drive motors with controlled acceleration\u003c\/li\u003e\n\u003cli\u003eRobotic arm and manipulator systems where precise joint positioning and load-holding capability demand high torque in miniature form factors\u003c\/li\u003e\n\u003cli\u003eAutomated door locks, sliding mechanisms, and access control systems utilizing the motor's reliable torque for mechanical actuation at 6V logic-level control\u003c\/li\u003e\n\u003cli\u003eEducational robotics projects and competition platforms such as FIRST Robotics and university-level mechatronics courses requiring proven, repeatable motor performance\u003c\/li\u003e\n\u003cli\u003eCamera pan-tilt systems and gimbal stabilization mechanisms where smooth, controllable speed reduction enables fine-grain directional adjustment\u003c\/li\u003e\n\u003cli\u003eConveyor systems and material handling automation in laboratory and industrial settings requiring compact drive motors with consistent torque characteristics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eTo integrate the Pololu 4784 \/ 4785 Micro Metal Gearmotor into your project, first verify your power supply delivers stable 6V DC with sufficient current capacity (typically 0.5-2A depending on load). Connect the motor leads to your control circuit through a motor driver module such as L298N, DRV8833, or similar H-bridge controller to enable bidirectional rotation and PWM speed control. The motor operates immediately upon voltage application, so always ensure proper motor driver configuration before power-up to prevent unintended rotation. Mount the motor securely using the cylindrical housing, utilizing the 2mm output shaft diameter for coupling to your mechanical load through gears, wheels, or pulleys as your application requires.\u003c\/p\u003e\n\n\u003cp\u003eFor optimal performance, implement PWM (Pulse Width Modulation) control at frequencies between 5-20 kHz to avoid audible motor noise while maintaining smooth speed variation. The 15:1 gear ratio provides inherent holding torque when power is removed, making it suitable for load-holding applications without additional braking. Monitor motor current draw during operation, as stalled or heavily loaded conditions can draw 2+ amperes, potentially exceeding microcontroller pin ratings. For extended operation or high-duty-cycle applications, ensure adequate heat dissipation around the motor housing and consider implementing current limiting in your motor driver to protect both the motor and control electronics from thermal damage.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between Pololu 4784 and 4785 micro metal gearmotors?\u003c\/summary\u003e\n\u003cp\u003eThe Pololu 4784 and 4785 are mechanically identical micro metal gearmotors with 15:1 gear ratio and 6V nominal rating. The primary difference lies in the motor lead configuration: the 4784 features solder tabs for direct PCB integration, while the 4785 includes pre-attached wire leads for breadboard and connector-based applications. Both deliver identical performance characteristics, so selection depends on your mechanical integration method. For custom robotics projects, the 4785 with wire leads offers faster prototyping capability.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I operate the Pololu 4784 \/ 4785 at voltages other than 6V?\u003c\/summary\u003e\n\u003cp\u003eYes, the motor exhibits linear performance scaling across the 3V to 6V range, allowing operation at intermediate voltages for speed reduction without gear ratio changes. Operating at 3V produces approximately 100-150 RPM output with proportionally reduced torque, suitable for slower-speed applications. However, avoid exceeding 6V nominal rating as this causes excessive current draw, motor heating, and potential bearing damage. For applications requiring speeds above 6V capability, consider lower gear ratio variants such as the 10:1 or 6:1 models from Pololu's micro metal gearmotor series.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat motor driver circuits are compatible with the Pololu 4784 \/ 4785?\u003c\/summary\u003e\n\u003cp\u003eThe Pololu 4784 \/ 4785 operates with any standard H-bridge motor driver capable of handling 6V DC and 2A continuous current, including the L298N dual motor driver, DRV8833 dual motor driver, and integrated motor control modules. For microcontroller integration, ensure your motor driver accepts logic-level PWM signals (3.3V or 5V) from your microcontroller and provides adequate current capacity. Popular platforms like Arduino, Raspberry Pi, and STM32 boards interface seamlessly with these drivers using standard PWM libraries. Always include protective diodes across motor terminals to suppress back-EMF spikes during direction switching and deceleration.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow much torque does the Pololu 4784 \/ 4785 produce at rated voltage?\u003c\/summary\u003e\n\u003cp\u003eAt 6V nominal voltage with no external load, the motor produces approximately 1.5-2.5 kg-cm (15-25 mN-m) of output torque, depending on motor manufacturing tolerances and bearing friction. Stalled torque (maximum holding force with motor locked) reaches approximately 3-4 kg-cm. For precise torque requirements in your application, implement load testing or use inline torque sensors to verify performance. Note that continuous operation at maximum torque generates significant heat and current draw, potentially exceeding 2A, so implement current limiting and thermal management for sustained high-torque applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the output shaft diameter and how do I couple mechanical loads?\u003c\/summary\u003e\n\u003cp\u003eThe Pololu 4784 \/ 4785 features a 2mm diameter output shaft with a flat edge for positive drive coupling. Standard mechanical couplings include 2mm bore gears, pulleys, and wheels available from robotics suppliers. For custom applications, use flexible shaft couplers or 3D-printed adapter hubs with set screws engaging the shaft flat. Ensure all mechanical loads mount concentrically on the shaft to prevent bearing side-loads that cause premature wear. For applications requiring higher torque transmission, consider dual-motor configurations with synchronized control.\u003c\/p\u003e\n\u003c\/details\u003e\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\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\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\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\n\u003ch2\u003eBuy Pololu 4784 \/ 4785 Micro Metal Gearmotor HP 6V - 15:1 gear ratio Online in India\u003c\/h2\u003e\n\u003c\/h2\u003e\u003cp\u003ePurchase the \u003cstrong\u003ePololu 4784 \/ 4785 Micro Metal Gearmotor HP 6V - 15:1 gear ratio\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.\u003c\/p\u003e\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":48743641448705,"sku":"TTD-8304","price":1901.75,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/735314af611224f9ee9e3e1666afd87b.jpg?v=1778060836","url":"https:\/\/techdepot.in\/products\/pololu-4784-4785-micro-metal-gearmotor-hp-6v-15-1-gear-ratio","provider":"Tech Depot India","version":"1.0","type":"link"}