{"product_id":"udi-rc-1-12-sierra-4wd-short-course-truck-b-less-rtr-blue","title":"UDI RC 1\/12 SIERRA 4WD SHORT COURSE TRUCK B\/LESS RTR - BLUE","description":"\u003ch2 class=\"hidden-xs\"\u003e\u003cstrong\u003eUDI RC 1\/12 SIERRA 4WD SHORT COURSE TRUCK B\/LESS RTR - BLUE\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.cmldistribution.co.uk\/product\/UDI-UD1203B\/images\/image1.jpg\" alt=\"UDI-UD1203B\" width=\"740\" height=\"987\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe UDIRC UD1203 Sierra is a high-performance 1\/12 scale four-wheel-drive brushless short course truck engineered for enthusiasts who demand durability, serviceability, and speed in a compact platform. Combining race-inspired styling with a fully sealed drivetrain, all-metal transmission components, and quick-access maintenance features, the UD1203 delivers an exceptional driving experience on dirt, gravel, pavement and mixed terrain.\u003c\/p\u003e\n\u003cp\u003eAt the heart of the Sierra is a powerful 2845-size 3800KV brushless motor paired with a programmable 45A brushless ESC capable of supporting both 2S and 3S LiPo batteries. This combination provides strong acceleration, impressive top-end speed and reliable power delivery while maintaining excellent efficiency and control.\u003c\/p\u003e\n\u003cp\u003eThe UD1203 is designed with long-term durability in mind. Its transmission utilizes steel universal driveshafts, a steel centre shaft, and metal differential and transmission gears to withstand high-power brushless performance. A fully enclosed gearbox helps protect critical drivetrain components from dirt, dust, sand and debris, extending component life while reducing maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eOne of the Sierra's standout innovations is its quick-release service design. The drivetrain cover, centre driveshaft assembly, differential units and body shell can all be removed rapidly without extensive disassembly. This significantly reduces maintenance time and allows racers and hobbyists to perform upgrades, repairs and tuning adjustments in seconds rather than hours.\u003c\/p\u003e\n\u003cp\u003eHandling performance is enhanced through adjustable aluminium oil-filled shocks, metal steering linkages, dual-ball steering knuckles and a digital metal-gear servo. These premium components provide precise steering response, consistent damping and tuneable suspension characteristics for a wide variety of driving conditions.\u003c\/p\u003e\n\u003cp\u003eCompleting the package is a detailed scale-inspired body featuring an integrated roll cage structure, realistic cockpit details, flexible TPU fenders, and front LED headlights. The included full-function Hall sensor transmitter offers smooth and precise throttle and steering control, adjustable steering parameters, built-in gyro control, and selectable speed modes for drivers of all skill levels.\u003c\/p\u003e\n\u003cp\u003eThe result is a rugged, race-ready short course truck that combines premium construction, modern electronics and user-friendly maintenance features in an affordable and highly capable platform.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1\/12 scale 4WD brushless short course truck.\u003c\/li\u003e\n\u003cli\u003e2845-size 3800KV brushless motor.\u003c\/li\u003e\n\u003cli\u003e45A programmable brushless ESC.\u003c\/li\u003e\n\u003cli\u003eSupports 2S and 3S LiPo batteries.\u003c\/li\u003e\n\u003cli\u003eUp to 48,000 RPM motor speed.\u003c\/li\u003e\n\u003cli\u003eXT60 battery connector.\u003c\/li\u003e\n\u003cli\u003eForward, brake, and reverse operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDrivetrain \u0026amp; Durability.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFully sealed transmission system.\u003c\/li\u003e\n\u003cli\u003eSteel universal-joint driveshafts.\u003c\/li\u003e\n\u003cli\u003eSteel centre driveshaft.\u003c\/li\u003e\n\u003cli\u003eMetal transmission gears throughout drivetrain.\u003c\/li\u003e\n\u003cli\u003eMetal pinion gear (15T, 0.6M).\u003c\/li\u003e\n\u003cli\u003eMetal spur gear (50T, 0.6M).\u003c\/li\u003e\n\u003cli\u003eMetal differential ring gear (30T, 0.95M).\u003c\/li\u003e\n\u003cli\u003eMetal differential bevel gear (10T, 0.95M).\u003c\/li\u003e\n\u003cli\u003eMetal differential sun gears (16T, 0.8M).\u003c\/li\u003e\n\u003cli\u003eMetal differential planet gears (8T, 0.8M).\u003c\/li\u003e\n\u003cli\u003eIndependent 4WD drivetrain.\u003c\/li\u003e\n\u003cli\u003eDebris-resistant gearbox design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eServiceability.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuick-release centre drivetrain access.\u003c\/li\u003e\n\u003cli\u003eQuick-service differential design.\u003c\/li\u003e\n\u003cli\u003eDifferential removal in under 30 seconds.\u003c\/li\u003e\n\u003cli\u003eCentre driveshaft replacement in under 30 seconds.\u003c\/li\u003e\n\u003cli\u003eQuick-release body mounting system.\u003c\/li\u003e\n\u003cli\u003eEasy-access maintenance architecture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSuspension \u0026amp; Handling.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable aluminium oil-filled shocks.\u003c\/li\u003e\n\u003cli\u003eHydraulic shock absorbers.\u003c\/li\u003e\n\u003cli\u003eAdjustable spring preload.\u003c\/li\u003e\n\u003cli\u003eAdjustable ride height.\u003c\/li\u003e\n\u003cli\u003eAdjustable metal steering linkage.\u003c\/li\u003e\n\u003cli\u003eDual-ball steering knuckle design.\u003c\/li\u003e\n\u003cli\u003eOptimized steering geometry.\u003c\/li\u003e\n\u003cli\u003eImproved suspension articulation and steering angle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectronics.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e17g metal-gear digital servo.\u003c\/li\u003e\n\u003cli\u003eServo torque up to 4.5 kg-cm.\u003c\/li\u003e\n\u003cli\u003eHall sensor proportional transmitter.\u003c\/li\u003e\n\u003cli\u003eBuilt-in gyro\/ESP adjustment.\u003c\/li\u003e\n\u003cli\u003eSteering trim adjustment.\u003c\/li\u003e\n\u003cli\u003eSteering dual-rate adjustment.\u003c\/li\u003e\n\u003cli\u003eThrottle and steering reverse functions.\u003c\/li\u003e\n\u003cli\u003eLow \/ Medium \/ High speed modes.\u003c\/li\u003e\n\u003cli\u003eSmooth, precise steering response.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eScale Details.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDetailed Sierra short course truck body.\u003c\/li\u003e\n\u003cli\u003eThrough-type roll cage structure.\u003c\/li\u003e\n\u003cli\u003eScale cockpit interior.\u003c\/li\u003e\n\u003cli\u003eDriver figures included.\u003c\/li\u003e\n\u003cli\u003eSide protective window nets.\u003c\/li\u003e\n\u003cli\u003eFlexible TPU front and rear fenders.\u003c\/li\u003e\n\u003cli\u003eFront LED headlights.\u003c\/li\u003e\n\u003cli\u003eRace-inspired graphics package.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eScale:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e1\/12\u003cbr\u003e\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4WD\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e375 mm\u003cbr\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e198 mm\u003cbr\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e139 mm\u003cbr\u003e\u003cstrong\u003eWheelbase:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e228 mm\u003cbr\u003e\u003cstrong\u003eTrack Width:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e168 mm\u003cbr\u003e\u003cstrong\u003eGround Clearance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e30 mm\u003cbr\u003e\u003cstrong\u003eTyre Diameter:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e73.3 mm\u003cbr\u003e\u003cstrong\u003eTyre Width:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e30.5 mm\u003cbr\u003e\u003cstrong\u003eWheel Hex:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e12 mm\u003cbr\u003e\u003cstrong\u003eBattery:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncluded (XT60)\u003cbr\u003e\u003cstrong\u003eBattery Tray Size:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e115 × 38 × 25 mm\u003cbr\u003e\u003cstrong\u003eCharger:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUSB Charger Included\u003cbr\u003e\u003cstrong\u003eMotor:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2845 3800KV Brushless\u003cbr\u003e\u003cstrong\u003eESC:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e45A Brushless (2S–3S LiPo)\u003cbr\u003e\u003cstrong\u003eConnector:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eXT60\u003cbr\u003e\u003cstrong\u003eServo:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e17g Metal Gear Digital Servo\u003cbr\u003e\u003cstrong\u003eShock Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAdjustable Aluminium Hydraulic\u003cbr\u003e\u003cstrong\u003eBody Material:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePolycarbonate (PC)\u003cbr\u003e\u003cstrong\u003eTransmitter:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUA42-E Hall Sensor Radio\u003c\/p\u003e","brand":"1066RC","offers":[{"title":"Default Title","offer_id":54756425433429,"sku":"udi-ud1203b","price":169.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8926\/5493\/files\/UDI-UD1203B-gallery1.jpg?v=1787757368","url":"https:\/\/1066rc.com\/products\/udi-rc-1-12-sierra-4wd-short-course-truck-b-less-rtr-blue","provider":"1066RC","version":"1.0","type":"link"}