{"product_id":"10070","title":"ittle Beaver OEM Bronze Transmission Gear — 1-1\/4\" Bore, 10:1 Ratio, Double Keyed (10070)","description":"\u003c!-- Google Search \u0026 AI Overview FAQ Schema (Safe to paste in PDP) --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What are the bore size and gear ratio for the Little Beaver 10070 bronze gear?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Little Beaver 10070 bronze gear features a precision 1-1\/4 inch (1.25\\\") internal bore, a standard 10:1 gear reduction ratio, and dual keyway broaching (double keyed) to handle high rotary torque.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Why is the 10070 gear double keyed?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The double-keyed configuration utilizes dual shaft drive keys to evenly distribute extreme rotational torque across the 1-1\/4\\\" main output shaft, preventing key shear and shaft galling during heavy drilling and sudden bind-ups.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Why is this Little Beaver gear made from bronze instead of hardened steel?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"It is CNC-machined from high-strength bearing bronze to mate with the steel drive pinion. In severe shock-load situations (such as striking large rocks or dense tree roots), the bronze gear acts as an engineered sacrificial component to protect the main gearbox housing and flex drive shaft from catastrophic failure.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What type of gear oil should be used when installing the 10070 bronze gear?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Always use genuine Little Beaver factory-specified transmission gear lubricant. Standard automotive EP lubricants often contain active sulfur additives that can corrode and degrade yellow bronze components.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"product-description-wrapper\" style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; font-size: 15px; line-height: 1.65; color: #2d3748;\"\u003e\n\n  \u003c!-- Primary Header \u0026 Overview --\u003e\n  \u003ch2 style=\"font-size: 22px; font-weight: 700; color: #D32F2F; margin: 0 0 14px; line-height: 1.35;\"\u003e\n    Little Beaver OEM Bronze Transmission Gear — 1-1\/4\" Bore, 10:1 Ratio, Double Keyed (Part # 10070)\n  \u003c\/h2\u003e\n\n  \u003cp style=\"margin: 0 0 14px;\"\u003e\n    The genuine \u003cstrong\u003eLittle Beaver 10070 Bronze Transmission Gear\u003c\/strong\u003e is the factory OEM replacement drive gear for Little Beaver mechanical post hole earth drills and power heads. Featuring a \u003cstrong\u003e1-1\/4\" (1.25\") bore\u003c\/strong\u003e, a \u003cstrong\u003estandard 10:1 reduction ratio\u003c\/strong\u003e, and a heavy-duty \u003cstrong\u003edouble-keyed profile\u003c\/strong\u003e, this precision component delivers direct, low-friction power transfer from your engine's flex drive shaft to the auger output assembly.\n  \u003c\/p\u003e\n\n  \u003cp style=\"margin: 0 0 24px;\"\u003e\n    Engineered from premium cast bearing bronze, the 10070 gear mates smoothly with the steel drive pinion while serving as a deliberate sacrificial wear defense. If an auger bit encounters buried boulders, thick tree roots, or hardened clay, the bronze gear absorbs severe rotational shock to prevent destructive damage to the outer transmission casing or driveshaft. Dual broached keyways spread heavy torque loads evenly across the shaft to prevent key shearing during full-throttle operation.\n  \u003c\/p\u003e\n\n  \u003c!-- Applications Section --\u003e\n  \u003cdiv style=\"margin-bottom: 28px;\"\u003e\n    \u003ch3 style=\"font-size: 18px; font-weight: 700; color: #D32F2F; margin: 0 0 12px; border-bottom: 2px solid #e2e8f0; padding-bottom: 6px;\"\u003e\n      Recommended Applications \u0026amp; Repairs\n    \u003c\/h3\u003e\n    \u003cul style=\"padding-left: 20px; margin: 0;\"\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eTransmission Rebuilds:\u003c\/strong\u003e Replacing worn, rounded, or stripped bronze drive gears in standard 10:1 ratio Little Beaver oil-bath gearboxes.\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eRental Yard Servicing:\u003c\/strong\u003e Essential maintenance rebuild part for commercial rental fleets operating mechanical post hole diggers.\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eShaft Backlash Elimination:\u003c\/strong\u003e Restoring tight factory gear tooth mesh, eliminating rotational play, and maximizing auger drill penetration.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Key Features Section --\u003e\n  \u003cdiv style=\"margin-bottom: 28px;\"\u003e\n    \u003ch3 style=\"font-size: 18px; font-weight: 700; color: #D32F2F; margin: 0 0 12px; border-bottom: 2px solid #e2e8f0; padding-bottom: 6px;\"\u003e\n      Key Performance \u0026amp; Construction Features\n    \u003c\/h3\u003e\n    \u003cul style=\"padding-left: 20px; margin: 0;\"\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eStandard 10:1 Gear Reduction:\u003c\/strong\u003e Factory standard gear ratio engineered for optimal rotational auger speed across general post-hole digging applications.\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003ePrecision 1-1\/4\" Internal Bore:\u003c\/strong\u003e Machined to exact factory tolerances for a direct, slip-fit slide onto standard 1.25\" main transmission output shafts.\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eHeavy-Duty Double-Keyed Hub:\u003c\/strong\u003e Dual keyways effectively double torque distribution, preventing single-key shear and shaft fretting under shock loads.\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eSacrificial Bearing Bronze Metallurgy:\u003c\/strong\u003e High-lubricity bronze minimizes friction against the mating steel pinion and protects internal gearbox housings during auger bind-ups.\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eOEM Factory Fit (MPN: 10070):\u003c\/strong\u003e Genuine Little Beaver replacement part ensures factory tooth alignment, correct backlash, and smooth engagement.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- What's Included --\u003e\n  \u003cdiv style=\"margin-bottom: 28px;\"\u003e\n    \u003ch3 style=\"font-size: 18px; font-weight: 700; color: #D32F2F; margin: 0 0 12px; border-bottom: 2px solid #e2e8f0; padding-bottom: 6px;\"\u003e\n      What's Included\n    \u003c\/h3\u003e\n    \u003cul style=\"padding-left: 20px; margin: 0 0 10px;\"\u003e\n      \u003cli style=\"margin-bottom: 6px;\"\u003e1 × Genuine Little Beaver Bronze Transmission Gear — 1-1\/4\" Bore, 10:1, Double Keyed (Part # 10070)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Technical Specifications Table --\u003e\n  \u003cdiv style=\"margin-bottom: 28px;\"\u003e\n    \u003ch3 style=\"font-size: 18px; font-weight: 700; color: #D32F2F; margin: 0 0 12px; border-bottom: 2px solid #e2e8f0; padding-bottom: 6px;\"\u003e\n      Technical Specifications\n    \u003c\/h3\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; border: 1px solid #e2e8f0;\"\u003e\n        \u003cthead\u003e\n          \u003ctr style=\"background-color: #D32F2F; color: #ffffff;\"\u003e\n            \u003cth style=\"padding: 10px 14px; border: 1px solid #D32F2F; width: 40%; font-weight: 600;\"\u003eSpecification Parameter\u003c\/th\u003e\n            \u003cth style=\"padding: 10px 14px; border: 1px solid #D32F2F; width: 60%; font-weight: 600;\"\u003eProduct Detail\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr style=\"background-color: #f8fafc;\"\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0; font-weight: 600;\"\u003eManufacturer \/ Brand\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0;\"\u003eLittle Beaver, Inc.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0; font-weight: 600;\"\u003eOEM Part Number \/ MPN\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0;\"\u003e10070\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #f8fafc;\"\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0; font-weight: 600;\"\u003eInternal Bore Diameter\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0;\"\u003e1-1\/4 in. (1.25\" \/ 31.75 mm)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0; font-weight: 600;\"\u003eGear Ratio\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0;\"\u003e10:1 Gear Reduction Ratio\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #f8fafc;\"\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0; font-weight: 600;\"\u003eHub \u0026amp; Keyway Design\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0;\"\u003eDouble Keyed (Dual Drive Keyways)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0; font-weight: 600;\"\u003eMaterial Composition\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0;\"\u003eCast Bearing Bronze Alloy\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #f8fafc;\"\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0; font-weight: 600;\"\u003eGearbox Compatibility\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0;\"\u003eLittle Beaver Mechanical Earth Drill 10:1 Oil Bath Transmissions\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0; font-weight: 600;\"\u003eMating Component\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0;\"\u003e1-1\/4\" Main Transmission Output Shaft (#10080) \u0026amp; Drive Pinion\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #f8fafc;\"\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0; font-weight: 600;\"\u003eLubricant Requirement\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0;\"\u003eLittle Beaver Factory Spec Gear Lube (Yellow-metal \/ bronze safe)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0; font-weight: 600;\"\u003eCountry of Origin\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 14px; border: 1px solid #e2e8f0;\"\u003eUnited States\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Operational Rebuild Tip Box --\u003e\n  \u003cdiv style=\"background-color: #fffbeb; border: 1px solid #fef3c7; border-left: 5px solid #d97706; padding: 14px 18px; margin-bottom: 28px; border-radius: 4px;\"\u003e\n    \u003cp style=\"margin: 0; font-size: 14px; color: #92400e; line-height: 1.55;\"\u003e\n      \u003cstrong\u003e💡 GEARBOX REBUILD PRO-TIP:\u003c\/strong\u003e When installing the 10070 gear, always inspect both drive keys and the 1-1\/4\" main shaft (#10080) for burrs or rounding. Never reuse scored keys. Flush the gearbox case completely with solvent to clear brass filings, inspect the upper and lower shaft bearings, install fresh seals (#10115), and refill with clean bronze-safe oil before testing.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Visible FAQ Accordion Section (Required for FAQ Schema) --\u003e\n  \u003cdiv style=\"margin-bottom: 28px; border-top: 2px solid #e2e8f0; padding-top: 20px;\"\u003e\n    \u003ch3 style=\"font-size: 18px; font-weight: 700; color: #D32F2F; margin: 0 0 16px;\"\u003e\n      Frequently Asked Questions: Little Beaver 10070 Bronze Gear\n    \u003c\/h3\u003e\n\n    \u003cdiv style=\"margin-bottom: 14px; background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 6px; padding: 14px 16px;\"\u003e\n      \u003cstrong style=\"color: #1a202c; font-size: 15px; display: block; margin-bottom: 4px;\"\u003e\n        Q: What are the bore size and gear ratio for the Little Beaver 10070 bronze gear?\n      \u003c\/strong\u003e\n      \u003cp style=\"margin: 0; color: #4a5568; font-size: 14px;\"\u003e\n        A: The Little Beaver 10070 bronze gear features a precision 1-1\/4 inch (1.25\") internal bore, a standard 10:1 gear reduction ratio, and dual keyway broaching (double keyed) to handle high rotary torque.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"margin-bottom: 14px; background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 6px; padding: 14px 16px;\"\u003e\n      \u003cstrong style=\"color: #1a202c; font-size: 15px; display: block; margin-bottom: 4px;\"\u003e\n        Q: Why is the 10070 gear double keyed?\n      \u003c\/strong\u003e\n      \u003cp style=\"margin: 0; color: #4a5568; font-size: 14px;\"\u003e\n        A: The double-keyed configuration utilizes dual shaft drive keys to evenly distribute extreme rotational torque across the 1-1\/4\" main output shaft, preventing key shear and shaft galling during heavy drilling and sudden bind-ups.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"margin-bottom: 14px; background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 6px; padding: 14px 16px;\"\u003e\n      \u003cstrong style=\"color: #1a202c; font-size: 15px; display: block; margin-bottom: 4px;\"\u003e\n        Q: Why is this Little Beaver gear made from bronze instead of hardened steel?\n      \u003c\/strong\u003e\n      \u003cp style=\"margin: 0; color: #4a5568; font-size: 14px;\"\u003e\n        A: It is CNC-machined from high-strength bearing bronze to mate with the steel drive pinion. In severe shock-load situations (such as striking large rocks or dense tree roots), the bronze gear acts as an engineered sacrificial component to protect the main gearbox housing and flex drive shaft from catastrophic failure.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"margin-bottom: 14px; background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 6px; padding: 14px 16px;\"\u003e\n      \u003cstrong style=\"color: #1a202c; font-size: 15px; display: block; margin-bottom: 4px;\"\u003e\n        Q: What type of gear oil should be used when installing the 10070 bronze gear?\n      \u003c\/strong\u003e\n      \u003cp style=\"margin: 0; color: #4a5568; font-size: 14px;\"\u003e\n        A: Always use genuine Little Beaver factory-specified transmission gear lubricant. Standard automotive EP lubricants often contain active sulfur additives that can corrode and degrade yellow bronze components.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Little Beaver","offers":[{"title":"Default Title","offer_id":53402985234743,"sku":"10070","price":134.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/b2cef283-55bb-4e8b-86b9-b6b391ac578c.jpg?v=1793132805","url":"https:\/\/www.1toptools.com\/products\/10070","provider":"1 Top Tools","version":"1.0","type":"link"}