{"product_id":"311-15-78-hydraulic-drive-gear-shaft-assembly","title":"311 15 78 Hydraulic Drive Gear Shaft Assembly","description":"\u003ch2\u003eDescription:\u003c\/h2\u003e\n\u003cp\u003eSource the original 311 15 78 (311-15-78) hydraulic drive gear shaft assembly directly through our established B2B supply network for industrial and mobile fluid power equipment. Precision-machined to exacting OEM tolerances, this high-tensile hardened steel drive shaft features an integrated pinion gear section and a keyed drive shaft end (complete with matching drive key). It restores rotational torque transmission and hydraulic displacement in heavy-duty pumps, motors, and rotary actuators. Hydraulic repair technicians and fleet maintenance engineers across the \u003cb\u003eUSA\u003c\/b\u003e rely on our inventory for immediate pump rebuilds and drivetrain overhauls, while industrial machinery operators throughout the \u003cb\u003eUAE\u003c\/b\u003e secure authentic mechanical spares to eliminate equipment downtime. Engineered to withstand high operational pressure cycles and rotational torque load, this replacement shaft assembly guarantees smooth power transfer and exact mesh alignment inside hydraulic pump housings. As a trusted surplus industrial supplier, WeSellStocks.co delivers verified fluid power components to equipment rebuilders, fleet workshops, and MRO procurement managers worldwide without long factory lead times.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBrand:\u003c\/b\u003e Replacement \/ Industrial Surplus (Unbranded)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eProduct Type:\u003c\/b\u003e Hydraulic Drive Gear Shaft Assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePart Number:\u003c\/b\u003e 311 15 78 (311-15-78)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIndustry Category:\u003c\/b\u003e Industrial \u0026amp; Mobile Hydraulics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVoltage Rating:\u003c\/b\u003e N\/A (Mechanical Component)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCurrent Rating:\u003c\/b\u003e N\/A (Mechanical Component)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePower Rating:\u003c\/b\u003e Available upon request\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eInput Voltage:\u003c\/b\u003e N\/A (Mechanical Component)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOutput Voltage:\u003c\/b\u003e N\/A (Mechanical Component)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMounting Type:\u003c\/b\u003e Internal Pump Housing Mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eStandards \/ Compliance:\u003c\/b\u003e Heavy-Duty OEM Grade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOther Confirmed Specs:\u003c\/b\u003e Includes Drive Shaft, Integrated Spur Gear, Keyway \u0026amp; Separate Drive Key, Hardened Alloy Steel Construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication:\u003c\/h2\u003e\n\u003cp\u003eThe 311 15 78 drive gear shaft is engineered for rebuilding rotary hydraulic pumps, hydraulic motors, and industrial reduction gearboxes used in construction machinery, agricultural equipment, material handling systems, and stationary hydraulic power units. It resolves shaft shearing, keyway wear, and gear tooth erosion. Essential for hydraulic technicians, machinery mechanics, and MRO buyers.\u003c\/p\u003e\n\u003cp\u003eHydraulic overhaul specialists searching for a certified 311 15 78 distributor USA can acquire original, ready-to-ship shaft assemblies with fast handling options. We supply regional maintenance centers seeking a dependable 311 15 78 supplier UAE to complete fluid power repairs efficiently. Access genuine surplus hydraulic inventory, direct B2B wholesale pricing, and worldwide shipping for all your commercial machinery replacement needs today.\u003c\/p\u003e\n\u003ch2\u003eMetafields:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ebrand:\u003c\/b\u003e Generic \/ Surplus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003epart_number:\u003c\/b\u003e 311 15 78 | 311-15-78\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eproduct_type:\u003c\/b\u003e Hydraulic Drive Shaft Assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eindustry_category:\u003c\/b\u003e Industrial \u0026amp; Mobile Hydraulics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003evoltage_rating:\u003c\/b\u003e N\/A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ecurrent_rating:\u003c\/b\u003e N\/A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003epower_rating:\u003c\/b\u003e Available upon request\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003einput_voltage:\u003c\/b\u003e N\/A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eoutput_voltage:\u003c\/b\u003e N\/A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003emounting_type:\u003c\/b\u003e Internal Pump Mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003estandards:\u003c\/b\u003e Industrial Standard Grade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003estock_quantity_available:\u003c\/b\u003e 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003etarget_markets:\u003c\/b\u003e USA | UAE | Worldwide\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eglobal_shipping:\u003c\/b\u003e Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eCondition: New Open Box\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch5\u003eRusty due to old stock\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"We Sell Stocks","offers":[{"title":"Default Title","offer_id":59732697776414,"sku":"Cabin : B-42","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/7230\/1086\/files\/6_3a610633-f82d-4082-a8f6-c285c7564d2a.png?v=1785838288","url":"https:\/\/wesellstocks.co\/products\/311-15-78-hydraulic-drive-gear-shaft-assembly","provider":"We Sell Stocks","version":"1.0","type":"link"}