A810502079012 Hinges Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

A810502079012 Hinges Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

The A810502079012 original hinge is a dedicated connecting accessory for SANY’s engineering machinery. It is widely installed on the cab doors, protective and maintenance doors, and hatches of various SANY engineering equipment. Its core function is to enable flexible opening and closing of the door, load-bearing connection, and proper positioning, ensuring smooth opening and closing and tight sealing of the equipment door. Engineering machinery operates under harsh conditions of outdoor bumps, high-frequency vibrations, dust, and humidity. Ordinary hinges are prone to loosening, deformation, shaft jamming, corrosion, door sagging, and abnormal noises during opening and closing, seriously affecting daily operation and protective sealing. This product uses SANY’s original precision molding process, resulting in a stable and robust one-piece structure with even stress distribution and strong load-bearing capacity. It effectively counteracts the high-frequency vibrations and impacts during equipment operation, preventing door sagging, tilting, and jamming during opening and closing. The product strictly adheres to SANY’s original factory production and quality inspection standards. The standard hole positions require no drilling or modification, and can directly replace old hinges that are loose, deformed, rusted, broken, or have failed to open and close. It is suitable for daily equipment maintenance, fault repair, new machine assembly, and bulk stocking. It is also suitable for various heavy-duty construction scenarios such as infrastructure, mining, and earthwork, ensuring long-term stable opening and closing of equipment doors and a tight fit, thereby reducing equipment operation and maintenance failure rates and maintenance costs.

【Core Technical Parameters】

— Product Model: A810502079012
— Product Type: SANY Original Construction Machinery Hinges, Load-Bearing and Rotating Connection Accessories for Equipment Doors
— Compatible Models: Compatible with all mainstream construction machinery from Sany, including excavators, pump trucks, loaders, and road rollers. Matches original factory cab and access door assembly points, allowing for non-destructive replacement.
— Main body material: High-strength alloy steel, forged in one piece, with a dense and rigid structure, strong tensile strength, bending resistance, fatigue resistance, and load-bearing capacity, and is not easily deformed or fractured under long-term stress.
— Operating temperature range: -45℃ to +125℃, wide temperature adaptability, stable structure under high and low temperature environments, no brittleness, jamming, deformation or failure issues.
— Structural Design: Thickened load-bearing hinge structure, precise fit of shaft core, uniform rotation clearance, smooth opening and closing without jamming or wobbling.
— Protective performance: Possesses excellent resistance to vibration, bumps, deformation, and sagging, effectively stabilizing the door’s opening and closing, preventing door tilting, incomplete sealing, and abnormal noises during opening and closing.
— Surface treatment: Rust removal and passivation + anti-corrosion and rust-proof electroplating treatment, resistant to salt spray, aging, oil stains, and moisture, suitable for all-weather outdoor construction environments.
— Rotation characteristics: High-precision shaft fit, moderate damping, quiet opening and closing, no looseness or deviation even after repeated opening and closing, stable and smooth rotation feel.
— Dimensional accuracy: Forged with original precision molds, 1:1 original standard specifications, tight fit, precise hole positions, no dimensional deviations or loose assembly issues.
— Installation method: Original factory standard pre-drilled holes, no drilling or modification required, quick bolt tightening for installation, efficient assembly and disassembly, supports multiple maintenance and reuse.
— Working condition adaptability: Suitable for heavy-duty and harsh working conditions such as mining, infrastructure construction, and earthmoving; resistant to high-frequency vibration and impact; will not loosen, deform, or rust after long-term use.
— Service life: The thickened alloy structure exhibits excellent fatigue and wear resistance, low wear from repeated opening and closing, and can maintain stable opening and closing and reliable load-bearing capacity for a long time under harsh working conditions.

The A810502079012 original hinge is solidly crafted, has a stable load-bearing capacity, and excellent vibration and corrosion resistance. It can be precisely adapted to the assembly needs of the door body of all Sany engineering machinery, effectively solving problems such as door sagging, jamming, abnormal noise, looseness, and corrosion failure. It stabilizes the opening and closing and sealing of the door, improves the overall protection of the equipment and the user experience, and is a high-quality original connection accessory for the maintenance and repair of engineering machinery hinges, new machine assembly, and bulk procurement.

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