139999000297A Door Lock Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

139999000297A Door Lock Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

This product is a genuine Sany door lock accessory, installed on the cab doors, side doors, toolboxes, and other locations of construction machinery. It provides locking protection, sealing against dust, and noise reduction. It can prevent the intrusion of construction site dust, rainwater, and oil, avoiding problems such as door lock jamming, corrosion, loosening, and accidental opening, ensuring equipment safety. The original standard hole positions require no modification, and it can directly replace aging, damaged, or malfunctioning old door locks. It is suitable for routine equipment maintenance, new machine assembly, and bulk stocking.
The door lock is constructed from a combination of high-strength alloy and stainless steel, boasting a robust structure, exceptional toughness, impact resistance, and durability against repeated opening and closing. It is resistant to deformation and breakage even under prolonged construction site vibrations. Precisely molded by the original manufacturer, the lock body fits tightly to the door, ensuring a secure and secure lock that effectively prevents the intrusion of external debris. It is reliably adaptable to various harsh construction conditions, including mining, infrastructure, and earthmoving, and will not rust, jam, or produce abnormal noises even after long-term use, significantly reducing the probability of equipment failure and maintenance costs.

【Core Technical Parameters】

— Product Model: 139999000297A
— Product Type: SANY original factory construction machinery special door lock, suitable for locking and protecting the cab, side doors, and toolbox.
— Compatible Models: Compatible with all series of Sany construction machinery, including excavators, concrete pump trucks, cranes, and loaders; direct assembly and replacement at original factory locations.
— Main body material: high-strength zinc alloy + 45# steel; lock tongue is made of SUS304 stainless steel, sturdy, wear-resistant, and fracture-resistant.
— Operating temperature range: -20℃ to +60℃. The structure remains stable under wide temperature conditions, without jamming, deformation, or failure.
— Structural Design: Integrated lock body structure, precision lock cylinder paired with a spring-loaded assembly, ensuring smooth opening and closing and a secure lock.
— Protection performance: IP65 protection rating, providing comprehensive protection against dust, water splashes, and mud/sand intrusion.
— Surface treatment: Hot-dip galvanizing for corrosion protection, resistant to salt spray, aging, and oil stains, effectively resisting corrosive construction site environments.
— Dimensional accuracy: Original factory precision tolerances, 1:1 original specifications, assembly without deviation, uniform gaps
— Installation method: Standard hole bolt fixing, no drilling required for modification, simple disassembly and assembly, supports multiple maintenance and reuse.
— Adaptability to operating conditions: Withstands high-frequency opening and closing and strong vibration environments; prevents loosening, prying, and forced opening; suitable for all-weather outdoor construction.
— Service life: Overall wear-resistant and damage-resistant, with excellent corrosion and rust prevention properties, ensuring a long service life even under harsh working conditions.
— Execution Standard: Complies with SANY’s original factory production and testing specifications, and has passed multiple tests for vibration resistance, opening and closing, and corrosion resistance, ensuring stable and reliable quality.

The Sany 139999000297A original door lock is solidly made, with excellent protective performance, stable locking, smooth opening and closing, and outstanding dustproof, waterproof and pry-proof effects. It can effectively extend the service life and reduce equipment failure. It is a high-quality original part for Sany construction machinery maintenance, installation and bulk procurement.

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