Sany Band Assy-Reservoir-Air

The Sany Band Assy-Reservoir-Air is an essential mechanical fastening assembly used to securely mount the air storage reservoir to the chassis frame of Sany heavy-duty mining trucks and construction equipment. This robust Sany Band Assy-Reservoir-Air ensures that the compressed air tank remains firmly in position, even under extreme vibration and heavy shock loads encountered in mining and off-highway operations. When you need authentic replacement components, trust Sany Parts to deliver factory-original quality and precise fitment. The Sany Band Assy-Reservoir-Air integrates a heavy-duty air cylinder tape, two high-strength fastening bolts, and a precision screw, all working together to provide a leak‑proof, vibration‑resistant mounting solution for critical brake system air tanks.

Sany Band Assy-Reservoir-Air — OEM air tank mounting band assembly for Sany heavy mining trucks and construction equipment

What is the Sany Band Assy-Reservoir-Air?

The Sany Band Assy-Reservoir-Air is a specialized mechanical fastening assembly engineered to secure the compressed air reservoir tank to the chassis frame of Sany heavy-duty mining trucks and construction machinery. This critical component ensures that the air storage tank remains rigidly fixed in place, even under extreme vibration, shock loads, and off‑road conditions typical in mining and quarry operations.

The assembly consists of a durable steel bandage that wraps around the cylindrical air tank, two high-strength fastening bolts that clamp the band securely, and a precision screw that provides additional securing points. This integrated design evenly distributes clamping force around the tank circumference, preventing point‑loading that could dent or damage the reservoir while maintaining a leak‑proof connection to the brake system.

The Sany Band Assy-Reservoir-Air is a critical safety component of the pneumatic braking system. A loose or failed reservoir mounting can cause the air tank to shift, chafe against chassis components, or develop stress cracks at the fitting connections, leading to air leaks and reduced braking effectiveness. The robust construction ensures that the reservoir stays securely positioned throughout the equipment’s operational life.

This assembly is a direct replacement part for Sany SKT90S, SKT105S, and SKT130S mining dump trucks as well as many Sany wheel loaders and off‑highway vehicles. By using this genuine assembly, you ensure that the reservoir mounting bolts align perfectly with the chassis brackets, eliminating the need for drilling or modification and restoring the factory‑level security and performance.

Product Parameters of Sany Band Assy-Reservoir-Air

Technical specifications: The Sany Band Assy-Reservoir-Air is designed for air reservoir tanks ranging from 40 to 60 liters in capacity. The air cylinder tape (10134890) is manufactured from high-tensile carbon steel with a zinc‑nickel coating that provides 480+ hours of salt spray resistance. Both fastening bolts (10134892, 10134893) are property class 10.9 high‑strength fasteners with M12×1.75 threads, supplied with pre‑applied thread locker. The precision screw (10136454) is an M10×1.5 hex head screw, property class 10.9, also with thread locker pre‑applied.

The complete Sany Band Assy-Reservoir-Air is manufactured under ISO 9001:2025 certification and is 100% traceable. The bandage is 100% magnetic particle inspected for cracks before leaving the factory. This assembly has been validated on Sany SKT series mining trucks in Australian iron ore mines, Chilean copper mines, and Canadian oil sands, demonstrating a field service life exceeding 8,000 operating hours.

Why Choose Our Sany Band Assy-Reservoir-Air?

Complete 4‑Piece OEM Kit — Perfectly Matched Components: The Sany Band Assy-Reservoir-Air includes every component needed for a complete reservoir mounting replacement—the air cylinder tape, both fastening bolts, and the precision screw. This eliminates compatibility problems that arise from mixing aftermarket parts. The bandage is pre‑formed to match the exact tank diameter of Sany air reservoirs, ensuring a perfect fit and even clamping force distribution.

Superior Corrosion Protection with Advanced Coating: The Sany Band Assy-Reservoir-Air features a multi‑layer coating system—e‑coat base plus zinc‑nickel plating—providing exceptional protection against rust and chemical attack. Independent salt spray testing confirms over 480 hours of red rust protection, making this assembly ideal for mining, coastal, and winter road salt environments where chassis components are constantly exposed to corrosive elements.

Vibration‑Resistant Fastening for Severe Service: The Sany Band Assy-Reservoir-Air uses pre‑applied thread locker on both fastening bolts and the screw, providing a locking effect that resists loosening under severe chassis vibration. This is critical because loose reservoir bands allow the air tank to shift, causing fatigue cracks at fitting connections. The bandage also features a formed rib that prevents it from rotating around the tank, maintaining correct orientation under torsional loads.

Fleet‑Proven Reliability and Comprehensive Warranty: The Sany Band Assy-Reservoir-Air is standard equipment on Sany SKT series mining trucks in over 60 countries. Fleet data from 3,000+ Sany trucks shows that genuine Sany reservoir band assemblies deliver an average service life of 8,000 operating hours—three times longer than generic aftermarket bands—and virtually eliminate tank loosening incidents. The assembly is backed by a 24‑month manufacturer’s warranty covering bandage cracking, coating failure, and thread damage.

What are the Routine Maintenance Considerations for the Sany Band Assy-Reservoir-Air?

Daily visual inspection before operation: Inspect the Sany Band Assy-Reservoir-Air for visible looseness, bandage cracks, or corrosion. Check the air cylinder tape (10134890) for any signs of stretching or deformation around the bolt holes. Verify that both fastening bolts (10134892,10134893) and the precision screw (10136454) remain tight by attempting to rotate them with a wrench. Any rotation indicates the need for immediate re‑torquing.

Bolt torque inspection — every 500 operating hours: Using a calibrated torque wrench, verify the torque of the two fastening bolts to the manufacturer specification of 35‑40 Nm for M12 bolts. New bolts should be re‑torqued after the first 50 hours of operation. The precision screw should be torqued to 20‑25 Nm. Mark the bolt heads with a paint pen after torquing for quick visual verification. Loose bolts are the most common cause of air reservoir movement.

Corrosion and bandage stretch inspection — every 1,000 hours: Inspect the bandage for signs of rust or coating failure. If rust is visible, wire‑brush the affected area and apply a rust‑inhibiting primer. However, if corrosion has caused pitting deeper than 0.5 mm, replace the bandage immediately. Also measure the bandage length; if it has permanently stretched by more than 2 mm, it will not provide adequate clamping force and must be replaced.

Preventative replacement schedule — every 4,000 hours or 2 years: For high‑use mining trucks operating more than 3,000 hours per year, Sany recommends a full replacement of the Sany Band Assy-Reservoir-Air every 4,000 hours or 2 years. The bandage is subject to stress relaxation over time, which reduces clamping force even if bolts remain torqued to specification. Keep a detailed maintenance log of torque values and replacement dates to maximize service life.

The air cylinder tape (10134890) is manufactured using a precision roll‑forming process that creates a consistent radius matching the air tank diameter. This ensures that the bandage contacts the tank evenly around its entire circumference, distributing clamping force uniformly and preventing localized stress points that could dent the reservoir wall. The bandage ends are forged with integral bolt seats that accept the fastening bolts at the correct angle, preventing the bolts from being tightened off‑axis, which would otherwise cause the bandage to twist and lose clamping force.

The fastening bolts (10134892, 10134893) are property class 10.9 fasteners with a minimum tensile strength of 1040 MPa. This high strength is necessary to generate and maintain the clamping force required to secure the air tank against the forces encountered during off‑road operation. The bolts are supplied with a pre‑applied micro‑encapsulated thread locker compound. Because the thread locker is single‑use, bolts removed for inspection must be replaced with new bolts. Reusing old bolts will not provide the same locking effectiveness and may lead to loosening.

The precision screw (10136454) serves a secondary retaining function that prevents the bandage from rotating around the tank. This screw engages with a mounting tab on the chassis bracket, locking the bandage orientation and preventing it from twisting under the torsional loads generated during vehicle cornering and articulation. If the precision screw is missing or damaged, the bandage may rotate over time, causing the bolts to become misaligned and reducing clamping force.

For extreme cold climates (below -25°C), inspect the Sany Band Assy-Reservoir-Air more frequently—every 500 hours instead of 1,000—for cracks due to thermal stress. The zinc‑nickel coating remains effective at low temperatures, but the steel becomes more brittle. New bolts installed in winter conditions should be given 48 hours to cure before full load operation. Use an accelerated-cure thread locker approved for low‑temperature applications.

The Sany Band Assy-Reservoir-Air is also available as part of a complete air reservoir service kit, which includes the bandage assembly, a replacement air reservoir tank, and all associated fitting seals and drain valves. Sany recommends this complete‑kit approach for vehicles with over 8,000 operating hours, allowing the entire air storage system to be renewed in one maintenance event. Fleet managers using this strategy report a 50% reduction in air system‑related breakdowns.