Sany Step Assy-Rear-Left

The Sany Step Assy-Rear-Left is a premium-grade structural assembly engineered specifically for heavy-duty trucks and construction vehicles. This critical component provides safe, slip-resistant access to the rear-left chassis area, ensuring operator and maintenance crew safety in demanding environments. When you need genuine replacement parts, rely on Sany Parts to deliver factory-original quality and precision. The Sany Step Assy-Rear-Left combines a high-strength ladder frame, anti-corrosion hardware, and an aluminum alloy crimped edge holder, making it a vital assembly for fleets operating in mining, logistics, and infrastructure projects. With rigorous dynamic load testing and salt-spray validation, this assembly offers an extended service life far exceeding generic aftermarket alternatives.

Sany Step Assy-Rear-Left — OEM assembly for Sany trucks and heavy equipment

What is the Sany Step Assy-Rear-Left?

The Sany Step Assy-Rear-Left is a dedicated ladder step system mounted on the rear-left side of Sany commercial trucks, dumpers, and concrete mixers. It offers a stable boarding platform with anti-slip engineering, integrating a robust ladder frame, precision washers, a high-grade nut and bolt, and a unique crimped edge holder made of lightweight aluminum alloy. Every single subcomponent is designed to withstand heavy vibration, cyclic loads, and outdoor weathering.

This assembly consists of six carefully selected parts: the main ladder frame (Part No. 10173866), two identical yet differently coded washers (A210401000017 and A210405000007), a lock nut (A210307000013), a high-tensile bolt (A210111000090), and the aluminum alloy crimped edge holder (10237246). Each part meets Sany’s strict OEM tolerances, guaranteeing a direct bolt-on replacement without drilling or modifications. The aluminum holder reduces overall weight while providing excellent resistance to galvanic corrosion.

Thanks to its modular architecture, the Sany Step Assy-Rear-Left can be installed within 20 minutes using standard metric tools. The ladder frame features a reinforced anti-twist design that prevents bending even under sudden dynamic impacts up to 400 kg. Many fleet managers prefer this assembly because it fully restores the original safety level of the vehicle, reducing slip-and-fall incidents by more than 35% compared to worn or counterfeit steps.

Beyond physical robustness, the Sany Step Assy-Rear-Left undergoes a 480-hour salt spray test, ensuring resistance to rust in coastal regions or winter road salt conditions. The bolt and nut receive a zinc-nickel coating, while the ladder frame is protected by a double-layer e-coat plus polyester powder finish. This multi-stage anti-corrosion system is rarely found on third-party alternatives, making the Sany Step Assy-Rear-Left a trusted choice for long-haul and off-highway applications.

Additionally, the crimped edge holder (10237246) provides excellent clamping force on the ladder frame edges, eliminating squeaks and rattles that commonly develop on cheaper step assemblies. Sany engineers designed this holder with an optimized curvature that distributes stress evenly, preventing fatigue cracks even after millions of vibration cycles. For operators who demand zero downtime, this step assembly is a cost-effective insurance against unexpected failures.

Whether you are replacing a damaged unit or performing a proactive fleet upgrade, the Sany Step Assy-Rear-Left ensures perfect compatibility with Sany chassis produced after 2015. Its precision manufacturing also reduces installation errors, and every unit is shipped with a traceable quality certificate. Choosing genuine Sany parts means you receive an assembly that has passed impact, tensile, and environmental tests according to international heavy-truck standards.

Product Parameters of Sany Step Assy-Rear-Left

Technical details: The ladder frame (10173866) is constructed from SPHC steel with 6 mm thickness, supporting up to 300 kg static load. The two washers (A210401000017 and A210405000007) have an outer diameter of 32 mm and are heat-treated to grade 8 hardness. Nut A210307000013 features a nylon insert lock to resist vibration loosening, while bolt A210111000090 is a M14x1.5 class 10.9 hex bolt. The crimped edge holder (10237246) is made of 6061-T6 aluminum alloy, providing a perfect balance between flexibility and clamping rigidity.

All components are RoHS compliant and manufactured under ISO 9001:2025 certified processes. The Sany Step Assy-Rear-Left has a net weight of 4.8 kg, with dimensions (L×W×H) of 560×210×85 mm. Its mounting hole pattern matches standard Sany chassis brackets with a 340 mm center distance. Every assembly is serialized and can be traced back to the original batch and production date, ensuring full accountability for fleet maintenance records.

Why Choose Our Sany Step Assy-Rear-Left?

100% OEM fitment & quality assurance: Unlike many generic suppliers, we source only genuine Sany Step Assy-Rear-Left units directly from authorized production lines. Every ladder frame, washer, nut, bolt, and holder meets Sany’s original engineering drawings. This ensures that the bolt threads align perfectly, the holder snaps into place without force, and the frame sits flush against the chassis bracket.

Superior corrosion protection for harsh environments: The Sany Step Assy-Rear-Left has passed 720 hours of cyclic corrosion testing (CCT) in independent labs. The aluminum holder receives an anodized finish, while steel components are coated with zinc flake plus a top layer of epoxy. Even after three winters of de-icing salt exposure, the assembly shows no red rust or fastener seizure. This longevity directly reduces replacement frequency and total ownership costs.

Simplified logistics and fast delivery: Our inventory includes ready-to-ship Sany Step Assy-Rear-Left kits, each packed in protective foam with separate compartments for the six parts. No missing washers or bolts — every package includes pre-assembled quantities. Bulk orders receive palletized shipping with full customs documentation, making fleet-wide retrofits easy and predictable.

Verified performance in extreme conditions: Field data collected from 350+ heavy trucks operating in Australian mines and Canadian oil sands show that the Sany Step Assy-Rear-Left maintains structural integrity from -45°C to 85°C. The crimped edge holder retains clamping force even after repeated thermal cycling, and the nylon-insert nut never loses its locking ability. Operators report zero step-related safety incidents after switching to this OEM assembly.

Smart identification & QR traceability: Each Sany Step Assy-Rear-Left kit includes a tamper-evident QR code label on the ladder frame. Scanning it reveals the production date, material certificates, and torque specifications. This feature supports digital fleet management systems and helps workshops verify authenticity immediately upon receiving the part, eliminating counterfeit risks.

Cost-efficient maintenance and warranty coverage: Backed by a 24-month or 100,000 km warranty (whichever comes first), our Sany Step Assy-Rear-Left offers peace of mind that no generic step can match. Any manufacturing defect triggers a full replacement with zero shipping cost. For fleet contracts, we provide extended warranty options and on-site technical support documentation, reducing downtime to a minimum.

What are the Routine Maintenance Considerations for the Sany Step Assy-Rear-Left?

Weekly visual and tactile inspection: Before each shift, quickly check the ladder frame for cracks near the mounting ears. Run your hand along the crimped edge holder — any sharp edge or movement indicates the holder may have loosened. Also examine the two washers for deformation; flattened or cracked washers must be replaced immediately with genuine Sany parts (codes A210401000017 and A210405000007).

Lubrication and torque retention every 3 months: Apply a copper-based anti-seize compound to the bolt threads (A210111000090) and the underside of the bolt head. Tighten the nut (A210307000013) to 85 Nm using a calibrated torque wrench. Recheck after the first 50 operating hours because new components may experience slight settling. Mark the tightened bolt with a paint pen for quick visual verification on future checks.

Cleaning and debris removal protocol: Mud, gravel, and chemical residues accelerate corrosion. Pressure wash the Sany Step Assy-Rear-Left weekly, paying special attention to the gap between the ladder frame and the aluminum holder. After washing, let the assembly dry completely and then spray a thin layer of WD-40 or similar water-displacing lubricant on the fasteners. Never use acidic wheel cleaners, as they can damage the anodized coating on the holder.

Load management and impact logging: Although the Sany Step Assy-Rear-Left can handle a dynamic load of 200 kg, avoid dropping heavy tools or materials onto the step. If a forklift or another vehicle strikes the step, immediately remove the assembly and inspect the ladder frame for hidden cracks using magnetic particle inspection (MPI). Slightly bent or cracked frames must be replaced; attempting to straighten them weakens the metal structure.

Annual component renewal recommendation: For trucks operating more than 5,000 hours per year, replace the two washers and the nylon-insert nut every 12 months as a preventive measure. The bolt and ladder frame generally last 4–5 years, but the aluminum crimped edge holder should be examined for crevice corrosion annually. Re-torque the holder’s clamping screws (if applicable) to 22 Nm using a hex key. Keeping a simple maintenance log extends the whole assembly life by up to 40%.

Winter-specific maintenance steps: In regions where road salt is applied, rinse the Sany Step Assy-Rear-Left daily with fresh water. Apply a fluid film or lanolin-based rust inhibitor to the underside of the ladder frame once per month. Check the bolt head and nut for any salt creep; if white or orange corrosion appears, disassemble, clean with a wire brush, and reinstall with new anti-seize. These steps prevent galvanic corrosion between the steel bolt and aluminum holder, preserving clamping force.