Sany Bracket Assy-Guide Wheel

The Sany Bracket Assy-Guide Wheel is a heavy-duty rope guidance and alignment system that ensures precise telescoping boom movement on Sany STC-series truck cranes and SAC-series all‑terrain cranes.

This Sany Bracket Assy-Guide Wheel integrates a robust guide wheel bracket, a pulley assembly, multiple precision‑ground rollers, catch plates, retaining plates, pin shafts, sleeves, and all necessary fasteners into a single factory‑matched assembly. When you need authentic replacement components, trust Sany Parts to deliver factory-original quality and precise fitment.

The Sany Bracket Assy-Guide Wheel is specifically designed for Sany cranes with 4‑section or 5‑section telescopic booms, ensuring smooth, friction‑free rope travel and preventing internal boom contact for superior operational reliability and extended rope service life.

Sany Bracket Assy-Guide Wheel — OEM rope guidance and alignment system for Sany heavy truck cranes and all‑terrain cranes

What is the Sany Bracket Assy-Guide Wheel?

The Sany Bracket Assy-Guide Wheel is a specialized rope management component that maintains precise alignment of extension and retraction ropes within the telescoping boom structure on Sany heavy lifting machinery. This guidance system prevents ropes from contacting internal boom surfaces, reducing friction and extending rope service life.

The Sany Bracket Assy-Guide Wheel assembly comprises 20 precision‑engineered components that function as an integrated rope management unit. The guide wheel bracket provides the structural foundation. The pulley assembly (10587474) guides the primary hoist rope. Multiple rollers facilitate smooth rope travel through the boom structure. Catch plates and retaining plates secure the bracket to the boom section. Pin shafts and sleeves create low‑friction pivot points for the guidance wheels.

The Sany Bracket Assy-Guide Wheel is critical for the proper operation of the telescoping mechanism. As the boom extends and retracts, the guidance wheels roll along the internal surfaces of the boom sections, maintaining the correct rope alignment regardless of the boom’s extension length. Without properly functioning guide wheels, ropes can abrade against the boom interior, leading to rope fraying and potential failure.

The Sany Bracket Assy-Guide Wheel is a direct replacement for worn or damaged rope guidance components on Sany STC‑series truck cranes and SAC‑series all‑terrain cranes with 4‑section or 5‑section telescopic booms. By using this genuine assembly, you ensure that all roller clearances and alignment angles match factory specifications, eliminating internal rope abrasion and reducing the risk of telescoping synchronization issues.

Product Parameters of Sany Bracket Assy-Guide Wheel

Technical specifications: The Sany Bracket Assy-Guide Wheel is engineered for use with telescoping boom systems. The guide wheel bracket (10587472) is fabricated from high‑strength steel. The pulley assembly (10587474) features a precision‑machined groove. Multiple rollers (10048501, 10048503, 10048504) provide low‑friction rope guidance.

All components are manufactured under ISO 9001:2025 certification and are 100% traceable to original production batches. The Sany Bracket Assy-Guide Wheel has been validated on Sany STC and SAC series cranes, demonstrating a field service life exceeding 10,000 operating hours when properly maintained.

Why Choose Our Sany Bracket Assy-Guide Wheel?

Complete 20‑Component OEM Kit — Factory‑Matched Assembly: The Sany Bracket Assy-Guide Wheel includes every roller, pin, shaft, plate, and fastener as a single, factory‑matched assembly. This eliminates compatibility problems that arise from sourcing individual components from different suppliers. The multiple rollers—Roller (10048501), Roller 1 (10048503), and Roller 2 (10048504)—are precisely sized for their specific positions within the boom.

Multiple Roller Configurations for Complex Rope Management: The Sany Bracket Assy-Guide Wheel incorporates several roller types to handle the different rope paths within a multi‑section telescoping boom. Roller 1 guides the extension ropes, Roller 2 manages the retraction ropes, and additional rollers provide secondary guidance at critical points. The rollers are surface‑hardened to provide wear resistance against rope abrasion while maintaining a smooth surface that minimizes friction.

Precision Retaining System for Vibration Security: The Sany Bracket Assy-Guide Wheel uses multiple retaining plates (10048502, A820101322910) and catch plates (10048498) that lock the rollers and pin shafts in position under all operating conditions. This system prevents axial movement of the rollers even under the high‑frequency vibration generated during crane transport over rough terrain.

Fleet‑Proven Reliability and Comprehensive Warranty: The Sany Bracket Assy-Guide Wheel is standard equipment on Sany STC‑series truck cranes and SAC‑series all‑terrain cranes in over 100 countries. Fleet data shows that genuine Sany guide wheel brackets deliver an average service life exceeding 10,000 hours, preventing rope‑abrasion failures. The assembly is backed by a 24‑month manufacturer’s warranty covering roller wear, bracket cracking, and pin shaft breakage. Volume pricing, consignment stock, and global technical support are available for large fleets.

What are the Routine Maintenance Considerations for the Sany Bracket Assy-Guide Wheel?

Daily visual inspection before operation: Inspect the Sany Bracket Assy-Guide Wheel for visible damage to the bracket (10587472), rollers, and pulley assembly (10587474). Check all rollers for free rotation—a seized roller will cause rope abrasion. Look for cracks in the catch plate (10048498) or retaining plates. Examine the sleeve (10048500) and shafts for wear.

Lubrication of pivot points — every 250 operating hours: Apply lithium‑based EP2 grease to all pivot points through grease fittings if provided. Ensure the pulley assembly rotates smoothly without binding. The roller bearings (if applicable) may require periodic lubrication. If the bracket is not equipped with grease fittings, disassemble and clean the pin shafts and sleeves annually.

Roller wear measurement — every 500 operating hours: Measure the diameter of each roller (10048501, 10048503, 10048504) using calipers. If any roller shows wear exceeding 5% of its original diameter, or if the roller tread has dents deeper than 3 mm, replace the roller immediately. Worn rollers may allow ropes to contact the bracket, causing rapid rope failure. Also inspect the pin shafts (10587448, 10587463, A820301021240) for measurable wear.

Preventative replacement schedule — every 4,000 hours or 2 years: For high‑use cranes, Sany recommends a full replacement of the Sany Bracket Assy-Guide Wheel every 4,000 operating hours or 2 years. Replace all rollers, pin shafts, sleeves, and retaining plates as a set. Replace the spacer ring (10048506). Keep a detailed maintenance log tracking roller measurements and replacement dates. By following this proactive schedule, the Sany Bracket Assy-Guide Wheel can reliably exceed 10,000 operating hours.

The guide wheel bracket (10587472) is the structural backbone of the Sany Bracket Assy-Guide Wheel. This bracket is fabricated from heavy‑gauge steel with precision‑machined mounting holes that align with the boom section interface. The bracket must maintain its geometry under the full range of telescoping loads.

If the bracket shows any signs of cracking, bending, or distortion, the entire Sany Bracket Assy-Guide Wheel must be replaced. Field welding repairs are prohibited, as welding heat can alter the metallurgical properties and cause premature fatigue failure.

The pulley assembly (10587474) guides the main hoist rope at the boom tip. This assembly includes a hardened steel pulley with a precision‑machined groove that matches the rope diameter. The pulley rotates on sealed bearings that should be lubricated every 250 operating hours. If the pulley groove shows wear that reduces the rope contact angle by more than 15 degrees, replace the entire pulley assembly immediately.

The multiple rollers (10048501, 10048503, 10048504) are designed for different rope paths. Roller 1 is used for extension ropes, Roller 2 for retraction ropes, and additional rollers for secondary guidance. Each roller is case‑hardened to a surface hardness of HRC 50‑55. If a roller shows flat spots or uneven wear, replace it promptly—a damaged roller will accelerate rope wear.

The retaining plates (10048502, A820101322910) and catch plate (10048498) lock the pin shafts and rollers into position. These plates are essential for maintaining roller alignment under vibration. If any retaining plate is missing or damaged, the associated roller may shift axially, causing rope misalignment and potential rope jumping off the roller path.

The spacer ring (10048506) maintains the correct axial clearance between rollers and the bracket. If the spacer ring wears, the roller may move axially on its shaft. Inspect the spacer ring during every roller replacement and replace it if any wear is visible.

For Sany cranes operating in extreme cold climates (below -25°C), special considerations apply to the Sany Bracket Assy-Guide Wheel. The rollers and bearings may require low‑temperature grease (rated for -40°C). The bracket steel becomes more brittle at low temperatures; avoid shock loading or sudden boom movements that could cause cracking.

When installing the Sany Bracket Assy-Guide Wheel, torque all bolts (A210111000018, A210111000079) to the manufacturer specification of 45‑55 Nm for M10 fasteners. Use the washers (A210401000016, A210401000001) provided to distribute clamping load evenly. Cross‑tighten bolts in a star pattern to ensure even bracket seating against the boom section.

The Sany Bracket Assy-Guide Wheel is also available as part of a complete telescoping boom overhaul kit, which includes all guide wheel brackets, rope sheaves, wear pads, and telescoping cylinder seal kits. Sany recommends this complete‑kit approach for vehicles with over 8,000 operating hours, as it allows the entire boom internal guidance system to be renewed in a single service event, eliminating the risk of hidden roller bearing wear.

Fleet managers using this strategy report a 50% reduction in telescoping mechanism‑related failures and a 40% reduction in total boom system maintenance costs over the equipment’s life.

Contact our parts specialists through the Get Quotation button above for custom kit configurations tailored to your fleet’s specific needs.