252101245 pull rod for XCMG ZL50G/ZL50GL Wheel Loader

product parameters

Product Name: Pull Rod
Part No.: 252101245
Applicable Model: XCMG ZL50G, ZL50GL Wheel Loader
Material: Alloy steel plate, heat treated
Function: Transmit bucket cylinder tension, cooperate with linkage to control bucket rotation
Matching parts: pin, bushing, grease nipple
Working condition: Alternating impact tensile load
Inspection Items: Dimension inspection, crack detection, hinge hole concentricity test, center distance tolerance test

Applicable Scenarios

Installed on the hinge point of bucket rocker arm, cooperating with linkage for bucket curl and dump. Widely used in quarry, mine, earthwork site and cargo terminal for bulk material handling.

• Machined according to original drawing, accurate hole center distance, direct fit without modification
• Heat-treated alloy steel, high tensile strength and good toughness, resist bending and fatigue fracture
• Precision reamed hinge holes, smooth bore for stable bushing press fit, less play and noise
• Optimized structure for uniform load, reduce stress concentration and crack risk
• Cost-effective single part replacement, no need to replace whole linkage assembly
• Crack inspected before delivery, stable dimension tolerance for bulk stock
• Fully compatible with original pin, bushing and grease nipple, easy service
• Perfect match for ZL50G / ZL50GL working linkage, smooth bucket movement

FAQ 

Q：What symptoms occur when the pull rod is damaged?
A：Excessive bucket play and shaking, impact noise during curl and dump, inaccurate dumping angle and material spillage. In severe cases, the rod deforms and jams, bucket movement loses synchronization, bucket cylinder builds abnormal pressure and vibrates, which reduces loading cycle efficiency.

Q：Does bucket shaking always mean pull rod damage?
A：No. Check pin and bushing wear, rocker arm hole deformation, bucket cylinder internal leakage and linkage clearance first. Confirm rod damage only after eliminating these faults.

Q：Can a slightly bent pull rod be straightened for long-term use?
A：Not recommended. Straightening destroys heat treatment stress and creates invisible micro cracks inside steel. Tensile strength drops greatly, and it may break suddenly under heavy impact. New rod is required for safety.

Q：Can pull rods of different loader models be interchanged?
A：Not interchangeable. Hole distance, plate thickness, mounting angle and load design differ. Wrong fit will cause motion interference, bend bucket cylinder or damage bucket hinge seat.

Q：What should be noted during pull rod installation?
A：Clean sand, burrs and old grease residue from hinge holes. Inspect pins, bushings and dust seals. Align holes and install gently, avoid heavy hammering. Inject grease after assembly and test bucket full stroke for no jamming.

Q：What causes pull rod damage most often?
A：Overloading, heavy impact against hard rock, insufficient lubrication, failed dust seal allowing sand ingress, and continuous operation with excessive hinge clearance.