Step Axis
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OEM Step Axis 81.48210.0033 precision‑ground for the Shacman X5000 pedal mechanism. This hardened 81.48210.0033 pivot shaft provides the precise bearing surface for clutch and brake pedal rotation, ensuring smooth operation.
Manufactured from case‑hardened alloy steel with a ground surface finish, the Step Axis 81.48210.0033 resists wear and maintains dimensional stability under the cyclical loading of millions of pedal actuations.
Replacing a worn or corroded step axis with the genuine 81.48210.0033 component restores proper pedal feel and eliminates the free play that compromises driver control precision.
| Parameter | Specification |
|---|---|
| OEM Part Number | 81.48210.0033 |
| Product Name | Step Axis |
| Brand / Model | Shacman X5000 |
| Material | Case‑Hardened Alloy Steel with Phosphate Coating |
| Shaft Type | Stepped diameter pivot shaft |
| Major Diameter | Approximately 20.00 mm |
| Minor Diameter | Approximately 16.00 mm |
| Surface Hardness | HRC 55‑60 case depth 0.6‑1.0 mm |
| Surface Finish | Ground, Ra ≤ 0.8 µm |
| Application | Shacman X5000 pedal mechanism pivot shaft |
The 81.48210.0033 step axis serves as the central pivot shaft around which the Shacman X5000 clutch and brake pedals rotate. Its stepped design provides precise shoulder locations for pedal arms and spacer sleeves.
The shaft must maintain a smooth bearing surface for the self‑lubricating pedal bushings while resisting the bending loads applied through the pedal arms during repeated driver actuation cycles.
The Step Axis 81.48210.0033 is retained in the pedal bracket with a locking feature that prevents axial movement, ensuring the pedals remain correctly positioned throughout the assembly’s service life.
The 81.48210.0033 shaft is manufactured from alloy steel and undergoes case hardening to create a hard, wear‑resistant surface while maintaining a tough, ductile core that resists bending and impact loads.
The ground surface finish provides a smooth bearing surface for the pedal bushings, reducing friction and ensuring consistent pedal feel without the stick‑slip that occurs on rough or corroded shaft surfaces.
The 81.48210.0033 step axis installs through the pedal bracket and pedal arm bushings. The stepped shoulders must align correctly with the corresponding components to ensure proper pedal spacing.
A light coating of suitable grease on the shaft surface during assembly ensures smooth initial operation and provides additional corrosion protection before the self‑lubricating bushings establish their running film.
Each production batch of 81.48210.0033 step axes undergoes dimensional inspection using laser micrometers to verify diameters, shoulder positions, and overall length against engineering specifications.
Hardness testing confirms both surface hardness and effective case depth meet requirements. The phosphate coating provides corrosion protection and helps retain lubrication on the surface.
Excessive pedal side play indicates that the 81.48210.0033 shaft or its mating bushings have worn beyond acceptable limits. Grooving or scoring on the shaft surface confirms abrasive wear.
A clicking or popping sensation during pedal travel may indicate that a worn shaft is allowing the pedal arms to shift axially, contacting adjacent components within the pedal mechanism.
During pedal mechanism service, the step axis should be inspected for wear, corrosion, or bending. Any visible damage warrants replacement to restore proper pedal operation and driver control.
The 81.48210.0033 step axis is specifically dimensioned for the Shacman X5000 pedal mechanism configuration, with shoulder positions and diameters matching the factory pedal assembly layout exactly.
Fleet workshops should inspect the step axis whenever pedal bushings are replaced, replacing the shaft if wear is evident to ensure the new bushings operate on a smooth, properly dimensioned surface.
Aftermarket step axes with incorrect dimensions or hardness can cause rapid bushing wear. We supply only the authentic Shacman X5000 Step Axis 81.48210.0033 built to OEM specifications.
Each shaft is individually packaged with protective coating. The part number 81.48210.0033 is clearly printed on the packaging for immediate identification.
Our international logistics network ensures genuine 81.48210.0033 step axes are available for dispatch to dealerships and fleet facilities worldwide.
Single step axis shaft with phosphate coating. Ready for installation into the pedal mechanism assembly.
Expert guidance on step axis installation and pedal mechanism assembly. We help ensure your 81.48210.0033 shaft provides smooth pivot function.
For current stock availability on the genuine Step Axis 81.48210.0033, please use the contact buttons above.
