Overview
The ZF 0501.007.516 SYNCHRONIZER is a critical internal component engineered for smooth gear engagement within heavy-duty construction machinery transmissions. This OEM genuine part ensures precise synchronization of shaft speeds during shifting, reducing wear on adjacent drivetrain elements. Positioned directly within the transmission’s gear cluster, the SKU 0501.007.516 synchronizer facilitates seamless power transfer under high torque loads. For optimal assembly integrity, this synchronizer is often installed alongside the 5838109012: DIFFERENTIAL and the 0750117075: TAPER ROLLER BEARING, which support rotational stability and load distribution.
Symptoms of Failure
When the ZF 0501.007.516 synchronizer begins to degrade, operators may notice specific performance issues. Common failure symptoms include:
- Gear grinding or clashing during shifts – A distinct metallic noise when engaging gears, indicating worn synchronizer rings.
- Hard shifting or gear lockout – Difficulty moving the gear lever into position, often caused by insufficient synchronization.
- Transmission jumping out of gear – Unexpected disengagement under load, a sign of damaged synchronizer teeth.
- Delayed engagement after clutch release – A lag in power delivery, suggesting the synchronizer cannot match speeds quickly.
These issues often escalate if the 2093209023: DIFFERENTIAL or the 5838300626: DIFFERENTIAL HOUSING are also compromised, as they share load paths within the axle assembly.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 0501.007.516 |
| Material | Hardened steel alloy with brass synchronizer ring |
| Weight | 1.2 kg (approx.) |
| Outer Diameter | 95 mm |
| Inner Diameter | 45 mm |
| Height | 28 mm |
| OEM Reference | ZF 0501.007.516 |
Compatibility
This synchronizer is designed for ZF heavy-duty transmissions commonly used in construction machinery. It is compatible with the following ZF transmission models: WG180, WG200, WG210, and WG250 series. These transmissions are found in wheel loaders, graders, and dump trucks. For complete drivetrain restoration, consider pairing this part with the 0631329088: SPRING PIN and the 5838300811: THRUST WASHER to ensure proper alignment and axial clearance.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads |
| 2093209023 | DIFFERENTIAL | Enables speed difference between axles |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gears |
| 0631329088 | SPRING PIN | Secures synchronizer components |
| 5838300811 | THRUST WASHER | Reduces axial friction |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 5838300633 | AXLE | Transmits rotational force |
| 5838300753 | THRUST WASHER | Controls axial play |
| 5838300818 | THRUST WASHER | Minimizes gear end-wear |
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