Overview
The ZF 0501.007.514 SYNCHRONIZER is a precision-machined OEM genuine component designed to facilitate smooth gear engagement within heavy-duty construction machinery transmissions. This synchronizer sits directly on the main shaft assembly, acting as a friction clutch that matches rotational speeds between gears before locking them into place. By reducing shift shock and preventing gear clash, the 0501.007.514 ensures reliable power transfer under high-torque conditions. When paired with a 5838109007: DIFFERENTIAL and a 0750117075: TAPER ROLLER BEARING, this synchronizer forms the core of a robust drivetrain assembly.
Symptoms of Failure
- Grinding or clashing noises during gear shifts — Worn synchronizer rings fail to equalize shaft speeds, causing audible metal-on-metal contact when engaging gears.
- Hard shifting or gear lockout — Operators may experience resistance or inability to engage specific gears, particularly under load, due to degraded synchronizer hub teeth.
- Transmission jumping out of gear — A worn 0501.007.514 can no longer hold the gear in position, leading to unexpected disengagement during operation.
- Metallic debris in transmission fluid — Friction material from the synchronizer cone wears away, contaminating the oil and accelerating damage to adjacent components like the 2095209019: DIFFERENTIAL.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number (SKU) | 0501.007.514 |
| Material | Case-hardened steel with sintered bronze friction cone |
| Outer Diameter | 185 mm (estimated) |
| Inner Diameter | 120 mm (estimated) |
| Thickness | 38 mm (estimated) |
| Weight | 2.4 kg (estimated) |
| OEM Reference | ZF 0501.007.514 |
| Hardness | HRC 58-62 (cone surface) |
Compatibility
This OEM genuine synchronizer is engineered for ZF heavy-duty powershift transmissions commonly used in construction machinery. Based on its design and spline configuration, the 0501.007.514 is compatible with the following ZF transmission models:
- ZF WG180
- ZF WG200
- ZF WG210
- ZF WG250 (early variants)
Always verify your transmission serial number before ordering. For complete drivetrain rebuilds, consider inspecting the 0631329086: SPRING PIN that secures the shift fork to the synchronizer sleeve.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109007 | DIFFERENTIAL | Distributes torque between axles |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads on shafts |
| 2095209019 | DIFFERENTIAL | Secondary torque distribution unit |
| 0631329086 | SPRING PIN | Secures shift fork to synchronizer sleeve |
| 5838300817 | THRUST WASHER | Controls axial clearance in gear sets |
| 5838300682 | DIFFERENTIAL AXLE | Transfers rotational force to wheel hubs |
| 5838300811 | THRUST WASHER | Reduces friction between rotating components |
| 5841302064 | THRUST WASHER | Prevents axial movement in planetary gears |
| 5838300137 | OUTER CLUTCH DISK | Provides friction surface for clutch packs |
| 5838300138 | INNER CLUTCH DISK | Steel plate for clutch engagement |
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