Overview
The ZF 0501.341.146 CASSETTE RING is a precision-engineered internal component designed to secure and align bearing assemblies within the clutch drum or planetary gear set of heavy-duty ZF transmissions. This OEM genuine part, identified by SKU 0501.341.146, functions as a critical retention and spacing element, preventing axial movement of rotating components under high torque loads. Commonly found in construction machinery transmissions, this cassette ring ensures that the clutch pack and planetary gears maintain correct end-play tolerances. During a full rebuild, it is often replaced alongside the 4699301254: HOUSING to guarantee a precise fit within the transmission casing.
Symptoms of Failure
When the ZF 0501.341.146 cassette ring wears or cracks, operators will notice distinct performance issues. Look for these specific failure symptoms:
- Transmission gear slipping under load – A worn cassette ring allows the clutch drum to shift axially, causing intermittent power loss during excavation or grading.
- Metallic grinding noise from the bell housing – As the ring loses its dimensional integrity, it can contact the 4699101159: HOUSING, creating a distinct scraping sound at idle.
- Increased end-play in the output shaft – Excessive axial movement of the planetary carrier indicates the cassette ring is no longer providing proper thrust retention.
- Contaminated transmission fluid with metallic particles – Flaking or spalling of the ring surface introduces steel debris into the hydraulic circuit.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0501.341.146 |
| Type | Cassette Ring (Snap/Retaining Ring) |
| Outer Diameter | 146 mm (estimated) |
| Inner Diameter | 130 mm (estimated) |
| Thickness | 3.5 mm (estimated) |
| Material | Case-hardened spring steel (DIN 17222) |
| Weight | 0.12 kg (estimated) |
| OEM Reference | ZF 0501.341.146 |
| Surface Treatment | Phosphate coating for corrosion resistance |
Compatibility
This cassette ring is engineered for use in ZF heavy-duty powershift transmissions commonly deployed in construction machinery. Based on its design and dimensions, the 0501.341.146 is compatible with the following ZF transmission models:
- ZF WG180 (Wheel Loader series)
- ZF WG200 (Wheel Loader series)
- ZF 4WG-200 (Ergopower series)
- ZF 6WG-250 (Ergopower series)
During installation, it is critical to inspect the mating 4699298049: HOUSING KIT for wear, as a damaged housing can compromise the ring’s seating. Additionally, the 4699309123: HOUSING COVER should be checked for distortion to ensure proper clamping force on the cassette ring.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101159 | HOUSING | Main transmission casing section |
| 4699301254 | HOUSING | Intermediate housing for clutch pack |
| 4699298049 | HOUSING KIT | Complete housing assembly with seals |
| 4699309123 | HOUSING COVER | End cover for transmission housing |
| 0636104255 | CAP SCREW | Fastener for housing sections |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel for housing |
| 0636302013 | SCREW PLUG | Oil drain/fill port plug |
| 0501331653 | SCREW PLUG | Pressure test port plug |
| 0634801038 | SEALING RING | O-ring for housing joints |
| 0637885613 | BREATHER | Pressure equalization valve |
