Overview
This OEM genuine ZF 0501.335.465 SUPPORT RING is a critical structural component engineered for heavy-duty construction machinery transmissions. Positioned within the planetary gear set assembly, this precision-machined ring provides axial support and maintains correct gear alignment under extreme torque loads. The SKU 0501.335.465 serves as a load-bearing interface that prevents lateral displacement of rotating elements, ensuring consistent power delivery from the transmission to the driveline. Manufactured to ZF’s original specifications, this support ring directly replaces worn components to restore factory tolerances and extend transmission service life in demanding earthmoving equipment.
Symptoms of Failure
When the ZF 0501.335.465 support ring deteriorates, operators will notice distinct performance degradation. Watch for these specific failure indicators:
- Transmission gear slippage under load: Worn support rings allow planetary gears to shift out of alignment, causing intermittent power loss when excavating or grading.
- Metallic grinding noise from transmission housing: A failing ring permits metal-on-metal contact between gear sets, producing a distinct scraping sound during gear changes.
- Premature bearing wear and radial play: Degraded support surfaces accelerate bearing fatigue, detectable as excessive shaft movement during routine maintenance inspections.
- Hydraulic fluid contamination with metallic particles: As the ring wears, microscopic steel fragments circulate through the transmission fluid, visible during oil analysis.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0501.335.465 |
| Outer Diameter | 185.0 mm (7.28 in) |
| Inner Diameter | 142.5 mm (5.61 in) |
| Thickness | 12.0 mm (0.47 in) |
| Material | Case-hardened alloy steel (16MnCr5) |
| Surface Hardness | 58-62 HRC |
| Weight | 0.85 kg (1.87 lbs) |
| OEM Reference | ZF 0501.335.465 |
Compatibility
This support ring is designed for integration into ZF’s modular transmission families commonly deployed in construction machinery. Verified compatible models include:
- ZF WG180 series (WG180, WG180C, WG180D)
- ZF WG200 series (WG200, WG200C, WG200D)
- ZF WG120 series (WG120, WG120C)
- ZF WG150 series (WG150, WG150C)
- ZF 4WG-200 and 4WG-180 variants
Always cross-reference your transmission serial number with the OEM parts catalog to confirm exact fitment before installation.
Part details
ZF part number: 0501335465
Part name: SUPPORT RING
Related part numbers
- Third-party reference: TP1 12254946
- Third-party reference: TP1 T197952
- Third-party reference: TP1 ZGAQ-00642
Parts diagrams
Please contact us to confirm fitment and interchange for your specific application.
