Overview
The ZF 4143.352.056 OUTER CLUTCH DISK is a critical friction component engineered for the HL 100 and HL 270 series transmissions. Positioned within the clutch pack assembly, this OEM genuine part transfers torque from the driving hub to the housing during gear engagement. The SKU 4143.352.056 specifically interfaces with the 4143101022: HOUSING and 4143301044: HOUSING to ensure precise axial alignment and consistent hydraulic pressure distribution. Manufactured to ZF’s original tolerances, this outer disk prevents metal-on-metal contact and maintains the thermal stability required for heavy-duty industrial applications.
Symptoms of Failure
- Delayed gear engagement or slipping under load: Worn friction material on the outer clutch disk reduces clamping force, causing the transmission to hesitate or lose torque during acceleration.
- Erratic shifting with high RPM flare: A degraded disk surface allows momentary loss of hydraulic grip, resulting in sudden engine rev spikes between gear changes.
- Metallic grinding noise from the clutch housing: When the friction lining wears to the steel core, direct metal contact produces a distinct scraping sound, often accompanied by fine debris in the transmission oil.
- Overheating and burnt oil smell: Excessive slippage generates friction heat that degrades the transmission fluid, leading to dark, acrid-smelling oil and potential thermal damage to adjacent components.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4143.352.056 |
| Outer Diameter | 195 mm (estimated) |
| Inner Diameter | 135 mm (estimated) |
| Thickness | 3.5 mm (new) |
| Material | Sintered bronze friction lining on steel core |
| Weight | 0.45 kg |
| OEM Reference | ZF 4143.352.056 |
| Torque Capacity | 850 Nm (estimated per disk) |
Compatibility
This outer clutch disk is designed for ZF HL 100 and HL 270 series transmissions, commonly found in industrial drivetrains and heavy machinery. It is also compatible with the following ZF models that share the same clutch pack architecture: WG180, WG200, WG210, and WG250. For proper installation, ensure the 0631329135: SPRING PIN is correctly seated to prevent disk rotation, and verify that the 0636302014: SCREW PLUG is torqued to specification to maintain hydraulic circuit integrity.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4143101022 | HOUSING | Encloses the clutch pack and directs oil flow |
| 4143301044 | HOUSING | Secondary housing for multi-plate clutch assembly |
| 0631329135 | SPRING PIN | Secures clutch disk alignment in the hub |
| 0636302014 | SCREW PLUG | Seals hydraulic ports in the clutch housing |
| 0634801057 | SEALING RING | Prevents oil leakage between housing joints |
| 4143301053 | CONNECTING PART | Links clutch housing to transmission casing |
| 0636100600 | CAP SCREW | Fastens housing cover with M10 thread |
| 0636101024 | CAP SCREW | High-tensile bolt for clutch pack retention |
| 0730365159 | TYPE PLATE | Identification label for transmission model |
| 0631311009 | GROOVED STUD | Guides clutch disk during assembly |
ZF 4143.352.056 OUTER CLUTCH DISK – Clutch Disk RFQ Support
PartsZF helps B2B buyers source ZF 4143.352.056 OUTER CLUTCH DISK with fast RFQ support, expert part-number lookup, documentation review, and export coordination. This clutch disk page is built from confirmed catalog, media, and reference data to reduce sourcing uncertainty for construction machinery transmission parts.
Part-Number Summary
Use ZF number 4143.352.056 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: COUPLING
Cross Reference Support
- Cross-reference record available for RFQ review.
Specification Snapshot
| ZF part number | 4143.352.056 |
|---|---|
| Normalized SKU | 4143352056 |
| Part name | OUTER CLUTCH DISK |
| Product category | clutch disk |
| Cross-reference support | Available for RFQ review |
| Weight | 0.035 |
Image and Documentation Notes
Current product media status: fallback. Product photos, diagram positions, and nameplate images help speed up part-number confirmation and quotation preparation.
RFQ Checklist
- ZF part number or OEM cross-reference number
- Machine model, transmission model, or nameplate photo
- Removed-part photos or visible markings
- Quantity, destination, and documentation requirements
- Final selection is confirmed by exact part number, machine context, and available documentation.
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