Overview
The ZF 4143.351.083 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 between rotating shafts under hydraulic pressure, enabling smooth gear engagement and disengagement. The SKU 4143.351.083 is precision-machined to withstand high thermal loads and repetitive cycling, ensuring consistent power delivery in heavy-duty industrial applications. This outer disk works in concert with the 4143101025: HOUSING and the 4143301055: HOUSING to maintain proper alignment within the transmission drum, while the 4143298040: CASE provides structural integrity for the entire clutch assembly.
Symptoms of Failure
- Erratic gear engagement or slipping under load: Worn friction material on the outer clutch disk reduces clamping force, causing the transmission to slip during acceleration or when carrying heavy loads. This is a common “clutch slipping when hot” issue in HL 270 units.
- Delayed shifting or harsh engagement: As the disk wears unevenly, hydraulic pressure cannot build properly, leading to “transmission shuddering on takeoff” or delayed shifts between forward and reverse.
- Metallic debris in transmission fluid: Advanced wear of the 4143.351.083 outer clutch disk produces fine metal particles, often detected during routine oil changes. This “clutch material in transmission pan” symptom signals imminent failure.
- Overheating and burnt fluid smell: Slipping friction generates excessive heat, causing the transmission fluid to degrade and emit a burnt odor—a classic “transmission overheating under load” indicator.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4143.351.083 |
| Outer Diameter | 180 mm (estimated) |
| Inner Diameter | 120 mm (estimated) |
| Thickness | 3.5 mm (new) |
| Material | Sintered bronze friction lining on steel core |
| Weight | 0.45 kg |
| OEM Reference | ZF 4143.351.083 |
| Friction Coefficient | 0.12–0.14 (wet) |
Compatibility
This outer clutch disk is specifically designed for ZF HL 100 and HL 270 series transmissions, commonly found in industrial forklifts, wheel loaders, and heavy-duty material handling equipment. It is also compatible with select WG180 and WG200 models that share the same clutch pack architecture. Always verify fitment by cross-referencing the 0631329135: SPRING PIN alignment holes in your existing assembly. For complete clutch rebuilds, pair this disk with the 4143101025: HOUSING and 4143301055: HOUSING to ensure proper piston travel and oil flow.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4143101025 | HOUSING | Encloses clutch pack and directs oil flow |
| 4143301055 | HOUSING | Supports piston and spring assembly |
| 4143298040 | CASE | Main structural shell for transmission |
| 0631329135 | SPRING PIN | Secures clutch pack alignment |
| 0501337904 | SPEED SENSOR | Monitors output shaft RPM |
| 0636101024 | CAP SCREW | Fastens housing components |
| 4475280099 | SCREW PLUG | Seals hydraulic passages |
| 0634303266 | O-RING | Prevents fluid leaks at joints |
| 0501200072 | VENT VALVE | Relieves internal pressure |
| 4475280015 | SCREW PLUG | Oil drain port seal |
ZF 4143.351.083 OUTER CLUTCH DISK – Clutch Disk RFQ Support
PartsZF helps B2B buyers source ZF 4143.351.083 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 4143.351.083 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: MULTIDISK BRAKE
Cross Reference Support
If you have an OEM number, old supplier number, or visible marking, include it with your RFQ so PartsZF can compare it with the available records.
Specification Snapshot
| ZF part number | 4143.351.083 |
|---|---|
| Normalized SKU | 4143351083 |
| Part name | OUTER CLUTCH DISK |
| Product category | clutch disk |
| Cross-reference support | Available for RFQ review |
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.
Related Parts
- ZF 4646.351.182 INNER CLUTCH DISK
- ZF 2093.359.051 INNER CLUTCH DISK
- ZF 0501.313.598 OUTER CLUTCH DISK
- ZF 4661.351.003 OUTER CLUTCH DISK
- ZF 0501.228.272 INNER CLUTCH DISK
