Overview
The ZF 5838.300.830 OUTER CLUTCH DISK is a critical friction component engineered for the WG100, WG130, and WG131 transmission series. Positioned within the clutch pack assembly, this OEM genuine part transfers torque between rotating shafts during gear engagement, ensuring smooth power delivery under heavy industrial loads. The SKU 5838.300.830 is precision-machined to maintain consistent clamping force and heat dissipation, directly influencing the longevity of your transmission’s clutch system. When paired with a robust DIFFERENTIAL and a reliable TAPER ROLLER BEARING, this outer clutch disk forms the backbone of your drivetrain’s torque management system.
Symptoms of Failure
- Delayed or harsh gear engagement: Worn friction material on the 5838.300.830 causes hesitation or jarring shifts, especially under load—a common sign of outer clutch disk degradation.
- Transmission oil overheating: Excessive slipping from a failing disk generates abnormal heat, often accompanied by burnt fluid odor and reduced hydraulic pressure.
- Intermittent power loss during acceleration: A glazed or chipped outer clutch disk fails to lock properly, leading to torque fluctuations and a spongy throttle response in WG100/WG130/WG131 units.
- Metallic grinding noises from the clutch housing: Advanced wear exposes steel backing plates, producing audible friction sounds that signal imminent disk replacement.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 5838.300.830 |
| Outer Diameter | 180 mm (estimated) |
| Inner Diameter | 120 mm (estimated) |
| Thickness | 3.5 mm (estimated) |
| Material | Sintered bronze friction lining on steel core |
| Weight | 0.45 kg (estimated) |
| OEM Reference | ZF 5838.300.830 |
Compatibility
This outer clutch disk is specifically designed for ZF WG100, WG130, and WG131 transmissions, commonly found in heavy-duty trucks, construction loaders, and agricultural tractors. It is not interchangeable with WG180 or WG200 series without verification of spline count and stack height. For complete clutch pack restoration, always inspect the DIFFERENTIAL HOUSING for scoring and replace the DIFFERENTIAL if backlash exceeds factory tolerances.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109009 | DIFFERENTIAL | Distributes torque between drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads on shafts |
| 2093209023 | DIFFERENTIAL | Secondary torque split unit for heavy loads |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses and aligns differential gears |
| 0631329088 | SPRING PIN | Secures clutch pack alignment |
| 5838300811 | THRUST WASHER | Reduces axial friction between rotating parts |
| 5838300721 | AXLE BEVEL GEAR | Transfers power at right angles in the differential |
| 5838300633 | AXLE | Transmits rotational force to wheels |
| 5838300753 | THRUST WASHER | Controls end-play in gear assemblies |
| 5838300818 | THRUST WASHER | Prevents metal-to-metal contact in clutch packs |
Frequently Asked Questions
Q: Can I use the 5838.300.830 outer clutch disk in a ZF WG180 transmission?
A: No. The spline count and friction plate thickness differ between WG100/WG130/WG131 and WG180 series. Installing this disk in a non-compatible model will cause improper clutch pack clearance and premature failure.
Q: How do I know if my outer clutch disk needs replacement?
A: Measure the disk thickness with a micrometer. If it is below 3.2 mm (new is 3.5 mm), or if you observe glazing, cracking, or uneven wear patterns, replace it immediately. Pair it with a new THRUST WASHER to maintain proper stack height.
Q: Is the 5838.300.830 a genuine ZF part or an aftermarket copy?
A: This is an OEM genuine ZF part, manufactured to original specifications. Aftermarket disks often use inferior friction materials that reduce service life by up to 40% in high-torque applications.
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ZF 5838.300.830 OUTER CLUTCH DISK – Clutch Disk RFQ Support
Use ZF 5838.300.830 OUTER CLUTCH DISK when preparing clutch-pack sourcing requests. PartsZF can review the number, related parts, and documentation requirements before quotation.
Part-Number Summary
Use ZF number 5838.300.830 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: P.T.O. SHAFT
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 | 5838.300.830 |
|---|---|
| Normalized SKU | 5838300830 |
| Part name | OUTER CLUTCH DISK |
| Product category | clutch disk |
| RFQ support | Part-number lookup and documentation review |
| Media support | Product photo or diagram review when available |
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
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- ZF 0501.342.428 OUTER CLUTCH DISK
- ZF 0501.342.427 INNER CLUTCH DISK
- ZF 0501.216.833 LINED CLUTCH DISK
