Overview
The ZF 5838.300.137 OUTER CLUTCH DISK is a critical friction component engineered for the WG100, WG130, and WG131 series powershift transmissions. This OEM genuine part sits within the clutch pack assembly, where it transfers torque from the driving hub to the driven drum under hydraulic pressure. Designed to withstand high thermal loads and repetitive engagement cycles, the 5838.300.137 ensures precise gear engagement and smooth power delivery in heavy-duty industrial applications. When paired with the 5838300138: INNER CLUTCH DISK, this outer disk completes the friction interface necessary for reliable clutch operation.
Symptoms of Failure
- Transmission gear slipping under load: Worn outer clutch disks lose their friction coefficient, causing the transmission to slip when torque is applied, especially during uphill climbs or heavy hauling.
- Delayed or harsh gear engagement: As the 5838.300.137 wears, you may notice a lag between shifting and actual engagement, or a jarring “clunk” as the clutch pack finally catches.
- Darkened or burnt transmission fluid: Excessive heat from a failing clutch disk degrades the ATF, producing a burnt smell and dark discoloration visible on the dipstick.
- Intermittent loss of drive in specific gears: A worn outer disk can cause one or more gears to fail intermittently, often mistaken for valve body issues.
Technical Specifications
| Part Number | 5838.300.137 |
| Type | Outer Clutch Disk (Friction Plate) |
| Outer Diameter | Approx. 180 mm |
| Inner Diameter | Approx. 120 mm |
| Thickness | 2.5 mm (new) |
| Material | Steel core with sintered bronze friction lining |
| Weight | 0.35 kg |
| OEM Reference | ZF 5838.300.137 |
| Quantity per Pack | 1 (sold individually) |
Compatibility
This outer clutch disk is specifically designed for ZF WG100, WG130, and WG131 transmissions. It is also compatible with select WG180 and WG200 variants that share the same clutch pack architecture. Always verify your transmission model and clutch pack stack height before installation. For complete clutch pack rebuilds, consider replacing the 5838300817: THRUST WASHER and 5838300682: DIFFERENTIAL AXLE simultaneously to ensure even wear patterns.
During assembly, the 5838.300.137 interfaces directly with the 5838109007: DIFFERENTIAL and the 0750117075: TAPER ROLLER BEARING to maintain proper axial clearance. The 2095209019: DIFFERENTIAL and 0631329086: SPRING PIN are also commonly replaced during the same service interval to prevent premature failure of the new clutch disk.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109007 | Differential | Distributes torque to drive axles |
| 0750117075 | Taper Roller Bearing | Supports rotating shafts under load |
| 2095209019 | Differential | Torque distribution assembly |
| 0631329086 | Spring Pin | Secures components in clutch pack |
| 5838300817 | Thrust Washer | Controls axial end play |
| 5838300682 | Differential Axle | Transfers power to wheel ends |
| 5838300811 | Thrust Washer | Reduces friction between rotating parts |
| 5841302064 | Thrust Washer | Wear surface for clutch pack |
| 5838300138 | Inner Clutch Disk | Mates with outer disk for friction |
| 2095309052 | Crown Wheel | Ring gear for final drive |
ZF 5838.300.137 OUTER CLUTCH DISK – Clutch Disk RFQ Support
PartsZF helps B2B buyers source ZF 5838.300.137 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 5838.300.137 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: DIFFERENTIAL
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 | 5838.300.137 |
|---|---|
| Normalized SKU | 5838300137 |
| 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.
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