Overview
The ZF 5838.300.269 CLAMP is a critical retention component engineered for heavy-duty construction machinery transmissions. This OEM genuine part secures internal shafts and gear assemblies within the differential housing, preventing axial movement that can lead to catastrophic drivetrain failure. Positioned directly against the bearing race and differential assembly, the clamp (SKU: 5838.300.269) ensures precise preload is maintained under extreme torque loads. When replacing this clamp, it is standard practice to also inspect the 5838109012: DIFFERENTIAL for wear patterns, as both components share the same load path.
Symptoms of Failure
- Oil seepage at the axle housing interface: A worn or fatigued 5838.300.269 clamp cannot maintain proper seal compression, leading to visible transmission fluid leaks around the differential housing flange.
- Intermittent gear slipping under load: When the clamp loses its grip, the 0750117075: TAPER ROLLER BEARING can shift, causing momentary loss of power transfer during excavation or grading operations.
- Metallic grinding noises from the transmission center: A loose clamp allows the 2093209023: DIFFERENTIAL to contact the housing, producing distinct scraping sounds that worsen with vehicle speed.
- Increased backlash in the driveline: As the clamp fatigues, rotational play develops between the axle and differential, causing a noticeable clunk when shifting between forward and reverse.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 5838.300.269 |
| Material | High-tensile spring steel (C67S grade) |
| Inner Diameter | 38.0 mm |
| Outer Diameter | 52.5 mm |
| Thickness | 2.5 mm |
| Weight | 0.045 kg |
| OEM Reference | ZF 5838.300.269 |
| Surface Treatment | Zinc-nickel plated (DIN 50961) |
Compatibility
This clamp is designed for ZF powershift transmissions commonly found in wheel loaders, graders, and telehandlers. It is a direct fit for the following transmission models: ZF WG180, ZF WG200, ZF 4WG-200, and ZF 6WG-260. The 5838.300.269 also interfaces with the 5838300626: DIFFERENTIAL HOUSING used in these series. Always verify the housing bore diameter before installation, as late-model WG200 variants may require a different clamp profile.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports differential rotational loads |
| 2093209023 | DIFFERENTIAL | Secondary differential for planetary axles |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gear set |
| 0631329088 | SPRING PIN | Secures clamp alignment |
| 5838300811 | THRUST WASHER | Controls axial clearance |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 5838300633 | AXLE | Drives wheel rotation |
| 5838300753 | THRUST WASHER | Reduces gear face friction |
| 5838300818 | THRUST WASHER | Adjusts differential preload |
Frequently Asked Questions
Q: Can I reuse the 5838.300.269 clamp after disassembly?
A: No. This is a single-use spring clamp that loses its tension after removal. Always install a new OEM clamp to maintain proper preload on the taper roller bearing and differential assembly.
Q: What torque should be applied to the clamp retaining bolt?
A: The clamp itself does not use a bolt; it is a press-fit retention ring. However, the differential housing cover bolts should be torqued to 85 Nm (63 ft-lbs) when reassembling with this part.
Q: Does this clamp fit the ZF 4WG-310 transmission?
A: No. The 5838.300.269 is designed for WG180 and WG200 series only. The 4WG-310 uses a larger 42mm clamp (part number 5838.300.312).
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