Overview
The ZF 0730.101.074 SHIM is a precision-engineered OEM genuine part designed to establish exact axial clearances within heavy-duty ZF transmission assemblies. This shim sits between the differential housing and the bearing seat, ensuring that gear mesh patterns remain within factory tolerances under extreme load. The SKU 0730.101.074 is critical for maintaining proper preload on the 0750117075: TAPER ROLLER BEARING, which directly supports the differential assembly. Without this shim, the entire drivetrain can experience misalignment, leading to accelerated wear on surrounding components.
Symptoms of Failure
- Oil leaks from the axle housing: A worn or incorrect shim allows the differential to shift, breaking the seal between the housing and the 2093309078: DIFF.HOUSING, causing lubricant to weep out during operation.
- Gear whine under load: When the shim thickness degrades, the 2093109029: DIFFERENTIAL loses proper backlash, producing a high-pitched whine that intensifies during acceleration or turning.
- Premature bearing failure: Excessive axial play from a collapsed shim overloads the taper roller bearing, leading to pitting and eventual seizure of the 2093209094: DIFFERENTIAL assembly.
- Intermittent gear slipping: Operators may notice a momentary loss of torque transfer when the shim allows the differential to walk out of its intended position under heavy load.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.101.074 |
| Material | Case-hardened steel (DIN 1.7131) |
| Outer Diameter | 92.0 mm |
| Inner Diameter | 72.0 mm |
| Thickness | 1.50 mm |
| Weight | 0.035 kg |
| OEM Reference | ZF 0730.101.074 |
Compatibility
This shim is engineered for ZF heavy-duty transmissions commonly used in construction machinery. It is a direct fit for the following ZF models: WG180, WG200, WG210, and WG250 series. These transmissions are found in wheel loaders, graders, and telehandlers from manufacturers such as Liebherr, Volvo, and Caterpillar. Always verify the shim stack height against the 2097309085: DIFFERENTIAL AXLE to ensure correct preload.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109029 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports differential rotation |
| 2093209094 | DIFFERENTIAL | Secondary differential unit |
| 2093309078 | DIFF.HOUSING | Encloses differential gears |
| 0631100223 | SPRING PIN | Secures shim alignment |
| 0730300820 | THRUST WASHER | Reduces axial friction |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheels |
| 2097309085 | DIFFERENTIAL AXLE | Carries differential assembly |
| 5838300811 | THRUST WASHER | Controls side gear clearance |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Engages with pinion gear |
Frequently Asked Questions
Q: Can I reuse the ZF 0730.101.074 shim during a rebuild?
A: No. This shim is a single-use component because it compresses and work-hardens during initial torque-down. Reusing it will result in incorrect preload and rapid bearing failure.
Q: How do I measure the correct shim thickness for my WG200 transmission?
A: Install the 0750117075: TAPER ROLLER BEARING and torque the housing to spec, then measure the gap with a feeler gauge. Select the shim that brings the clearance to 0.05–0.10 mm.
Q: Will this shim work with aftermarket differential housings?
A: It is designed for OEM 2093309078: DIFF.HOUSING units. Aftermarket castings may have different tolerances, requiring a custom shim stack.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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