Overview
The ZF 2099.298.092 LIFTING SHAFT is a critical OEM genuine component engineered for the WG100, WG130, and WG131 transmission series. This precision-machined shaft serves as the mechanical interface within the transmission’s gear train, facilitating the vertical displacement required for gear selection and load distribution. Positioned within the main housing assembly, the SKU 2099.298.092 works in concert with the 2098117002: HOUSING to ensure proper alignment and torque transfer. Manufactured to ZF’s exacting tolerances, this lifting shaft is essential for maintaining the structural integrity of the shift mechanism under heavy-duty industrial loads.
Symptoms of Failure
When the ZF 2099.298.092 LIFTING SHAFT begins to wear, operators may notice several distinct failure modes. First, erratic gear engagement or “gear slipping” occurs as the shaft loses its precise lift capability, causing intermittent disengagement under load. Second, hydraulic fluid seepage around the shaft seal becomes evident, often leaving oil residue on the transmission exterior. Third, abnormal metallic grinding noises during gear changes indicate surface wear or micro-fractures on the shaft body. Fourth, increased shift effort or “sticky” lever operation suggests the shaft is binding within its bore, a symptom that can escalate to complete shift lockout if ignored.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number (SKU) | 2099.298.092 |
| OEM Reference | ZF 2099.298.092 |
| Material | Case-hardened alloy steel (16MnCr5) |
| Overall Length | 245 mm ± 0.5 mm |
| Outer Diameter | 32 mm (shaft body) |
| Weight | 1.85 kg |
| Surface Finish | Ground & polished (Ra 0.4 µm) |
| Hardness | 58-62 HRC (case depth 0.8 mm) |
| Thread Type | M10 x 1.5 (both ends) |
Compatibility
This ZF 2099.298.092 LIFTING SHAFT is specifically validated for the following ZF transmission models: WG100, WG130, and WG131. It is also mechanically compatible with the WG180 and WG200 series when used in conjunction with the 2098301052: REAR AXLE HOUS. and appropriate 0636103300: STUD fasteners. For secure mounting, always pair this shaft with the 0637101164: HEXAGON NUT to achieve the specified torque of 45 Nm. Do not substitute with aftermarket shafts, as variations in lift height can damage the shift fork assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2098117002 | HOUSING | Encloses and supports the lifting shaft assembly |
| 2098301052 | REAR AXLE HOUS. | Houses the rear output shaft and differential |
| 0636103300 | STUD | Threaded fastener for housing alignment |
| 0637101164 | HEXAGON NUT | Secures studs and shaft end caps |
| 0636102566 | STUD | Longer stud for deep housing bores |
| 0636100960 | STUD | Short stud for cover plate retention |
| 0637101167 | HEXAGON NUT | Lock nut for vibration resistance |
| 0634303044 | O-RING | Seals shaft bore against fluid leaks |
| 2098317013 | BRAKE HOUSING | Holds parking brake mechanism |
| 2098317028 | BRAKE HOUSING | Alternate brake housing for WG130 |
Authorized ZF Distributor
We are a certified supplier of genuine ZF components.
