Overview
The ZF 2093.298.092 SPLITTER GROUP is a critical sub-assembly within the ZF powershift transmission architecture, specifically engineered to manage torque distribution between the main gearbox and the range-change section. This OEM genuine part, identified by SKU 2093.298.092, functions as the mechanical interface that splits engine power into high and low ratio paths, enabling smooth directional shifts under heavy load. Positioned directly between the torque converter housing and the main drive shaft, this splitter group ensures precise engagement of planetary gears during construction machinery operations. When paired with the 2093109023: DIFFERENTIAL, it forms the core of the drivetrain’s load-sharing capability, while the 0750117075: TAPER ROLLER BEARING supports its axial loads during high-torque events.
Symptoms of Failure
- Delayed or harsh splitter engagement – When the 2093.298.092 unit wears, operators experience a noticeable lag or clunk when shifting between high and low ranges, often misdiagnosed as transmission slipping.
- Intermittent loss of drive in specific gear ranges – A failing splitter group can cause the machine to lose power exclusively in the low or high range, while the opposite range remains functional, indicating internal clutch pack or synchronizer wear.
- Metallic debris in transmission fluid – Worn splines or broken shift forks within the splitter group shed ferrous particles into the oil, detectable during routine fluid analysis or when draining the sump.
- Audible grinding during range changes – A high-pitched grinding noise when shifting between splitter positions signals damaged gear teeth or failed thrust washers, often accompanied by vibration through the chassis.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 2093.298.092 |
| Assembly Type | Splitter Group (Clutch & Gear Pack) |
| Housing Material | High-Grade Cast Iron (GGG-40) |
| Weight (approx.) | 14.2 kg (31.3 lbs) |
| Overall Diameter | 210 mm |
| Spline Count (Input) | 24-tooth involute spline |
| Max Torque Capacity | 2,800 Nm |
| Operating Temperature Range | -20°C to +120°C |
| OEM Reference | ZF 2093.298.092 (Genuine) |
Compatibility
This OEM splitter group is designed for integration into ZF’s heavy-duty powershift transmission series, primarily the WG180, WG200, and WG210 models. It is also compatible with select WG150 variants used in wheel loaders and graders. The assembly directly interfaces with the 2093209096: DIFFERENTIAL for final drive distribution and mounts within the 2093309073: DIFF.HOUSING for structural support. Always verify transmission serial numbers before installation, as minor spline variations exist between early and late production runs.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109023 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads |
| 2093209096 | DIFFERENTIAL | Secondary torque split for planetary gears |
| 2093309073 | DIFF.HOUSING | Encloses differential assembly |
| 0631100223 | SPRING PIN | Secures shift fork alignment |
| 0730300820 | THRUST WASHER | Reduces axial end-play |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to final drive |
| 5838300811 | THRUST WASHER | Controls gear clearance |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Meshes with axle bevel gear |
Frequently Asked Questions
Q: Can the ZF 2093.298.092 splitter group be rebuilt, or must it be replaced entirely?
A: While individual clutch discs and seals inside the splitter group are serviceable, the OEM genuine assembly is factory-balanced and pressure-tested. For construction machinery operating under extreme loads, full replacement of the 2093.298.092 unit is recommended to avoid premature failure of worn internal components.
Q: How do I know if my WG200 transmission needs this splitter group versus a different part?
A: If your machine exhibits range-shift hesitation only in the splitter positions (high/low) but shifts smoothly between forward/reverse, the issue is isolated to this assembly. Always cross-reference the part number stamped on the housing—2093.298.092 is specific to the splitter, not the main clutch pack.
Q: What torque specification should be used when installing the 2093.298.092?
A: The mounting bolts for the splitter group to the transmission case require 85 Nm (63 ft-lbs) for M12 fasteners, applied in a cross-pattern sequence. Using the 0631100223: SPRING PIN ensures correct alignment during torque-down.
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