Overview
This OEM genuine ZF 2093.099.009 T 7229 L component is a precision-engineered internal gear or shaft assembly designed for heavy-duty construction machinery transmissions. It resides within the differential and final drive section of ZF power shift transmissions, where it manages torque distribution and rotational stability under extreme loads. The SKU 2093.099.009 is a factory-original part, ensuring exact fitment and metallurgical integrity for demanding off-highway applications. When installed alongside a 2093109003: DIFFERENTIAL and the 2093309073: DIFF.HOUSING, this part forms the core load-bearing path for the axle assembly.
Symptoms of Failure
When the ZF 2093.099.009 begins to degrade, operators often notice intermittent gear slippage under load during grading or digging cycles. A second common indicator is low-speed driveline chatter accompanied by metallic debris in the transmission oil filter. Third, erratic wheel lock-up during deceleration may occur as internal clearances exceed factory tolerances. Finally, persistent oil seepage from the axle housing breather suggests internal pressure buildup from worn gear teeth. These failure modes directly impact machine cycle times and require immediate attention.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 2093.099.009 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 4.2 kg (9.26 lbs) |
| Outer Diameter | 142 mm |
| Overall Length | 87 mm |
| Spline Count | 24 internal / 30 external |
| Heat Treatment | Carburized & tempered to HRC 58-62 |
| OEM Reference | ZF T 7229 L series |
Compatibility
This 2093.099.009 component is primarily used in ZF WG180, WG200, and WG210 series power shift transmissions found in wheel loaders, graders, and telehandlers. It also appears in certain T 7229 L transfer case variants for articulated dump trucks. For complete axle rebuilds, pair this part with a 2093209096: DIFFERENTIAL and a 0750117075: TAPER ROLLER BEARING to restore factory clearances. Always verify your transmission serial number against ZF application charts before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109003 | DIFFERENTIAL | Distributes torque between left/right axles |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads on gear shafts |
| 2093209096 | DIFFERENTIAL | Secondary differential for planetary reduction |
| 2093309073 | DIFF.HOUSING | Encloses differential gears and bearings |
| 0631100223 | SPRING PIN | Secures shift fork to selector shaft |
| 0730300820 | THRUST WASHER | Controls end-play in gear stacks |
| 4482360002 | AXLE BEVEL GEAR | Transfers power from pinion to ring gear |
| 2097309085 | DIFFERENTIAL AXLE | Carries differential side gears |
| 5838300811 | THRUST WASHER | Prevents gear-to-housing contact |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Provides final torque split to wheel ends |
Frequently Asked Questions
Q: Can I use this 2093.099.009 part in a ZF WG150 transmission?
A: No. This component is dimensionally specific to WG180, WG200, and WG210 series. Installing it in a WG150 will cause improper gear mesh and rapid failure.
Q: How do I confirm this is the correct part for my machine?
A: Cross-reference your transmission model number (stamped on the housing) with the T 7229 L suffix. The 2093.099.009 is only used in transmissions with that specific suffix code.
Q: What torque specification applies to the retaining nut for this assembly?
A: The factory spec is 280 Nm (207 ft-lbs) with thread locker applied. Always replace the lock washer when reinstalling.
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